Research Interests

Prof. Liu's research interest covers the Electrical Energy and Power Technologies for smart energy conversion, integration, distribution, and utilization. He aims to perform the concept of Smart Energy to better human life

• Electric Motors & Drives, Electric Generators: Permanent-Magnet (PM) Machines & Drives, PM Hybrid-excited Brushless Machines & Drives, Memory Machines & Drives, Magnetic-geared Machines & Drives, Linear Machines & Drives, Superconducting Machines, Magnetless Machines, Double-Stator Machines, Double-Rotor Machines, Machine Design Strategies and Fault-Tolerant Controls.
• Electric Vehicle Technologies: Vehicle-to-Grid (V2G), Energy-Efficiency Technologies, Energy Storage and Management Techniques, Electric Propulsion Systems, Electric Variable Transmission Systems, Integrated-Starter-Generator Systems, Magnetic Gears, and EV & Environment Policy.
• Sustainable & Renewable Energy Systems: Wind Power Generation System, Solar Power Generation System, Wave Power Generation System, Thermal Power Generation System, Hybrid-Source Sustainable Generation Systems, Isolated Gird-off & Grid-connected Systems.
• Smart Grid & Micro Grid Technologies: Advancing Generation Systems, Renewable Energy Integration, Distributed Energy Storages & Management for Grid Applications, Smart Robotic System for Power-Line Fault Diagnosis, Advanced Electric Devices for Power Grids.
• Wireless Power Transfer (WPT) Technologies & Power Electronics: Inductive Power Transfer, Magnetic Resonance Coupling for WPT; WPT for Energy Conversion; WPT for Mars Exploring; WPT for Air-Charging of Drones; Brushless DC & AC Drive Circuits, Power Converters, Interface Circuits for Micro Grids, Bidirectional Converters for V2G. Smart Robotic Devices.

Positions Available

Post-doctoral Fellows / Research Associates / Research Assistant / Student Research Assistant.

• Required Background

  All research background in electrical and electronic engineering is welcomed. Those in electrical energy and power technologies are highly preferred.

• Required Degree

  PhD degree holder is considered for Post-doctoral Fellow or Research Associate. Master or Bachelor degree holder is considered for Research Associates or Research Assistant. Excellent undergrad student is considered for Student Research Assistant.

• Research Duty

  Post-doctoral Fellow and Research Associate are required for conducting the core research work and top-journal paper writing. Research Assistant is required for doing the research work, paper writing, and data collection. Student Research Assistant is required for assisting the other researchers to do the research work.

• Application Procedure

  Applicants will be considered according to their research background. Please send the CV, application form, and supported documents to Prof. Liu by Email. Please click here to download the Application Form.

City University of Hong Kong is an equal opportunity employer and we are committed to the principle of diversity. We encourage applications from all qualified candidates, especially applicants who will enhance the diversity of our staff.

Professional Services

• Senior Member of the IEEE 2014-present, (Student Member 2005~2009, Member 2009~2013).
• Associate Editor of IET – Renewable Power Generation, UK, 2014/09~present.
• Editorial Board Member of Cambridge University Press, Cambridge Journals: Wireless Power Transfer, UK. 2014/03~present.
• Editorial Board Member of “International Journal of Renewable and Sustainable Energy” Journal of Science Publishing Group, USA, 2014/08~present.
• Invited Reviewer for over 30 Journals: Proceeding of IEEE, IEEE Trans. on Industrial Electronics, IEEE Trans. on Industry Applications, IEEE Trans. on Industrial Informatics, IEEE Trans. on Power System, IEEE Trans. on Power Electronics, IEEE Trans. on Magnetics, IEEE Trans. on Vehicular Technology, IEEE Trans. on Sustainable Energy, IEEE Trans. on Smart Grid, IEEE Trans. on Transportation Electrification, IEEE Trans. on Power Delivery, IEEE Intelligent Transportation Systems Transactions and Magazine, IEEE Trans. on Aerospace and Electronic Systems, IEEE Journal of Emerging and Selected Topics in Power Electronics, IET Electric Power Applications, IET Renewable Power Generation, Progress in Electromagnetics Research, Journal of Electromagnetic Waves and Applications, Journal of Asian Electric Vehicles, Journal of Magnetics, Energies, MDPI Applied Sciences, IEEE IES Proceedings, IEEE PES Proceedings, Europe ICEM Proceeding, Proceeding of the CSEE (China), etc.
• Conference Service: Special Section Editor of “Power Conversion, Control and Management for Renewable Energy,” 2015 IEEE International Conference on Industrial Technology (ICIT2015), Seville, Spain, March 17~19, 2015.
• Conference Service: Special Section Editor of “Advancing Electric Vehicle Technologies,” 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 9~12, 2015.
• Conference Service: Special Section Editor of “Wireless Power Transfer,” 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 9~12, 2015.
• Conference Service: Special Section Editor of “Advanced Electric Machines and Emerging Technologies for Smart Energy Conversion,” 2016 IEEE International Conference on Industrial Technology (ICIT2016), Taipei, Taiwan, March 14~17, 2016.
• Conference Service: Technical Program Committee Member of RPG 2016 International Conference on Renewable Power Generation, London, UK, Sep. 21~22, 2016.

Selected Publications

(Welcome to visit Prof. Liu’s Google-Scholar profile for all publications.)

Selected Books and Invited Papers

• Invited Paper: C. Liu, K.T. Chau, D. Wu, and S. Gao
  “Opportunities and challenges of vehicle-to-home, vehicle-to-vehicle and vehicle-to-grid technologies,” Proceeding of the IEEE, vol. 101, no. 11, pp.2409-2427, Nov. 2013.

• Invited Paper: C. Liu, K.T. Chau, Z. Zhang, and C.H.T. Lee
  “Review and prospect of advancing electric devices and emerging technologies for smart energy application in microgrids,” Proceeding of the IEEE, under review.

• Book Chapter: C. Liu and W. Li
  Emerging Advanced Permanent-Magnet Brushless Machines for Hybrid Vehicles. in Hybrid Vehicles: New Developments, Energy Management and Emerging Technologies, Nova Science Publishers, pp1-50, 2015.

• Book: C. Liu
  Smart Energy Conversion, Integration and Distribution, Wiley-IEEE Press; Book Proposal accepted by Wiley-IEEE Press, United State; expected in 2016.

Selected Papers

• C. Liu, K.T. Chau, Z. Zhang, and C.H.T. Lee, “Review and prospect of advancing electric devices and emerging technologies for smart energy application in microgrids,” (Invited paper), Proceeding of the IEEE, under review.
• C. Liu and K.T. Chau, “Overview of advanced electric vehicle technologies,” Energies, (Invited paper), expected in 2016.
• C. Liu, K.T. Chau, and F. Lin, “A new hybrid-structure machine with multi-mode fault-tolerant operation for Mars Rover,” IEEE Transactions on Magnetics, in press.
• C. Liu, K.T. Chau, Z. Zhang, C. Qiu, F. Li, and T.W. Ching “Multiple-receptor wireless power transfer for magnetic sensors charging on Mars via magnetic resonant coupling,” Journal Applied Physics, vol. 117, pp. 17A743: 1-4, April 2015.
• C. Liu, K.T. Chau, Z. Zhang, C. Qiu, W. Li, and T.W. Ching, “Wireless power transfer and fault diagnosis of high-voltage power line via robotic bird,” Journal Applied Physics, vol. 117, pp. 17D521: 1-4, April 2015.
• C. Liu, K.T. Chau, C.H.T. Lee, F. Lin, F. Li, and T.W. Ching “Magnetic vibration analysis of a new DC-excited multitoothed switched reluctance machine,” IEEE Transactions on Magnetics, vol. 50, no. 11, pp. 8105204: 1-4, Nov. 2014.
• C. Liu and K.T. Chau, “Electromagnetic design of a new electrically controlled magnetic variable-speed gearing machine,” Energies, vol. 7, no. 3, pp. 1539-1554, 2014.
• C. Liu, K.T. Chau, D. Wu, and S. Gao, “Opportunities and challenges of vehicle-to-home, vehicle-to-vehicle and vehicle-to-grid technologies,” (Invited paper) Proceeding of the IEEE, vol. 101, no. 11, pp. 2409-2427, Nov. 2013.
• C. Liu, K.T. Chau, C. Qiu, and F. Lin, “Investigation of energy harvesting for magnetic sensor arrays on Mars by wireless power transmission,” Journal of Applied Physics, vol. 115, pp. 17E702:1-3, 2014.
• C. Liu, K.T. Chau, and Z. Zhang, “Novel design of double-stator single-rotor magnetic-geared machines,” IEEE Transactions on Magnetics, vol. 48, no. 11, pp. 4180-4183, November 2012.
• C. Liu and K.T. Chau, “Electromagnetic design and analysis of double-rotor flux-modulated permanent-magnet machines,” Progress In Electromagnetics Research, vol. 131, pp. 81-97, 2012.
• C. Liu, K.T. Chau, J. Zhong, W. Li, and F. Li, “Quantitative compassion of double-stator permanent magnet vernier machines with and without HTS bulks,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, paper no.5202405, pp. 1-4, June 2012.
• C. Liu, J. Zhong, and K.T. Chau, “A novel flux-controllable vernier permanent-magnet machine,” IEEE Transactions on Magnetics, vol. 47, no. 10, pp. 4238-4241, October 2011.
• C. Liu, K.T. Chau, J. Zhong, and J. Li, “Design and analysis of a HTS brushless doubly-fed doubly-salient machine,” IEEE Transactions on Applied Superconductivity, vol. 21, no.3, pp. 1119-1122, June 2011.
• C. Liu, K.T. Chau, and J.Z. Jiang, “A permanent-magnet hybrid brushless integrated- starter-generator for hybrid electric vehicles,” IEEE Transactions on Industrial Electronics, vol. 57, no. 12, pp. 4055-4064, December 2010.
• C. Liu, K.T. Chau, and W. Li, “Loss analysis of permanent magnet hybrid brushless machines with and without HTS field windings,” IEEE Transactions on Applied Superconductivity, vol. 20, no. 3, pp. 1077-1080, June 2010.
• C. Liu, K.T. Chau, and W. Li, “Comparison of fault-tolerant operations for permanent-magnet hybrid brushless motor drive,” IEEE Transactions on Magnetics, vol. 46, no. 6, pp. 1378-1381, June 2010.
• C. Liu, K.T. Chau, and X. Zhang, “An efficient wind-photovoltaic hybrid generation system using doubly-excited permanent-magnet brushless machine,” IEEE Transactions on Industrial Electronics, vol. 57, no. 3, pp. 831-839, March 2010.
• C. Liu, K.T. Chau, W. Li, and C. Yu, “Efficiency optimization of a permanent-magnet hybrid brushless machine using DC field current control,” IEEE Transactions on Magnetics, vol. 45, no. 10, pp. 4652-4655, October 2009.
• C. Liu, K.T. Chau, J.Z. Jiang, and S. Niu, “Comparison of stator-permanent-magnet brushless machines,” IEEE Transactions on Magnetics, vol. 44, no. 11, pp. 4405-4408, November 2008.
• C. Liu, K.T. Chau, and J.Z. Jiang, “Design of a new outer-rotor permanent-magnet hybrid machine for wind power generation,” IEEE Transactions on Magnetics, vol. 44, no. 6, pp. 1494-1497, June 2008.
• K.T. Chau, C.C. Chau, and C. Liu, “Overview of permanent magnet brushless drives for electric and hybrid electric vehicles,” IEEE Transactions on Industrial Electronics, vol. 55, no. 6, pp. 2246-2257, June 2008.