Tze Wood CHING, Herman程子活
Assistant Professor

Academic Qualifications | Professional Experience | Honor | Teaching | Laboratory in-charge | Research | Selected Publications | Professional Affiliations | Professional Service | Contact Details


Academic Qualification

  • Ph.D. in Electrical & Electronic Engineering, University of Hong Kong, Hong Kong
  • M.Sc. in Electrical Engineering, Hong Kong Polytechnic University, Hong Kong
  • B.Eng. (Hons.) in Electrical Engineering, Hong Kong Polytechnic, Hong Kong

Professional Experience

  • Assistant Professor, Electromechanical Engineering, University of Macau
  • Electrical Engineer, CLP Power (HK) Ltd., Hong Kong

Honor

  • Honorary Assistant Professor, Electrical & Electronic Engineering, The University of Hong Kong

Teaching

B.Sc. Courses

  1. Design Project (EMEB410)
  2. Digital Systems (MECH309)
  3. Electrical Engineering (EMEB213 / MECH205)
  4. Electrical Services (MECH487)
  5. Electrical Services – Wiring and Installations (EMEB356)
  6. Electromechanical Systems (MECH405)
  7. Electro-mechanical Energy Conversion (EMEB357)
  8. Electronics & Instrumentation (MECH450)
  9. Microprocessors (CPTG301)
  10. Project (MECH415)

M.Sc. Courses

  1. Introduction to Research (ELME701 / IMEM002)
  2. Advanced Electrical Services (ELME723 / IMEM024)
  3. Advanced Electro-mechanical Energy Conversion (ELME724 / IMEM025)
  4. Advanced Electric Vehicles (ELME728 / IMEM029)
  5. Thesis (IMEM999)
  6. Applied Thesis (ELME797)

 


Laboratory in-charge


Research

Interests

    Battery Chargers, Electrical Building Services, Power Quality, Electric Vehicles, Electrical Energy Conversion and Utilization, Electrical Power Systems and Motor Drives

Projects

  • Development of a Novel Segmented-Stator Dual-Winding Vernier Permanent Magnet Machine (2018-2020)
  • Development of a Multi-phase Magnetless Linear Variable Reluctance Motor suitable for Urban Rail Transit (2017-2020)
  • Development of Direct Driven Electric Machine for Wind Power Generation (2015-2018)
  • Development of Linear Generator for Wave Energy Harvesting
  • Investigation on Electric Vehicles (EVs) and their Application in Macau
  • HB-LED Lighting Systems for General Illumination Applications
  • Design and Implementation of EV Charging Stations in Macau
  • Pilot Test and Performance Evaluation of Electric Vehicles in Macau
  • Development of Grid-connected Photovoltaic Systems
  • Investigation on Electric & Hybrid Electric Vehicles
  • Development of Soft-switching Converters for Electric Drives

Invited Talks/Short Courses

  • T.W. Ching, “Advanced Direct-Drive Electrical Machines”, presentation at South University of Science & Technology of China, Oct., 2016.
  • T.W. Ching, “Development of Electric Vehicles in Macau”, presentation at Green Transportation in the Pearl River Delta, Macau, 24 Sept., 2010.
  • T.W. Ching, “Electricity Generation, Distributed Generation & Renewable Energy Sources”, short course presented to Companhia de Electricidade de Macau (CEM), 24 Feb., 2010.

Selected Publications

Book / Chapter Contributions

  • T.W. Ching and W. Li (2016)
    “On-board Electromagnetic energy regeneration for Electric Vehicles,” Energy Systems for Electric and Hybrid Vehicles, K. T. Chau (Ed.), the Institution of Engineering and Technology, ISBN:  978-1-78561-008-0.
  • W. Li and T.W. Ching (2016)
    “Ultrahigh-speed Flywheel Energy Storage for Electric Vehicles,” Energy Systems for Electric and Hybrid Vehicles, K. T. Chau (Ed.), the Institution of Engineering and Technology, ISBN:  978-1-78561-008-0.

Refereed Journal Papers

  1. T.W. Ching and W. Li (2018)
    “A Superconducting Linear Variable Reluctance Machine for Urban Transportation Systems,”
    IEEE Transactions on Applied Superconductivity, accepted.
  2. X. Liu, X. Zhong, Y. Du, X. Chen, D. Wang and T.W. Ching (2018)
    “A New Magnetic Field Modulation Type of Brushless Double-Fed Machine,”
    IEEE Transactions on Applied Superconductivity, accepted.
  3. W. Li, T.W. Ching, K. T. Chau and C. H. T. Lee (2018)
    “A Superconducting Vernier Motor for Electric Ship Propulsion,”
    IEEE Transactions on Applied Superconductivity, Vol. 28, No. 3, Article#: 5201706.
  4. W. Li, T.W. Ching, K. T. Chau and C. Liu (2018)
    “A Phase-Decoupled Flux-Reversal Linear Generator for Low-Speed Oscillatory Energy Conversion Using Impedance Matching Strategy,”
    IEEE Transactions on Industrial Electronics, Accepted, DOI: 10.1109/TIE.2018.2793211.
  5. W. Li, T.W. Ching and K. T. Chau (2017)
    “Design and Analysis of a New Parallel-Hybrid-Excited Linear Vernier Machine for Oceanic Wave Power Generation,”
    Applied Energy, Vol. 208, 878-888.
  6. W. Li, T.W. Ching and K. T. Chau (2017)
    “A Hybrid-Excited Vernier Permanent-Magnet Machine Using Homopolar Topology,”
    IEEE Transactions on Magnetics, Vol. 53, No. 11, Article#: 8111507.
  7. C. Jiang, K. T. Chau, T. W. Ching, C. Liu and W. Han (2017)
    “Time-Division Multiplexing Wireless Power Transfer for Separately Excited DC Motor Drives,”
    IEEE Transactions on Magnetics, Vol. 53, No. 11, Article#: 8205405.
  8. W. Li, T.W. Ching and K. T. Chau (2017)
    “Design and Analysis of an Outer-Rotor Parallel-Hybrid-Excited Vernier Machine,”
    Chinese Journal of Electrical Engineering, Vol. 3, No. 1, 27 – 32.
  9. W. Li, T.W. Ching and K. T. Chau (2017)
    “A New High Temperature Superconducting Vernier Permanent-Magnet Machine for Wind Turbines,”
    IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, Article#: 5202905.
  10. Y. Wang, C. Wang, Q. Feng, X. Li and T.W. Ching (2017)
    “Fabrication and Experiment of Racetrack HTS Magnet for Stator Field-Excitation HTS Machine,”
    IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, Article#: 5201605.
  11. Y. Wang, C. Wang, Q. Feng, X. Li and T.W. Ching (2017)
    “Design and Experiment of an HTS Flux-Switching Machine with Stationary Seal,”
    IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, Article#: 5201405.
  12. W. Li, T.W. Ching and K. T. Chau (2017)
    “A New Linear Vernier Permanent-Magnet Machine using High Temperature Superconducting DC field Excitation,”
    IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, Article#: 5200805.
  13. W. Li, K. T. Chau, C. H. T. Lee, T. W. Ching, M. Chen, and J.Z. Jiang (2017)
    “A New Linear Magnetic Gear with Adjustable Gear Ratios and its Application for Direct-Drive Wave Energy Extraction,”
    Renewable Energy, Vol. 105, 199-208.
  14. C. Qiu, K.T. Chau, Z. Zhang and T.W. Ching (2016)
    “A comparative study of flux cancellation among multiple interconnected modular pads in lumped IPT system,”
    Progress In Electromagnetics Research M, Vol.49, 131-140.
  15. T.W. Ching, K.T. Chau and W. Li (2016)
    “Power Factor Improvement of a Linear Vernier Permanent-Magnet Machine using Auxiliary DC Field Excitation,”
    IEEE Transactions on Magnetics, Vol.52, No.7, Article#: 8204804.
  16. W. Li, K.T. Chau, T.W. Ching, Y. Wang and M. Chen (2015)
    “Design of a High-Speed Superconducting Bearingless Machine for Flywheel Energy Storage Systems,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5700204.
  17. Y. Liu, W. Fu, S. Ho, S. Niu and T.W. Ching (2015)
    “Electromagnetic Performance Analysis of Novel HTS Doubly-Fed Flux-Modulated Machines,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5203204.
  18. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching and M. Chen (2015)
    “A New Magnetless Flux-Reversal HTS Machine for Direct-Drive Application,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5203105.
  19. F. Xiao, Y. Du, Y. Wang, M. Chen, T.W. Ching and X. Liu (2015)
    “Modeling and Analysis of a Linear Stator Permanent Magnet Vernier HTS Machine,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5202104.
  20. Y. Wang, M. Chen, T.W. Ching and K.T. Chau (2015)
    “Design and Analysis of a New HTS Axial Field Flux-Switching Machine,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5200905.
  21. Y. Liu, S. Niu, S. Ho, W. Fu and T.W. Ching (2015)
    “Design and Analysis of a New HTS Double-stator Doubly-Fed Wind Generator,”
    IEEE Transactions on Applied Superconductivity, Vol.25, No.3, Article#: 5200804.
  22. C. Liu, K.T. Chau, Z. Zhang, C. Qiu, W. Li and T.W. Ching (2015)
    “Wireless Power Transfer and Fault Diagnosis of High-Voltage Powerline via Robotic Bird,”
    Journal of Applied Physics, Vol.117, 17D521.
  23. F. Xiao, Y. Du, Y. Sun, H. Zhu, W. Zhao, W. Li, T.W. Ching and C. Qiu (2015)
    “A Novel Double-Sided Flux-Switching Permanent Magnet Linear Motor,”
    Journal of Applied Physics, Vol.117, 17B530.
  24. C. Qiu, K.T. Chau, C. Liu, T.W. Ching and Z. Zhang (2015)
    “Modular Inductive Power Transmission System for High Misalignment Electric Vehicle Application,”
    Journal of Applied Physics, Vol.117, 17B528.
  25. Z. Zhang, K.T. Chau, C. Liu, C. Qiu, W. Li and T.W. Ching (2015)
    “A Positioning-tolerant Wireless Charging System for Roadway-Powered Electric Vehicles,”
    Journal of Applied Physics, Vol.117, 17B520.
  26. C. Liu, K.T. Chau, Z. Zhang, C. Qiu, F. Lin and T.W. Ching (2015)
    “Multiple-Receptor Wireless Power Transfer for Magnetic Sensors Charging on Mars via Magnetic Resonant Coupling,”
    Journal of Applied Physics, Vol.117, 17A743.
  27. L. Jian, Y. Gong, J. Wei, Y. Shi, Z. Shao and T.W. Ching (2015)
    “A Novel Claw Pole Memory Machine for Wide-Speed-Range Applications”
    Journal of Applied Physics, Vol.117, 17A725.

  1. Z. Zhang, K.T. Chau, C. Liu, F. Li and T.W. Ching (2014)
    “Quantitative Analysis of Mutual Inductances for Optimal Wireless Power Transfer via Magentic Resonant Coupling,”
    IEEE Transactions on Magnetics, Vol.50, No.11, Article#: 8600504.
  2. C. Liu, K.T. Chau, C.H.T. Lee, F. Lin, F. Li and T.W. Ching (2014)
    “Magnetic Vibration Analysis of a New DC-Excited Multitoothed Switched Reluctance Machine”
    IEEE Transactions on Magnetics, Vol.50, No.11, Article#: 8105204.
  3. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching, and F. Li (2014)
    “A High-Torque Magnetless Axial-Flux Doubly-Salient Machine for In-Wheel Direct Drive Applications,”
    IEEE Transactions on Magnetics, Vol.50, No.11, Article#: 8202405.
  4. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching, and F. Li (2014)
    “Mechanical Offset for Torque Ripple Reduction for Magnetless Double-Stator Doubly-Salient Machine,”
    IEEE Transactions on Magnetics, Vol.50, No.11, Article#: 8103304.
  5. C. Qiu, K.T. Chau, T.W. Ching, and C. Liu (2014)
    “Overview of Wireless Charging Technologies for Electric Vehicles,”
    Journal of Asian Electric Vehicles, Vol.12, No.1, 1679-1685.
  6. T.W. Ching, W. Li, T. Xu and S. Huang (2014)
    “Performance Evaluation of Electric Vehicles in Macau,”
    Journal of Asian Electric Vehicles, Vol.12, No.1, 1673-1678.
  7. T.W. Ching (2012)
    “Cost analysis of battery-powered electric vehicles in Macau,”
    Journal of Asian Electric Vehicles, Vol.10, No.2, 1619-1623.
  8. T.W. Ching, K. Lai and L. Iong (2012)
    “Performance Study of Battery-Powered Electric Vehicles in Macau,”
    World Electric Vehicle Journal, Vol.5, 36-44.
  9. T.W. Ching (2012)
    “Investigation on variable-speed drives for residential air-conditioning applications,”
    Journal of Energy and Power Engineering, Vol.6, No.5, 730-737.
  10. T.W. Ching (2011)
    “Road testing of electric vehicles in Macau,”
    Journal of Asian Electric Vehicles, Vol.9, No.2, 1491-1495.
  11. T.W. Ching (2011)
    “Design of electric vehicle charging station in Macau,”
    Journal of Asian Electric Vehicles, Vol.9, No.1, 1453-1458.
  12. T.W. Ching (2010)
    “Electric vehicle charging stations in Macau,”
    World Electric Vehicle Journal, Vol.4, 677-682.
  13. T.W. Ching (2009)
    “Analysis of soft-switching converters for switched reluctance motor drives for electric vehicles,”
    Journal of Asian Electric Vehicles, Vol.7, No.1, 1199-1206.
  14. T.W. Ching (2009)
    “Review of soft-switching technologies for high-frequency switched-mode power conversion,”
    International Journal of Electrical Engineering Education, Vol.46, Issue 1, 104-119.
  15. T.W. Ching (2007)
    “Soft-switching converters for electric vehicle propulsion,”
    Journal of Asian Electric Vehicles, Vol.5, No.2, 1019-1026.
  16. T.W. Ching (2006)
    “Four-quadrant zero-current-transition converter-fed DC motor drives for electric propulsion,”
    Journal of Asian Electric Vehicles, Vol.4, No.2, 911-917.
  17. T.W. Ching (2005)
    “Four-quadrant zero-voltage-transition converter-fed DC motor drives for electric propulsion,”
    Journal of Asian Electric Vehicles, Vol.3, No.1, 651-656.
  18. T.W. Ching and K.T. Chau (2001)
    “A new two-quadrant zero-current transition converter for DC motor drives,”
    International Journal of Electronics, Vol. 88, No. 6, 719-735.
  19. K.T. Chau, T.W. Ching, and C.C. Chan (1999)
    “A new two-quadrant zero-voltage transition converter for DC motor drives,”
    International Journal of Electronics, Vol. 86, No. 2, 217-231.

Conference Papers

  1. C.H.T. Lee, K.T. Chau, C.C. Chan and T.W. Ching (2017)
    “Design and Analysis of Partitioned-Stator Flux-Switching Hybrid-Excitation Machine for Hybrid Electric Vehicles,”
    The 30th International Electric Vehicle Symposium and Exhibition (EVS 30), Stuttgart, Germany, Oct. 2017.
  2. T.W. Ching and W. Li (2017)
    “A Superconducting Linear Variable Reluctance Machine for Urban Transportation Systems,”
    25th International Conference on Magnet Technology (MT-25), Amsterdam, the Netherlands, Aug. 2017.
  3. W. Li and T.W. Ching (2017)
    “A Superconducting Vernier Motor for Electric Ship Propulsion,”
    25th International Conference on Magnet Technology (MT-25), Amsterdam, the Netherlands, Aug. 2017.
  4. Y. Du, Q. Wang, X. Zhu, L. Quan, C. Zhang and T.W. Ching (2017)
    “A New Partitioned Stator Hybrid Excitation Flux Switching Machine with Iron Bridges,”
    25th International Conference on Magnet Technology (MT-25), Amsterdam, the Netherlands, Aug. 2017.
  5. X. Liu, X. Zhong, Y. Du, X. Chen, D Wang and T.W. Ching (2017)
    “A New Magnetic Field Modulation Type of Brushless Double-Fed Machine,”
    25th International Conference on Magnet Technology (MT-25), Amsterdam, the Netherlands, Aug. 2017.
  6. W. Li and T.W. Ching (2017)
    “A New Segmented-Stator Linear Vernier Permanent Magnet Machine for Direct-Drive Applications,”
    The IEEE International Electric Machines & Drives Conference (IEMDC 2017), Miami, USA, May 2017.
  7. C. Jiang, K. T. Chau, T. W. Ching and C. Liu (2017)
    “Time-Division Multiplexing Wireless Power Transfer for Separately Excited DC Motor Drives,”
    The IEEE International Magnetics Conference (Intermag 2017), Dublin, Ireland, Apr. 2017.
  8. W. Li, T.W. Ching and K.T. Chau (2017)
    “Hybrid-Excited Vernier Permanent-Magnet Machine Using Homopolar Topology,”
    The IEEE International Magnetics Conference (Intermag 2017), Dublin, Ireland, Apr. 2017.
  9. T.W. Ching, W. Li and K.T. Chau (2016)
    “A New Linear Vernier Permanent-Magnet Machine using High Temperature Superconducting DC Field Excitation,”
    Applied Superconductivity Conference (ASC 2016), Denver, USA, Sep. 2016.
  10. W. Li, K.T. Chau and T.W. Ching (2016)
    “A High Temperature Superconducting Linear Motor for Vertical Transportation,”
    Applied Superconductivity Conference (ASC 2016), Denver, USA, Sep. 2016.
  11. T.W. Ching, K.T. Chau and W. Li (2016)
    “A New High Temperature Superconducting Vernier Permanent-Magnet Machine for Wind Turbines,”
    Applied Superconductivity Conference (ASC 2016), Denver, USA, Sep. 2016.
  12. L. Zeng, T.W. Ching and W. Li (2016)
    “Electrification of Bus Services in Macau,”
    The International Conference on Electrical Engineering 2016 (ICEE 2016), Okinawa, Japan, Jul. 2016.
  13. T.W. Ching, W. Li and K.T. Chau (2016)
    A New Parallel-Hybrid-Excitation Linear Vernier Permanent-Magnet Machine: Improved Solution for Direct-Driven Power Generation,”
    The 11th International Conference on Ecological Vehicles and Renewable Energies (EVER2016), Monte Carlo, Monaco, Apr. 2016.
  14. T.W. Ching, K.T. Chau and W. Li (2016)
    “Power Factor Improvement of a Linear Vernier Permanent-Magnet Machine using Auxiliary DC Field Excitation,”
    The 13th Joint Magnetism and Magnetic Materials-Intermag Conference (MMM | Intermag 2016), San Diego, USA, Jan. 2016.
  15. W. Li, K.T. Chau, H. Fan and T.W. Ching (2015)
    “Maximum Power Point Tracking Control of a Linear Magnetic-Geared Generator for Direct-Drive Wave Energy Conversion,”
    The 10th IET International Conference on Advances in Power System Control, Operation and Management (APSCOM 2015), Hong Kong, Nov. 2015.
  16. Y. Chen, D. Sun, B. Lin, T.W. Ching, and W. Li (2015)
    “Dead-beat Direct Torque and Flux Control Based on Sliding-Mode Stator Flux Observer for PMSM in Electric Vehicles,”
    The 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015, 2270 – 2275.
  17. T.W. Ching, K.T. Chau, W. Li and C. Liu (2015)
    “A Low-Speed Linear Harmonic Generator for Grid-Tied and Stand-Alone Operation using Hybrid Excitation Topology,”
    The IEEE International Magnetics Conference (INTERMAG 2015), Beijing, China, May 2015.
  18. F. Xiao, Y. Du, W. Hua, M. Cheng, Y. Sun and T.W. Ching (2015)
    “Winding Configuration Design of Flux-Switching PM Motors Based on Magnetic Gearing Principle,”
    The IEEE International Magnetics Conference (INTERMAG 2015), Beijing, China, May 2015.
  19. W. Li, K.T. Chau and T.W. Ching (2015)
    “A Six-Phase Transverse-Flux-Reversal Linear Machine for Low-Speed Reciprocating Power Generation,”
    The IEEE International Electric Machines & Drives Conference 2015 (IEMDC 2015), Coeur d’Alène, USA, May 2015.
  20. F. Lin, K.T. Chau, C. Liu, C.C. Chan and T.W. Ching (2015)
    “Comparison of Hybrid-excitation Fault-tolerant In-wheel Motor Drives for Electric Vehicles,”
    The 28th International Electric Vehicle Symposium and Exhibition (EVS 28), Goyang, Korea, May 2015.
  21. H. Fan, K.T. Chau, C. Liu, C.C. Chan and T.W. Ching (2015)
    “An Integrated PM Magnetic-geared Machine for Hybrid Electric Vehicles,”
    The 28th International Electric Vehicle Symposium and Exhibition (EVS 28), Goyang, Korea, May 2015.
  22. D. Zhu, C. Shen, Y. Du and T.W. Ching (2015)
    “Comparison of a Novel Modular and Complementary Linear Flux-Switching Permanent Magnet Motor With Different Phase Arrangements,”
    The IEEE International Conference on Industrial Technology 2015 (ICIT 2015), Seville, Spain, March 2015.

  1. W. Li, K.T. Chau, T.W. Ching, C.Liu and C. Qiu (2014)
    “Design of a New Wireless Powering System for Biomedical Micro Robot Using Magnetic Resonance Coupling,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  2. L. Jian, Y. Shi, J. Wei, Y. Zhang, T.W. Ching and W. Li (2014)
    “Design and Analysis of a Direct-Drive Wind Power Generator with Ultra-High Torque Density,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  3. L. Jian, Y. Gong, J. Wei, Y. Shi, Z. Shao, T.W. Ching and W. Li (2014)
    “A Novel Claw Pole Memory Machine for Wide-Speed-Range Applications,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  4. C. Liu, K.T. Chau, Z. Zhang, C. Qiu, F. Lin and T.W. Ching (2014)
    “Multiple-Receptor Wireless Power Transfer for Magnetic  Sensors Charging on Mars via Magnetic Resonant Coupling,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  5. C. Liu, K.T. Chau, Z. Zhang, C. Qiu, W. Li and T.W. Ching (2014)
    “Wireless Power Transfer and Fault Diagnosis of High-Voltage Powerline via Robotic Bird,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  6. C. Qiu, K.T. Chau, C. Liu, T.W. Ching and Z. Zhang (2014)
    “Modular Inductive Power Transmission System for High Misalignment Electric Vehicle Application”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  7. F. Xiao, Y. Du, Y. sun, W. Zhao, W. Li and T.W. Ching (2014)
    “A Novel Double-sided Flux-switching Permanent Magnet Linear Motor,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  8. Z. Zhang, K.T. Chau, C. Liu, C. Qiu, W. Li and T.W. Ching (2014)
    “A Positioning-tolerant Wireless Charging System for Roadway-powered Electric Vehicles,”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  9. J. Ji, Z. Liu, W. Zhao, S. Yan, C. Qiu, W. Li and T.W. Ching (2014)
    “Power Density Improvement of Double-Stator Tubular Permanent-Magnet Motor With Series Magnetic Circuit”
    The 59th Annual Magnetism and Magnetic Materials Conference (MMM 2014), Honolulu, USA, November 2014.
  10. W. Li, K.T. Chau and T.W. Ching (2014)
    “Performance Comparisons of Emerging Move-and-Charge Technologies,”
    The 17th International Conference on Electrical Machines and Systems (ICEMS 2014), Hangzhou, China, October 2014.
  11. Y. Liu, S. Niu, S. Ho, W. Fu and T.W. Ching (2014)
    “Design and Analysis of A new HTS double-stator doubly-fed wind generator,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  12. M. Chen, K.T. Chau, Y, Wang, C. Liu, Y.Fan and T.W. Ching (2014)
    “Novel HTS Magnetic Variable Gear for Wind Power System,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  13. C. Liu, K.T. Chau, Z. Zhang, M. Chan, Y. Fan and T.W. Ching (2014)
    “Design of a Superconducting Wireless Power Transfer System via Mars Rover for Magnetic Sensor Charging on Mars,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  14. F. Lin, K.T. Chau, C. Liu, M. Chen, Y. Fan, T.W. Ching and C.H.T. Lee (2014)
    “Electromagnetic Design of a New Superconducting Flux-Switching Machine for Fault-Tolerant Operation,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  15. Y. Wang, M. Chen, T.W. Ching and K.T. Chau (2014)
    “Design and Analysis of a New HTS Axial Field Flux-Switching Machine,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  16. Y. Liu, W. Fu, S. Ho, S. Niu and T.W. Ching (2014)
    “Electromagnetic Performance Analysis of Novel HTS Doubly-fed Flux-modulated Machines,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  17. F. Xiao, X. Liu, Y. Du, Y. Wang, M. Chen and T.W. Ching (2014)
    “Modeling and Analysis of A Linear Stator Permanent Magnet Vernier HTS Machine,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  18. C. Yu, S. Niu, S.Ho, W. Fu; Y. Liu and T.W. Ching (2014)
    “Design and Analysis of a Double-Sided Linear Flux Switching Motor with High-Temperature Superconductor Field Windings,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  19. Z. Zhang, K.T. Chau, C. Liu, M. Chen, T.W. Ching, and C.H.T. Lee (2014)
    “Superconducting Wireless Power Transfer via Magnetic Resonant Coupling,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  20. W. Li, K.T. Chau, T.W. Ching, and Y. Wang (2014)
    “Design of a high-speed superconducting bearingless machine for flywheel energy storage systems,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  21. T.W. Ching, K.T. Chau, W. Li, and Y. Wang (2014)
    “A high temperature superconducting linear homopolar motor for cableless elevators,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  22. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching and M. Chen (2014)
    “A New Magnetless Flux-Reversal HTS Machine for Direct-Drive Application,”
    Applied Superconductivity Conference (ASC 2014), Charlotte, USA, August 2014.
  23. C.H.T. Lee, K.T. Chau, C.C. Chan, C. Liu and T.W. Ching (2014)
    “Development of Axial-Field Flux-Switching DC In-Wheel Motor Drive for Electric Vehicles,”
    The International Conference on Electrical Engineering (ICEE 2014), Jeju, Korea, June 2014, 1591-1596.
  24. T.W. Ching, T. Xu, W. Li and S. Huang (2014)
    “Evaluation of Electric Vehicles in Macau,”
    The International Conference on Electrical Engineering (ICEE 2014), Jeju, Korea, June 2014, 594-599.
  25. C. Liu, K.T. Chau, C.H.T. Lee, F. Lin, F. Li and T.W. Ching (2014)
    “Magnetic Vibration Analysis of a New DC-Excited Multitoothed Switched Reluctance Machine,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  26. T.W. Ching, K.T. Chau, W. Li and C. Liu (2014)
    “Design of a Hybrid Excited Permanent Magnet Linear Vernier Generator for Wave Energy Extraction,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  27. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching, and F. Li (2014)
    “A High-Torque Magnetless Axial-Flux Doubly-Salient Machine for In-Wheel Direct Drive Applications,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  28. W. Li, K.T. Chau, T.W. Ching and C. Liu (2014)
    “Comparative investigation on electromagnetic compatibility performances of magnetless motor drives for electric vehicles,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  29. C.H.T. Lee, K.T. Chau, C. Liu, T.W. Ching and F. Li (2014)
    “Mechanical Offset for Torque Ripple Reduction for Magnetless Double-Stator Doubly-Salient Machine,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  30. M. Chen, K.T. Chau, C. Liu, Y. Wang, F. Li and T.W. Ching (2014)
    “Electromagnetic Design of a New Magnetic Gear with Electrically Controlled Gear Ratios for Hybrid Electric Vehicles,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  31. Z. Zhang, K.T. Chau, C. Liu, F. Li and T.W. Ching (2014)
    “Quantitative Analysis of Mutual Inductances for Optimal Wireless Power Transfer via Magentic Resonant Coupling,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  32. Z. Zhang, K.T. Chau, C. Liu, F. Li and T.W. Ching (2014)
    “A Contactless Battery Charging System Using Energy Encryption Technique for Roadway-powered Electric Vehicles,”
    The IEEE International Magnetics Conference (INTERMAG 2014), Dresden, Germany, May 2014.
  33. T.W. Ching and Y.S. Wong (2013)
    “Review of Wireless Charging Technologies for Electric Vehicles,”
    5th International Conference on Power Electronics Systems and Applications (PESA 2013), Hong Kong, December 2013.
  34. T.W. Ching (2013)
    “Application of Electric Motorcycles in Macau,”
    The 27th Electric Vehicle Symposium (EVS27), Barcelona, Spain, November 2013, in CD-ROM.
  35. W. Li, C.H.T. Lee and T.W. Ching (2013)
    “A Transverse Flux Permanent Magnet Linear Generator for Hybrid Electric Vehicles,”
    The 22nd IEEE International Symposium on Industrial Electronics (ISIE 2013), Taipei, Taiwan, May 2013.
  36. Z. Zhang, T.W. Ching, C. Liu, C. Qiu and Y. Jiang (2013)
    “Stabilization of Chaos in Electric Vehicle Steering Systems Using Induction Motor Drives,”
    The 22nd IEEE International Symposium on Industrial Electronics (ISIE 2013), Taipei, Taiwan, May 2013.
  37. T.W. Ching, T.H. Cheong (2013)
    “Review of Dimming Technique for High-brightness LED,”
    The26th Annual Canadian Conference on Electrical & Computer Engineering(CCECE 2013), Regina, Canada, May 2013, in CD-ROM.
  38. T.W. Ching, T.H. Cheong (2013)
    “Cost Analysis of Electric Vehicles in Macau,”
    The IEEE 2013 TENCON – SPRING, Sydney, Australia, April 2013, 363-367.
  39. Z. Zhang and T.W. Ching (2012)
    “Comparison of Chaotic PWM Algorithms for Electric Vehicle Motor Drives,”
    The 38th Annual Conference of The IEEE Industrial Electronics Society (IECON 2012), Montreal, Canada, October 2012.
  40. T.W. Ching and Ken Lai (2012)
    “Life Cycle Cost Analysis of Battery-powered Electric Vehicles in Macau,”
    The International Conference on Electrical Engineering (ICEE 2012), Kanazawa, Japan, July 2012, 1340-1344.
  41. T.W. Ching and Ken Lai (2012)
    “Life Cycle Cost Analysis of Electric Vehicles in Macau’s Context,”
    The 26th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium (EVS-26), Los Angeles, USA, May 2012, in CD-ROM.
  42. T.W. Ching, Ken Lai and Leo Iong (2012)
    “Performance Study of Battery-Powered Electric Vehicles in Macau,”
    The 26th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium (EVS-26), Los Angeles, USA, May 2012, in CD-ROM.
  43. T.W. Ching (2011)
    “High Efficiency Dimmable Drives for High-Brightness Light-Emitting-Diode,”
    The IEEE Electrical Power & Energy Conference (EPEC 2011), Winnipeg, Canada, October 2011, 437-442.
  44. T.W. Ching (2011)
    “Application of Electric Vehicles in Macau,”
    The International Conference on Electrical Engineering (ICEE 2011), Hong Kong, July 2011, in CD-ROM.
  45. T.W. Ching (2011)
    “Road testing of electric vehicle in Macau,”
    The 24th Annual Canadian Conference on Electrical & Computer Engineering (CCECE 2011), Niagara Falls, Canada, May 2011, 499-503.
  46. T.W. Ching (2010)
    “Electric vehicle charging stations in Macau,”
    The 25th World Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exhibition (EVS-25), Shenzhen, China, November 2010, in CD-ROM.
  47. T.W. Ching (2010)
    “Transition-mode dimmable LED driver for illumination applications,”
    The International Power Electronics Conference (IPEC 2010), Sapporo, Japan, June 2010, 398-402.
  48. T.W. Ching (2010)
    “Modular dimmable LED driver for general illumination applications,”
    The23rd Annual Canadian Conference on Electrical & Computer Engineering (CCECE 2010), Calgary, Canada, May 2010, in CD-ROM.
  49. T.W. Ching (2009)
    “Development of hybrid electric scooter,”
    The IEEE Electrical Power & Energy Conference (EPEC 2009), Montreal, Canada, October 2009, in CD-ROM.
  50. T.W. Ching (2009)
    “Soft-switching converter for full-bridge AC motor drives,”
    The IEEE International Electric Machines and Drives Conference (IEMDC 2009), Miami, USA, May 2009, 868-873.
  51. T.W. Ching (2008)
    “An investigation on electrical performance of variable-frequency drives for air-conditioning applications,”
    The IEEE Electrical Power & Energy Conference (EPEC 2008), Vancouver, Canada, October 2008, in CD-ROM.
  52. T.W. Ching and K.U. Chan (2008)
    “Review of soft-switching techniques for high-frequency switched-mode power converters,”
    The IEEE Vehicle Power and Propulsion Conference (VPPC 2008), Harbin, China, September 2008, in CD-ROM.
  53. T.W. Ching and K.U. Chan (2008)
    “Soft-switching converter for brushless dc motor drives,”
    The IEEE Vehicle Power and Propulsion Conference (VPPC 2008), Harbin, China, September 2008, in CD-ROM.
  54. T.W. Ching, W.W. Chu, and W.K. Lai (2007)
    “Soft-switching converters for electric propulsion,”
    The 23rd International Electric Vehicle Symposium (EVS-23), Anaheim. USA, Dec 2007, in CD-ROM.
  55. Y.S. Wong, K.T. Chau, C.C. Chan, and T.W. Ching (2006)
    “Battery evaluation and sizing for plug-in hybrid electric vehicles,”
    The 22nd International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exposition (EVS-22), Yokohama, Japan, October 2006, in CD-ROM.
  56. Y.S. Wong, K.T. Chau, C.C. Chan, S.W. Chan, and T.W. Ching (2005)
    “Maximization of economic benefits of electric and hybrid electric vehicles,”
    The 21st Worldwide Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exposition (EVS-21), Monaco, April 2005, in CD-ROM.
  57. C.F. Ma, T.W. Ching, and M.Y. Li (2003)
    “CLP Power substation integrated security management system,”
    The International Conference on Electrical Engineering (ICEE 03), Hong Kong, July 2003, in CD-ROM.
  58. T.W. Ching, K.T. Chau, and C.C. Chan (1998)
    “A novel zero-voltage soft-switching converter for switched reluctance motor drives,”
    The IEEE Industrial Electronics Society Annual International Conference (IECON 98), Aachen, Germany, August 1998, 899-904.
  59. K.T. Chau, T.W. Ching, C.C. Chan, and M.S.W. Chan (1998)
    “A novel zero-current soft-switching converter for switched reluctance motor drives,”
    The IEEE Industrial Electronics Society Annual International Conference (IECON 98), Aachen, Germany, August 1998, 893-898.
  60. T.W. Ching, K.T. Chau, and C.C. Chan (1998)
    “A novel two-quadrant zero-current transition converter for DC motor drives,”
    The IEEE Industrial Electronics Society Annual International Conference (IECON 98), Aachen, Germany, August 1998, 715-720.
  61. T.W. Ching, K.T. Chau, and C.C. Chan (1998)
    “A new zero-voltage-transition converter for switched reluctance motor drives,”
    The IEEE Power Electronics Specialists Conference (PESC98), Japan, May 1998, 1295-1301.
  62. K.T. Chau, T.W. Ching, and C.C. Chan (1998)
    “Bidirectional soft-switching converter-fed DC motor drives,”
    The IEEE Power Electronics Specialists Conference (PESC98), Japan, May 1998, 416-422.
  63. K.T. Chau, T.W. Ching, C.C. Chan, and D.T.W. Chan (1997)
    “A novel two-quadrant zero-voltage transition converter for DC motor drives,”
    The IEEE Industrial Electronics Society Annual International Conference (IECON 97), USA, November 1997, 517-522.
  64. K.T. Chau, T.W. Ching, and C.C. Chan (1996)
    “Constant-frequency multi-resonant converter-fed DC motor drives,”
    The IEEE Industrial Electronics Society Annual International Conference (IECON 96), Taiwan, August 1996, 78-83.

Professional Affiliations

  • Chartered Engineer, United Kingdom.
  • Chartered Professional Engineer, Australia.
  • Registered Professional Engineer, Hong Kong.
  • Senior Member, The Institute of Electrical and Electronics Engineers, United States.
  • Member, The Chartered Institution of Building Services Engineers, United Kingdom.
  • Member, The Institution of Engineering and Technology, United Kingdom.
  • Member, The Institution of Engineers, Australia.
  • Member, The Hong Kong Institution of Engineers.
  • Member, International Research Centre for Electric Vehicles, The University of Hong Kong.
  • Registered for Design, Installation and Maintenance of Electrical Works (HV/LV, any capacity), Director of Electrical and Mechanical Services, Hong Kong.
  • Licensed for Design, Installation and Maintenance of Security Systems, Commissioner of Police, Hong Kong.

Professional Service

  • Assessor, Swiss National Science Foundation (SNSF)
  • Assessor, Research Grants Council of Hong Kong
  • Honorary Treasurer of Power and Energy Section – The IET Hong Kong.
  • Organizing Committee – The 17th Annual Power Symposium 2018, IET.
  • Committee of Power and Energy Section – The IET Hong Kong.
  • Organizer & Chair for “Special Session 01 – Advanced Direct-Drive Electric Machines for Energy Harvesting, Electric Propulsion and Actuation” in IEEE-ISIE18.
  • Organizing Committee – The 16th Annual Power Symposium 2017, IET.
  • Organizer & Chair for “Special Session- Magnetless or Reduced Magnet Machines for Emerging Applications” in IEEE-IEMDC 2017.
  • Organizing Committee – The 15th Annual Power Symposium 2016, IET.
  • Organizer & Chair for “Advanced Electric Machines for Ecological Vehicle Drives and Renewable Energy Harvesting” in EVER 2016.
  • Organizer & Chair for “Special Session- Renewable Energy Harvesting Technique for Future Energy Systems” in IEEE-IECON15.
  • Organizer & Chair for “Special Session- Electrical Machines and Drives for Electric and Hybrid Vehicles” in IEEE-IECON15.
  • Organizing Committee – The 14th Annual Power Symposium 2015, IET.
  • Organizer & Chair for “Special Session-03 Advanced Electric Machines and the Associated Drives for Electric Vehicles” in IEEE-IEMDC15.
  • Organizer & Chair for “Special Session-13 Emerging Technologies for Electric Vehicles” in IEEE-ICIT15.
  • Organizer & Chair for “Special Session-12 Advanced Power Devices for Renewable Energy” in IEEE-ICIT15.
  • Session Co-Chair for “EMD-1: Electrical Machines and Drives” in IEEE-ISIE13.
  • Co-Chairman of Special Session on “Electric Machines and Drives for Electric Vehicles” in IEEE-ISIE13.
  • Co-Chairman of Special Session on “Electric and Hybrid Vehicles” in IEEE-IECON12.
  • Editorial Board Member, Thermal Energy and Power Engineering.
  • Editorial Board Member, International Journal of Energy Engineering.
  • Reviewer, Wiley Encyclopedia of Electrical and Electronics Engineering
  • Reviewer, Journal of Applied Physics
  • Reviewer, Energy Policy, Elsevier.
  • Reviewer, International Journal of Energy Research, Wiley.
  • Reviewer, Energies, MDPI.
  • Reviewer, International Journal of Electrical Engineering Education, Manchester University Press.
  • Reviewer, Computer-aided Design, Elsevier.
  • Reviewer, IEEE Transactions on Industrial Electronics, IEEE.
  • Reviewer, IEEE Energy Conversion Congress & Exposition (ECCE)
  • Reviewer, IEEE Annual Conference of the IEEE Industrial Electronics Society (IECON)
  • Reviewer, IEEE International Symposium on Industrial Electronics (ISIE)
  • Reviewer, IEEE International Electric Machines and Drives Conference (IEMDC)
  • Reviewer, IEEE International Conference on Industrial Technology (ICIT)
  • Reviewer, IEEE Vehicle Power and Propulsion Conference (VPPC)

Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-4071
Telephone: (853) 8822-4352
Fax: (853) 8822-2426
Email: twching