Li QIU
丘立
PhD in Electrical Engineering
University of Toronto, 1990

Professor
Department of Electronic and Computer Engineering

Director of HKUST Shenzhen Cyber-Physical Systems Laboratory

Director of HKUST-Zhongshan Joint Innovation Center



(852) 2358 7067
eeqiu@ust.hk
Room 2440
Personal Web

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Google Scholar
rBuC0P4AAAAJ

ORCID
0000-0001-8218-9940

Scopus ID
7201537964




Research Interest Publications Projects Teaching Assignment RPG Supervision Space used




Research Interest

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Automatic control
Control / dynamics
Cyber-physical systems
Smart grids
System and automation



Publications

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All Years 220 2022 0 2021 5 2020 10 2019 6 2018 8 2017 7 2016 184

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2021 5

A Less Conservative Robust Control Method For a Class of Nonpassive Uncertain Systems
International Journal of Robust and Nonlinear Control, October 2021
Akiba, Junpei; Liu, Kang-Zhi; Qiu, Li; Yu, Pan; Koiwa, Kenta; Zanma, Tadanao Article
Finsler geometries on strictly accretive matrices
Linear and Multilinear Algebra, September 2021
Ringh, Per Axel Gustav; Qiu, Li Article
Networked robust stability for LTV systems with simultaneous uncertainties in plant, controller and communication channels
SIAM Journal on Control and Optimization, v. 59, (1), January 2021, p. 1-23
Yu, Tianqiu; Zhao, Di; Qiu, Li Article
New Phase of Phase
Journal of Systems Science and Complexity, v. 34, (5), October 2021, p. 1821-1839
Qiu, Li; Chen, Wei; Wang, Dan Article
Stabilization of cascaded two-port networked systems with simultaneous nonlinear uncertainties
Automatica, v. 123, January 2021, article number 109360
Zhao, Di; Khong, Sei Zhen; Qiu, Li Article

2020 10

Market implementation of multiple-arrival multiple-deadline differentiated energy services
Automatica, v. 116, June 2020, article number 108933
Mo, Yanfang; Chen, Wei; Qiu, Li; Varaiya, Pravin Article
On Spectral Properties of Signed Laplacians with Connections to Eventual Positivity
IEEE Transactions on Automatic Control, v. 66, (5), May 2021, article number 9137633, p. 2177-2190
Chen, Wei; Wang, Dan; Liu, Ji; Chen, Yongxin; Khong, Seizhen; Basar, Tamer; Johansson, Karl H.; Qiu, Li Article
On the phases of a complex matrix
Linear Algebra and its Applications, v. 593, May 2020, p. 152-179
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Qiu, Li Article
Stabilization of Two-Port Networked Systems With Simultaneous Uncertainties in Plant, Controller, and Communication Channels
IEEE Transactions on Automatic Control, v. 65, (3), March 2020, p. 1160-1175
Zhao, Di; Qiu, Li; Gu,Guoxiang Article
Small phase theorem
Encyclopedia of Systems and Control / Baillieul J., Samad T. (eds). London : Springer-Verlag, 2020, 2nd ed.
Chen, Wei; Wang, Dan; Qiu, Li Book chapter
A Nonlinear Small Phase Theorem
21st International Federation of Automatic Control (IFAC) World Congress, Berlin, Germany, 12-17 July 2020
Chen, Chao; Zhao, Di; Chen, Wei; Qiu, Li Conference paper
Controlling a Networked SIS Model via a Single Input over Undirected Graphs
IFAC-PapersOnLine, v. 53, (2), 2020, p. 10981-10986
Wang, Dan; Liu, Ji; Pare, Philip E.; Chen, Wei; Qiu, Li; Beck, Carolyn L.; Basar, Tamer Conference paper
Nonovershooting Regulation of an Under-Sensed and Under-Actuated Linear Inverted Pendulum
16th IEEE International Conference on Control, Automation, Robotics and Vision, ICARCV 2020, 13 December 2020, article number 9305461, p. 784-788
Chen, Chao; Zhao, Di; Qiu, Li Conference paper
Phase Analysis for Discrete-time LTI Multivariable Systems
IFAC-PapersOnLine, v. 53, (2), July 2020, p. 4398-4403
Mao, Xin; Chen, Wei; Qiu, Li Conference paper
Synchronization of Heterogeneous Dynamical Networks via Phase Analysis
IFAC-PapersOnLine, v. 53, (2), July 2020, p. 3013-3018
Wang, Dan; Chen, Wei; Qiu, Li Conference paper

2019 6

Networked stabilization of multi-input systems over shared channels with scheduling/control co-design
Automatica, v. 99, January 2019, p. 188-194
Chen, Wei; Yao, Jing; Qiu, Li Article
Stabilization of MIMO Systems Over Multiple Independent and Memoryless Fading Noisy Channels
IEEE Transactions on Automatic Control, v. 64, (4), April 2019, article number 8409262, p. 1581-1594
Liu, Qinyuan; Chen, Wei; Wang, Zidong; Qiu, Li Article
Robust control in gap metric
Encyclopedia of Systems and Control, 2nd Edition / Baillieul J., Samad T. (eds).. London : Springer-Verlag, 2019, p. 1-7
Qiu, Li; Zhao, Di Book chapter
A convex approach to Frisch-Kalman problem
Proceedings of the IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029746, p. 7154-7158
Zhao, Di; Rantzer, Anders; Qiu, Li Conference paper
Phase analysis of MIMO LTI systems
Proceedings of the IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029653, p. 6062-6067
Chen, Wei; Wang, Dan; Khong, Sei Zhen; Qiu, Li Conference paper
Stabilizability of discrete-time SISO system using MIMO communication
Proceedings of the 58th IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029586, p. 4161-4165
Srazhidinov, Radik; Chen, Wei; Qiu, Li Conference paper

2018 8

A Majorization Condition for Multi-input Networked Stabilization via Coding/Control Codesign
SIAM Journal on Control and Optimization, v. 56 , (5), 2018, p. 3129-3148
Chen, Wei; Wang, Songbai; Qiu, Li Article
Existence of A Mean-square Stabilizing Solution to A Modified Algebraic Riccati Equation
SIAM Journal on Control and Optimization, v. 56, (1), January 2018, p. 367-387
Zheng, Jianying; Qiu, Li Article
Robust Control Against Uncertainty Quartet: A Polynomial Approach
Uncertainty in Complex Networked Systems / Editor: Tamer Bas?ar. Cham, Switzerland : Birkh?user, Cham, 2018, p. 149-178, Part of the Systems & Control: Foundations & Applications book series (SCFA)
Zhao, Di; Chen, Chao; Khong Sei Zhen; Qiu, Li Book chapter
Control of an Under-sensed and Under-actuated Linear Inverted Pendulum
57th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2018, October 2018, article number 8492573, p. 1301-1306
Chen, Chao; Zhao, Di; Qiu, Li Conference paper
Coordinating Flexible Loads via Optimization in the Majorization Order
IEEE Annual Conference on Decision and Control, v. 2018-January, January 2018, p. 3495-3500
Mo, Yanfang; Chen, Wei; Qiu, Li Conference paper
On Spectral Properties of Signed Laplacians for Undirected Graphs
IEEE Annual Conference on Decision and Control, January 2018, p. 1999-2002
Chen, Wei; Wang, Dan; Liu, Ji; Basar, Tamer; Qiu, Li Conference paper
Stability of General Dynamical Networks via Majorization of Phases
The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTN 2018), Hong Kong University of Science and Technology, 16-20 July 2018
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Qiu, Li Conference paper
Staircase Pattern Constrained Zero-One Matrix Completion with Uncertainties and Its Applications
The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTN 2018), Hong Kong University of Science and Technology, 16-20 July 2018
Mo, Yanfang; Chen, Wei; Qiu, Li Conference paper

2017 7

Distributed Algorithms for Computation of Centrality Measures in Complex Networks
IEEE Transactions on Automatic Control, v. 62, (5), May 2017, article number 7556265, p. 2080-2094
You, Keyou; Tempo, Roberto; Qiu, Li Article
Flocking of the Cucker-Smale Model on General Digraphs
IEEE Transactions on Automatic Control, v. 62, (10), October 2017, article number 7752894, p. 5234-5239
Dong, Jiu-Gang; Qiu, Li Article
MAS Consensus and Delay Limits Under Delayed Output Feedback
IEEE Transactions on Automatic Control, v. 62, (9), September 2017, article number 7736104, p. 4660-4666
Qi, Tian; Qiu, Li; Chen, Jie Article
A Dynamical Network Framework With Application to Stability of Power Networks
2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017, v. 2018-January, January 2018, p. 2924-2928
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Liu, Ji; Basar, Tamer; Qiu, Li Conference paper
Differentiated Energy Services: Multiple Arrival Times and Multiple Deadlines
IFAC-PapersOnLine, v. 50, (1), July 2017, p. 207-212
Mo, Yanfang; Chen, Wei; Qiu, Li Conference paper
Stability of Networked Feedback System with Frequency-wise Bounded Uncertainty Quartets
Asian Control Conference (ASCC), v. 2018-January, February 2018, p. 1980-1983
Zhao, Di; Qiu, Li Conference paper
Stabilization of Cascaded Two-Port Networked Systems Against Nonlinear Perturbations
IEEE Annual Conference on Decision and Control, v. 2018-January, January 2018, p. 1042-1045
Zhao, Di; Khong, Sei Zhen; Qiu, Li Conference paper

2016 11

Constrained (0,1)-Matrix Completion with a Staircase of Fixed Zeros
Linear Algebra and Its Applications, v. 510, December 2016, p. 171-185
Chen, Wei; Mo, Yanfang; Qiu, Li; Varaiya, Pravin P. Article
Linear Quadratic Optimal Control of Continuous-Time LTI Systems With Random Input Gains
IEEE Transactions on Automatic Control, v. 61, (7), July 2016, article number 7279084, p. 2008-2013
Chen, Wei; Qiu, Li Article
Characterizing the Positive Semidefiniteness of Signed Laplacians via Effective Resistances
2016 IEEE 55th Conference on Decision and Control (CDC 2016), December 2016, article number 7798396, p. 985-990
Chen, Wei; Liu, Ji; Chen, Yongxin; Khong, Sei Zhen; Wang, Dan; Basar, Tamer; Qiu, Li; Johansson, Karl Conference paper
Duration-Deadline Jointly Differentiated Energy Services
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403358, p. 7220-7225
Chen, Wei; Qiu, Li; Varaiya, Pravin P. Conference paper
Duration-Differentiated Energy Services with Peer-to-Peer Charging
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799430, p. 7514-7519
Chen, Wei; Qiu, Li; Mo, Yanfang Conference paper
Multi-Leader Selection in Complex Networks
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798518, p. 1751-1756
Wang, Dan; Chen, Wei; Qiu, Li Conference paper
Networked Robust Stabilization with Simultaneous Uncertainties in Plant, Controller and Communication Channels
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798618, p. 2376-2381
Zhao, Di; Qiu, Li Conference paper
On Semidefiniteness of Signed Laplacians with Application to Microgrids
IFAC-PapersOnLine, v. 49, (22), November 2016, p. 97-102
Chen, Wei; Wang, Dan; Liu, Ji; Basar, Tamer; Johansson, Karl; Qiu, Li Conference paper
Output Consensus Control for Multi-Agent Systems in the Presence of Gap Metric Uncertainties
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403094, p. 5581-5586
Alvergue, Luis D.; Gu, Guoxiang; Qiu, Li Conference paper
Projected Spectrahedral Cone-Invariant Realization of an LTI System With Nonnegative Impulse Response
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799287, p. 6613-6618
Zheng, Jianying; Zhang, Yanqiong; Qiu, Li Conference paper
Randomized Incremental Algorithms for the PageRank Computation
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7402238, p. 431-436
You, Keyou; Tempo, Roberto; Qiu, Li Conference paper

2015 7

Measure of Instability
Journal of Control & Decision, v. 2, (2), April 2015, p. 87-98
Qiu, Li Article
Networked stabilization for multi-input systems over quantized fading channels
Automatica, v. 61, November 2015, p. 1-8
Gu, Guoxiang; Wan, Shuang; Qiu, Li Article
A Majorization Condition for MIMO Stabilizability via MIMO Transceivers with Pure Fading Subchannels
Proceedings of the 34th Chinese Control Conference, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 6800-6804
Chen, Wei; Wang, Songbai; Qiu, Li Conference paper
Cucker-Smale Flocking under General Interaction Topologies
IFAC-PapersOnLine, v. 48, (11), 2015, p. 540-544
Dong, Jiugang; Qiu, Li Conference paper
Feasible Channel Capacity Region for MIMO Stabilization via MIMO Communication
Proceedings of the IEEE Conference on Decision and Control, February 2016, article number 7402581, p. 2483-2488
Wang, Songbai; Chen, Wei; Qiu, Li Conference paper
Feedback Stabilization of Networked Systems over Fading Channels with Resource Allocation
IFAC-PapersOnLine, v. 48, (14), 2015, p. 363-367
Liu, Qinyuan; Chen, Wei; Qiu, Li; Wang, Zidong Conference paper
MIMO Control Using MIMO Communication: A Majorization Condition for Networked Stabilizability
Proceedings of the American Control Conference, v. 2015-July, July 2015, article number 7171060, p. 2205-2210
Chen, Wei; Wang, Songbai; Qiu, Li Conference paper

2014 8

Networked control systems for multi-input plants based on polar logarithmic quantization
Systems and Control Letters, v. 69, (1), 2014, p. 16-22
Gu, Guoxiang; Qiu, Li Article
Partial-Information State-Based Optimization of Partially Observable Markov Decision Processes and the Separation Principle
IEEE Transactions on Automatic Control, v. 59, (4), 2014, article number 6725632, p. 921-936
Cao, Xi-Ren; Wang, De-Xin; Qiu, Li Article
Robust control in gap metric
Encyclopedia of Systems and Control / Baillieul J., Samad T. (eds). London : Springer, 2014, p. 1-7
Qiu, Li Book chapter
Networked Stabilization of Sampled-data Systems over Quantized Fading Channels
2014 11th World Congress on Intelligent Control and Automation (WCICA 2014), Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 198-203
Wan, Shuang; Qiu, Li Conference paper
On the Existence of a Mean-Square Stabilizing Solution to a Continuous-Time Modified Algebraic Riccati Equation
The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, The Netherlands, 7-11 July 2014
Zheng, Jianying; Qiu, Li Conference paper
On the Existence of a Mean-square Stabilizing Solution to a Modified Algebraic Riccati Equation
IFAC Proceedings Volumes (IFAC-PapersOnline), v. 19, 2014, p. 6988-6993
Zheng, Jianying; Qiu, Li Conference paper
Randomized Incremental Least Squares for Distributed Estimation Over Sensor Networks
IFAC Proceedings Volumes, v. 19, 2014, p. 7424-7429
You, Keyou; Qiu, Li; Song, Shiji Conference paper
Topological Constraints on Consensus via Delayed Output Feedback over Directed Graph
Proceedings of the 33rd Chinese Control Conference, CCC 2014, September 2014, article number 6896827, p. 1360-1365
Tian, Qi; Li, Qiu; Jie, Chen Conference paper

2013 13

Preclassical Tools for Postmodern Control
IEEE Control Systems, v. 33, (4), 2013, p. 26-38
Qiu, Li; Zhou, Kemin Article
Stabilization of Networked Control Systems with Multirate Sampling
Automatica, v. 49, (6), June 2013, p. 1528-1537
Chen, Wei; Qiu, Li Article
Stabilization of Networked Multi-input Systems With Channel Resource Allocation
IEEE Transactions on Automatic Control, v. 58, (3), 2013, article number 6298000, p. 554-568
Qiu, Li; Gu, Guoxiang; Chen, Wei Article
A Channel/Controller Co-design Approach for Infinite-horizon LQR Problem with Random Input Gains
2013 IEEE International Conference on Information and Automation, ICIA 2013, 2013, article number 6720411, p. 844-849
Chen, Wei; Qiu, Li Conference paper
A Mixed Deterministic and Stochastic Small Gain Theorem and its Application to Networked Stabilization
2013 IEEE 52nd Annual Conference on Decision and Control (CDC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 6385-6390
Wan, Shuang; Qiu, Li Conference paper
Consensus Over Directed Graph: Output Feedback and Topological Constraints
2013 9th Asian Control Conference (ASCC), 2013, article number 6606016
Qi, Tian; Qiu, Li; Chen, Jie Conference paper
Continuous-time Indefinite Linear Quadratic Optimal Control with Random Input Gains
2013 European Control Conference (ECC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 2392-2397
Chen, Wei; Qiu, Li Conference paper
Infinite-horizon Linear Quadratic Optimal Control for Discrete-time LTI Systems with Random Input Gains
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers ( IEEE ), 2013, p. 1195-1200
Zheng, Jianying; Qiu, Li Conference paper
Modeling Quantized Fading Channels as Uncertainty: A Quasi-signal-to-noise- Ratio Approach
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6760720, p. 5282-5287
Chen, Xiang; Gu, Guoxiang; Qiu, Li; Feng, Yu Conference paper
Multi-Agent Consensus under Delayed Feedback: Fundamental Constraint on Graph and Fundamental Bound on Delay
Proceedings of the American Control Conference, 2013, article number 6579959, p. 952-957
Qi, Tian; Qiu, Li; Chen, Jie Conference paper
Networked Feedback Stabilization over Quantized Fading Channels
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 765-770
Wan, Shuang; Gu, Guoxiang; Qiu, Li Conference paper
Networked Stabilization with Polar Logarithmic Quantization
IEEE International Conference on Control and Automation, ICCA, 2013, article number 6564871, p. 330-335
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Networked Multi-input Systems Over a Shared Bus With Scheduling/control Co-design
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6761037, p. 7235-7240
Chen, Wei; Yao, Ling; Qiu, Li Conference paper

2012 9

Feedback Stabilization of Discrete-Time Networked Systems Over Fading Channels
IEEE Transactions on Automatic Control, v. 57, (9), 2012, Sept, p. 2176-2189
Xiao, Nan; Xie, Lihua; Qiu, Li Article
Stabilization of multi-input networked control systems over additive white Gaussian noise channels
Developments in Control Theory Towards Glocal Control / Qiu Li, Chen Jie, Iwasaki Tetsuya, Fujioka Hisaya. London, UK : Institution of Engineering and Technology, 2012, p. 157-171, Chapter 16
Chen, Wei; Gu, Guoxiang; Qiu, Li Book chapter
Linear Quadratic Optimal Control for Discrete-time Lti Systems With Random Input Gains
Chinese Control Conference, CCC, 2012, article number 6390958, p. 5803-5808
Zheng, Jianying; Chen, Wei; Shi, Ling; Qiu, Li Conference paper
Linear Quadratic Optimal Control of Continuous-time LTI Systems with Random Input Gains
Proceeding of the IEEE International Conference on Information and Automation, 2012, article number 6246813, p. 241-246
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
LQG Control of LTI Systems With Random Input and Output Gains
Proceedings of the IEEE Conference on Decision and Control, 2012, article number 64266528, p. 3298-3304
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
LQR Problem of Continuous-time LTI Systems with Random Gains
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
Networked Feedback Control over Fading Channels and the Relation to H-2 Control
2012 IEEE International Conference on Information and Automation, ICIA 2012, Shenyang, China, 2012, p.247-252
Gu, Guoxiang; Qiu, Li Conference paper
Networked State Estimation of MIMO Systems
2012 12TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS & VISION (ICARCV), 2012, p. 424-429
Rong, Baoyue; Shi, Ling; Qiu, Li Conference paper
State estimation over packet-dropping channels
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Rong, Baoyue; Shi, Ling; Qiu, Li Conference paper

2011 4

Completion-of-squares: Revisited and extended
Systems & control letters, v. 60, (10), October 2011, p. 840-844
Wang, De-Xin; Cao, Xi-Ren; Qiu, Li Article
A two-port approach to networked feedback stabilization
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2011, p. 2387-2392
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Multirate Networked Control Systems
Proceedings of the IEEE Conference on Decision and Control, 2011, article number 6160504, p. 5274-5280
Chen, Wei; Qiu, Li Conference paper
Stabilization of Networked Multi-input Systems Over AWGN Channels With Channel Resource Allocation
IEEE International Conference on Control and Automation, ICCA, 2011, article number 6138032, p. 680-685
Chen, Wei; Qiu, Li; Gu, Guoxiang Conference paper

2010 3

FROM SUBADDITIVE INEQUALITIES OF SINGULAR VALUES TO TRIANGLE INEQUALITIES OF CANONICAL ANGLES
SIAM journal on matrix analysis and applications, v. 31, (4), 2010, p. 1606-1620
Zhang, Yanxia; Qiu, Li Article
Introduction to Feedback Control
Introduction to Feedback Control / Li Qiu, Kemin Zhou. Upper Saddle River, N.J.: Prentice-Hall, 2010
Qiu, Li; Zhou, Kemin Book
Quantify the unstable
the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010), Budapest, Hungary, July 2010
Qiu, Li Conference paper

2009 7

An Average Performance Limit of MIMO Systems in Tracking Multi-Sinusoids With Partial Signal Information
IEEE transactions on automatic control, v. 54, (8), 2009, AUG, p. 2001-2006
Su, Weizhou; Qiu, Li; Chen, Jie Article
Reconstruction of continuous-time systems from their non-uniformly sampled discrete-time systems
Automatica, v. 45, (2), 2009, FEB, p. 324-332
Ding, Feng; Qiu, Li; Chen, Tongwen Article
A Polynomial Solution to an H(infinity) Robust Stabilization Problem
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 642-647
Liang, Yu; Qiu, Li Conference paper
Mean square stabilization of multi-input systems over stochastic multiplicative channels
Proceedings of the IEEE Conference on Decision and Control, 2009, p. 6893-6898
Xiao, N.; Xie, L.; Qiu, L. Conference paper
Robust Stabilization of Multiplicative/Relative Uncertain Systems and Networked Feedback Control
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 69-74
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Networked Control Systems with Finite Data Rate
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 1067-1072
Wan, Shuang; Qiu, Li Conference paper
State Estimation Over a Network: Packet-dropping Analysis and Design
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 86-91
Shi, Ling; Qiu, Li Conference paper

2008 5

Best Achievable Tracking Performance in Sampled-Data Systems via LTI Controllers
IEEE transactions on automatic control, v. 53, (11), 2008, DEC, p. 2467-2479
Chen, Jie; Hara, Shinji; Qiu, Li; Middleton, Richard H. Article
An adaptive sinusoidal disturbance rejection controller for single-input-single-output systems
17th IFAC World Congress, Seoul, Korea
Gan, W.C.; Qiu, Li Conference paper
Networked stabilization of multi-input systems with channel resource allocation
17th IFAC World Congress, Seoul, Korea
Gu, G.; Qiu, Li Conference paper
Stabilization of Networked Multi-Input Systems with Channel Resource Allocation
2008 10TH INTERNATIONAL CONFERENCE ON CONTROL AUTOMATION ROBOTICS & VISION: ICARV 2008, VOLS 1-4, 2008, p. 59-63
Gu, Guoxiang; Qiu, Li Conference paper
Tracking performance limitations in a linear feedback system with remote sensors
17th IFAC World Congress, Seoul, Korea
Su, Weizhou; Petersen, I.R.; Qiu, Li Conference paper

2007 6

Fundamental limit of discrete-time systems in tracking multi-tone sinusoidal signals
Automatica, v. 43, (1), 2007, JAN, p. 15-30
Su, Weizhou; Qiu, Li; Chen, Jie Article
On the angular metrics between linear subspaces
Linear algebra and its applications, v. 421, (1), 2007, FEB 1, p. 163-170
Zhang, Yanxia; Qiu, Li Article
On the span of Hadamard products of vectors
Linear algebra and its applications, v. 422, (1), 2007, APR 1, p. 304-307
Qiu, Li; Zhan, Xingzhi Article
A gain scheduled controller for sinusoidal ripple elimination of AC PM motor systems
2007 Mediterranean Conference on Control and Automation, MED, 2007
Wang, J.; Gan, W.C.; Qiu, L. Conference paper
A LQG control problem with degree and robustness constraints
2006 Chinese Control Conference Proceedings, CCC 2006, 2007, p. 2194-2199
Yu, N.; Qiu, L. Conference paper
An H_infinity approach to robust adaptive control
Proceedings of the 46th IEEE Confrenence on Decision and Control, 903-908
Gu, Guoxiang; Qiu, Li Conference paper

2006 5

Bias compensation based recursive least-squares identification algorithm for MISO systems
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 53, (5), 2006, MAY, p. 349-353
Ding, F.; Chen, TW; Qiu, L. Article
On performance limitation in tracking a sinusoid
IEEE transactions on automatic control, v. 51, (8), 2006, AUG, p. 1320-1325
Su, Weizhou; Qiu, Li; Chen, Jie Article
A mixed H₂/H_∞ control problem with controller degree constraint
Proceedings of the IEEE Conference on Decision and Control, 2006, p. 5365-5370
Yu, N.; Qiu, L. Conference paper
An average performance limit of MIMO systems in tracking
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2006, p. 743-747
Su, W.; Qiu, L.; Chen, J. Conference paper
On the angular metrics between linear subspaces
17th International Symposium on Mathematical Theory of Networks and Systems, July 24-28, 2006
Zhang, Yanxia; Qiu, Li Conference paper

2005 6

Multirate periodic systems and constrained analytic function interpolation problems
SIAM journal on control and optimization, v. 43, (6), 2005, p. 1972-1986
Chai, L.; Qiu, L. Article
Unitarily invariant metrics on the Grassmann space
SIAM journal on matrix analysis and applications, v. 27, (2), 2005, p. 507-531
Qiu, L.; Zhang, YX; Li, K. Article
Near optimal H-infinity tracking for a compact set of plants
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 7888-7893
Miller, Daniel E.; Qiu, Li Conference paper
On performance limitation in tracking sinusoids
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 6204-6209
Su, Weizhou; Qiu, Li; Chen, Jie Conference paper
Performance limitation of a linear system in tracking sinusoidal signals
Proceedings of the 5th International Conference on Control and Automation, ICCA'05, 2005, p. 564-569
Su, W.; Qiu, L.; Chen, J. Conference paper
Tracking performance limitations under disturbance or uncertainty
I6th IFAC World Congress 2005, Prague, 3-8 July 2005
Su, Weizhou; Qiu, Li; Petersen, I.R. Conference paper

2004 7

Torque and velocity ripple elimination of AC permanent magnet motor control systems using the internal model principle
Ieee-asme TRANSACTIONS on Mechatronics, v. 9, (2), 2004, JUN, p. 436-447
Gan, WC; Qiu, L. Article
Unitary dilation approach to contractive matrix completion
Linear algebra and its applications, v. 379, (Sp. Iss. SI), 2004, MAR 1, p. 345-352
Qiu, L.; Chen, TW Article
A gain scheduled robust regulator for torque ripple elimination of AC permanent magnet motor systems
Proceedings of the IEEE International Conference on Control Applications, v. 1, 2004, p. 284-289
Gan, W.C.; Qiu, L. Conference paper
Performance limitation in random sinusoidal signal estimation
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2004, p. 172-176
Su, W.; Zheng, W.X.; Qiu, L. Conference paper
Robust stabilization using jury table
Proceedings of the SICE Annual Conference, 2004, p. 1041-1046
Zhao, X.; Qiu, L. Conference paper
Solutions to Nehari and Hankel approximation problems using orthonormal rational functions
Proceedings of the American Control Conference, v. 1, 2004, p. 102-107
Zhao, X.; Qiu, L. Conference paper
The renaissance of Routh
Proceedings of the SICE Annual Conference, 2004, p. 467-469
Qiu, L. Conference paper

2003 10

Blind MIMO channel identification from second order statistics using rank deficient channel convolution matrix
IEEE transactions on signal processing, v. 51, (2), 2003, FEB, p. 535-544
Ding, Z.; Qiu, L. Article
Design and analysis of a plug-in robust compensator: An application to indirect-field-oriented-control induction machine drives
IEEE transactions on industrial electronics, v. 50, (2), 2003, APR, p. 272-282
Gan, WC; Qiu, L. Article
Fundamental performance limitations in tracking sinusoidal signals
IEEE transactions on automatic control, v. 48, (8), 2003, AUG, p. 1371-1380
Su, WZ; Qiu, L.; Chen, J. Article
Position control of linear switched reluctance motors for high-precision applications
IEEE transactions on industry applications, v. 39, (5), 2003, SEP-OCT, p. 1350-1362
Gan, WC; Cheung, NC; Qiu, L. Article
What can Routh table offer in addition to stability
Journal of Control Theory and Applications, vol 1, pp.9-16
Qiu, Li Article
Fundamental performance limitations in tracking sinusoidal signals
Proceedings of the American Control Conference, 2003, p. 5335-5340
Su, WZ; Qiu, L.; Chen, J. Conference paper
Orthonormal Rational Functions via the Jury Table and Their Applications
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 5265-5270
Zhao, X.; Qiu, L. Conference paper
Performance Limitations of Discrete-Time Systems in Tracking Sinusoidal Signals
Proceedings of the American Control Conference, v. 1, 2003, p. 423-428
Su, W.; Qiu, L.; Chen, J. Conference paper
Pre-Classical Tools for Post-Modern Control
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 4945-4950
Qiu, L.; Zhou, K. Conference paper
What can Routh table offer in addition to stability
4th IFAC Symposium on Robust Control Design, IFAC, Milan, Italy
Qiu, L. Conference paper

2002 9

An explicit description of null controllable regions of linear systems with saturating actuators
Systems & control letters, v. 47, (1), 2002, SEP 16, p. 65-78
Hu, TS; Lin, ZL; Qiu, L. Article
Fundamental Performance Limitations in Estimation Problems
Communications in Information and Systems, Vol. 2, No. 4, pp. 371-384
Qiu, L.; Ren, Zhiyuan; Chen, Jie Article
Model validation of multirate systems from time-domain experimental data
IEEE transactions on automatic control, v. 47, (2), 2002, FEB, p. 346-351
Chai, L.; Qiu, L. Article
Optimal symmetric H-2 controllers for systems with collocated sensors and actuators
IEEE transactions on automatic control, v. 47, (12), 2002, DEC, p. 2121-2125
Yang, GH; Qiu, L. Article
Tracking performance limitations in LTI multivariable discrete-time systems
IEEE TRANSACTIONS on Circuits and SYSTEMS i-regular Papers, v. 49, (5), 2002, MAY, p. 657-670
Toker, O.; Chen, J.; Qiu, L. Article
A plug-in robust compensator for indirect field-oriented control induction machine drives
15th IFAC World Congress, IFAC, Barcelona, Spain
Gan, W.C.; Qiu, L. Conference paper
Multirate periodic systems, v-gap metric and robust stabilization
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2002, p. 3718-3723
Chai, L.; Qiu, Li Conference paper
Multirate periodic systems, v-gap metric and robust stabilization
4th Asian Control Conference, ASCC, Singapore, pp. 1951-1956
Chai, L.; Qiu, Li Conference paper
Uncertainty equivalence principle and H_∞-based robust adaptive control: Stable plants
Proceedings of the IEEE Conference on Decision and Control, v. 3, 2002, p. 3055-3060
Gu, G.; Qiu, L. Conference paper

2001 9

A state space solution to the robust stabilization problem of discrete-time multirate and periodic systems
Dynamics OF continuous DISCRETE and IMPULSIVE systems-series b-applications & Algorithms, v. 8, (4), 2001, DEC, p. 501-515
Tan, K.; Chai, L.; Qiu, L. Article
Multirate systems and related interpolation problems
Lecture notes in control and information sciences, v. 268, 2001, p. 29-40
Chai, L.; Qiu, L. Article
Optimal tracking performance: Preview control and exponential signals
IEEE transactions on automatic control, v. 46, (10), 2001, OCT, p. 1647-1653
Chen, J.; Ren, Z.; Hara, S.; Qiu, L. Article
Stabilization of exponentially unstable linear systems with saturating actuators
IEEE transactions on automatic control, v. 46, (6), 2001, JUN, p. 973-979
Hu, TS; Lin, ZL; Qiu, L. Article
Extended argument principle and integral design constraints, Part II: new integral relations
Proc. 40th IEEE Conf. on Decision and Control, IEEE, Orlando, USA, December
Chen, G.; Chen, J.; Qiu, Li Conference paper
Optimal symmetric H2 controllers for systems with collocated sensors and actuators
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 2001, p. 3093-3098
Yang, G.H.; Qiu, L. Conference paper
Postmodern control, classical language
The 3rd IEEE Int'l conference on Control Theory & Application, December, Pretoria, South Africa, 187-191
Qiu, Li Conference paper
Robust stabilization of periodic and multirate systems with gap and v-gap uncertainty
Preprints of the IFAC Workshop on Periodic Control Systems, IFAC, Cernobbio-Como, Italy, August, 109-114
Tan, K.; Chai, Li; Qiu, Li Conference paper
Short distance position control for linear switched reluctance motors: A plug-in robust compensator approach
Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), v. 4, 2001, p. 2329-2336
Gan, W.C.; Cheung, N.C.; Qiu, L. Conference paper

2000 9

Limitations on maximal tracking accuracy
IEEE transactions on automatic control, v. 45, (2), 2000, FEB, p. 326-331
Chen, J.; Qiu, L.; Toker, O. Article
Extended argument principle and integral design constraints Part I: A unified formula for classical results
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4984-4989
Chen, J.; Chen, G.; Ren, Z.; Qiu, L. Conference paper
Model validation of multirate systems from time-domain experimental data
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 4, 2000, p. 2835-2840
Chai, L.; Qiu, L. Conference paper
Optimal tracking performance: Preview control and exponential signals
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 2, 2000, p. 1924-1929
Ren, Z.; Chen, J.; Hara, S.; Qiu, L. Conference paper
Properties of matrix polynomials and mimo channel identifiability from second order statistics
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4302-4307
Ding, Z.; Qiu, L. Conference paper
Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors
IEEE Conference on Control Applications - Proceedings, v. 1, 2000, p. 156-161
Gan, Wai-Chuen; Qiu, Li Conference paper
Stabilization of linear systems with input constraints
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2000, p. 3272-3277
Qiu, L.; Miller, D.E. Conference paper
Topics on multirate systems: Frequency response, interpolation, model validation
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2000, p. 4290-4295
Chai, L.; Qiu, L. Conference paper
Velocity Ripple Elimination of AC Permanent Motor by Using Internal Model Principle
Proceedings - IPEMC 2000: 3rd International Power Electronics and Motion Control Conference, v. 1, 2000, Article number 885427, p. 346-352
Gan, Waichuen; Qiu, Li Conference paper

1999 4

Multirate sampled-data systems: All H-infinity suboptimal controllers and the minimum entropy controller
IEEE transactions on automatic control, v. 44, (3), 1999, MAR, p. 537-550
Qiu, L.; Chen, TW Article
On performance limitations in estimation
Lecture notes in control and information sciences, v. 245, 1999, p. 147-158
Ren, ZY; Qiu, L.; Chen, J. Article
Time domain characterizations of performance limitations of feedback control
Lecture notes in control and information sciences, v. 241, 1999, p. 397-415
Qiu, L.; Chen, J. Article
Performance limitations in estimation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1999, p. 3204-3209
Ren, Zhiyuan; Qiu, Li; Chen, Jie Conference paper

1998 8

Connection of multiplicative/relative perturbation in coprime factors and gap metric uncertainty
Automatica, v. 34, (5), 1998, MAY, p. 603-607
Gu, GX; Qiu, L. Article
Controllable regions of linear systems with bounded inputs
Systems & control letters, v. 33, (1), 1998, JAN 29, p. 55-61
Hu, TS; Qiu, L. Article
Direct state space solution of multirate sampled-data H-2 optimal control
Automatica, v. 34, (11), 1998, NOV, p. 1431-1437
Qiu, L.; Tan, K. Article
General multirate building structures with application to nonuniform filter banks
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 45, (8), 1998, AUG, p. 948-958
Chen, T.; Qiu, L.; Bai, EW Article
On structured perturbation of Hermitian matrices
Linear algebra and its applications, v. 276, 1998, MAY 15, p. 287-314
Hu, TS; Qiu, L. Article
Real perturbation values and real quadratic forms in a complex vector space
Linear algebra and its applications, v. 270, 1998, FEB, p. 131-154
Bernhardsson, B.; Rantzer, A.; Qiu, L. Article
Stabilization of LTI systems with planar anti-stable dynamics using saturated linear feedback
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1998, p. 389-394
Hu, Tingshu; Qiu, Li; Lin, Zongli Article
Unfalsified weighted least squares estimates in set-membership identification
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, v. 45, (1), 1998, p. 41-49
Bai, EW; Qiu, L.; Tempo, R. Article

1997 4

Linear periodically time-varying discrete-time systems: Aliasing and LTI approximations
Systems & control letters, v. 30, (5), 1997, JUN, p. 225-235
Chen, TW; Qiu, L. Article
Controllability and stabilization of unstable LTI systems with input saturation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 1997, p. 4498-4503
Hu, Tingshu; Qiu, Li; Lin, Zongli Conference paper
General multirate building blocks and their application in nonuniform filter banks
Proceedings - IEEE International Symposium on Circuits and Systems, v. 4, 1997, p. 2349-2352
Chen, Tongwen; Qiu, Li; Bai, Erwei Conference paper
Unfalsified weighted least squares estimates in set-membership identification
Proceedings of the American Control Conference, v. 3, 1997, p. 1519-1523
Bai, Er-Wei; Qiu, Li; Tempo, Roberto Conference paper

1996 4

A single sample path-based performance sensitivity formula for Markov chains
IEEE transactions on automatic control, v. 41, (12), 1996, DEC, p. 1814-1817
Cao, XR; Yuan, XM; Qiu, L. Article
On the robustness of symmetric systems
Systems & control letters, v. 27, (3), 1996, MAR 18, p. 187-190
Qiu, L. Article
Complex and real performance radii and their computation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1851-1856
Hu, TS; Qiu, L. Conference paper
Development of MATLAB tools and case study for multirate control design
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1278-1283
Qiu, L.; Chen, TW; Potvin, A.; Gu, J.; Tan, K.; Sun, Y.; Shu, H. Conference paper

1995 7

A FORMULA FOR COMPUTATION OF THE REAL STABILITY RADIUS
Automatica, v. 31, (6), 1995, JUN, p. 879-890
QIU, L.; BERNHARDSSON, B.; RANTZER, A.; DAVISON, EJ; YOUNG, PM; DOYLE, JC Article
On the computation of the real Hurwitz-stability radius
IEEE transactions on automatic control, v. 40, (8), 1995, p. 1475-1476
Qiu, Li; Tits, Andre L.; Yang, Yaguang Article
Nest algebras, causality constraints, and multirate robust control
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.1-20
Chen, T.; Qiu, Li Book chapter
Robust stability of circuits with multiple uncertain parameters
The Circuits and Filters Handbook, W.-K. Chen, editor-in-chief / Boca Raton, Florida: CRC Press, 1995, p.1363-1371
Qiu, Li Book chapter
Robust stabilization for lp gap perturbations
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.55-80
Qiu, Li; Miller, D.E. Book chapter
On the robustness of symmetric systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1995, p. 2659-2660
Qiu, Li Conference paper
Robust control for `p gap perturbations
1995 European Control Conf., 1995, p.1020-1025
Qiu, Li Conference paper

1994 5

_H∞ design of general multirate sampled-data control systems
Automatica, v. 30, (7), 1994, p. 1139-1152
Chen, T.; Qiu, L. Article
H2-optimal design of multirate sampled-data systems
IEEE transactions on automatic control, v. 39, (12), 1994, p. 2506-2511
Qiu, Li; Chen, Tongwen Article
A necessary and sufficient condition for the robust stability of feedback systems with lp gap uncertainty
1994 Hong Kong International Workshop on New Directions of Control and Manufacturing, 1994, p.178-184
Qiu, Li Conference paper
Multirate sampled-data systems: all H_∞ suboptimal controllers and the minimum entropy controller
Proceedings of the IEEE Conference on Decision and Control, v. 4, 1994, p. 3707-3712
Qiu, Li; Chen, Tongwen Conference paper
On characterizing all multirate controllers that satisfy an H8 norm bound
First Asian Control Conf., 1994, vol.3, p.69-72
Qiu, Li; Chen, T. Conference paper

1993 4

Performance limitations of non-minimum phase systems in the servomechanism problem
Automatica, v. 29, (2), 1993, p. 337-349
Qiu, L.; Davison, E.J. Article
H2 and H∞ designs of multirate sampled-data systems
American Control Conference, 1993, p. 435-440
Qiu, Li; Chen, Tongwen Conference paper
H∞ design of general multirate sampled-data control systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1993, p. 315-320
Chen, Tongwen; Qiu, Li Conference paper
On the real structured stability radius
Reprints of the 12th IFAC World Congress, 1993, vol.8, p.71-78
Qiu, Li; Bernhardsson, B.; Rantzer, A.; Davison, E.J.; Young, P.M.; Doyle, J.C. Conference paper

1992 7

A unified approach for the stability robustness of polynomials in a convex set
Automatica, v. 28, (5), 1992, p. 945-959
Qiu, L.; Davison, E.J. Article
Feedback stability under simultaneous gap metric uncertainties in plant and controller
Systems & Control Letters, v.18, 1992, p.9-22
Qiu, Li; Davison, E.J. Article
Pointwise gap metrics on transfer matrices
IEEE Transactions on Automatic Control, v.37, 1992, p.741-758
Qiu, Li; Davison, E.J. Article
The stability robustness of generalized eigenvalues
IEEE transactions on automatic control, v. 37, (6), 1992, p. 886-891
Qiu, L.; Davison, E.J. Article
Bounds on the real stability radius
Robustness of Dynamic Systems with Parameter Uncertainties / Edited by M.Mansour, S.Balemi, and W.Tru?ol, Basel, Switzerland: Birkh?auser Verlag, 1992, p.139-145
Qiu, Li; Davison, E.J. Book chapter
Improved bound on the real stability radius
Proceedings of the American Control Conference, v. 1, 1992, p. 588-589
Qiu, L.; Davison, E.J. Conference paper
Robust stability of feedback systems on Banach spaces
31th IEEE Conf. on Decision and Control, 1992, p.382-383
Qiu, Li Conference paper

1991 2

The stability robustness determination of state space models with real unstructured perturbations
Mathematics of Control, Signals, and Systems; MCSS, v. 4, (3), 1991, p. 247-267
Qiu, L.; Davison, E.J. Article
Robust control under simultaneous plant and controller uncertainties
Control of Uncertain Dynamic Systems / Edited by S.P. Bhattacharyya and L.H. Keel, Boca Raton, Florida: CRC Press, 1991, p.281-295
Qiu, Li; Davison, E.J. Book chapter

1990 4

A new method for the stability robustness determination of state space models with real perturbations
Recent Advances in Robust Control / Edited by P. Dorato and R.K. Yedavalli, Piscataway, New Jersey: IEEE Press, 1990, p.125-130
Qiu, Li; Davison, E.J. Book chapter
Performance limitations of non-minimum phase systems
Reprints of the 11th IFAC World Congress, 1990, vol.2, p.322-327
Qiu, Li; Davison, E.J. Conference paper
Pointwise gap metrics on transfer matrices
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1990, p. 2431-2436
Qiu, L.; Davison, E.J. Conference paper
Tensor product methods in stability robustness analysis
Proceedings of the American Control Conference, 1990, p. 2527-2532
Qiu, L.; Davison, E.J. Conference paper

1989 4

A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
Systems & control letters, v. 13, (5), 1989, p. 413-420
Qiu, L.; Davison, E.J. Article
A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
IEEE International Conf. on Systems Engineering, 1989, p.503-507
Qiu, Li; Davison, E.J. Conference paper
Stability robustness of generalized eigenvalues
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1989, p. 1902-1907
Qiu, L.; Davison, E.J. Conference paper
Unified approach for the stability robustness of polynomials in a convex set
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1989, p. 30-36
Qiu, L.; Davison, E.J. Conference paper

1988 2

Computation of the stability robustness of large state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 1380-1385
Qiu, L.; Davison, E.J. Conference paper
New method for the stability robustness determination of state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 538-543
Qiu, L.; Davison, E.J. Conference paper

1986 1

NEW PERTURBATION BOUNDS FOR THE ROBUST STABILITY OF LINEAR STATE SPACE MODELS.
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1986, p. 751-755
Qiu, L.; Davison, E.J. Conference paper


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Article 5

A Less Conservative Robust Control Method For a Class of Nonpassive Uncertain Systems
International Journal of Robust and Nonlinear Control, October 2021
Akiba, Junpei; Liu, Kang-Zhi; Qiu, Li; Yu, Pan; Koiwa, Kenta; Zanma, Tadanao
Finsler geometries on strictly accretive matrices
Linear and Multilinear Algebra, September 2021
Ringh, Per Axel Gustav; Qiu, Li
Networked robust stability for LTV systems with simultaneous uncertainties in plant, controller and communication channels
SIAM Journal on Control and Optimization, v. 59, (1), January 2021, p. 1-23
Yu, Tianqiu; Zhao, Di; Qiu, Li
New Phase of Phase
Journal of Systems Science and Complexity, v. 34, (5), October 2021, p. 1821-1839
Qiu, Li; Chen, Wei; Wang, Dan
Stabilization of cascaded two-port networked systems with simultaneous nonlinear uncertainties
Automatica, v. 123, January 2021, article number 109360
Zhao, Di; Khong, Sei Zhen; Qiu, Li


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Article 4

Market implementation of multiple-arrival multiple-deadline differentiated energy services
Automatica, v. 116, June 2020, article number 108933
Mo, Yanfang; Chen, Wei; Qiu, Li; Varaiya, Pravin
On Spectral Properties of Signed Laplacians with Connections to Eventual Positivity
IEEE Transactions on Automatic Control, v. 66, (5), May 2021, article number 9137633, p. 2177-2190
Chen, Wei; Wang, Dan; Liu, Ji; Chen, Yongxin; Khong, Seizhen; Basar, Tamer; Johansson, Karl H.; Qiu, Li
On the phases of a complex matrix
Linear Algebra and its Applications, v. 593, May 2020, p. 152-179
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Qiu, Li
Stabilization of Two-Port Networked Systems With Simultaneous Uncertainties in Plant, Controller, and Communication Channels
IEEE Transactions on Automatic Control, v. 65, (3), March 2020, p. 1160-1175
Zhao, Di; Qiu, Li; Gu,Guoxiang

Book chapter 1

Small phase theorem
Encyclopedia of Systems and Control / Baillieul J., Samad T. (eds). London : Springer-Verlag, 2020, 2nd ed.
Chen, Wei; Wang, Dan; Qiu, Li

Conference paper 5

A Nonlinear Small Phase Theorem
21st International Federation of Automatic Control (IFAC) World Congress, Berlin, Germany, 12-17 July 2020
Chen, Chao; Zhao, Di; Chen, Wei; Qiu, Li
Controlling a Networked SIS Model via a Single Input over Undirected Graphs
IFAC-PapersOnLine, v. 53, (2), 2020, p. 10981-10986
Wang, Dan; Liu, Ji; Pare, Philip E.; Chen, Wei; Qiu, Li; Beck, Carolyn L.; Basar, Tamer
Nonovershooting Regulation of an Under-Sensed and Under-Actuated Linear Inverted Pendulum
16th IEEE International Conference on Control, Automation, Robotics and Vision, ICARCV 2020, 13 December 2020, article number 9305461, p. 784-788
Chen, Chao; Zhao, Di; Qiu, Li
Phase Analysis for Discrete-time LTI Multivariable Systems
IFAC-PapersOnLine, v. 53, (2), July 2020, p. 4398-4403
Mao, Xin; Chen, Wei; Qiu, Li
Synchronization of Heterogeneous Dynamical Networks via Phase Analysis
IFAC-PapersOnLine, v. 53, (2), July 2020, p. 3013-3018
Wang, Dan; Chen, Wei; Qiu, Li


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Article 2

Networked stabilization of multi-input systems over shared channels with scheduling/control co-design
Automatica, v. 99, January 2019, p. 188-194
Chen, Wei; Yao, Jing; Qiu, Li
Stabilization of MIMO Systems Over Multiple Independent and Memoryless Fading Noisy Channels
IEEE Transactions on Automatic Control, v. 64, (4), April 2019, article number 8409262, p. 1581-1594
Liu, Qinyuan; Chen, Wei; Wang, Zidong; Qiu, Li

Book chapter 1

Robust control in gap metric
Encyclopedia of Systems and Control, 2nd Edition / Baillieul J., Samad T. (eds).. London : Springer-Verlag, 2019, p. 1-7
Qiu, Li; Zhao, Di

Conference paper 3

A convex approach to Frisch-Kalman problem
Proceedings of the IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029746, p. 7154-7158
Zhao, Di; Rantzer, Anders; Qiu, Li
Phase analysis of MIMO LTI systems
Proceedings of the IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029653, p. 6062-6067
Chen, Wei; Wang, Dan; Khong, Sei Zhen; Qiu, Li
Stabilizability of discrete-time SISO system using MIMO communication
Proceedings of the 58th IEEE Conference on Decision and Control, v. 2019-December, December 2019, article number 9029586, p. 4161-4165
Srazhidinov, Radik; Chen, Wei; Qiu, Li


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Article 2

A Majorization Condition for Multi-input Networked Stabilization via Coding/Control Codesign
SIAM Journal on Control and Optimization, v. 56 , (5), 2018, p. 3129-3148
Chen, Wei; Wang, Songbai; Qiu, Li
Existence of A Mean-square Stabilizing Solution to A Modified Algebraic Riccati Equation
SIAM Journal on Control and Optimization, v. 56, (1), January 2018, p. 367-387
Zheng, Jianying; Qiu, Li

Book chapter 1

Robust Control Against Uncertainty Quartet: A Polynomial Approach
Uncertainty in Complex Networked Systems / Editor: Tamer Bas?ar. Cham, Switzerland : Birkh?user, Cham, 2018, p. 149-178, Part of the Systems & Control: Foundations & Applications book series (SCFA)
Zhao, Di; Chen, Chao; Khong Sei Zhen; Qiu, Li

Conference paper 5

Control of an Under-sensed and Under-actuated Linear Inverted Pendulum
57th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2018, October 2018, article number 8492573, p. 1301-1306
Chen, Chao; Zhao, Di; Qiu, Li
Coordinating Flexible Loads via Optimization in the Majorization Order
IEEE Annual Conference on Decision and Control, v. 2018-January, January 2018, p. 3495-3500
Mo, Yanfang; Chen, Wei; Qiu, Li
On Spectral Properties of Signed Laplacians for Undirected Graphs
IEEE Annual Conference on Decision and Control, January 2018, p. 1999-2002
Chen, Wei; Wang, Dan; Liu, Ji; Basar, Tamer; Qiu, Li
Stability of General Dynamical Networks via Majorization of Phases
The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTN 2018), Hong Kong University of Science and Technology, 16-20 July 2018
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Qiu, Li
Staircase Pattern Constrained Zero-One Matrix Completion with Uncertainties and Its Applications
The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTN 2018), Hong Kong University of Science and Technology, 16-20 July 2018
Mo, Yanfang; Chen, Wei; Qiu, Li


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Article 3

Distributed Algorithms for Computation of Centrality Measures in Complex Networks
IEEE Transactions on Automatic Control, v. 62, (5), May 2017, article number 7556265, p. 2080-2094
You, Keyou; Tempo, Roberto; Qiu, Li
Flocking of the Cucker-Smale Model on General Digraphs
IEEE Transactions on Automatic Control, v. 62, (10), October 2017, article number 7752894, p. 5234-5239
Dong, Jiu-Gang; Qiu, Li
MAS Consensus and Delay Limits Under Delayed Output Feedback
IEEE Transactions on Automatic Control, v. 62, (9), September 2017, article number 7736104, p. 4660-4666
Qi, Tian; Qiu, Li; Chen, Jie

Conference paper 4

A Dynamical Network Framework With Application to Stability of Power Networks
2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017, v. 2018-January, January 2018, p. 2924-2928
Wang, Dan; Chen, Wei; Khong, Sei Zhen; Liu, Ji; Basar, Tamer; Qiu, Li
Differentiated Energy Services: Multiple Arrival Times and Multiple Deadlines
IFAC-PapersOnLine, v. 50, (1), July 2017, p. 207-212
Mo, Yanfang; Chen, Wei; Qiu, Li
Stability of Networked Feedback System with Frequency-wise Bounded Uncertainty Quartets
Asian Control Conference (ASCC), v. 2018-January, February 2018, p. 1980-1983
Zhao, Di; Qiu, Li
Stabilization of Cascaded Two-Port Networked Systems Against Nonlinear Perturbations
IEEE Annual Conference on Decision and Control, v. 2018-January, January 2018, p. 1042-1045
Zhao, Di; Khong, Sei Zhen; Qiu, Li


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Article 2

Constrained (0,1)-Matrix Completion with a Staircase of Fixed Zeros
Linear Algebra and Its Applications, v. 510, December 2016, p. 171-185
Chen, Wei; Mo, Yanfang; Qiu, Li; Varaiya, Pravin P.
Linear Quadratic Optimal Control of Continuous-Time LTI Systems With Random Input Gains
IEEE Transactions on Automatic Control, v. 61, (7), July 2016, article number 7279084, p. 2008-2013
Chen, Wei; Qiu, Li

Conference paper 9

Characterizing the Positive Semidefiniteness of Signed Laplacians via Effective Resistances
2016 IEEE 55th Conference on Decision and Control (CDC 2016), December 2016, article number 7798396, p. 985-990
Chen, Wei; Liu, Ji; Chen, Yongxin; Khong, Sei Zhen; Wang, Dan; Basar, Tamer; Qiu, Li; Johansson, Karl
Duration-Deadline Jointly Differentiated Energy Services
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403358, p. 7220-7225
Chen, Wei; Qiu, Li; Varaiya, Pravin P.
Duration-Differentiated Energy Services with Peer-to-Peer Charging
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799430, p. 7514-7519
Chen, Wei; Qiu, Li; Mo, Yanfang
Multi-Leader Selection in Complex Networks
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798518, p. 1751-1756
Wang, Dan; Chen, Wei; Qiu, Li
Networked Robust Stabilization with Simultaneous Uncertainties in Plant, Controller and Communication Channels
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798618, p. 2376-2381
Zhao, Di; Qiu, Li
On Semidefiniteness of Signed Laplacians with Application to Microgrids
IFAC-PapersOnLine, v. 49, (22), November 2016, p. 97-102
Chen, Wei; Wang, Dan; Liu, Ji; Basar, Tamer; Johansson, Karl; Qiu, Li
Output Consensus Control for Multi-Agent Systems in the Presence of Gap Metric Uncertainties
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403094, p. 5581-5586
Alvergue, Luis D.; Gu, Guoxiang; Qiu, Li
Projected Spectrahedral Cone-Invariant Realization of an LTI System With Nonnegative Impulse Response
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799287, p. 6613-6618
Zheng, Jianying; Zhang, Yanqiong; Qiu, Li
Randomized Incremental Algorithms for the PageRank Computation
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7402238, p. 431-436
You, Keyou; Tempo, Roberto; Qiu, Li


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Article 2

Measure of Instability
Journal of Control & Decision, v. 2, (2), April 2015, p. 87-98
Qiu, Li
Networked stabilization for multi-input systems over quantized fading channels
Automatica, v. 61, November 2015, p. 1-8
Gu, Guoxiang; Wan, Shuang; Qiu, Li

Conference paper 5

A Majorization Condition for MIMO Stabilizability via MIMO Transceivers with Pure Fading Subchannels
Proceedings of the 34th Chinese Control Conference, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 6800-6804
Chen, Wei; Wang, Songbai; Qiu, Li
Cucker-Smale Flocking under General Interaction Topologies
IFAC-PapersOnLine, v. 48, (11), 2015, p. 540-544
Dong, Jiugang; Qiu, Li
Feasible Channel Capacity Region for MIMO Stabilization via MIMO Communication
Proceedings of the IEEE Conference on Decision and Control, February 2016, article number 7402581, p. 2483-2488
Wang, Songbai; Chen, Wei; Qiu, Li
Feedback Stabilization of Networked Systems over Fading Channels with Resource Allocation
IFAC-PapersOnLine, v. 48, (14), 2015, p. 363-367
Liu, Qinyuan; Chen, Wei; Qiu, Li; Wang, Zidong
MIMO Control Using MIMO Communication: A Majorization Condition for Networked Stabilizability
Proceedings of the American Control Conference, v. 2015-July, July 2015, article number 7171060, p. 2205-2210
Chen, Wei; Wang, Songbai; Qiu, Li


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Article 2

Networked control systems for multi-input plants based on polar logarithmic quantization
Systems and Control Letters, v. 69, (1), 2014, p. 16-22
Gu, Guoxiang; Qiu, Li
Partial-Information State-Based Optimization of Partially Observable Markov Decision Processes and the Separation Principle
IEEE Transactions on Automatic Control, v. 59, (4), 2014, article number 6725632, p. 921-936
Cao, Xi-Ren; Wang, De-Xin; Qiu, Li

Book chapter 1

Robust control in gap metric
Encyclopedia of Systems and Control / Baillieul J., Samad T. (eds). London : Springer, 2014, p. 1-7
Qiu, Li

Conference paper 5

Networked Stabilization of Sampled-data Systems over Quantized Fading Channels
2014 11th World Congress on Intelligent Control and Automation (WCICA 2014), Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 198-203
Wan, Shuang; Qiu, Li
On the Existence of a Mean-Square Stabilizing Solution to a Continuous-Time Modified Algebraic Riccati Equation
The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, The Netherlands, 7-11 July 2014
Zheng, Jianying; Qiu, Li
On the Existence of a Mean-square Stabilizing Solution to a Modified Algebraic Riccati Equation
IFAC Proceedings Volumes (IFAC-PapersOnline), v. 19, 2014, p. 6988-6993
Zheng, Jianying; Qiu, Li
Randomized Incremental Least Squares for Distributed Estimation Over Sensor Networks
IFAC Proceedings Volumes, v. 19, 2014, p. 7424-7429
You, Keyou; Qiu, Li; Song, Shiji
Topological Constraints on Consensus via Delayed Output Feedback over Directed Graph
Proceedings of the 33rd Chinese Control Conference, CCC 2014, September 2014, article number 6896827, p. 1360-1365
Tian, Qi; Li, Qiu; Jie, Chen


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Article 3

Preclassical Tools for Postmodern Control
IEEE Control Systems, v. 33, (4), 2013, p. 26-38
Qiu, Li; Zhou, Kemin
Stabilization of Networked Control Systems with Multirate Sampling
Automatica, v. 49, (6), June 2013, p. 1528-1537
Chen, Wei; Qiu, Li
Stabilization of Networked Multi-input Systems With Channel Resource Allocation
IEEE Transactions on Automatic Control, v. 58, (3), 2013, article number 6298000, p. 554-568
Qiu, Li; Gu, Guoxiang; Chen, Wei

Conference paper 10

A Channel/Controller Co-design Approach for Infinite-horizon LQR Problem with Random Input Gains
2013 IEEE International Conference on Information and Automation, ICIA 2013, 2013, article number 6720411, p. 844-849
Chen, Wei; Qiu, Li
A Mixed Deterministic and Stochastic Small Gain Theorem and its Application to Networked Stabilization
2013 IEEE 52nd Annual Conference on Decision and Control (CDC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 6385-6390
Wan, Shuang; Qiu, Li
Consensus Over Directed Graph: Output Feedback and Topological Constraints
2013 9th Asian Control Conference (ASCC), 2013, article number 6606016
Qi, Tian; Qiu, Li; Chen, Jie
Continuous-time Indefinite Linear Quadratic Optimal Control with Random Input Gains
2013 European Control Conference (ECC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 2392-2397
Chen, Wei; Qiu, Li
Infinite-horizon Linear Quadratic Optimal Control for Discrete-time LTI Systems with Random Input Gains
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers ( IEEE ), 2013, p. 1195-1200
Zheng, Jianying; Qiu, Li
Modeling Quantized Fading Channels as Uncertainty: A Quasi-signal-to-noise- Ratio Approach
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6760720, p. 5282-5287
Chen, Xiang; Gu, Guoxiang; Qiu, Li; Feng, Yu
Multi-Agent Consensus under Delayed Feedback: Fundamental Constraint on Graph and Fundamental Bound on Delay
Proceedings of the American Control Conference, 2013, article number 6579959, p. 952-957
Qi, Tian; Qiu, Li; Chen, Jie
Networked Feedback Stabilization over Quantized Fading Channels
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 765-770
Wan, Shuang; Gu, Guoxiang; Qiu, Li
Networked Stabilization with Polar Logarithmic Quantization
IEEE International Conference on Control and Automation, ICCA, 2013, article number 6564871, p. 330-335
Gu, Guoxiang; Qiu, Li
Stabilization of Networked Multi-input Systems Over a Shared Bus With Scheduling/control Co-design
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6761037, p. 7235-7240
Chen, Wei; Yao, Ling; Qiu, Li


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Article 1

Feedback Stabilization of Discrete-Time Networked Systems Over Fading Channels
IEEE Transactions on Automatic Control, v. 57, (9), 2012, Sept, p. 2176-2189
Xiao, Nan; Xie, Lihua; Qiu, Li

Book chapter 1

Stabilization of multi-input networked control systems over additive white Gaussian noise channels
Developments in Control Theory Towards Glocal Control / Qiu Li, Chen Jie, Iwasaki Tetsuya, Fujioka Hisaya. London, UK : Institution of Engineering and Technology, 2012, p. 157-171, Chapter 16
Chen, Wei; Gu, Guoxiang; Qiu, Li

Conference paper 7

Linear Quadratic Optimal Control for Discrete-time Lti Systems With Random Input Gains
Chinese Control Conference, CCC, 2012, article number 6390958, p. 5803-5808
Zheng, Jianying; Chen, Wei; Shi, Ling; Qiu, Li
Linear Quadratic Optimal Control of Continuous-time LTI Systems with Random Input Gains
Proceeding of the IEEE International Conference on Information and Automation, 2012, article number 6246813, p. 241-246
Chen, Wei; Zheng, Jianying; Qiu, Li
LQG Control of LTI Systems With Random Input and Output Gains
Proceedings of the IEEE Conference on Decision and Control, 2012, article number 64266528, p. 3298-3304
Chen, Wei; Zheng, Jianying; Qiu, Li
LQR Problem of Continuous-time LTI Systems with Random Gains
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Chen, Wei; Zheng, Jianying; Qiu, Li
Networked Feedback Control over Fading Channels and the Relation to H-2 Control
2012 IEEE International Conference on Information and Automation, ICIA 2012, Shenyang, China, 2012, p.247-252
Gu, Guoxiang; Qiu, Li
Networked State Estimation of MIMO Systems
2012 12TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS & VISION (ICARCV), 2012, p. 424-429
Rong, Baoyue; Shi, Ling; Qiu, Li
State estimation over packet-dropping channels
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Rong, Baoyue; Shi, Ling; Qiu, Li


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Article 1

Completion-of-squares: Revisited and extended
Systems & control letters, v. 60, (10), October 2011, p. 840-844
Wang, De-Xin; Cao, Xi-Ren; Qiu, Li

Conference paper 3

A two-port approach to networked feedback stabilization
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2011, p. 2387-2392
Gu, Guoxiang; Qiu, Li
Stabilization of Multirate Networked Control Systems
Proceedings of the IEEE Conference on Decision and Control, 2011, article number 6160504, p. 5274-5280
Chen, Wei; Qiu, Li
Stabilization of Networked Multi-input Systems Over AWGN Channels With Channel Resource Allocation
IEEE International Conference on Control and Automation, ICCA, 2011, article number 6138032, p. 680-685
Chen, Wei; Qiu, Li; Gu, Guoxiang


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Article 1

FROM SUBADDITIVE INEQUALITIES OF SINGULAR VALUES TO TRIANGLE INEQUALITIES OF CANONICAL ANGLES
SIAM journal on matrix analysis and applications, v. 31, (4), 2010, p. 1606-1620
Zhang, Yanxia; Qiu, Li

Book 1

Introduction to Feedback Control
Introduction to Feedback Control / Li Qiu, Kemin Zhou. Upper Saddle River, N.J.: Prentice-Hall, 2010
Qiu, Li; Zhou, Kemin

Conference paper 1

Quantify the unstable
the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010), Budapest, Hungary, July 2010
Qiu, Li


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Article 2

An Average Performance Limit of MIMO Systems in Tracking Multi-Sinusoids With Partial Signal Information
IEEE transactions on automatic control, v. 54, (8), 2009, AUG, p. 2001-2006
Su, Weizhou; Qiu, Li; Chen, Jie
Reconstruction of continuous-time systems from their non-uniformly sampled discrete-time systems
Automatica, v. 45, (2), 2009, FEB, p. 324-332
Ding, Feng; Qiu, Li; Chen, Tongwen

Conference paper 5

A Polynomial Solution to an H(infinity) Robust Stabilization Problem
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 642-647
Liang, Yu; Qiu, Li
Mean square stabilization of multi-input systems over stochastic multiplicative channels
Proceedings of the IEEE Conference on Decision and Control, 2009, p. 6893-6898
Xiao, N.; Xie, L.; Qiu, L.
Robust Stabilization of Multiplicative/Relative Uncertain Systems and Networked Feedback Control
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 69-74
Gu, Guoxiang; Qiu, Li
Stabilization of Networked Control Systems with Finite Data Rate
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 1067-1072
Wan, Shuang; Qiu, Li
State Estimation Over a Network: Packet-dropping Analysis and Design
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 86-91
Shi, Ling; Qiu, Li


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Article 1

Best Achievable Tracking Performance in Sampled-Data Systems via LTI Controllers
IEEE transactions on automatic control, v. 53, (11), 2008, DEC, p. 2467-2479
Chen, Jie; Hara, Shinji; Qiu, Li; Middleton, Richard H.

Conference paper 4

An adaptive sinusoidal disturbance rejection controller for single-input-single-output systems
17th IFAC World Congress, Seoul, Korea
Gan, W.C.; Qiu, Li
Networked stabilization of multi-input systems with channel resource allocation
17th IFAC World Congress, Seoul, Korea
Gu, G.; Qiu, Li
Stabilization of Networked Multi-Input Systems with Channel Resource Allocation
2008 10TH INTERNATIONAL CONFERENCE ON CONTROL AUTOMATION ROBOTICS & VISION: ICARV 2008, VOLS 1-4, 2008, p. 59-63
Gu, Guoxiang; Qiu, Li
Tracking performance limitations in a linear feedback system with remote sensors
17th IFAC World Congress, Seoul, Korea
Su, Weizhou; Petersen, I.R.; Qiu, Li


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Article 3

Fundamental limit of discrete-time systems in tracking multi-tone sinusoidal signals
Automatica, v. 43, (1), 2007, JAN, p. 15-30
Su, Weizhou; Qiu, Li; Chen, Jie
On the angular metrics between linear subspaces
Linear algebra and its applications, v. 421, (1), 2007, FEB 1, p. 163-170
Zhang, Yanxia; Qiu, Li
On the span of Hadamard products of vectors
Linear algebra and its applications, v. 422, (1), 2007, APR 1, p. 304-307
Qiu, Li; Zhan, Xingzhi

Conference paper 3

A gain scheduled controller for sinusoidal ripple elimination of AC PM motor systems
2007 Mediterranean Conference on Control and Automation, MED, 2007
Wang, J.; Gan, W.C.; Qiu, L.
A LQG control problem with degree and robustness constraints
2006 Chinese Control Conference Proceedings, CCC 2006, 2007, p. 2194-2199
Yu, N.; Qiu, L.
An H_infinity approach to robust adaptive control
Proceedings of the 46th IEEE Confrenence on Decision and Control, 903-908
Gu, Guoxiang; Qiu, Li


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Article 2

Bias compensation based recursive least-squares identification algorithm for MISO systems
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 53, (5), 2006, MAY, p. 349-353
Ding, F.; Chen, TW; Qiu, L.
On performance limitation in tracking a sinusoid
IEEE transactions on automatic control, v. 51, (8), 2006, AUG, p. 1320-1325
Su, Weizhou; Qiu, Li; Chen, Jie

Conference paper 3

A mixed H₂/H_∞ control problem with controller degree constraint
Proceedings of the IEEE Conference on Decision and Control, 2006, p. 5365-5370
Yu, N.; Qiu, L.
An average performance limit of MIMO systems in tracking
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2006, p. 743-747
Su, W.; Qiu, L.; Chen, J.
On the angular metrics between linear subspaces
17th International Symposium on Mathematical Theory of Networks and Systems, July 24-28, 2006
Zhang, Yanxia; Qiu, Li


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Article 2

Multirate periodic systems and constrained analytic function interpolation problems
SIAM journal on control and optimization, v. 43, (6), 2005, p. 1972-1986
Chai, L.; Qiu, L.
Unitarily invariant metrics on the Grassmann space
SIAM journal on matrix analysis and applications, v. 27, (2), 2005, p. 507-531
Qiu, L.; Zhang, YX; Li, K.

Conference paper 4

Near optimal H-infinity tracking for a compact set of plants
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 7888-7893
Miller, Daniel E.; Qiu, Li
On performance limitation in tracking sinusoids
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 6204-6209
Su, Weizhou; Qiu, Li; Chen, Jie
Performance limitation of a linear system in tracking sinusoidal signals
Proceedings of the 5th International Conference on Control and Automation, ICCA'05, 2005, p. 564-569
Su, W.; Qiu, L.; Chen, J.
Tracking performance limitations under disturbance or uncertainty
I6th IFAC World Congress 2005, Prague, 3-8 July 2005
Su, Weizhou; Qiu, Li; Petersen, I.R.


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Article 2

Torque and velocity ripple elimination of AC permanent magnet motor control systems using the internal model principle
Ieee-asme TRANSACTIONS on Mechatronics, v. 9, (2), 2004, JUN, p. 436-447
Gan, WC; Qiu, L.
Unitary dilation approach to contractive matrix completion
Linear algebra and its applications, v. 379, (Sp. Iss. SI), 2004, MAR 1, p. 345-352
Qiu, L.; Chen, TW

Conference paper 5

A gain scheduled robust regulator for torque ripple elimination of AC permanent magnet motor systems
Proceedings of the IEEE International Conference on Control Applications, v. 1, 2004, p. 284-289
Gan, W.C.; Qiu, L.
Performance limitation in random sinusoidal signal estimation
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2004, p. 172-176
Su, W.; Zheng, W.X.; Qiu, L.
Robust stabilization using jury table
Proceedings of the SICE Annual Conference, 2004, p. 1041-1046
Zhao, X.; Qiu, L.
Solutions to Nehari and Hankel approximation problems using orthonormal rational functions
Proceedings of the American Control Conference, v. 1, 2004, p. 102-107
Zhao, X.; Qiu, L.
The renaissance of Routh
Proceedings of the SICE Annual Conference, 2004, p. 467-469
Qiu, L.


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Article 5

Blind MIMO channel identification from second order statistics using rank deficient channel convolution matrix
IEEE transactions on signal processing, v. 51, (2), 2003, FEB, p. 535-544
Ding, Z.; Qiu, L.
Design and analysis of a plug-in robust compensator: An application to indirect-field-oriented-control induction machine drives
IEEE transactions on industrial electronics, v. 50, (2), 2003, APR, p. 272-282
Gan, WC; Qiu, L.
Fundamental performance limitations in tracking sinusoidal signals
IEEE transactions on automatic control, v. 48, (8), 2003, AUG, p. 1371-1380
Su, WZ; Qiu, L.; Chen, J.
Position control of linear switched reluctance motors for high-precision applications
IEEE transactions on industry applications, v. 39, (5), 2003, SEP-OCT, p. 1350-1362
Gan, WC; Cheung, NC; Qiu, L.
What can Routh table offer in addition to stability
Journal of Control Theory and Applications, vol 1, pp.9-16
Qiu, Li

Conference paper 5

Fundamental performance limitations in tracking sinusoidal signals
Proceedings of the American Control Conference, 2003, p. 5335-5340
Su, WZ; Qiu, L.; Chen, J.
Orthonormal Rational Functions via the Jury Table and Their Applications
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 5265-5270
Zhao, X.; Qiu, L.
Performance Limitations of Discrete-Time Systems in Tracking Sinusoidal Signals
Proceedings of the American Control Conference, v. 1, 2003, p. 423-428
Su, W.; Qiu, L.; Chen, J.
Pre-Classical Tools for Post-Modern Control
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 4945-4950
Qiu, L.; Zhou, K.
What can Routh table offer in addition to stability
4th IFAC Symposium on Robust Control Design, IFAC, Milan, Italy
Qiu, L.


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Article 5

An explicit description of null controllable regions of linear systems with saturating actuators
Systems & control letters, v. 47, (1), 2002, SEP 16, p. 65-78
Hu, TS; Lin, ZL; Qiu, L.
Fundamental Performance Limitations in Estimation Problems
Communications in Information and Systems, Vol. 2, No. 4, pp. 371-384
Qiu, L.; Ren, Zhiyuan; Chen, Jie
Model validation of multirate systems from time-domain experimental data
IEEE transactions on automatic control, v. 47, (2), 2002, FEB, p. 346-351
Chai, L.; Qiu, L.
Optimal symmetric H-2 controllers for systems with collocated sensors and actuators
IEEE transactions on automatic control, v. 47, (12), 2002, DEC, p. 2121-2125
Yang, GH; Qiu, L.
Tracking performance limitations in LTI multivariable discrete-time systems
IEEE TRANSACTIONS on Circuits and SYSTEMS i-regular Papers, v. 49, (5), 2002, MAY, p. 657-670
Toker, O.; Chen, J.; Qiu, L.

Conference paper 4

A plug-in robust compensator for indirect field-oriented control induction machine drives
15th IFAC World Congress, IFAC, Barcelona, Spain
Gan, W.C.; Qiu, L.
Multirate periodic systems, v-gap metric and robust stabilization
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2002, p. 3718-3723
Chai, L.; Qiu, Li
Multirate periodic systems, v-gap metric and robust stabilization
4th Asian Control Conference, ASCC, Singapore, pp. 1951-1956
Chai, L.; Qiu, Li
Uncertainty equivalence principle and H_∞-based robust adaptive control: Stable plants
Proceedings of the IEEE Conference on Decision and Control, v. 3, 2002, p. 3055-3060
Gu, G.; Qiu, L.


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Article 4

A state space solution to the robust stabilization problem of discrete-time multirate and periodic systems
Dynamics OF continuous DISCRETE and IMPULSIVE systems-series b-applications & Algorithms, v. 8, (4), 2001, DEC, p. 501-515
Tan, K.; Chai, L.; Qiu, L.
Multirate systems and related interpolation problems
Lecture notes in control and information sciences, v. 268, 2001, p. 29-40
Chai, L.; Qiu, L.
Optimal tracking performance: Preview control and exponential signals
IEEE transactions on automatic control, v. 46, (10), 2001, OCT, p. 1647-1653
Chen, J.; Ren, Z.; Hara, S.; Qiu, L.
Stabilization of exponentially unstable linear systems with saturating actuators
IEEE transactions on automatic control, v. 46, (6), 2001, JUN, p. 973-979
Hu, TS; Lin, ZL; Qiu, L.

Conference paper 5

Extended argument principle and integral design constraints, Part II: new integral relations
Proc. 40th IEEE Conf. on Decision and Control, IEEE, Orlando, USA, December
Chen, G.; Chen, J.; Qiu, Li
Optimal symmetric H2 controllers for systems with collocated sensors and actuators
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 2001, p. 3093-3098
Yang, G.H.; Qiu, L.
Postmodern control, classical language
The 3rd IEEE Int'l conference on Control Theory & Application, December, Pretoria, South Africa, 187-191
Qiu, Li
Robust stabilization of periodic and multirate systems with gap and v-gap uncertainty
Preprints of the IFAC Workshop on Periodic Control Systems, IFAC, Cernobbio-Como, Italy, August, 109-114
Tan, K.; Chai, Li; Qiu, Li
Short distance position control for linear switched reluctance motors: A plug-in robust compensator approach
Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), v. 4, 2001, p. 2329-2336
Gan, W.C.; Cheung, N.C.; Qiu, L.


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Article 1

Limitations on maximal tracking accuracy
IEEE transactions on automatic control, v. 45, (2), 2000, FEB, p. 326-331
Chen, J.; Qiu, L.; Toker, O.

Conference paper 8

Extended argument principle and integral design constraints Part I: A unified formula for classical results
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4984-4989
Chen, J.; Chen, G.; Ren, Z.; Qiu, L.
Model validation of multirate systems from time-domain experimental data
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 4, 2000, p. 2835-2840
Chai, L.; Qiu, L.
Optimal tracking performance: Preview control and exponential signals
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 2, 2000, p. 1924-1929
Ren, Z.; Chen, J.; Hara, S.; Qiu, L.
Properties of matrix polynomials and mimo channel identifiability from second order statistics
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4302-4307
Ding, Z.; Qiu, L.
Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors
IEEE Conference on Control Applications - Proceedings, v. 1, 2000, p. 156-161
Gan, Wai-Chuen; Qiu, Li
Stabilization of linear systems with input constraints
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2000, p. 3272-3277
Qiu, L.; Miller, D.E.
Topics on multirate systems: Frequency response, interpolation, model validation
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2000, p. 4290-4295
Chai, L.; Qiu, L.
Velocity Ripple Elimination of AC Permanent Motor by Using Internal Model Principle
Proceedings - IPEMC 2000: 3rd International Power Electronics and Motion Control Conference, v. 1, 2000, Article number 885427, p. 346-352
Gan, Waichuen; Qiu, Li


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Article 3

Multirate sampled-data systems: All H-infinity suboptimal controllers and the minimum entropy controller
IEEE transactions on automatic control, v. 44, (3), 1999, MAR, p. 537-550
Qiu, L.; Chen, TW
On performance limitations in estimation
Lecture notes in control and information sciences, v. 245, 1999, p. 147-158
Ren, ZY; Qiu, L.; Chen, J.
Time domain characterizations of performance limitations of feedback control
Lecture notes in control and information sciences, v. 241, 1999, p. 397-415
Qiu, L.; Chen, J.

Conference paper 1

Performance limitations in estimation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1999, p. 3204-3209
Ren, Zhiyuan; Qiu, Li; Chen, Jie


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Article 8

Connection of multiplicative/relative perturbation in coprime factors and gap metric uncertainty
Automatica, v. 34, (5), 1998, MAY, p. 603-607
Gu, GX; Qiu, L.
Controllable regions of linear systems with bounded inputs
Systems & control letters, v. 33, (1), 1998, JAN 29, p. 55-61
Hu, TS; Qiu, L.
Direct state space solution of multirate sampled-data H-2 optimal control
Automatica, v. 34, (11), 1998, NOV, p. 1431-1437
Qiu, L.; Tan, K.
General multirate building structures with application to nonuniform filter banks
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 45, (8), 1998, AUG, p. 948-958
Chen, T.; Qiu, L.; Bai, EW
On structured perturbation of Hermitian matrices
Linear algebra and its applications, v. 276, 1998, MAY 15, p. 287-314
Hu, TS; Qiu, L.
Real perturbation values and real quadratic forms in a complex vector space
Linear algebra and its applications, v. 270, 1998, FEB, p. 131-154
Bernhardsson, B.; Rantzer, A.; Qiu, L.
Stabilization of LTI systems with planar anti-stable dynamics using saturated linear feedback
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1998, p. 389-394
Hu, Tingshu; Qiu, Li; Lin, Zongli
Unfalsified weighted least squares estimates in set-membership identification
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, v. 45, (1), 1998, p. 41-49
Bai, EW; Qiu, L.; Tempo, R.


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Article 1

Linear periodically time-varying discrete-time systems: Aliasing and LTI approximations
Systems & control letters, v. 30, (5), 1997, JUN, p. 225-235
Chen, TW; Qiu, L.

Conference paper 3

Controllability and stabilization of unstable LTI systems with input saturation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 1997, p. 4498-4503
Hu, Tingshu; Qiu, Li; Lin, Zongli
General multirate building blocks and their application in nonuniform filter banks
Proceedings - IEEE International Symposium on Circuits and Systems, v. 4, 1997, p. 2349-2352
Chen, Tongwen; Qiu, Li; Bai, Erwei
Unfalsified weighted least squares estimates in set-membership identification
Proceedings of the American Control Conference, v. 3, 1997, p. 1519-1523
Bai, Er-Wei; Qiu, Li; Tempo, Roberto


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Article 2

A single sample path-based performance sensitivity formula for Markov chains
IEEE transactions on automatic control, v. 41, (12), 1996, DEC, p. 1814-1817
Cao, XR; Yuan, XM; Qiu, L.
On the robustness of symmetric systems
Systems & control letters, v. 27, (3), 1996, MAR 18, p. 187-190
Qiu, L.

Conference paper 2

Complex and real performance radii and their computation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1851-1856
Hu, TS; Qiu, L.
Development of MATLAB tools and case study for multirate control design
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1278-1283
Qiu, L.; Chen, TW; Potvin, A.; Gu, J.; Tan, K.; Sun, Y.; Shu, H.


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Article 2

A FORMULA FOR COMPUTATION OF THE REAL STABILITY RADIUS
Automatica, v. 31, (6), 1995, JUN, p. 879-890
QIU, L.; BERNHARDSSON, B.; RANTZER, A.; DAVISON, EJ; YOUNG, PM; DOYLE, JC
On the computation of the real Hurwitz-stability radius
IEEE transactions on automatic control, v. 40, (8), 1995, p. 1475-1476
Qiu, Li; Tits, Andre L.; Yang, Yaguang

Book chapter 3

Nest algebras, causality constraints, and multirate robust control
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.1-20
Chen, T.; Qiu, Li
Robust stability of circuits with multiple uncertain parameters
The Circuits and Filters Handbook, W.-K. Chen, editor-in-chief / Boca Raton, Florida: CRC Press, 1995, p.1363-1371
Qiu, Li
Robust stabilization for lp gap perturbations
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.55-80
Qiu, Li; Miller, D.E.

Conference paper 2

On the robustness of symmetric systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1995, p. 2659-2660
Qiu, Li
Robust control for `p gap perturbations
1995 European Control Conf., 1995, p.1020-1025
Qiu, Li


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Article 2

_H∞ design of general multirate sampled-data control systems
Automatica, v. 30, (7), 1994, p. 1139-1152
Chen, T.; Qiu, L.
H2-optimal design of multirate sampled-data systems
IEEE transactions on automatic control, v. 39, (12), 1994, p. 2506-2511
Qiu, Li; Chen, Tongwen

Conference paper 3

A necessary and sufficient condition for the robust stability of feedback systems with lp gap uncertainty
1994 Hong Kong International Workshop on New Directions of Control and Manufacturing, 1994, p.178-184
Qiu, Li
Multirate sampled-data systems: all H_∞ suboptimal controllers and the minimum entropy controller
Proceedings of the IEEE Conference on Decision and Control, v. 4, 1994, p. 3707-3712
Qiu, Li; Chen, Tongwen
On characterizing all multirate controllers that satisfy an H8 norm bound
First Asian Control Conf., 1994, vol.3, p.69-72
Qiu, Li; Chen, T.


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Article 1

Performance limitations of non-minimum phase systems in the servomechanism problem
Automatica, v. 29, (2), 1993, p. 337-349
Qiu, L.; Davison, E.J.

Conference paper 3

H2 and H∞ designs of multirate sampled-data systems
American Control Conference, 1993, p. 435-440
Qiu, Li; Chen, Tongwen
H∞ design of general multirate sampled-data control systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1993, p. 315-320
Chen, Tongwen; Qiu, Li
On the real structured stability radius
Reprints of the 12th IFAC World Congress, 1993, vol.8, p.71-78
Qiu, Li; Bernhardsson, B.; Rantzer, A.; Davison, E.J.; Young, P.M.; Doyle, J.C.


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Article 4

A unified approach for the stability robustness of polynomials in a convex set
Automatica, v. 28, (5), 1992, p. 945-959
Qiu, L.; Davison, E.J.
Feedback stability under simultaneous gap metric uncertainties in plant and controller
Systems & Control Letters, v.18, 1992, p.9-22
Qiu, Li; Davison, E.J.
Pointwise gap metrics on transfer matrices
IEEE Transactions on Automatic Control, v.37, 1992, p.741-758
Qiu, Li; Davison, E.J.
The stability robustness of generalized eigenvalues
IEEE transactions on automatic control, v. 37, (6), 1992, p. 886-891
Qiu, L.; Davison, E.J.

Book chapter 1

Bounds on the real stability radius
Robustness of Dynamic Systems with Parameter Uncertainties / Edited by M.Mansour, S.Balemi, and W.Tru?ol, Basel, Switzerland: Birkh?auser Verlag, 1992, p.139-145
Qiu, Li; Davison, E.J.

Conference paper 2

Improved bound on the real stability radius
Proceedings of the American Control Conference, v. 1, 1992, p. 588-589
Qiu, L.; Davison, E.J.
Robust stability of feedback systems on Banach spaces
31th IEEE Conf. on Decision and Control, 1992, p.382-383
Qiu, Li


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Article 1

The stability robustness determination of state space models with real unstructured perturbations
Mathematics of Control, Signals, and Systems; MCSS, v. 4, (3), 1991, p. 247-267
Qiu, L.; Davison, E.J.

Book chapter 1

Robust control under simultaneous plant and controller uncertainties
Control of Uncertain Dynamic Systems / Edited by S.P. Bhattacharyya and L.H. Keel, Boca Raton, Florida: CRC Press, 1991, p.281-295
Qiu, Li; Davison, E.J.


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Book chapter 1

A new method for the stability robustness determination of state space models with real perturbations
Recent Advances in Robust Control / Edited by P. Dorato and R.K. Yedavalli, Piscataway, New Jersey: IEEE Press, 1990, p.125-130
Qiu, Li; Davison, E.J.

Conference paper 3

Performance limitations of non-minimum phase systems
Reprints of the 11th IFAC World Congress, 1990, vol.2, p.322-327
Qiu, Li; Davison, E.J.
Pointwise gap metrics on transfer matrices
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1990, p. 2431-2436
Qiu, L.; Davison, E.J.
Tensor product methods in stability robustness analysis
Proceedings of the American Control Conference, 1990, p. 2527-2532
Qiu, L.; Davison, E.J.


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Article 1

A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
Systems & control letters, v. 13, (5), 1989, p. 413-420
Qiu, L.; Davison, E.J.

Conference paper 3

A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
IEEE International Conf. on Systems Engineering, 1989, p.503-507
Qiu, Li; Davison, E.J.
Stability robustness of generalized eigenvalues
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1989, p. 1902-1907
Qiu, L.; Davison, E.J.
Unified approach for the stability robustness of polynomials in a convex set
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1989, p. 30-36
Qiu, L.; Davison, E.J.


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Conference paper 2

Computation of the stability robustness of large state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 1380-1385
Qiu, L.; Davison, E.J.
New method for the stability robustness determination of state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 538-543
Qiu, L.; Davison, E.J.


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Conference paper 1

NEW PERTURBATION BOUNDS FOR THE ROBUST STABILITY OF LINEAR STATE SPACE MODELS.
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1986, p. 751-755
Qiu, L.; Davison, E.J.


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2016 11

Constrained (0,1)-Matrix Completion with a Staircase of Fixed Zeros
Linear Algebra and Its Applications, v. 510, December 2016, p. 171-185
Chen, Wei; Mo, Yanfang; Qiu, Li; Varaiya, Pravin P. Article
Linear Quadratic Optimal Control of Continuous-Time LTI Systems With Random Input Gains
IEEE Transactions on Automatic Control, v. 61, (7), July 2016, article number 7279084, p. 2008-2013
Chen, Wei; Qiu, Li Article
Characterizing the Positive Semidefiniteness of Signed Laplacians via Effective Resistances
2016 IEEE 55th Conference on Decision and Control (CDC 2016), December 2016, article number 7798396, p. 985-990
Chen, Wei; Liu, Ji; Chen, Yongxin; Khong, Sei Zhen; Wang, Dan; Basar, Tamer; Qiu, Li; Johansson, Karl Conference paper
Duration-Deadline Jointly Differentiated Energy Services
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403358, p. 7220-7225
Chen, Wei; Qiu, Li; Varaiya, Pravin P. Conference paper
Duration-Differentiated Energy Services with Peer-to-Peer Charging
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799430, p. 7514-7519
Chen, Wei; Qiu, Li; Mo, Yanfang Conference paper
Multi-Leader Selection in Complex Networks
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798518, p. 1751-1756
Wang, Dan; Chen, Wei; Qiu, Li Conference paper
Networked Robust Stabilization with Simultaneous Uncertainties in Plant, Controller and Communication Channels
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7798618, p. 2376-2381
Zhao, Di; Qiu, Li Conference paper
On Semidefiniteness of Signed Laplacians with Application to Microgrids
IFAC-PapersOnLine, v. 49, (22), November 2016, p. 97-102
Chen, Wei; Wang, Dan; Liu, Ji; Basar, Tamer; Johansson, Karl; Qiu, Li Conference paper
Output Consensus Control for Multi-Agent Systems in the Presence of Gap Metric Uncertainties
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7403094, p. 5581-5586
Alvergue, Luis D.; Gu, Guoxiang; Qiu, Li Conference paper
Projected Spectrahedral Cone-Invariant Realization of an LTI System With Nonnegative Impulse Response
2016 IEEE 55th Conference on Decision and Control, CDC 2016, December 2016, article number 7799287, p. 6613-6618
Zheng, Jianying; Zhang, Yanqiong; Qiu, Li Conference paper
Randomized Incremental Algorithms for the PageRank Computation
Proceedings of the IEEE Conference on Decision and Control, v. 2016-February, February 2016, article number 7402238, p. 431-436
You, Keyou; Tempo, Roberto; Qiu, Li Conference paper

2015 7

Measure of Instability
Journal of Control & Decision, v. 2, (2), April 2015, p. 87-98
Qiu, Li Article
Networked stabilization for multi-input systems over quantized fading channels
Automatica, v. 61, November 2015, p. 1-8
Gu, Guoxiang; Wan, Shuang; Qiu, Li Article
A Majorization Condition for MIMO Stabilizability via MIMO Transceivers with Pure Fading Subchannels
Proceedings of the 34th Chinese Control Conference, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 6800-6804
Chen, Wei; Wang, Songbai; Qiu, Li Conference paper
Cucker-Smale Flocking under General Interaction Topologies
IFAC-PapersOnLine, v. 48, (11), 2015, p. 540-544
Dong, Jiugang; Qiu, Li Conference paper
Feasible Channel Capacity Region for MIMO Stabilization via MIMO Communication
Proceedings of the IEEE Conference on Decision and Control, February 2016, article number 7402581, p. 2483-2488
Wang, Songbai; Chen, Wei; Qiu, Li Conference paper
Feedback Stabilization of Networked Systems over Fading Channels with Resource Allocation
IFAC-PapersOnLine, v. 48, (14), 2015, p. 363-367
Liu, Qinyuan; Chen, Wei; Qiu, Li; Wang, Zidong Conference paper
MIMO Control Using MIMO Communication: A Majorization Condition for Networked Stabilizability
Proceedings of the American Control Conference, v. 2015-July, July 2015, article number 7171060, p. 2205-2210
Chen, Wei; Wang, Songbai; Qiu, Li Conference paper

2014 8

Networked control systems for multi-input plants based on polar logarithmic quantization
Systems and Control Letters, v. 69, (1), 2014, p. 16-22
Gu, Guoxiang; Qiu, Li Article
Partial-Information State-Based Optimization of Partially Observable Markov Decision Processes and the Separation Principle
IEEE Transactions on Automatic Control, v. 59, (4), 2014, article number 6725632, p. 921-936
Cao, Xi-Ren; Wang, De-Xin; Qiu, Li Article
Robust control in gap metric
Encyclopedia of Systems and Control / Baillieul J., Samad T. (eds). London : Springer, 2014, p. 1-7
Qiu, Li Book chapter
Networked Stabilization of Sampled-data Systems over Quantized Fading Channels
2014 11th World Congress on Intelligent Control and Automation (WCICA 2014), Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 198-203
Wan, Shuang; Qiu, Li Conference paper
On the Existence of a Mean-Square Stabilizing Solution to a Continuous-Time Modified Algebraic Riccati Equation
The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, The Netherlands, 7-11 July 2014
Zheng, Jianying; Qiu, Li Conference paper
On the Existence of a Mean-square Stabilizing Solution to a Modified Algebraic Riccati Equation
IFAC Proceedings Volumes (IFAC-PapersOnline), v. 19, 2014, p. 6988-6993
Zheng, Jianying; Qiu, Li Conference paper
Randomized Incremental Least Squares for Distributed Estimation Over Sensor Networks
IFAC Proceedings Volumes, v. 19, 2014, p. 7424-7429
You, Keyou; Qiu, Li; Song, Shiji Conference paper
Topological Constraints on Consensus via Delayed Output Feedback over Directed Graph
Proceedings of the 33rd Chinese Control Conference, CCC 2014, September 2014, article number 6896827, p. 1360-1365
Tian, Qi; Li, Qiu; Jie, Chen Conference paper

2013 13

Preclassical Tools for Postmodern Control
IEEE Control Systems, v. 33, (4), 2013, p. 26-38
Qiu, Li; Zhou, Kemin Article
Stabilization of Networked Control Systems with Multirate Sampling
Automatica, v. 49, (6), June 2013, p. 1528-1537
Chen, Wei; Qiu, Li Article
Stabilization of Networked Multi-input Systems With Channel Resource Allocation
IEEE Transactions on Automatic Control, v. 58, (3), 2013, article number 6298000, p. 554-568
Qiu, Li; Gu, Guoxiang; Chen, Wei Article
A Channel/Controller Co-design Approach for Infinite-horizon LQR Problem with Random Input Gains
2013 IEEE International Conference on Information and Automation, ICIA 2013, 2013, article number 6720411, p. 844-849
Chen, Wei; Qiu, Li Conference paper
A Mixed Deterministic and Stochastic Small Gain Theorem and its Application to Networked Stabilization
2013 IEEE 52nd Annual Conference on Decision and Control (CDC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 6385-6390
Wan, Shuang; Qiu, Li Conference paper
Consensus Over Directed Graph: Output Feedback and Topological Constraints
2013 9th Asian Control Conference (ASCC), 2013, article number 6606016
Qi, Tian; Qiu, Li; Chen, Jie Conference paper
Continuous-time Indefinite Linear Quadratic Optimal Control with Random Input Gains
2013 European Control Conference (ECC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 2392-2397
Chen, Wei; Qiu, Li Conference paper
Infinite-horizon Linear Quadratic Optimal Control for Discrete-time LTI Systems with Random Input Gains
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers ( IEEE ), 2013, p. 1195-1200
Zheng, Jianying; Qiu, Li Conference paper
Modeling Quantized Fading Channels as Uncertainty: A Quasi-signal-to-noise- Ratio Approach
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6760720, p. 5282-5287
Chen, Xiang; Gu, Guoxiang; Qiu, Li; Feng, Yu Conference paper
Multi-Agent Consensus under Delayed Feedback: Fundamental Constraint on Graph and Fundamental Bound on Delay
Proceedings of the American Control Conference, 2013, article number 6579959, p. 952-957
Qi, Tian; Qiu, Li; Chen, Jie Conference paper
Networked Feedback Stabilization over Quantized Fading Channels
2013 American Control Conference (ACC 2013), Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 765-770
Wan, Shuang; Gu, Guoxiang; Qiu, Li Conference paper
Networked Stabilization with Polar Logarithmic Quantization
IEEE International Conference on Control and Automation, ICCA, 2013, article number 6564871, p. 330-335
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Networked Multi-input Systems Over a Shared Bus With Scheduling/control Co-design
Proceedings of the IEEE Conference on Decision and Control, 2013, article number 6761037, p. 7235-7240
Chen, Wei; Yao, Ling; Qiu, Li Conference paper

2012 9

Feedback Stabilization of Discrete-Time Networked Systems Over Fading Channels
IEEE Transactions on Automatic Control, v. 57, (9), 2012, Sept, p. 2176-2189
Xiao, Nan; Xie, Lihua; Qiu, Li Article
Stabilization of multi-input networked control systems over additive white Gaussian noise channels
Developments in Control Theory Towards Glocal Control / Qiu Li, Chen Jie, Iwasaki Tetsuya, Fujioka Hisaya. London, UK : Institution of Engineering and Technology, 2012, p. 157-171, Chapter 16
Chen, Wei; Gu, Guoxiang; Qiu, Li Book chapter
Linear Quadratic Optimal Control for Discrete-time Lti Systems With Random Input Gains
Chinese Control Conference, CCC, 2012, article number 6390958, p. 5803-5808
Zheng, Jianying; Chen, Wei; Shi, Ling; Qiu, Li Conference paper
Linear Quadratic Optimal Control of Continuous-time LTI Systems with Random Input Gains
Proceeding of the IEEE International Conference on Information and Automation, 2012, article number 6246813, p. 241-246
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
LQG Control of LTI Systems With Random Input and Output Gains
Proceedings of the IEEE Conference on Decision and Control, 2012, article number 64266528, p. 3298-3304
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
LQR Problem of Continuous-time LTI Systems with Random Gains
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Chen, Wei; Zheng, Jianying; Qiu, Li Conference paper
Networked Feedback Control over Fading Channels and the Relation to H-2 Control
2012 IEEE International Conference on Information and Automation, ICIA 2012, Shenyang, China, 2012, p.247-252
Gu, Guoxiang; Qiu, Li Conference paper
Networked State Estimation of MIMO Systems
2012 12TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS & VISION (ICARCV), 2012, p. 424-429
Rong, Baoyue; Shi, Ling; Qiu, Li Conference paper
State estimation over packet-dropping channels
20th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, July 2012
Rong, Baoyue; Shi, Ling; Qiu, Li Conference paper

2011 4

Completion-of-squares: Revisited and extended
Systems & control letters, v. 60, (10), October 2011, p. 840-844
Wang, De-Xin; Cao, Xi-Ren; Qiu, Li Article
A two-port approach to networked feedback stabilization
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2011, p. 2387-2392
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Multirate Networked Control Systems
Proceedings of the IEEE Conference on Decision and Control, 2011, article number 6160504, p. 5274-5280
Chen, Wei; Qiu, Li Conference paper
Stabilization of Networked Multi-input Systems Over AWGN Channels With Channel Resource Allocation
IEEE International Conference on Control and Automation, ICCA, 2011, article number 6138032, p. 680-685
Chen, Wei; Qiu, Li; Gu, Guoxiang Conference paper

2010 3

FROM SUBADDITIVE INEQUALITIES OF SINGULAR VALUES TO TRIANGLE INEQUALITIES OF CANONICAL ANGLES
SIAM journal on matrix analysis and applications, v. 31, (4), 2010, p. 1606-1620
Zhang, Yanxia; Qiu, Li Article
Introduction to Feedback Control
Introduction to Feedback Control / Li Qiu, Kemin Zhou. Upper Saddle River, N.J.: Prentice-Hall, 2010
Qiu, Li; Zhou, Kemin Book
Quantify the unstable
the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010), Budapest, Hungary, July 2010
Qiu, Li Conference paper

2009 7

An Average Performance Limit of MIMO Systems in Tracking Multi-Sinusoids With Partial Signal Information
IEEE transactions on automatic control, v. 54, (8), 2009, AUG, p. 2001-2006
Su, Weizhou; Qiu, Li; Chen, Jie Article
Reconstruction of continuous-time systems from their non-uniformly sampled discrete-time systems
Automatica, v. 45, (2), 2009, FEB, p. 324-332
Ding, Feng; Qiu, Li; Chen, Tongwen Article
A Polynomial Solution to an H(infinity) Robust Stabilization Problem
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 642-647
Liang, Yu; Qiu, Li Conference paper
Mean square stabilization of multi-input systems over stochastic multiplicative channels
Proceedings of the IEEE Conference on Decision and Control, 2009, p. 6893-6898
Xiao, N.; Xie, L.; Qiu, L. Conference paper
Robust Stabilization of Multiplicative/Relative Uncertain Systems and Networked Feedback Control
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 69-74
Gu, Guoxiang; Qiu, Li Conference paper
Stabilization of Networked Control Systems with Finite Data Rate
ASCC: 2009 7TH ASIAN CONTROL CONFERENCE, VOLS 1-3, 2009, p. 1067-1072
Wan, Shuang; Qiu, Li Conference paper
State Estimation Over a Network: Packet-dropping Analysis and Design
2009 IEEE INTERNATIONAL CONFERENCE ON CONTROL AND AUTOMATION, VOLS 1-3, 2009, p. 86-91
Shi, Ling; Qiu, Li Conference paper

2008 5

Best Achievable Tracking Performance in Sampled-Data Systems via LTI Controllers
IEEE transactions on automatic control, v. 53, (11), 2008, DEC, p. 2467-2479
Chen, Jie; Hara, Shinji; Qiu, Li; Middleton, Richard H. Article
An adaptive sinusoidal disturbance rejection controller for single-input-single-output systems
17th IFAC World Congress, Seoul, Korea
Gan, W.C.; Qiu, Li Conference paper
Networked stabilization of multi-input systems with channel resource allocation
17th IFAC World Congress, Seoul, Korea
Gu, G.; Qiu, Li Conference paper
Stabilization of Networked Multi-Input Systems with Channel Resource Allocation
2008 10TH INTERNATIONAL CONFERENCE ON CONTROL AUTOMATION ROBOTICS & VISION: ICARV 2008, VOLS 1-4, 2008, p. 59-63
Gu, Guoxiang; Qiu, Li Conference paper
Tracking performance limitations in a linear feedback system with remote sensors
17th IFAC World Congress, Seoul, Korea
Su, Weizhou; Petersen, I.R.; Qiu, Li Conference paper

2007 6

Fundamental limit of discrete-time systems in tracking multi-tone sinusoidal signals
Automatica, v. 43, (1), 2007, JAN, p. 15-30
Su, Weizhou; Qiu, Li; Chen, Jie Article
On the angular metrics between linear subspaces
Linear algebra and its applications, v. 421, (1), 2007, FEB 1, p. 163-170
Zhang, Yanxia; Qiu, Li Article
On the span of Hadamard products of vectors
Linear algebra and its applications, v. 422, (1), 2007, APR 1, p. 304-307
Qiu, Li; Zhan, Xingzhi Article
A gain scheduled controller for sinusoidal ripple elimination of AC PM motor systems
2007 Mediterranean Conference on Control and Automation, MED, 2007
Wang, J.; Gan, W.C.; Qiu, L. Conference paper
A LQG control problem with degree and robustness constraints
2006 Chinese Control Conference Proceedings, CCC 2006, 2007, p. 2194-2199
Yu, N.; Qiu, L. Conference paper
An H_infinity approach to robust adaptive control
Proceedings of the 46th IEEE Confrenence on Decision and Control, 903-908
Gu, Guoxiang; Qiu, Li Conference paper

2006 5

Bias compensation based recursive least-squares identification algorithm for MISO systems
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 53, (5), 2006, MAY, p. 349-353
Ding, F.; Chen, TW; Qiu, L. Article
On performance limitation in tracking a sinusoid
IEEE transactions on automatic control, v. 51, (8), 2006, AUG, p. 1320-1325
Su, Weizhou; Qiu, Li; Chen, Jie Article
A mixed H₂/H_∞ control problem with controller degree constraint
Proceedings of the IEEE Conference on Decision and Control, 2006, p. 5365-5370
Yu, N.; Qiu, L. Conference paper
An average performance limit of MIMO systems in tracking
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2006, p. 743-747
Su, W.; Qiu, L.; Chen, J. Conference paper
On the angular metrics between linear subspaces
17th International Symposium on Mathematical Theory of Networks and Systems, July 24-28, 2006
Zhang, Yanxia; Qiu, Li Conference paper

2005 6

Multirate periodic systems and constrained analytic function interpolation problems
SIAM journal on control and optimization, v. 43, (6), 2005, p. 1972-1986
Chai, L.; Qiu, L. Article
Unitarily invariant metrics on the Grassmann space
SIAM journal on matrix analysis and applications, v. 27, (2), 2005, p. 507-531
Qiu, L.; Zhang, YX; Li, K. Article
Near optimal H-infinity tracking for a compact set of plants
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 7888-7893
Miller, Daniel E.; Qiu, Li Conference paper
On performance limitation in tracking sinusoids
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 2005, p. 6204-6209
Su, Weizhou; Qiu, Li; Chen, Jie Conference paper
Performance limitation of a linear system in tracking sinusoidal signals
Proceedings of the 5th International Conference on Control and Automation, ICCA'05, 2005, p. 564-569
Su, W.; Qiu, L.; Chen, J. Conference paper
Tracking performance limitations under disturbance or uncertainty
I6th IFAC World Congress 2005, Prague, 3-8 July 2005
Su, Weizhou; Qiu, Li; Petersen, I.R. Conference paper

2004 7

Torque and velocity ripple elimination of AC permanent magnet motor control systems using the internal model principle
Ieee-asme TRANSACTIONS on Mechatronics, v. 9, (2), 2004, JUN, p. 436-447
Gan, WC; Qiu, L. Article
Unitary dilation approach to contractive matrix completion
Linear algebra and its applications, v. 379, (Sp. Iss. SI), 2004, MAR 1, p. 345-352
Qiu, L.; Chen, TW Article
A gain scheduled robust regulator for torque ripple elimination of AC permanent magnet motor systems
Proceedings of the IEEE International Conference on Control Applications, v. 1, 2004, p. 284-289
Gan, W.C.; Qiu, L. Conference paper
Performance limitation in random sinusoidal signal estimation
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 1, 2004, p. 172-176
Su, W.; Zheng, W.X.; Qiu, L. Conference paper
Robust stabilization using jury table
Proceedings of the SICE Annual Conference, 2004, p. 1041-1046
Zhao, X.; Qiu, L. Conference paper
Solutions to Nehari and Hankel approximation problems using orthonormal rational functions
Proceedings of the American Control Conference, v. 1, 2004, p. 102-107
Zhao, X.; Qiu, L. Conference paper
The renaissance of Routh
Proceedings of the SICE Annual Conference, 2004, p. 467-469
Qiu, L. Conference paper

2003 10

Blind MIMO channel identification from second order statistics using rank deficient channel convolution matrix
IEEE transactions on signal processing, v. 51, (2), 2003, FEB, p. 535-544
Ding, Z.; Qiu, L. Article
Design and analysis of a plug-in robust compensator: An application to indirect-field-oriented-control induction machine drives
IEEE transactions on industrial electronics, v. 50, (2), 2003, APR, p. 272-282
Gan, WC; Qiu, L. Article
Fundamental performance limitations in tracking sinusoidal signals
IEEE transactions on automatic control, v. 48, (8), 2003, AUG, p. 1371-1380
Su, WZ; Qiu, L.; Chen, J. Article
Position control of linear switched reluctance motors for high-precision applications
IEEE transactions on industry applications, v. 39, (5), 2003, SEP-OCT, p. 1350-1362
Gan, WC; Cheung, NC; Qiu, L. Article
What can Routh table offer in addition to stability
Journal of Control Theory and Applications, vol 1, pp.9-16
Qiu, Li Article
Fundamental performance limitations in tracking sinusoidal signals
Proceedings of the American Control Conference, 2003, p. 5335-5340
Su, WZ; Qiu, L.; Chen, J. Conference paper
Orthonormal Rational Functions via the Jury Table and Their Applications
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 5265-5270
Zhao, X.; Qiu, L. Conference paper
Performance Limitations of Discrete-Time Systems in Tracking Sinusoidal Signals
Proceedings of the American Control Conference, v. 1, 2003, p. 423-428
Su, W.; Qiu, L.; Chen, J. Conference paper
Pre-Classical Tools for Post-Modern Control
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2003, p. 4945-4950
Qiu, L.; Zhou, K. Conference paper
What can Routh table offer in addition to stability
4th IFAC Symposium on Robust Control Design, IFAC, Milan, Italy
Qiu, L. Conference paper

2002 9

An explicit description of null controllable regions of linear systems with saturating actuators
Systems & control letters, v. 47, (1), 2002, SEP 16, p. 65-78
Hu, TS; Lin, ZL; Qiu, L. Article
Fundamental Performance Limitations in Estimation Problems
Communications in Information and Systems, Vol. 2, No. 4, pp. 371-384
Qiu, L.; Ren, Zhiyuan; Chen, Jie Article
Model validation of multirate systems from time-domain experimental data
IEEE transactions on automatic control, v. 47, (2), 2002, FEB, p. 346-351
Chai, L.; Qiu, L. Article
Optimal symmetric H-2 controllers for systems with collocated sensors and actuators
IEEE transactions on automatic control, v. 47, (12), 2002, DEC, p. 2121-2125
Yang, GH; Qiu, L. Article
Tracking performance limitations in LTI multivariable discrete-time systems
IEEE TRANSACTIONS on Circuits and SYSTEMS i-regular Papers, v. 49, (5), 2002, MAY, p. 657-670
Toker, O.; Chen, J.; Qiu, L. Article
A plug-in robust compensator for indirect field-oriented control induction machine drives
15th IFAC World Congress, IFAC, Barcelona, Spain
Gan, W.C.; Qiu, L. Conference paper
Multirate periodic systems, v-gap metric and robust stabilization
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2002, p. 3718-3723
Chai, L.; Qiu, Li Conference paper
Multirate periodic systems, v-gap metric and robust stabilization
4th Asian Control Conference, ASCC, Singapore, pp. 1951-1956
Chai, L.; Qiu, Li Conference paper
Uncertainty equivalence principle and H_∞-based robust adaptive control: Stable plants
Proceedings of the IEEE Conference on Decision and Control, v. 3, 2002, p. 3055-3060
Gu, G.; Qiu, L. Conference paper

2001 9

A state space solution to the robust stabilization problem of discrete-time multirate and periodic systems
Dynamics OF continuous DISCRETE and IMPULSIVE systems-series b-applications & Algorithms, v. 8, (4), 2001, DEC, p. 501-515
Tan, K.; Chai, L.; Qiu, L. Article
Multirate systems and related interpolation problems
Lecture notes in control and information sciences, v. 268, 2001, p. 29-40
Chai, L.; Qiu, L. Article
Optimal tracking performance: Preview control and exponential signals
IEEE transactions on automatic control, v. 46, (10), 2001, OCT, p. 1647-1653
Chen, J.; Ren, Z.; Hara, S.; Qiu, L. Article
Stabilization of exponentially unstable linear systems with saturating actuators
IEEE transactions on automatic control, v. 46, (6), 2001, JUN, p. 973-979
Hu, TS; Lin, ZL; Qiu, L. Article
Extended argument principle and integral design constraints, Part II: new integral relations
Proc. 40th IEEE Conf. on Decision and Control, IEEE, Orlando, USA, December
Chen, G.; Chen, J.; Qiu, Li Conference paper
Optimal symmetric H2 controllers for systems with collocated sensors and actuators
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 2001, p. 3093-3098
Yang, G.H.; Qiu, L. Conference paper
Postmodern control, classical language
The 3rd IEEE Int'l conference on Control Theory & Application, December, Pretoria, South Africa, 187-191
Qiu, Li Conference paper
Robust stabilization of periodic and multirate systems with gap and v-gap uncertainty
Preprints of the IFAC Workshop on Periodic Control Systems, IFAC, Cernobbio-Como, Italy, August, 109-114
Tan, K.; Chai, Li; Qiu, Li Conference paper
Short distance position control for linear switched reluctance motors: A plug-in robust compensator approach
Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), v. 4, 2001, p. 2329-2336
Gan, W.C.; Cheung, N.C.; Qiu, L. Conference paper

2000 9

Limitations on maximal tracking accuracy
IEEE transactions on automatic control, v. 45, (2), 2000, FEB, p. 326-331
Chen, J.; Qiu, L.; Toker, O. Article
Extended argument principle and integral design constraints Part I: A unified formula for classical results
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4984-4989
Chen, J.; Chen, G.; Ren, Z.; Qiu, L. Conference paper
Model validation of multirate systems from time-domain experimental data
Proceedings of the World Congress on Intelligent Control and Automation (WCICA), v. 4, 2000, p. 2835-2840
Chai, L.; Qiu, L. Conference paper
Optimal tracking performance: Preview control and exponential signals
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 2, 2000, p. 1924-1929
Ren, Z.; Chen, J.; Hara, S.; Qiu, L. Conference paper
Properties of matrix polynomials and mimo channel identifiability from second order statistics
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 2000, p. 4302-4307
Ding, Z.; Qiu, L. Conference paper
Robust two degree of freedom regulators for velocity ripple elimination of AC permanent magnet motors
IEEE Conference on Control Applications - Proceedings, v. 1, 2000, p. 156-161
Gan, Wai-Chuen; Qiu, Li Conference paper
Stabilization of linear systems with input constraints
Proceedings of the IEEE Conference on Decision and Control, v. 4, 2000, p. 3272-3277
Qiu, L.; Miller, D.E. Conference paper
Topics on multirate systems: Frequency response, interpolation, model validation
Proceedings of the IEEE Conference on Decision and Control, v. 5, 2000, p. 4290-4295
Chai, L.; Qiu, L. Conference paper
Velocity Ripple Elimination of AC Permanent Motor by Using Internal Model Principle
Proceedings - IPEMC 2000: 3rd International Power Electronics and Motion Control Conference, v. 1, 2000, Article number 885427, p. 346-352
Gan, Waichuen; Qiu, Li Conference paper

1999 4

Multirate sampled-data systems: All H-infinity suboptimal controllers and the minimum entropy controller
IEEE transactions on automatic control, v. 44, (3), 1999, MAR, p. 537-550
Qiu, L.; Chen, TW Article
On performance limitations in estimation
Lecture notes in control and information sciences, v. 245, 1999, p. 147-158
Ren, ZY; Qiu, L.; Chen, J. Article
Time domain characterizations of performance limitations of feedback control
Lecture notes in control and information sciences, v. 241, 1999, p. 397-415
Qiu, L.; Chen, J. Article
Performance limitations in estimation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1999, p. 3204-3209
Ren, Zhiyuan; Qiu, Li; Chen, Jie Conference paper

1998 8

Connection of multiplicative/relative perturbation in coprime factors and gap metric uncertainty
Automatica, v. 34, (5), 1998, MAY, p. 603-607
Gu, GX; Qiu, L. Article
Controllable regions of linear systems with bounded inputs
Systems & control letters, v. 33, (1), 1998, JAN 29, p. 55-61
Hu, TS; Qiu, L. Article
Direct state space solution of multirate sampled-data H-2 optimal control
Automatica, v. 34, (11), 1998, NOV, p. 1431-1437
Qiu, L.; Tan, K. Article
General multirate building structures with application to nonuniform filter banks
IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs, v. 45, (8), 1998, AUG, p. 948-958
Chen, T.; Qiu, L.; Bai, EW Article
On structured perturbation of Hermitian matrices
Linear algebra and its applications, v. 276, 1998, MAY 15, p. 287-314
Hu, TS; Qiu, L. Article
Real perturbation values and real quadratic forms in a complex vector space
Linear algebra and its applications, v. 270, 1998, FEB, p. 131-154
Bernhardsson, B.; Rantzer, A.; Qiu, L. Article
Stabilization of LTI systems with planar anti-stable dynamics using saturated linear feedback
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1998, p. 389-394
Hu, Tingshu; Qiu, Li; Lin, Zongli Article
Unfalsified weighted least squares estimates in set-membership identification
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, v. 45, (1), 1998, p. 41-49
Bai, EW; Qiu, L.; Tempo, R. Article

1997 4

Linear periodically time-varying discrete-time systems: Aliasing and LTI approximations
Systems & control letters, v. 30, (5), 1997, JUN, p. 225-235
Chen, TW; Qiu, L. Article
Controllability and stabilization of unstable LTI systems with input saturation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 5, 1997, p. 4498-4503
Hu, Tingshu; Qiu, Li; Lin, Zongli Conference paper
General multirate building blocks and their application in nonuniform filter banks
Proceedings - IEEE International Symposium on Circuits and Systems, v. 4, 1997, p. 2349-2352
Chen, Tongwen; Qiu, Li; Bai, Erwei Conference paper
Unfalsified weighted least squares estimates in set-membership identification
Proceedings of the American Control Conference, v. 3, 1997, p. 1519-1523
Bai, Er-Wei; Qiu, Li; Tempo, Roberto Conference paper

1996 4

A single sample path-based performance sensitivity formula for Markov chains
IEEE transactions on automatic control, v. 41, (12), 1996, DEC, p. 1814-1817
Cao, XR; Yuan, XM; Qiu, L. Article
On the robustness of symmetric systems
Systems & control letters, v. 27, (3), 1996, MAR 18, p. 187-190
Qiu, L. Article
Complex and real performance radii and their computation
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1851-1856
Hu, TS; Qiu, L. Conference paper
Development of MATLAB tools and case study for multirate control design
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1996, p. 1278-1283
Qiu, L.; Chen, TW; Potvin, A.; Gu, J.; Tan, K.; Sun, Y.; Shu, H. Conference paper

1995 7

A FORMULA FOR COMPUTATION OF THE REAL STABILITY RADIUS
Automatica, v. 31, (6), 1995, JUN, p. 879-890
QIU, L.; BERNHARDSSON, B.; RANTZER, A.; DAVISON, EJ; YOUNG, PM; DOYLE, JC Article
On the computation of the real Hurwitz-stability radius
IEEE transactions on automatic control, v. 40, (8), 1995, p. 1475-1476
Qiu, Li; Tits, Andre L.; Yang, Yaguang Article
Nest algebras, causality constraints, and multirate robust control
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.1-20
Chen, T.; Qiu, Li Book chapter
Robust stability of circuits with multiple uncertain parameters
The Circuits and Filters Handbook, W.-K. Chen, editor-in-chief / Boca Raton, Florida: CRC Press, 1995, p.1363-1371
Qiu, Li Book chapter
Robust stabilization for lp gap perturbations
The IMA Volumes in Mathematics and Its Applications: Robust Control Theory / Edited by B.A. Francis and P.P. Khargonekar, Springer-Verlag, 1995, p.55-80
Qiu, Li; Miller, D.E. Book chapter
On the robustness of symmetric systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1995, p. 2659-2660
Qiu, Li Conference paper
Robust control for `p gap perturbations
1995 European Control Conf., 1995, p.1020-1025
Qiu, Li Conference paper

1994 5

_H∞ design of general multirate sampled-data control systems
Automatica, v. 30, (7), 1994, p. 1139-1152
Chen, T.; Qiu, L. Article
H2-optimal design of multirate sampled-data systems
IEEE transactions on automatic control, v. 39, (12), 1994, p. 2506-2511
Qiu, Li; Chen, Tongwen Article
A necessary and sufficient condition for the robust stability of feedback systems with lp gap uncertainty
1994 Hong Kong International Workshop on New Directions of Control and Manufacturing, 1994, p.178-184
Qiu, Li Conference paper
Multirate sampled-data systems: all H_∞ suboptimal controllers and the minimum entropy controller
Proceedings of the IEEE Conference on Decision and Control, v. 4, 1994, p. 3707-3712
Qiu, Li; Chen, Tongwen Conference paper
On characterizing all multirate controllers that satisfy an H8 norm bound
First Asian Control Conf., 1994, vol.3, p.69-72
Qiu, Li; Chen, T. Conference paper

1993 4

Performance limitations of non-minimum phase systems in the servomechanism problem
Automatica, v. 29, (2), 1993, p. 337-349
Qiu, L.; Davison, E.J. Article
H2 and H∞ designs of multirate sampled-data systems
American Control Conference, 1993, p. 435-440
Qiu, Li; Chen, Tongwen Conference paper
H∞ design of general multirate sampled-data control systems
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1993, p. 315-320
Chen, Tongwen; Qiu, Li Conference paper
On the real structured stability radius
Reprints of the 12th IFAC World Congress, 1993, vol.8, p.71-78
Qiu, Li; Bernhardsson, B.; Rantzer, A.; Davison, E.J.; Young, P.M.; Doyle, J.C. Conference paper

1992 7

A unified approach for the stability robustness of polynomials in a convex set
Automatica, v. 28, (5), 1992, p. 945-959
Qiu, L.; Davison, E.J. Article
Feedback stability under simultaneous gap metric uncertainties in plant and controller
Systems & Control Letters, v.18, 1992, p.9-22
Qiu, Li; Davison, E.J. Article
Pointwise gap metrics on transfer matrices
IEEE Transactions on Automatic Control, v.37, 1992, p.741-758
Qiu, Li; Davison, E.J. Article
The stability robustness of generalized eigenvalues
IEEE transactions on automatic control, v. 37, (6), 1992, p. 886-891
Qiu, L.; Davison, E.J. Article
Bounds on the real stability radius
Robustness of Dynamic Systems with Parameter Uncertainties / Edited by M.Mansour, S.Balemi, and W.Tru?ol, Basel, Switzerland: Birkh?auser Verlag, 1992, p.139-145
Qiu, Li; Davison, E.J. Book chapter
Improved bound on the real stability radius
Proceedings of the American Control Conference, v. 1, 1992, p. 588-589
Qiu, L.; Davison, E.J. Conference paper
Robust stability of feedback systems on Banach spaces
31th IEEE Conf. on Decision and Control, 1992, p.382-383
Qiu, Li Conference paper

1991 2

The stability robustness determination of state space models with real unstructured perturbations
Mathematics of Control, Signals, and Systems; MCSS, v. 4, (3), 1991, p. 247-267
Qiu, L.; Davison, E.J. Article
Robust control under simultaneous plant and controller uncertainties
Control of Uncertain Dynamic Systems / Edited by S.P. Bhattacharyya and L.H. Keel, Boca Raton, Florida: CRC Press, 1991, p.281-295
Qiu, Li; Davison, E.J. Book chapter

1990 4

A new method for the stability robustness determination of state space models with real perturbations
Recent Advances in Robust Control / Edited by P. Dorato and R.K. Yedavalli, Piscataway, New Jersey: IEEE Press, 1990, p.125-130
Qiu, Li; Davison, E.J. Book chapter
Performance limitations of non-minimum phase systems
Reprints of the 11th IFAC World Congress, 1990, vol.2, p.322-327
Qiu, Li; Davison, E.J. Conference paper
Pointwise gap metrics on transfer matrices
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 4, 1990, p. 2431-2436
Qiu, L.; Davison, E.J. Conference paper
Tensor product methods in stability robustness analysis
Proceedings of the American Control Conference, 1990, p. 2527-2532
Qiu, L.; Davison, E.J. Conference paper

1989 4

A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
Systems & control letters, v. 13, (5), 1989, p. 413-420
Qiu, L.; Davison, E.J. Article
A simple procedure for the exact stability robustness computation of polynomials with affine coefficient perturbations
IEEE International Conf. on Systems Engineering, 1989, p.503-507
Qiu, Li; Davison, E.J. Conference paper
Stability robustness of generalized eigenvalues
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 3, 1989, p. 1902-1907
Qiu, L.; Davison, E.J. Conference paper
Unified approach for the stability robustness of polynomials in a convex set
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, v. 1, 1989, p. 30-36
Qiu, L.; Davison, E.J. Conference paper

1988 2

Computation of the stability robustness of large state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 1380-1385
Qiu, L.; Davison, E.J. Conference paper
New method for the stability robustness determination of state space models with real perturbations
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1988, p. 538-543
Qiu, L.; Davison, E.J. Conference paper

1986 1

NEW PERTURBATION BOUNDS FOR THE ROBUST STABILITY OF LINEAR STATE SPACE MODELS.
Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, 1986, p. 751-755
Qiu, L.; Davison, E.J. Conference paper


No Publications






Teaching Assignment

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2021-22 Winter 0 2021-22 Fall 2 2020-21 Summer 0 2020-21 Spring 4 2020-21 Winter 0 2020-21 Fall 3

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ELEC2910 Academic and Professional Development I
ELEC3910 Academic and Professional Development II


ELEC2910 Academic and Professional Development I
ELEC3910 Academic and Professional Development II
ELEC4210 Control System Design
ELEC4900 Final Year Design Project


ELEC2910 Academic and Professional Development I
ELEC3910 Academic and Professional Development II
ELEC5600 Linear-System Theory


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments






Research Postgraduate (RPG) Supervision From January 2019 to December 2022 (As of 30 January 2022)

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All Supervisions Current RPGs Graduated RPGs

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Current RPGs

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Doctor of Philosophy CHEN, Anqi
Electronic and Computer Engineering( 2021 - )

GAO, Qiangsheng
Electronic and Computer Engineering( 2019 - )

ZHANG, Ding
Electronic and Computer Engineering( 2019 - )

LIANG, Jiajin
Electronic and Computer Engineering( 2018 - )

MAO, Xin
Electronic and Computer Engineering( 2017 - )

SRAZHIDINOV, Radik
Electronic and Computer Engineering( 2017 - )

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Master of Philosophy LO, Lap Fung
Electronic and Computer Engineering( 2021 - )

CHENG, Ka Ho
Electronic and Computer Engineering( 2020 - )

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Graduated RPGs

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Doctor of Philosophy CHEN, Chao
Electronic and Computer Engineering( Completed in 2021 )

WANG, Dan
Electronic and Computer Engineering( Completed in 2020 )

MO, Yanfang
Electronic and Computer Engineering( Completed in 2019 )

ZHAO, Di
Electronic and Computer Engineering( Completed in 2019 )

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Master of Philosophy GUO, Taosha
Electronic and Computer Engineering( Completed in 2021 )

SHI, Yifei
Electronic and Computer Engineering( Completed in 2021 )

LIU, Xiyuan
Electronic and Computer Engineering( Completed in 2019 )









ProjectsFrom January 2020 to December 2022

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All Projects 12 Leading Projects 7 Participating Projects 5

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Synchronization of diverse dynamic agents with uniform network controllers


通用網絡控制器下的多樣化智能體同步問題 Leading


RGC - General Research Fund


Project Team (HKUST)
QIU Li (Lead)


2022 -




A Phase Theory for Complex Systems and Its Applications in Cooperative Control of Multi-Mover Transport Systems


復雜系統相位理論應用于多動子物料傳輸系統的協同控制 Leading


Shenzhen Science and Technology Innovation Committee


Project Team (HKUST)
QIU Li (Lead)


2021 -




Network Small Phase Theorem


網路小相位定理 Leading


RGC - General Research Fund


Project Team (HKUST)
QIU Li (Lead)


2021 -




The R&D and Demonstration Application of High Flexibility Full Automatic Handling Equipment for Bulky Rolls: topic#1 Research Study on Intelligent Transmission & High Flexibility Human-Robot Collaboration System


中大型卷料后道高柔性自動化裝備研發及示范應用: 子課題#1 智能化傳動機構及高柔性協同作業系統關鍵技術研究 Participating


Nanhai People's Government of Foshan


Project Team (HKUST)
WANG Michael Yu (Lead)
QIU Li


2021 -




The R&D and Demonstration Application of High Flexibility Full Automatic Handling Equipment for Bulky Rolls: topic#2 Study on the Control Strategies of Intelligent Assist & High Flexibility Human-Robot Collaboration System


中大型卷料后道高柔性自動化裝備研發及示范應用: 子課題#2 智能助力及高柔性協同作業系統控制策略研究 Participating


Nanhai People's Government of Foshan


Project Team (HKUST)
QIU Li
WANG Michael Yu


2021 -




Hong Kong Center of AI, Robotics and Electronics (HK CARE) for Prefabricated Construction


N/A Participating


Innovation and Technology Fund


Project Team (HKUST)
LI Zexiang (Lead)
CHEN Kevin Jing
CHEN Lei
CHEN Qifeng
CHENG Jack Chin Pang
CHENG Tim Kwang-Ting
FAN Zhiyong
LEE Yi-Kuen
LEUNG Winnie Suk Wai
LIU Ming
QIU Li
QUAN Long
SEO Jungwon
SHEN Shaojie
WANG Michael Yu
WANG Yang
ZHANG Qian


2020 -




Development and Industrialization of Intelligent Flexible Welding Workstation


工業機器人智能柔性焊接工作站的研發與產業化 Leading


Nanhai People's Government of Foshan


Project Team (HKUST)
QIU Li (Lead)


2020 -




Phase -- a missing component in MIMO and network system analysis


相位--多變量和網絡系統研究中被遺忘的元素 Leading


RGC - General Research Fund


Project Team (HKUST)
QIU Li (Lead)


2020 -




High Speed and High Accuracy Motion Control Leading


Googol Technology (HK) Limited


Project Team (HKUST)
QIU Li (Lead)


2018 -




Industrial control chip research and development


具備現場通訊功能的工業控制芯片 Participating


Department of Science and Technology of Guangdong Province


Project Team (HKUST)
QIU Li


2018 -




Integrated Networked Control for Massively Many IoT Devices


大規模物聯網設備的集成網絡控制 Participating


Innovation and Technology Fund, Lenovo Group (China) Limited, Schneider Electric


Project Team (HKUST)
QIU Li
SHI Ling


2018 - 2020




Towards a theory of semidefinite cone-invariant systems


半正定錐不變系統理論初步 Leading


RGC - General Research Fund


Project Team (HKUST)
QIU Li (Lead)


2016 - 2020