Molong DUAN
段默龍
PhD in Mechanical Engineering
University of Michigan, 2018

Assistant Professor
Department of Mechanical and Aerospace Engineering



(852) 3469 3024
duan@ust.hk
Room 2570
Personal Web

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Google Scholar
-UxXKzoAAAAJ

ORCID
0000-0001-8624-0133

Scopus ID
56919229200




Research Interest Publications Teaching Assignment




Research Interest

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Control and modeling
Additive manufacturing
Control and robotic systems
Machines and drives
Flexible aircraft



Publications

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All Years 27 2022 0 2021 4 2020 2 2019 4 2018 5 2017 3 2016 9

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Expand All Collapse All


2021 4

A linear hybrid model for enhanced servo error pre-compensation of feed drives with unmodeled nonlinear dynamics
CIRP Annals, v. 70, (1), January 2021, p. 301-304
Chou, Cheng Hao; Duan, Molong; Okwudire, Chinedum E. Article
A Hybrid Filtered Basis Functions Approach for Tracking Control of Linear Systems with Unmodeled Nonlinear Dynamics
IEEE International Conference on Automation Science and Engineering, v. 2021-August, August 2021, p. 1176-1181
Chou, Cheng-Hao; Duan, Molong; Okwudire, Chinedum Conference paper
Maneuver load alleviation of very flexible aircraft via nonlinear decoupling control
AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021, Virtual, 11 - 15 January 2021
Duan, Molong; Kolmanovsky, Ilya V.; Cesnik, Carlos E. Conference paper
Nonlinear control-oriented modeling for very flexible aircraft
AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021, Virtual, 11 - 15 & 19 - 21 January 2021
Duan, Molong; Cesnik, Carlos E.; Kolmanovsky, Ilya V.; Vetrano, Fabio Conference paper

2020 2

Energy optimal control of an over-actuated hybrid feed drive under variable-frequency disturbances —? with application to machining
Control Engineering Practice, v. 100, July 2020, article number 104442
Duan, Molong; Ramani, Keval S.; Okwudire, Chinedum E. Article
Control allocation for maneuver and gust load alleviation of flexible aircraft
AIAA Scitech 2020 Forum, v. 1PartF, January 2020, article number 2020-1186
Hansen, John H.; Duan, Molong; Kolmanovsky, I. V.; Cesnik, C. E. S. Conference paper

2019 4

Analytical and Low-Order Numerical Modeling of Ball-to-Ball Contact Friction in Linear Ball Bearings and Ball Screws
Journal of Tribology, v. 141, (7), July 2019, article number 071401, Paper No: TRIB-18-1443
Lin, Bo; Duan, Molong; Okwudire, Chinedum E. Article
Connections between control allocation and linear quadratic control for weakly redundant systems
Automatica, v. 101, March 2019, p. 96-102
Duan, Molong; Okwudire, Chinedum E. Article
Optimal Selection of Basis Functions for Minimum-Effort Tracking Control of Nonminimum Phase Systems Using Filtered Basis Functions
Journal of Dynamic Systems, Measurement, and Control, v. 141, (11), November 2019, article number 111009, Paper No: DS-18-1094
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A. Galip Article
Maneuver load alleviation of flexible aircraft through control allocation: A case study using X-Hale
International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019, Savannah, USA, 10 - 13 June 2019
Duan, Molong; Hansen, J. H.; Kolmanovsky, I. V.; Cesnik, C. E. S. Conference paper

2018 5

A limited-preview filtered B-spline approach to tracking control – With application to vibration-induced error compensation of a 3D printer
Mechatronics, v. 56, December 2018, p. 287-296
Duan, Molong; Yoon, Deokkyun; Okwudire, Chinedum E. Article
Boosting speed and accuracy in precision motion control: A case for a consistent and versatile feedforward tracking approach
Mechanical Engineering Magazine, v. 140, (9), September 2018, article number ME-2018-SEP7, p. S17-S23
Ramani, Keval S.; Duan, Molong; Yoon, Deokkyun; Okwudire, Chinedum E.; Ulsoy, A. Galip Article
Proxy-Based Optimal Control Allocation for Dual-Input Over-Actuated Systems
IEEE/ASME Transactions on Mechatronics, v. 23, (2), April 2018, p. 895-905
Duan, Molong; Okwudire, Chinedum E. Article
A lifted domain-based metric for performance evaluation of LTI and LTV discrete-time tracking controllers
Proceedings of the International Symposium on Flexible Automation, 2018, v. 2018, July 2018, p. 248-255
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A.Galip Conference paper
An improved analytical model of friction and ball motion in linear ball bearings with application to ball-to-ball contact prediction
ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), v, 4A-2018, January 2019, article number V04AT06A054
Lin, Bo; Duan, Molong; Okwudire, Chinedum E.; Wou, Jason S. Conference paper

2017 3

Tracking Control of Linear Time- Invariant Nonminimum Phase Systems Using Filtered Basis Functions
Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME, v. 139, (1), January 2017, article number 011001, Paper No.: DS-15-1479
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A. Galip Article
A simplified analytical model of rolling/sliding behavior and friction in four-point-contact ball bearings and screws
ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), v. 4A-2017, January 2018, article number UNSP V04AT05A054
Lin, Bo; Duan, Molong; Okwudire, Chinedum E.; Wou, Jason S. Conference paper
Proxy-based optimal dynamic control allocation for multi-input, multi-output over-actuated systems
Proceedings of the ASME 10th Annual Dynamic Systems and Control Conference, 2017, v. 1, November 2017, article number V001T03A005
Duan, Molong; Okwudire, Chinedum Conference paper

2016 6

A trajectory optimization method for improved tracking of motion commands using CNC machines that experience unwanted vibration
CIRP Annals - Manufacturing Technology, v. 65, (1), June 2016, p. 373-376
Okwudire, C.; Ramani, K.; Duan, Molong Article
Energy-efficient controller design for a redundantly actuated hybrid feed drive with application to machining
IEEE/ASME Transactions on Mechatronics, v. 21, (4), August 2016, article number 7328315, p. 1822-1834
Duan, Molong; Okwudire, Chinedum E. Article
Minimum-time cornering for CNC machines using an optimal control method with NURBS parameterization
International Journal of Advanced Manufacturing Technology, v. 85, (5-8), July 2016, p. 1405-1418
Duan, Molong; Okwudire, Chinedum Article
Modeling and observer-based compensation of slip in a friction drive for servo positioning
International Symposium on Flexible Automation, ISFA 2016 / IEEE. New York, NY, USA : IEEE, 2016, p. 45-52, Article no.: 7790134
Duan, Molong; Okwudire, Chinedum E. Conference paper
Near Energy Optimal Control Allocation for Dual-Input Over-Actuated Systems
ASME 2016 Dynamic Systems and Control Conference, DSCC 2016, v. 1, February 2017, article number V001T01A011
Duan, Molong; Okwudire, Chinedum Conference paper
Software-based compensation of vibration-induced errors of a commercial desktop 3D printer
Proceedings - 32nd ASPE Annual Meeting / ASPE. Raleigh, NC, USA : American Society for Precision Engineering (ASPE) , 2016, p. 478-482
Yoon, D.; Duan, Molong; Okwudire, C.E. Conference paper

2015 2

Energy efficiency and performance optimized control of a hybrid feed drive
Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, v. 2, September 2015, article number V002T05A007
Duan, Molong; Okwudire, Chinedum E. Conference paper
Tracking Control of Non-Minimum Phase Systems Using Filtered Basis Functions: A NURBS-Based Approach
Proceedings of the ASME 8th Annual Dynamic Systems and Control Conference, 2015, v. 1, January 2016, article number V001T03A006
Duan, Molong; Ramani, Keval S.; Okwudire, Chinedum E. Conference paper

2014 1

Minimum-time cornering for manufacturing machines using optimal control
ASME 2014 Dynamic Systems and Control Conference, v. 1, October 2014, article number DSCC2014-6143
Duan, Molong; Okwudire, Chinedum E. Conference paper


Expand All Collapse All


Article 1

A linear hybrid model for enhanced servo error pre-compensation of feed drives with unmodeled nonlinear dynamics
CIRP Annals, v. 70, (1), January 2021, p. 301-304
Chou, Cheng Hao; Duan, Molong; Okwudire, Chinedum E.

Conference paper 3

A Hybrid Filtered Basis Functions Approach for Tracking Control of Linear Systems with Unmodeled Nonlinear Dynamics
IEEE International Conference on Automation Science and Engineering, v. 2021-August, August 2021, p. 1176-1181
Chou, Cheng-Hao; Duan, Molong; Okwudire, Chinedum
Maneuver load alleviation of very flexible aircraft via nonlinear decoupling control
AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021, Virtual, 11 - 15 January 2021
Duan, Molong; Kolmanovsky, Ilya V.; Cesnik, Carlos E.
Nonlinear control-oriented modeling for very flexible aircraft
AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021, Virtual, 11 - 15 & 19 - 21 January 2021
Duan, Molong; Cesnik, Carlos E.; Kolmanovsky, Ilya V.; Vetrano, Fabio


Expand All Collapse All


Article 1

Energy optimal control of an over-actuated hybrid feed drive under variable-frequency disturbances —? with application to machining
Control Engineering Practice, v. 100, July 2020, article number 104442
Duan, Molong; Ramani, Keval S.; Okwudire, Chinedum E.

Conference paper 1

Control allocation for maneuver and gust load alleviation of flexible aircraft
AIAA Scitech 2020 Forum, v. 1PartF, January 2020, article number 2020-1186
Hansen, John H.; Duan, Molong; Kolmanovsky, I. V.; Cesnik, C. E. S.


Expand All Collapse All


Article 3

Analytical and Low-Order Numerical Modeling of Ball-to-Ball Contact Friction in Linear Ball Bearings and Ball Screws
Journal of Tribology, v. 141, (7), July 2019, article number 071401, Paper No: TRIB-18-1443
Lin, Bo; Duan, Molong; Okwudire, Chinedum E.
Connections between control allocation and linear quadratic control for weakly redundant systems
Automatica, v. 101, March 2019, p. 96-102
Duan, Molong; Okwudire, Chinedum E.
Optimal Selection of Basis Functions for Minimum-Effort Tracking Control of Nonminimum Phase Systems Using Filtered Basis Functions
Journal of Dynamic Systems, Measurement, and Control, v. 141, (11), November 2019, article number 111009, Paper No: DS-18-1094
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A. Galip

Conference paper 1

Maneuver load alleviation of flexible aircraft through control allocation: A case study using X-Hale
International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019, Savannah, USA, 10 - 13 June 2019
Duan, Molong; Hansen, J. H.; Kolmanovsky, I. V.; Cesnik, C. E. S.


Expand All Collapse All


Article 3

A limited-preview filtered B-spline approach to tracking control – With application to vibration-induced error compensation of a 3D printer
Mechatronics, v. 56, December 2018, p. 287-296
Duan, Molong; Yoon, Deokkyun; Okwudire, Chinedum E.
Boosting speed and accuracy in precision motion control: A case for a consistent and versatile feedforward tracking approach
Mechanical Engineering Magazine, v. 140, (9), September 2018, article number ME-2018-SEP7, p. S17-S23
Ramani, Keval S.; Duan, Molong; Yoon, Deokkyun; Okwudire, Chinedum E.; Ulsoy, A. Galip
Proxy-Based Optimal Control Allocation for Dual-Input Over-Actuated Systems
IEEE/ASME Transactions on Mechatronics, v. 23, (2), April 2018, p. 895-905
Duan, Molong; Okwudire, Chinedum E.

Conference paper 2

A lifted domain-based metric for performance evaluation of LTI and LTV discrete-time tracking controllers
Proceedings of the International Symposium on Flexible Automation, 2018, v. 2018, July 2018, p. 248-255
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A.Galip
An improved analytical model of friction and ball motion in linear ball bearings with application to ball-to-ball contact prediction
ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), v, 4A-2018, January 2019, article number V04AT06A054
Lin, Bo; Duan, Molong; Okwudire, Chinedum E.; Wou, Jason S.


Expand All Collapse All


Article 1

Tracking Control of Linear Time- Invariant Nonminimum Phase Systems Using Filtered Basis Functions
Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME, v. 139, (1), January 2017, article number 011001, Paper No.: DS-15-1479
Ramani, Keval S.; Duan, Molong; Okwudire, Chinedum E.; Ulsoy, A. Galip

Conference paper 2

A simplified analytical model of rolling/sliding behavior and friction in four-point-contact ball bearings and screws
ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), v. 4A-2017, January 2018, article number UNSP V04AT05A054
Lin, Bo; Duan, Molong; Okwudire, Chinedum E.; Wou, Jason S.
Proxy-based optimal dynamic control allocation for multi-input, multi-output over-actuated systems
Proceedings of the ASME 10th Annual Dynamic Systems and Control Conference, 2017, v. 1, November 2017, article number V001T03A005
Duan, Molong; Okwudire, Chinedum


Expand All Collapse All


Article 3

A trajectory optimization method for improved tracking of motion commands using CNC machines that experience unwanted vibration
CIRP Annals - Manufacturing Technology, v. 65, (1), June 2016, p. 373-376
Okwudire, C.; Ramani, K.; Duan, Molong
Energy-efficient controller design for a redundantly actuated hybrid feed drive with application to machining
IEEE/ASME Transactions on Mechatronics, v. 21, (4), August 2016, article number 7328315, p. 1822-1834
Duan, Molong; Okwudire, Chinedum E.
Minimum-time cornering for CNC machines using an optimal control method with NURBS parameterization
International Journal of Advanced Manufacturing Technology, v. 85, (5-8), July 2016, p. 1405-1418
Duan, Molong; Okwudire, Chinedum

Conference paper 3

Modeling and observer-based compensation of slip in a friction drive for servo positioning
International Symposium on Flexible Automation, ISFA 2016 / IEEE. New York, NY, USA : IEEE, 2016, p. 45-52, Article no.: 7790134
Duan, Molong; Okwudire, Chinedum E.
Near Energy Optimal Control Allocation for Dual-Input Over-Actuated Systems
ASME 2016 Dynamic Systems and Control Conference, DSCC 2016, v. 1, February 2017, article number V001T01A011
Duan, Molong; Okwudire, Chinedum
Software-based compensation of vibration-induced errors of a commercial desktop 3D printer
Proceedings - 32nd ASPE Annual Meeting / ASPE. Raleigh, NC, USA : American Society for Precision Engineering (ASPE) , 2016, p. 478-482
Yoon, D.; Duan, Molong; Okwudire, C.E.


Expand All Collapse All


Conference paper 2

Energy efficiency and performance optimized control of a hybrid feed drive
Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, v. 2, September 2015, article number V002T05A007
Duan, Molong; Okwudire, Chinedum E.
Tracking Control of Non-Minimum Phase Systems Using Filtered Basis Functions: A NURBS-Based Approach
Proceedings of the ASME 8th Annual Dynamic Systems and Control Conference, 2015, v. 1, January 2016, article number V001T03A006
Duan, Molong; Ramani, Keval S.; Okwudire, Chinedum E.


Expand All Collapse All


Conference paper 1

Minimum-time cornering for manufacturing machines using optimal control
ASME 2014 Dynamic Systems and Control Conference, v. 1, October 2014, article number DSCC2014-6143
Duan, Molong; Okwudire, Chinedum E.


Expand All Collapse All


2016 6

A trajectory optimization method for improved tracking of motion commands using CNC machines that experience unwanted vibration
CIRP Annals - Manufacturing Technology, v. 65, (1), June 2016, p. 373-376
Okwudire, C.; Ramani, K.; Duan, Molong Article
Energy-efficient controller design for a redundantly actuated hybrid feed drive with application to machining
IEEE/ASME Transactions on Mechatronics, v. 21, (4), August 2016, article number 7328315, p. 1822-1834
Duan, Molong; Okwudire, Chinedum E. Article
Minimum-time cornering for CNC machines using an optimal control method with NURBS parameterization
International Journal of Advanced Manufacturing Technology, v. 85, (5-8), July 2016, p. 1405-1418
Duan, Molong; Okwudire, Chinedum Article
Modeling and observer-based compensation of slip in a friction drive for servo positioning
International Symposium on Flexible Automation, ISFA 2016 / IEEE. New York, NY, USA : IEEE, 2016, p. 45-52, Article no.: 7790134
Duan, Molong; Okwudire, Chinedum E. Conference paper
Near Energy Optimal Control Allocation for Dual-Input Over-Actuated Systems
ASME 2016 Dynamic Systems and Control Conference, DSCC 2016, v. 1, February 2017, article number V001T01A011
Duan, Molong; Okwudire, Chinedum Conference paper
Software-based compensation of vibration-induced errors of a commercial desktop 3D printer
Proceedings - 32nd ASPE Annual Meeting / ASPE. Raleigh, NC, USA : American Society for Precision Engineering (ASPE) , 2016, p. 478-482
Yoon, D.; Duan, Molong; Okwudire, C.E. Conference paper

2015 2

Energy efficiency and performance optimized control of a hybrid feed drive
Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, v. 2, September 2015, article number V002T05A007
Duan, Molong; Okwudire, Chinedum E. Conference paper
Tracking Control of Non-Minimum Phase Systems Using Filtered Basis Functions: A NURBS-Based Approach
Proceedings of the ASME 8th Annual Dynamic Systems and Control Conference, 2015, v. 1, January 2016, article number V001T03A006
Duan, Molong; Ramani, Keval S.; Okwudire, Chinedum E. Conference paper

2014 1

Minimum-time cornering for manufacturing machines using optimal control
ASME 2014 Dynamic Systems and Control Conference, v. 1, October 2014, article number DSCC2014-6143
Duan, Molong; Okwudire, Chinedum E. 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 0 2020-21 Winter 0 2020-21 Fall 0

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MECH4000O Introduction to Additive Manufacturing and Rapid Prototyping
MECH4900 Final Year Design Project


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments









ProjectsFrom January 2020 to December 2022

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