T. Liu

B.Sc. (Eng.), Ph.D.
Email:
Web:
Tel.: 3917 4577
Office: CB 517

T. Liu

Assistant Professor

Research Interests

Power system stability analysis, Complex dynamical networks, Distributed control, Event-triggered control, Switched systems.
Dr. Tao Liu received his B.E. degree from Northeastern University, China, in 2003 and his Ph.D. degree from the Australian National University (ANU), Australia, in 2011. From 2012 to 2015, he had worked as a Post-doctoral Fellow in ANU, University of Groningen, and University of Hong Kong (HKU), respectively. He also held a visiting scholar position in the Centre for Future Energy Networks, University of Sydney in 2012. He became a Research Assistant Professor in 2015 in HKU and was promoted to an Assistant Professor in the Department of Electrical and Electronic Engineering in 2019.
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Selected Publications

Y. Song, D.J. Hill and T. Liu, “On extension of effective resistance with application to graph Laplacian definiteness and power network stability,” accepted by? IEEE Trans. Circuits and Systems I, July 2019.
Y. Song, Y. Zheng, T. Liu, S. Lei, and D.J. Hill, “A new formulation of distribution network reconfiguration for reducing the voltage volatility induced by distributed generation,” accepted by? IEEE Trans. Power Systems, DOI: 10.1109/TPWRS.2019.**, July 2019.
Y. Song, D.J. Hill and T. Liu, “Impact of connection topology on the stability of inverter-based microgrids,” accepted by? IEEE Trans. Power Systems, DOI: 10.1109/TPWRS.2019.**, April 2019.
K. Liu, T. Liu, Z. Tang, and D.J. Hill, “Distributed MPC-based frequency control in networked microgrids with voltage constraints,” accepted by IEEE Trans. Smart Grid, Feb. 2019.
Y. Song, D.J. Hill and T. Liu, “Static voltage stability analysis of distribution systems based on network-load admittance ratio,” IEEE Trans. Power Systems, vol. 34(3), pp. 2270-2280, May 2019.
Z. Tang, D.J. Hill and T. Liu, “Fast distributed reactive power control for voltage regulation in distribution networks,” IEEE Trans. on Power Systems, vol. 34(1), pp. 802-803, January 2019.
Y. Song, D.J. Hill and T. Liu, “State-in-mode analysis of the power flow Jacobian for static voltage stability,” International Journal of Electrical Power and Energy Systems, vol. 105, pp. 671-678, 2019.
C. Zhang, T. Liu and D.J. Hill, “Switched distributed load-side frequency control of power systems,” International Journal of Electrical Power and Energy Systems, vol. 105, pp. 709-716, 2019.
C. Zhang, T. Liu and D.J. Hill, “Granular load-side frequency control with electric spring aggregators and leader-follower consensus,” IET Generation, Transmission & Distribution, vol. 13(9), pp. 1700-1708, Jun. 2019.
Y. Zheng, D.J. Hill, T. Liu and K. Meng, “Supplementary frequency regulation with multiple virtual energy storage system aggregators,” accepted by Electric Power Components and Systems, Sept 2018.
S. Du, T. Liu and D.W.C. Ho, “Dynamic event-triggered control for leader-following consensus of multiagent systems,” accepted by IEEE Trans. Systems Man and Cybernetics: Systems, Aug 2018.
T. Yang, T. Liu, J. Chen, S. Yan and S.Y.R. Hui, “Dynamic modular modelling of smart loads associated with electric springs and control,” IEEE Trans. Power Electronics, vol. 33(12), pp. 10071-10085, Dec. 2018.
O. Megel, T. Liu, D.J. Hill and G. Andersson, “Distributed secondary frequency control algorithm considering storage efficiency,” IEEE Trans. Smart Grid, vol. 9(6), pp. 6214-6228, Nov. 2018.
Y. Song, D.J. Hill and T. Liu, “Characterization of cutsets in networks with applications to transient stability analysis of power systems,” IEEE Trans. Control of Network Systems, vol. 5(3), pp. 1261-1274, 2018.
Y. Song, D.J. Hill and T. Liu, “Network-based analysis of small-disturbance angle stability of power systems,” IEEE Trans. Control of Network Systems, vol. 5(3), pp. 901-912, 2018.
Z. Tang, D.J. Hill and T. Liu, “A novel consensus-based economic dispatch for microgrids,” IEEE Trans. Smart Grid, vol. 9(4), pp.3920-39212, 2018.
Z. Tang, D.J. Hill, T. Liu and H. Ma, “Hierarchical voltage control of weak subtransmission networks with high penetration of wind power,” IEEE Trans. Power Systems, vol. 33(1), pp. 187-197, 2018.
T. Liu, M. Cao, C. De Persis and J. Hendrickx, “Distributed event-triggered control for asymptotic synchronization of dynamical networks,” Automatica, vol. 86, pp. 199-204, 2017.
Y. Song, D.J. Hill, T. Liu and Y. Zheng, “A distributed framework for stability evaluation and enhancement of inverter-based microgrids,” IEEE Trans. Smart Grid, vol. 8, pp. 3020-3034, 2017.
B. Liu, D.J. Hill and T. Liu, “Exponential input-to-state stability under events for hybrid dynamical networks with coupling time-delays,” Journal of the Franklin Institute, vol. 354, pp. 7476-7503, 2017.
Z. Tang, D.J. Hill and T. Liu, “Two-stage voltage control of subtransmission networks with high penetration of wind power,” Control Engineering Practice, vol. 62, pp. 1-10, 2017.
Y. Zheng, D.J. Hill and T. Liu, “Modelling and control for future grids with large renewable energies,” Southern Power System Technology, vol. 11(10), pp. 87-95, 2017.
T. Liu, D.J. Hill and C. Zhang, “Non-disruptive load-side control for frequency regulation in power systems,” IEEE Trans. Smart Grid, vol. 7(4), pp. 2142-2153, 2016.
T. Liu, D.J. Hill and J. Zhao, “Output synchronization of dynamical networks with incrementally-dissipative nodes and switching topology,” IEEE Trans. Circuits and Systems-I, vol. 62(9), pp. 2312-2323, 2015.
B. Liu, T. Liu and C.X. Dou, “Stability of discrete-time delayed impulsive linear systems with application to multi-tracking,” International Journal of Control, vol. 87(5), pp. 911-924, 2014.
T. Liu, D.J. Hill and J. Zhao, “Synchronization of dynamical networks by network control,” IEEE Trans. Automatic Control, vol. 57(6), pp. 1574-1580, 2012.
J. Zhao, D.J. Hill and T. Liu, “Global bounded synchronization of general dynamical networks with nonidentical nodes”, IEEE Trans. Automatic Control, vol. 57 (10), pp. 2656-2662, 2012.
J. Zhao, D.J. Hill and T. Liu, “Global Stability of dynamical networks with non-identical nodes: A multiple V-Lyapunov function method,” Automatica, vol. 47, pp. 2615-2625, 2011.
J. Zhao, D.J. Hill and T. Liu, “Synchronization of dynamical networks with non-identical nodes: Criteria and control”, IEEE Trans. Circuits and Systems I, vol. 58(3), pp. 584-594, 2011.
T. Liu, J. Zhao and D.J. Hill, “Exponential synchronization of complex delayed dynamical networks with switching topology,” IEEE Trans. Circuits and Systems I, vol. 57(11), pp. 2967-2980, 2010.
J. Zhao, D.J. Hill and T. Liu, “Synchronization of complex dynamical networks with switching topology: A switched system point of view,” Automatica, vol. 45, pp. 2502-2511, 2009.
T. Liu, J. Zhao and D.J. Hill, “Synchronization of complex delayed dynamical networks with nonlinearly coupled nodes,” Chaos, Solitons and Fractals, vol. 40, pp. 1506-1519, 2009.
T. Liu, G.M. Dimirovski and J. Zhao, Exponential synchronization of complex delayed dynamical networks with general topology, Physica A, vol. 387, pp. 643-652, 2008.

Last updated: September 9th, 2019