City University of Hong Kong (2024)

Prof. LIU, Lu

Professor

Research Interest

Networked Systems and Control

Multi-Robot Systems and Control

Unmanned Systems

Nonlinear Control and Applications

Intelligent Control

Biomedical Devices

Phone:	+852 3442-5426
Email:	luliu45@cityu.edu.hk
Address:	YEUNG-Y6612

Lecturer, The University of Nottingham, United Kingdom
Assistant Professor, The University of Tokyo, Japan

Ph. D., Mechanical and Automation Engineering, Chinese University of Hong Kong
M. Phil, Automation and Computer-Aided Engineering, Chinese University of Hong Kong
B.Eng, Automation Engineering, Northwestern Polytechnical University, China

World’s Top 2% of Most-Cited Scientists, Career and Every Single Year since 2020 (according to an index compiled by Stanford University)
Outstanding Teaching Performance Recognition, City University of Hong Kong, 2023
NSFC Excellent Young Scientists Fund (Hong Kong and Macao), 2022
Outstanding Research Award for Junior Faculty, City University of Hong Kong, 2020
Outstanding Research Award for Junior Faculty, City University of Hong Kong, 2020
Outstanding Teaching Award of the College of Engineering, City University of Hong Kong, 2020
Outstanding Supervisor Award, City University of Hong Kong, 2019
Outstanding Supervisor Award, City University of Hong Kong, 2018
Best Paper Award, the 13th World Congress on Intelligent Control and Automation, 2018
Zhang Si-Ying (CCDC) Outstanding Youth Paper Award, the 30th Chinese Control and Decision Conference, 2018
The President’s Award, City University of Hong Kong, 2018
Outstanding Reviewer, IEEE Transactions on Cybernetics, 2017
Shimemura Young Author Award, the 11th Asian Control Conference, 2017
Outstanding Supervisor Award, City University of Hong Kong, 2017
Best Paper Award (Guan Zhaozhi Award), Chinese Control Conference, 2008
Best Presentation Award, American Control Conference, 2007

Tianyu Liu

Research Tuition Scholarship 2022-23

Rong Zhao

Outstanding Academic Performance Award for Research Degree Students, 2022-23
Outstanding Academic Performance Award for Research Degree Students, 2020-21
Research Tuition Scholarship 2020-21

Yahui Hao

Outstanding Academic Performance Award for Research Degree Students, 2022-23
Outstanding Academic Performance Award for Research Degree Students, 2020-21
Research Tuition Scholarship 2020-21

Yangyang Qian (Graduated, 2019)

Research Tuition Scholarship, 2016/17

Liya Dou (Graduated, 2019)

Outstanding Academic Performance Award for Research Degree Students, 2016-17

Xiao Yu (Graduated, 2016)

Outstanding Academic Performance Award for Research Degree Students, 2015-16

Wenfeng Hu (Graduated, 2016)

Outstanding Academic Performance Award for Research Degree Students, 2015-16
Outstanding Academic Performance Award for Research Degree Students, 2014-15
Research Tuition Scholarship 2015/16

Journal Editorship

Associate Editor, IEEE Transactions on Fuzzy Systems
Associate Editor, IEEE Robotics and Automation Letters
Associate Editor, IEEE Transactions on Cybernetics
Associate Editor, Unmanned Systems
Associate Editor, Control Theory and Technology
Associate Editor, Transactions of the Institute of Measurement and Control
Guest Editor, a Special Issue of Unmanned Systems

Conference Organization

Invited Session Organizer and Chair, the 62nd IEEE Conference on Decision and Control (CDC), Singapore, Dec. 13-15, 2023
International Program Committee member (with the specific role to support young researchers), the 2023 International Federation of Automatic Control (IFAC) World Congress, Yokohama, Japan, July 9-14, 2023
Associate Editor, the Conference Editorial Board (CEB) of the IEEE Robotics and Automation Society for ICRA, London, UK, May 29-June 2, 2023
Women in Engineering (WIE) Chair, the 9th International Conference on Control, Automation and Robotics (ICCAR), Beijing, China, April 21-23, 2023
Associate Editor, the 17th International Conference on Control, Automation, Robotics and Vision (ICARCV), Singapore, Dec. 11-13, 2022
Associate Editor, the 10th IFAC Symposium on Robust Control Design (ROCOND), Kyoto, Japan, Aug. 30-Sept. 2, 2022
Regional Co-Chair, the 2022 International Conference on Control, Automation and Systems (ICCAS), Busan, Korea, Oct. 23-26, 2022
Associate Editor, the 10th IFAC Symposium on Robust Control Design (ROCOND), Kyoto, Japan, Aug. 30-Sept. 2, 2022
Invited Session Organizer, the 41st Chinese Control Conference, Hefei, China, July 25-27, 2022
General Chair, the 18th IEEE International Conference on Control and Automation (ICCA22), Naples, Italy, June 27-30, 2022
Associate Editor, the 2022 IEEE International Conference on Robotics and Automation (ICRA 2022), Philadelphia (PA), USA, May 23-27, 2022
Program Chair, the 11th International Conference on Intelligent Control and Information Processing (ICICIP 2021), Dali, China, Dec. 3-7, 2021

Y. Hao and L. Liu*, “Event-Triggered Consensus of Uncertain Euler-Lagrange Multiagent Systems Over Jointly Connected Digraphs,” IEEE Transactions on Cybernetics, June 2023. DOI: 10.1109/TCYB.2023.3282703
P. Wang, C. Song, and L. Liu*, “Coverage Control for Mobile Sensor Networks with Unknown Terrain Roughness and Nonuniform Time-Varying Delays,” SCIENCE CHINA Information Sciences, Apr. 2023.
J. Zhang, L. Liu*, X. Wang, and H. Ji, “Distributed Optimal Coordination of Uncertain Nonlinear Multi-Agent Systems over Unbalanced Directed Networks via Output Feedback,” International Journal of Robust and Nonlinear Control, vol. 33, no. 16, pp. 10046-10063, Nov. 2023. DOI: 10.1002/rnc.6887
P. Wang, C. Song, and L. Liu*, “Coverage Control for Mobile Sensor Networks with Double-Integrator Dynamics and Unknown Disturbances,” IEEE Transactions on Automatic Control, vol. 68, no. 10, pp. 6299-6306, Oct. 2023. DOI: 10.1109/TAC.2022.3232056
B. Zheng, C. Song, and L. Liu*, “Cyclic-Pursuit-Based Circular Formation Control of Mobile Agents with Limited Communication Ranges and Communication Delays,” IEEE/CAA Journal of Automatica Sinica, vol. 10, no. 9, pp. 1860-1870, Sept. 2023.
W. Chen, R. Zhao, L. Liu*, and G. Liu, “Consensus Control of Discrete-Time Multi-Agent Systems over Correlated Fading Channels: A Compressed Coding Scheme,” IEEE Transactions on Systems, Man, and Cybernetics: Systems, vol. 53, no. 9, pp. 5760-5771, accepted, Sept. 2023. DOI: 10.1109/TSMC.2023.3274294
J. Zhang, L. Liu*, X. Wang, and H. Ji, “Fully Distributed Algorithm for Resource Allocation over Unbalanced Directed Networks without Global Lipschitz Condition,” IEEE Transactions on Automatic Control, vol. 68, no. 8, pp. 5119-5126, Aug. 2023. DOI: 10.1109/TAC.2022.3216972
Y. Wu and L. Liu*, “Finite-Time Distributed Average Tracking for a Class of Nonlinear Multi-Agent Systems with External Disturbances,” IEEE Transactions on Systems, Man, and Cybernetics: Systems, vol. 53, no. 8, pp. 5106-5115, Aug. 2023. DOI: 10.1109/TSMC.2023.3261347
Y. Hao, J. Zhang, and L. Liu*, “Fully Distributed Event-Triggered Cooperative Output Regulation of Multi-Agent Systems under Jointly Connected Digraphs,” IEEE Transactions on Automatic Control, vol. 68, no. 7, pp. 4241-4248, July 2023. DOI: 10.1109/TAC.2022.3200961
X. Xu, L. Liu*, M. Krstic, and G. Feng, “Low-Gain Compensation for PDE-ODE Cascade Systems with Distributed Diffusion and Counter-Convection,” IEEE Transactions on Automatic Control, vol. 68, no. 4, pp. 2360-2367, Apr. 2023. DOI: 10.1109/TAC.2022.3170371
X. Xu, L. Liu*, M. Krstic, and G. Feng, “Stabilization of Chains of Linear Parabolic PDE-ODE Cascades,” Automatica, vol. 148, 110763, Feb. 2023.
M. Lu and L. Liu*, “Robust Synchronization Control of Switched Networked Euler-Lagrange Systems,” IEEE Transactions on Cybernetics, vol. 52, no. 7, pp. 6834-6842, July 2022.
R. Yang, L. Liu*, and G. Feng, “An Overview of Recent Advances in Distributed Coordination of Multi-Agent Systems,” Unmanned Systems, vol. 20, no. 3, pp. 307-325, July 2022.
R. Zhao, L. Liu*, and G. Feng, “Finite Frequency H-/H-infinite Memory Fault Detection Filtering Design for Uncertain Takagi-Sugeno Fuzzy Affine Systems,” IEEE Transactions on Fuzzy Systems, vol. 30, no. 7, pp. 2595-2609, July 2022.
M. Guo, D. Xu, and L. Liu*, “Design of Cooperative Output Regulators for Heterogeneous Uncertain Nonlinear Multi-Agent Systems,” IEEE Transactions on Cybernetics, vol. 52, no. 6, pp. 5174-5183, June 2022.
J. Zhang, L. Liu*, and H. Ji, “Optimal Output Consensus of Second-Order Uncertain Nonlinear Systems on Weight-Unbalanced Directed Networks,” International Journal of Robust and Nonlinear Control, vol. 32, no. 8, pp. 4878-4898, May 2022.
X. Xu, L. Liu*, M. Krstic, and G. Feng, “Predictor Feedback and Integrator Backstepping of Linear Systems with Distributed Unbounded Delays,” International Journal of Robust and Nonlinear Control, vol. 32, no. 6, pp. 3281-3291, April 2022.
X. Xu, L. Liu*, M. Krstic, and G. Feng, “Stability Analysis and Predictor Feedback Control for Systems with Unbounded Delays,” Automatica, vol. 135, 109958, Jan. 2022.
L. Dou, X. Yu, L. Liu, X. Wang, and G. Feng, “Moving-Target Enclosing Control for Mobile Agents with Collision Avoidance,” IEEE Transactions on Control of Network Systems, vol. 8, no. 4, pp. 1669-1679, Dec. 2021.
Y. Wu and L. Liu*, “Finite-Time Output Regulation for a Class of Nonlinear Multi-Agent Systems with Unity Relative Degree,” International Journal of Robust and Nonlinear Control, vol. 31, no. 8, pp. 6210-6232, Aug. 2021.
M. Lu and L. Liu*, “Consensus of Heterogeneous Second-Order Nonlinear Uncertain Multi-Agent Systems Under Switching Networks,” IEEE Transactions on Automatic Control, vol. 66, no. 7, pp. 3331-3338, July 2021.
Y. Qian, L. Liu*, and G. Feng, “Event-Triggered Robust Output Regulation of Uncertain Linear Systems with Unknown Exosystems,” IEEE Transactions on Systems, Man, and Cybernetics: Systems, vol. 51, no. 7, pp. 4139-4148, July 2021.
R. Zhao, L. Liu*, and G. Feng, “H-/H-infinite Memory Fault Detection Filtering Design for Uncertain Systems with Finite Frequency Specifications,” International Journal of Robust and Nonlinear Control, vol. 31, no. 11, pp. 5381-5403, July 2021.
Y. Qian, L. Liu*, and G. Feng, “Cooperative Output Regulation of Linear Multi-Agent Systems: An Event-Triggered Adaptive Distributed Observer Approach,” IEEE Transactions on Automatic Control, vol. 66, no. 2, pp. 833-840, Feb. 2021.
J. Hu, H. Zhang, L. Liu, X. Zhu, C. Zhao, and Q. Pan, “Convergent Multi-Agent Formation Control with Collision Avoidance,” IEEE Transactions on Robotics, vol. 36, no. 6, pp. 1805-1818, Dec. 2020. DOI: 10.1109/TRO.2020.2998766
L. Dou, C. Song, X. Wang, L. Liu*, and G. Feng, “Target Localization and Enclosing Control for Networked Mobile Agents with Bearing Measurements,” Automatica, vol. 118, August 2020. DOI: 10.1016/j.automatica.2020.109022.
A. Wang, L. Liu*, J. Qiu, and G. Feng, “Event-Triggered Adaptive Fuzzy Output Feedback Control for Nonstrict-Feedback Nonlinear Systems with Asymmetric Output Constraint,” IEEE Transactions on Cybernetics. DOI: 10.1109//TCYB.2020.2974775
A. Wang, L. Liu*, J. Qiu, and G. Feng, “Fuzzy Adaptive Finite-Time Fault-Tolerant Control for Strict-Feedback Nonlinear Systems,” IEEE Transactions on Fuzzy Systems. DOI: 10.1109/TFUZZ.2020.2965890
X. Xu, L. Liu, and G. Feng, “Stability and Stabilization of Infinite Delay Systems: A Lyapunov Based Approach,” IEEE Transactions on Automatic Control, vol. 65, no. 11, pp. 4509-4524, Nov. 2020. DOI: 10.1109/TAC.2019.2958557.
M. Lu and L. Liu*, “Quantized Output Regulation of Minimum-Phase Linear Uncertain Systems,” International Journal of Robust and Nonlinear Control, in press, Sept. 2020. DOI: 10.1002/RNC.5157
Y. Qian, L. Liu*, and G. Feng, “Event-Triggered Robust Output Regulation of Uncertain Linear Systems with Unknown Exosystems,” IEEE Transactions on Systems, Man, and Cybernetics. DOI: 10.1109/TSMC.2019.2931752
Y. Qian, L. Liu*, and G. Feng, “Distributed Dynamic Event-Triggered Control for Cooperative Output Regulation of Linear Multiagent Systems,” IEEE Transactions on Cybernetics, vol. 50, no. 7, pp.3023-3032, July 2020. DOI: 10.1109/TCYB.2019.2905931
M. Lu and L. Liu*, “Robust Output Consensus of Networked Heterogeneous Nonlinear Systems by Distributed Output Regulation,” Automatica, accepted, Mar. 2018. DOI: 10.1109/TAC.2017.2771318
Y. Qian, L. Liu*, and G. Feng, “Distributed Event-Triggered Adaptive Control for Consensus of Linear Multi-Agent Systems with External Disturbances,” IEEE Transactions on Cybernetics, vol. 50, no. 5, pp. 2197-2208, May 2020. DOI: 10.1109/TCYB.2018.2881484
Y. Qian, L. Liu*, and G. Feng, “Cooperative Output Regulation of Linear Multi-Agent Systems: An Event-Triggered Adaptive Distributed Observer Approach,” IEEE Transactions on Automatic Control, DOI: 10.1109/TAC.2020.2985947
M. Lu and L. Liu*, “Leader-Following Attitude Consensus of Multiple Rigid Spacecraft Systems under Switching Networks,” IEEE Transactions on Automatic Control, vol. 65, no. 2, pp. 839-845，Feb. 2020. DOI: 10.1109/TAC.2019.2920074
X. Xu, L. Liu, and G. Feng, “Consensus of Linear Multi-Agent Systems with Distributed Infinite Transmission Delays: A Low Gain Approach,” IEEE Transactions on Automatic Control, vol. 65, no. 2, pp. 809-816，Feb. 2020. DOI: 10.1109/TAC.2019.2918119
M. Lu and L. Liu*, “Leader-Following Consensus of Multiple Uncertain Euler-Lagrange Systems with Unknown Dynamic Leader,” IEEE Transactions on Automatic Control, vol. 64, no. 10, pp. 4167-4173, Oct. 2019. DOI: 10.1109/TAC.2019.2892384
X. Xu, L. Liu, and G. Feng, “Semi-Global Stabilization of Linear Systems with Distributed Infinite Input Delays and Actuator Saturations,” Automatica, vol. 107, no. 6, pp. 398-405, Sept. 2019. DOI: 10.1016/j.automatica.2019.06.005
A. Wang, L. Liu*, J. Qiu, and G. Feng, “Event-Triggered Robust Adaptive Fuzzy Control for a Class of Nonlinear Systems,” IEEE Transactions on Fuzzy Systems, vol. 27, no. 8, pp. 1648-1658, Aug. 2019. DOI: 10.1109/TFUZZ.2018.2886158
M. Lu, L. Liu*, and G. Feng, “Adaptive Tracking Control of Uncertain Euler-Lagrange Systems Subject to External Disturbances,” Automatica, vol. 104, no. 6, pp. 207-219, June 2019. DOI: 10.1016/j.automatica.2019.02.048
Y. Qian, L. Liu*, and G. Feng, “Output Consensus of Heterogeneous Linear Multi-Agent Systems with Adaptive Event-Triggered Control,” IEEE Transactions on Automatic Control, vol. 64, no. 6, pp. 2606-2613, June 2019. DOI: 10.1109/TAC.2018.2868997
W. Hu, L. Liu*, and G. Feng, “Event-Triggered Cooperative Output Regulation of Linear Multi-Agent Systems under Jointly Connected Topologies,” IEEE Transactions on Automatic Control, vol. 64, no. 3, pp. 1317-1322, Mar. 2019. DOI: 10.1109/TAC.2018.2849587
M. Meng, L. Liu*, and G. Feng, “Adaptive Output Regulation of Heterogeneous Multi-Agent Systems under Markovian Switching Topologies,” IEEE Transactions on Cybernetics, vol. 48, no. 10, pp. 2962-2971, Oct. 2018. DOI: 10.1109/TCYB.2017.2753382
L. Dou, C. Song, X. Wang, L. Liu*, and G. Feng, “Coverage Control for Heterogeneous Mobile Sensor Networks Subject to Measurement Errors,” IEEE Transactions on Automatic Control, vol. 63, no. 10, pp. 3479-3486, Oct. 2018. DOI: 10.1109/TAC.2018.2799491
M. Lu and L. Liu*, “Leader-following Consensus of Multiple Uncertain Euler-Lagrange Systems,” International Journal of Robust and Nonlinear Control, vol. 28, no. 14, pp. 4093-4104, Sep. 2018. DOI: 10.1002/rnc.4223
X. Yu, L. Liu*, and G. Feng, “Distributed Circular Formation Control of Nonholonomic Vehicles without Direct Distance Measurements,” IEEE Transactions on Automatic Control, vol. 63, no. 8, pp. 2730-2737, Aug. 2018. DOI: 10.1109/TAC.2018.2790259
M. Lu and L. Liu*, “Leader-Following Consensus of Multiple Uncertain Euler-Lagrange Systems Subject to Communication Delays and Switching Networks,” IEEE Transactions on Automatic Control, vol. 63, no. 8, pp. 2604-2611, Aug. 2018. DOI: 10.1109/TAC.2017.2771318
M. Guo, D. Xu, and L. Liu*, “Adaptive Nonlinear Ship Tracking Control with Unknown Control Direction,” International Journal of Robust and Nonlinear Control, vol. 28, no. 3, pp. 2828-2840, Mar. 2018. DOI: 10.1002/rnc.4052
W. Hu, L. Liu*, and G. Feng, “Cooperative Output Regulation of Linear Multi-Agent Systems by Intermittent Communication: A Unified Framework of Time- and Event-Triggering Strategies,” IEEE Transactions on Automatic Control, vol. 63, no. 2, pp. 548-555, Feb. 2018. DOI: 10.1109/TAC.2017.2727821
X. Yu, X. Xu, L. Liu*, and G. Feng, “Circular Formation of Networked Dynamic Unicycles by a Distributed Dynamic Control Law,” Automatica, vol. 89, no. 1, pp. 1-7, Jan. 2018. DOI: 10.1016/j.automatica.2017.11.021
M. Guo, D. Xu, and L. Liu*, “Nussbaum Function-Based Universal Cooperative Output Regulation Design for Uncertain Nonlinear Multi-Agent Systems,” International Journal of Robust and Nonlinear Control, vol. 28, no. 1, pp. 716-728, Jan. 2018. DOI: 10.1002/rnc.3897
M. Guo and L. Liu*, “Output Regulation of Output Feedback Systems with Unknown Exosystem and Unknown High-Frequency Gain Sign,” Transactions of the Institute of Measurement and Control, vol. 40, no. 1, pp. 171-178, Jan. 2018. DOI: 10.1177/0142331216654535.
M. Guo, D. Xu, and L. Liu*, “Adaptive Nonlinear Ship Tracking Control with Unknown Control Direction,” International Journal of Robust and Nonlinear Control, vol. 28, no. 3, pp 2828-2840, Mar. 2018. DOI: 10.1002/rnc.4052
X. Xu, L. Liu, and G. Feng, “Consensus of Discrete-Time Linear Multi-Agent Systems with Communication, Input and Output Delays,” IEEE Transactions on Automatic Control, vol. 63, no. 2, pp. 492-497, Feb. 2018. DOI: 10.1109/TAC.2017.2720703
W. Hu, L. Liu*, and G. Feng, “Cooperative Output Regulation of Linear Multi-Agent Systems by Intermittent Communication: A Unified Framework of Time- and Event-Triggering Strategies,” IEEE Transactions on Automatic Control, vol. 63, no. 2, pp. 548-555, Feb. 2018. DOI: 10.1109/TAC.2017.2727821
X. Yu, X. Xu, L. Liu*, and G. Feng, “Circular Formation of Networked Dynamic Unicycles by a Distributed Dynamic Control Law,” Automatica, vol. 89, no. 1, pp. 1-7, Jan. 2018. DOI: 10.1016/j.automatica.2017.11.021
M. Meng, L. Liu*, and G. Feng, “Output Consensus for Heterogeneous Multi-Agent Systems with Markovian Switching Network Topologies,” International Journal of Robust and Nonlinear Control, vol. 28, no. 1, pp 1049-1061, Jan. 2018. DOI: 10.1002/rnc.3918
M. Guo, D. Xu, and L. Liu*, “Nussbaum Function-Based Universal Cooperative Output Regulation Design for Uncertain Nonlinear Multi-Agent Systems,” International Journal of Robust and Nonlinear Control, vol. 28, no. 1, pp 716-728, Jan. 2018. DOI: 10.1002/rnc.3897
M. Lu and L. Liu*, “Cooperative Output Regulation of Linear Multi-Agent Systems by a Novel Distributed Dynamic Compensator,” IEEE Transactions on Automatic Control, vol. 62, no. 12, pp. 6481-6488, Dec. 2017. DOI: 10.1109/TAC.2017.2658026, 2017.
Y. Li, L. Liu*, and G. Feng, “Finite−Time Stabilization of a Class of T−S Fuzzy Systems,” IEEE Transactions on Fuzzy Systems, vol. 25, no. 6, pp. 1824-1829, Dec. 2017. DOI: 10.1109/TFUZZ.2016.2612301.
M. Guo, D. Xu, and L. Liu*, “A Result on Output Regulation of Lower Triangular Systems with Unknown High-Frequency Gain Sign,” International Journal of Robust and Nonlinear Control, vol. 27, no. 18, pp. 4903-4918, Dec. 2017. DOI: 10.1002/rnc.3835.
X. Yu and L. Liu*, “Target Enclosing and Trajectory Tracking for a Mobile Robot Subject to a Class of Input Disturbances,” IEEE Control Systems Letters, vol. 1, no. 2, pp. 218-225, Oct. 2017. DOI: 10.1109/LCSYS.2017.2712663
Y. Li, L. Liu, and G. Feng, “Adaptive Finite-Time Controller Design for T-S Fuzzy Systems,” IEEE Transactions on Cybernetics, vol. 47, no. 9, pp. 2425-2436, Sep. 2017. DOI: 10.1109/TCYB.2017.2671902
X. Xu, L. Liu, and G. Feng, “Consensus of Heterogeneous Linear Multi-Agent Systems with Communication Time-Delays,” IEEE Transactions on Cybernetics, vol. 47, no. 8, pp. 1820-1829, Aug. 2017. DOI: 10.1109/TCYB.2017.2702635
M. Meng, L. Liu, and G. Feng, “Stability and l_1 Gain Analysis of Boolean Networks with Markovian Jump Parameters,” IEEE Transactions on Automatic Control, vol. 62, no. 8, pp. 4222-4228, Aug. 2017. DOI:10.1109/TAC.2017.2679903.
W. Hu, L. Liu*, and G. Feng, “Output Consensus of Heterogeneous Linear Multi-Agent Systems by Distributed Event-Triggered/Self-Triggered Strategy,” IEEE Transactions on Cybernetics, vol. 47, no. 8, pp. 1914-1924, Aug. 2017. DOI: 10.1109/TCYB.2016.2602327.
L. Dou, C. Song, X. Wang, L. Liu*, and G. Feng, “Nonuniform Coverage Control for Heterogeneous Mobile Sensor Networks on the Line,” Automatica, vol. 81, no. 7, pp. 464-470, July 2017. DOI: 10.1016/j.automatica.2017.04.029
X. Yu and L. Liu*, “Cooperative Control for Moving-Target Circular Formation of Nonholonomic Vehicles,” IEEE Transactions on Automatic Control, vol. 62, no. 7, pp. 3448-3454, July 2017. DOI: 10.1109/TAC.2016.2614348.
X. Yu and L. Liu*, “Leader-Follower Formation of Vehicles with Velocity Constraints and Local Coordinate Frames,” SCIENCE CHINA Information Sciences, vol. 60, no. 7, pp. 070206:1–070206:15, July 2017. DOI: 10.1007/s11432-016-9094-1
M. Lu and L. Liu*, (Front Cover) “Consensus of Linear Multi-Agent Systems Subject to Communication Delays and Switching Networks,” International Journal of Robust and Nonlinear Control, vol. 27, no. 9, pp. 1379-1396, June 2017. DOI: 10.1002/rnc.3750
M. Guo, D. Xu, and L. Liu*, “Cooperative Output Regulation of Heterogeneous Nonlinear Multi-Agent Systems with Unknown Control Directions,” IEEE Transactions on Automatic Control, vol. 62, no. 6, pp. 3039-3045, June 2017. DOI: 10.1109/TAC.2016.2609281.
M. Guo, L. Liu*, and G. Feng, “Global Disturbance Rejection for Nonlinear Lower Triangular Systems with iISS Inverse Dynamics and Uncertain Exosystem,” International Journal of Robust and Nonlinear Control, vol. 27, pp. 1757-1772, June 2017. DOI: 10.1002/rnc.3634.
Y. Li, L. Liu*, and G. Feng, “Finite−Time Stabilization of a Class of T−S Fuzzy Systems,” IEEE Transactions on Fuzzy Systems, vol. 25, no. 6, pp. 1824-1829, Dec. 2017. DOI: 10.1109/TFUZZ.2016.2612301.
M. Lu and L. Liu*, “Distributed Feedforward Approach to Cooperative Output Regulation Subject to Communication Delays and Switching Networks,” IEEE Transactions on Automatic Control, vol. 62, no. 4, pp.1999-2005, April 2017.
M. Guo, L. Liu*, and G. Feng, “Global Disturbance Rejection for Nonlinear Lower Triangular Systems with iISS Inverse Dynamics and Uncertain Exosystem”, International Journal of Robust and Nonlinear Control, accepted, 2015. DOI: 10.1002/rnc.3634.
W. Hu, L. Liu*, and G. Feng, “Output Consensus of Heterogeneous Linear Multi-Agent Systems by Distributed Event-Triggered/Self-Triggered Strategy,” IEEE Transactions on Cybernetics, DOI: 10.1109/TCYB.2016.2602327
M. Guo and L. Liu*, “Output Regulation of Output Feedback Systems with Unknown Exosystem and Unknown High-Frequency Gain Sign,” Transactions of the Institute of Measurement and Control, DOI: 10.1177/0142331216654535, 2016.
W. Hu and L. Liu*, “Cooperative Output Regulation of Heterogeneous Linear Multi-Agent Systems by Event-Triggered Control,” IEEE Transactions on Cybernetics, vol. 47, no. 1, pp. 105-116, Jan. 2017. DOI: 10.1109/TCYB.2015.2508561
X. Yu and L. Liu*, “Distributed Formation Control of Nonholonomic Vehicles Subject to Velocity Constraints,” IEEE Transactions on Industrial Electronics, vol. 63, no. 2, pp. 1289-1298, Feb. 2016. DOI: 10.1109/TIE.2015.2504042
C. Song, L. Liu, G. Feng, and S. Xu, “Coverage Control for Heterogeneous Mobile Sensor Networks on a Circle,” Automatica, vol. 63, no. 1, pp. 349-358, Jan. 2016. DOI: 10.1016/j.automatica.2015.10.044.
W. Hu, L. Liu*, and G. Feng, “Consensus of Linear Multi-Agent Systems by Distributed Event-Triggered Strategy,” IEEE Transactions on Cybernetics, vol. 46, no. 1, pp. 148-157, Jan. 2016. DOI: 10.1109/TCYB.2015.2398892.
Y. Fan, L. Liu, G. Feng and Y. Wang, “Self-Triggered Consensus for Multi-Agent Systems with Zeno-Free Triggers,” IEEE Transactions on Automatic Control, vol. 60, no. 10, pp. 2779-2784, Oct. 2015.
L. Liu*, “Adaptive Cooperative Output Regulation for a Class of Nonlinear Multi-Agent Systems,” IEEE Transactions on Automatic Control, vol. 60, no. 6, pp. 1677-1682, June 2015. DOI: 10.1109/TAC.2014.2360023.
X. Zhang, L. Liu, and G. Feng, “Leader-Follower Consensus of Time-Varying Nonlinear Multi-Agent Systems,” Automatica, vol.52, no.2, pp. 8-14, Feb. 2015.
M. Guo and L. Liu* (Invited), “Adaptive Output Regulation Problem for a Class of Nonlinear Systems,” Control Theory and Technology (in Chinese), vol.31, no.7, pp. 987-992, July 2014.
C. Song, L. Liu, G. Feng and S. Xu, “Optimal Control for Multi-Agent Persistent Monitoring,” Automatica, vol.50, no.6, pp.1663-1668, June 2014.
C. Song, L. Liu, G. Feng, Y. Wang, and Q. Gao, “Persistent Awareness Coverage Control for Mobile Sensor Networks,” Automatica, vol. 49, no. 6, pp. 1867-1873, June 2013.
Y. Fan, L. Liu, G. Feng, C. Song, and Y. Wang, “Virtual Neighbor Based Connectivity Preserving of Multi-Agent Systems with Bounded Control Inputs in the Presence of Unreliable Communication Links,” Automatica, vol. 49, no. 5, pp. 1261-1267, May 2013.
L. Liu*, “Robust Cooperative Output Regulation Problem for Nonlinear Multi-Agent Systems,” IET Control Theory & Applications, vol. 6, no. 13, pp. 2142-2148, Sept. 2012.
L. Liu, Z. Chen and J. Huang, “Global Disturbance Rejection of Lower Triangular Systems with Unknown Exosystem,” IEEE Transactions on Automatic Control, vol. 56, no. 7, pp. 1690-1695, July 2011.
L. Liu, Z. Chen and J. Huang, “Parameter Convergence and Minimal Internal Model with an Adaptive Output Regulation Problem,” Automatica, vol. 45, no. 5, pp. 1306-1311, May 2009.
L. Liu, F. Lewis and J. Huang, “Global Robust Tracking of a Class of Nonlinear Systems and Its Application,” IEEE Transactions on Circuits and Systems-I, vol. 55, no. 9, pp. 2743-2752, Oct. 2008.
L. Liu and J. Huang, “Global Robust Output Regulation of Lower Triangular Systems with Unknown Control Direction,” Automatica, vol. 44, no. 5, pp. 1278-1284, May 2008.
L. Liu and J. Huang, “Global Robust Stabilization of Cascade-Connected Systems with Dynamic Uncertainties without Knowing the Control Direction,” IEEE Transactions on Automatic Control, vol. 51, no. 10, pp. 625-631, Oct. 2006.
L. Liu and J. Huang, “Global Robust Output Regulation for Output Feedback Systems with Unknown High-Frequency Gain Sign,” IEEE Transactions on Automatic Control, vol. 51, no. 4, pp. 625-631, April 2006.

* Research Opportunities *

Ph.D. student, Postdoctoral Fellow, Research Assistant/Associate in Networked Systems and Control, Multi-Robot Systems and Control, or other relevant areas are available for application. Interested applicants please send complete CV to luliu45@cityu.edu.hk

Last modified on 19 October, 2023

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City University of Hong Kong Rankings

City University of Hong Kong is ranked #120 in Best Global Universities. Schools are ranked according to their performance across a set of widely accepted indicators of excellence. Read more about how we rank schools.

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What is the rank of City University Hong Kong? ›

Rankings and reputation

University rankings
Global – Overall
QS World	70 (2024)
QS Under 50	4 (2021)
THE World	82 (2024)

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How much does it cost to go to City University of Hong Kong? ›

The tuition fee for non-local students is HKD160,000 (~USD20,500) in the 2024/25 academic year. The tuition fee is subject to annual review. Living Costs (meals, transportations, laundry, and education expenses for books, stationeries, etc.)

Does City University of Hong Kong teach in English? ›

The normal medium of instruction and assessment at the University is English.

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Is CityU HK prestigious? ›

City University of Hong Kong (CityUHK) is delighted to announce its recognition as the Most International University in the World, according to the recently published Times Higher Education (THE) World University Rankings 2024. This significant accolade further cements CityUHK's position as a global frontrunner in ...

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What is the City University of Hong Kong famous for? ›

Located in the heart of Hong Kong, City University of Hong Kong (CityUHK) has a well-earned reputation as an innovative hub for research and professional education and for addressing global issues and empowering positive change.

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What is the number one university in Hong Kong? ›

In the QS World University Rankings®, Hong Kong's highest entry is the University of Hong Kong which continues to rank ahead of the Chinese University of Hong Kong and the Hong Kong University of Science and Technology (HKUST), the City University of Hong Kong and the Hong Kong Polytechnic University.

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Is CityU accredited? ›

City University in Canada is a not-for-profit, accredited institution that has offered post-secondary academic programs in Canada since 1984.

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What is the ranking of city university in the world? ›

City, University of London was ranked the 6th best university in London by the prestigious QS World University Rankings 2024. In further good news, the rankings also placed City 38th in the United Kingdom. The rankings rated and compared City against 1,500 other institutions from across the globe.

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Why study at City University of Hong Kong? ›

Our world-class labs and state-of-the-art teaching facilities, as well as our state key laboratories, a national engineering centre and a suite of institutional-level research centres, enable our researchers to maintain a positive trajectory.

Is it cheap to study in Hong Kong? ›

Hong Kong's high-quality post-secondary education comes at a reasonable price. Annual tuition fees for non-local students for undergraduate programmes range from HK$120,000 - $162,000 (about US$15,400 - US$20,800).

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Is Hong Kong expensive for students? ›

Hong Kong international students spend on average US$17,166 (HK$134,333) annually, whilst tuition fees were estimated at US$14,299 (HK$111,897). This makes Hong Kong the fifth costliest market to study abroad in, according to Wise, a global technology company specializing in money management.

What language is spoken in Hong Kong university? ›

Language. Although most courses are taught in English, Cantonese is the primary language of Hong Kong. You will encounter Cantonese in dormitories, on the street, and in tutorials, labs, and studios.

What language is taught in Hong Kong? ›

In Hong Kong, there are two basic languages of instruction both at primary and secondary levels of education. They are English and Cantonese. However, Cantonese is almost more widely used in Hong Kong, while English and Mandarin are taught as separate subjects.

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Is Hong Kong English friendly? ›

English is one of two official languages in Hong Kong – the other being Chinese (Cantonese) – and is used in academia, business and the courts, as well as in most government materials. Major businesses routinely issue important material in both Chinese and English, and all road and government signs are bilingual.

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Is it worth it to study in Hong Kong? ›

Hong Kong: As one of the most popular places to study abroad, Hong Kong has it all when it comes to academics. It's a major attraction for international students because of the prevalent use of English at all reputable universities and in everyday life.

What is the number one University in Hong Kong? ›

Is it hard to get into University of Hong Kong? ›

The University of Hong Kong's acceptance rate can vary by program and level of study. Generally, it is known for its competitive admissions, with acceptance rates ranging from 10% to 30%. However, specific rates may differ for undergraduate and postgraduate programs.

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Is Hong Kong University good for international students? ›

Tagged with rankings, THE, Times Higher Education, Times Higher Education World University Rankings, University of Hong Kong. Bookmark the permalink. The University of Hong Kong has been named the world's most international university in 2022, topping a list compiled by Times Higher Education.

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City University of Hong Kong (2024)

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Is the City University of Hong Kong a good school? ›

Is it cheap to study in Hong Kong? ›

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