Academic Staff

Brief Biosketch

Dr. Song Zaixin is a Research Assistant Professor and doctoral supervisor of the Department of Industrial and Systems Engineering (ISE) at The Hong Kong Polytechnic University (PolyU). Dr. Song obtained the degrees of B.Eng. and M.Eng. from Harbin Institute of Technology, Mainland China, in 2016 and 2018, respectively. He received the Ph.D. degree in electrical engineering from the School of Energy and Environment at City University of Hong Kong (CityU), Hong Kong, in 2021. In 2021, he was a postdoctoral research fellow at CityU. In 2022, he joined PolyU ISE. His research interests include Electric Motor Design & Control, Smart Manufacturing and Robotics, Sustainable Transport Propulsion, Renewable Energy, among other related fields. Dr. Song has been honored the Outstanding Academic Performance Award at CityU for many times, and received the Chow Yei Ching School of Graduate Studies Scholarships. He has published more than 50 academic papers including 42 internationally recognized SCI journal articles. He has 16 CN and US patents authorized. He is currently the Editorial Board Member and Guest Editor of well-known SCI journals, IEEE Member, CES Member, APEN Academy Member.

Research Interests

• Electric Motor Design & Control Technologies
• Smart Manufacturing and Robotics
• Sustainable Transport Propulsion
• Renewable Energy

Professional Services

Professional Memberships:

• 11/2021-Present: Member of Flux-Modulation Machine Committee, China Electrical Society;
• 09/2021-Present: Expert Member of "ELECTRIC NEW SCOPE";
• 01/2020-Present: IEEE Member; Member of IEEE Industrial Electronics Society, Power Electronics Society, Power & Energy Society, Industry Applications Society, Magnetics Society, etc.;

Academic Services:

• 06/2022-Present: Organizer, Guest Editor, & Co-Chair of the Special Session "Advanced Electric Machine and Drive System Technologies for Flying Electric Vehicles" in IEEE IES conference ICIT 2022;
• 11/2021-Present: Organizer & Chair Guest Editor of the Special Issue "Portable Power Generation and Energy Harvesting with Advanced Electric Devices" in MDPI journal "Energies";
• 09/2015-Present: As the Invited Reviewer for many internationally recognized journals, including Proceeding of the IEEE (PIEEE), IEEE Transactions on Industrial Electronics (TIE), IEEE Transactions on Power Electronics (TPEL), IEEE Transactions on Energy Conversion (TEC), IEEE Journal of Emerging and Selected Topics in Power Electronics (JESTPE), IEEE Transactions on Vehicular Technology (TVT), IEEE Transactions on Transportation Electrification (TTE), IEEE Transactions on Magnetics (TMAG), Open Journal of Industrial Electronics Society (OJIES), Energies, IET Electric Power Applications (EPA), IET Renewable Power Generation (RPG), etc.

Publications

Journal Articles:

• Z. Song, R. Huang, W. Wang, Z. Dong and C. Liu, "Harmonic Current Control of OW-PMSM for Low-Voltage Traction by Nonlinear Disturbance Rejection with Improved Modulation Scheme," IEEE Transactions on Vehicular Technology, 2022, (Early Access), doi: 10.1109/TVT.2022.3216543. (SCI, IF=6.239, JCR=Q1)
• Z. Song and C. Liu, "Electric Machine Design by a Novel Fast Model Predictive Optimization Strategy Treating Dimension-Expensive Problem," IEEE Transactions on Transportation Electrification, 2022, (Early Access), doi: 10.1109/TTE.2022.3215782. (SCI, IF=6.519, JCR=Q1)
• Z. Song, Z. Dong, W. Wang, S. Liu and C. Liu, "A Novel Modulation Strategy for Asymmetrical Six-Phase Series-Winding PMSM Based on Predictive Controller," IEEE Transactions on Industrial Electronics, 2022, (Early Access), doi: 10.1109/TIE.2022.3199861. (SCI, IF=8.162, JCR=Q1)
• Z. Song and C. Liu, "Energy efficient design and implementation of electric machines in air transport propulsion system," Applied Energy, vol. 322, p. 119472, 2022/09/15/ 2022, doi: https://doi.org/10.1016/j.apenergy.2022.119472. (SCI, IF=11.446, JCR=Q1)
• Z. Song, R. Huang, W. Wang, S. Liu and C. Liu, "An Improved Dual Iterative Transient Thermal Network Model for PMSM with Natural Air Cooling," IEEE Transactions on Energy Conversion, 2022, (Early Access), doi: 10.1109/TEC.2022.3179172. (SCI, IF=4.877, JCR=Q1)
• Z. Song, C. Liu, Y. Chen, and R. Huang, "Air-Gap Permeance and Reluctance Network Models for Analyzing Vibrational Exciting Force of In-Wheel PMSM," IEEE Transactions on Vehicular Technology, vol. 71, no. 7, pp. 7122-7133, 2022, doi: 10.1109/TVT.2022.3167131. (SCI, IF=6.239, JCR=Q1)
• Z. Song, C. Liu, Z. Dong, and R. Huang, "Improved Multi-Stage Decoupling Space Vector Modulation for Asymmetrical Multi-Phase PMSM With Series Winding Connection," IEEE Transactions on Power Electronics, vol. 37, no. 9, pp. 10951-10966, 2022, doi: 10.1109/TPEL.2022.3163275. (SCI, IF=5.967, JCR=Q1)
• Z. Song, C. Liu, H. Zhao, and R. Huang, "Nonlinear Force and Vibration Analysis of an Interior Permanent Magnet Synchronous Generator With Eccentricity Detection," IEEE/ASME Transactions on Mechatronics, pp. 1-11, 2021, doi: 10.1109/TMECH.2021.3118316. (SCI, IF=5.867, JCR=Q1)
• Z. Song, C. Liu, and H. Zhao, "Exact Multiphysics Modeling and Experimental Validation of Spoke-Type Permanent Magnet Brushless Machines," IEEE Transactions on Power Electronics, vol. 36, no. 10, pp. 11658-11671, 2021, doi: 10.1109/TPEL.2021.3069922. (SCI, IF=5.967, JCR=Q1)
• Z. Song, C. Liu, S. Liu, and W. Wang, "Active Harmonic Suppression of Low-Reactance Multiphase Slotless Permanent Magnet Synchronous Machines," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 10, no. 2, pp. 1777-1787, 2022, doi: 10.1109/JESTPE.2021.3050353. (SCI, IF=5.462, JCR=Q1)
• Z. Song, C. Liu, F. Chai, and H. Zhao, "Modular Design of an Efficient Permanent Magnet Vernier Machine," IEEE Transactions on Magnetics, vol. 56, no. 2, pp. 1-6, 2020, doi: 10.1109/TMAG.2019.2947137. (SCI, IF=1.848, JCR=Q3)
• Z. Song, C. Liu, K. Feng, H. Zhao, and J. Yu, "Field Prediction and Validation of a Slotless Segmented-Halbach Permanent Magnet Synchronous Machine for More Electric Aircraft," IEEE Transactions on Transportation Electrification, vol. 6, no. 4, pp. 1577-1591, 2020, doi: 10.1109/TTE.2020.2982733. (SCI, IF=6.519, JCR=Q1)
• Z. Song, C. Liu, and H. Zhao, "Investigation on Magnetic Force of a Flux-Modulated Double-Rotor Permanent Magnet Synchronous Machine for Hybrid Electric Vehicle," IEEE Transactions on Transportation Electrification, vol. 5, no. 4, pp. 1383-1394, 2019, doi: 10.1109/TTE.2019.2946494. (SCI, IF=6.519, JCR=Q1)
• Z. Song, C. Liu, and H. Zhao, "Quantitative Comparison of Distinct Dual-Stator Permanent Magnet Vernier Machines for Direct-Drive Applications," IEEE Transactions on Magnetics, vol. 55, no. 7, pp. 1-6, 2019, doi: 10.1109/TMAG.2019.2914718. (SCI, IF=1.848, JCR=Q3)
• Z. Song, Y. Yu, F. Chai, and Y. Tang, "Radial Force and Vibration Calculation for Modular Permanent Magnet Synchronous Machine With Symmetrical and Asymmetrical Open-Circuit Faults," IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 1-5, 2018, doi: 10.1109/TMAG.2018.2848724. (SCI, IF=1.848, JCR=Q3)

Conference Papers:

• Z. Song, C. Liu, and H. Zhao, "Improved Torque Density of a Permanent Magnet Brushless AC Motor with Novel Pulse Width Modulation Magnet for Electrified Application," in IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020, pp. 4691-4696, doi: 10.1109/IECON43393.2020.9255217.
• Z. Song and C. Liu, "Induced Voltage Optimization of a Direct-Drive Multi-Phase Permanent Magnet Vernier Generator for Tidal Energy Conversion," in 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2019, pp. 1-5, doi: 10.1109/APPEEC45492.2019.8994634.
• Z. Song, C. Liu, and H. Zhao, "Comparative Analysis of Slotless and Coreless Permanent Magnet Synchronous Machines for Electric Aircraft Propulsion," in 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), 2019, pp. 1-6, doi: 10.1109/ICEMS.2019.8921494.
• Z. Song, Y. Pei, Y. Li, S. Li, and F. Chai, "Analysis of Vibration in Modular Fault-tolerant PMSM under One-phase Open-circuit Fault," in 2018 XIII International Conference on Electrical Machines (ICEM), 2018, pp. 2565-2571, doi: 10.1109/ICELMACH.2018.8507125.

 Patents

• Chinese Patent: Xuyang Liu, Zaixin Song, Dong Lei, Yongcan Huang. 一种环绕聚磁型无铁心永磁直线伺服电机. China. (Retrieved, Public Code: CN114977717A, Date: 2022-08-30)
• Chinese Patent: Xuyang Liu, Zaixin Song, Yongcan Huang. 一种增磁型双调制环的磁齿轮复合电机结构. China. (Retrieved, Public Code: CN217427794U, Date: 2022-09-13)
• Chinese Patent: Xuyang Liu, Zaixin Song, Yongcan Huang. 一种增磁型双调制环的磁齿轮复合电机结构. China. (Retrieved, Public Code: CN114598090A, Date: 2022-06-07)
• Chinese Patent: Xuyang Liu, Zaixin Song, Yongcan Huang. 一种双直驱混合游标执行器电机结构. China. (Retrieved, Public Code: CN114499090A, Date: 2022-05-13)
• US Patent: Chunhua Liu, Rundong Huang, Zaixin Song. Motor. Jun 22, 2021. https://scholars.cityu.edu.hk/en/publications/publication(30f56efa-06bf-4868-9878-4af14ec29720).html
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种永磁无刷力矩电动机半开放式强迫风冷散热结构. China. (Retrieved, Public Code: CN112531972A, Date: 2021-03-19)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种永磁无刷力矩电动机半开放式强迫风冷散热结构. China. (Retrieved, Public Code: CN213754250U, Date: 2021-07-20)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种适用于双定子永磁无刷力矩电动机的绕组结构. China. (Retrieved, Public Code: CN112532003A, Date: 2021-03-19)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种适用于双定子永磁无刷力矩电动机的绕组结构. China. (Retrieved, Public Code: CN213754281U, Date: 2021-07-20)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种永磁无刷直流电机的连轴位置反馈结构. China. (Retrieved, Public Code: CN214256053U, Date: 2021-09-21)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种无刷马达用内部磁位置反馈结构. China. (Retrieved, Public Code: CN215300451U, Date: 2021-12-24)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种内埋式复合永磁体式双定子无刷电动机拓扑结构. China. (Retrieved, Public Code: CN214314991U, Date: 2021-09-28)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 一种适用于无刷马达的定子全方位紧固结构. China. (Retrieved, Public Code: CN214543827U, Date: 2021-10-29)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 无刷电机(PMM-S01). China. (Retrieved, Public Code: CN306628832S, Date: 2021-06-22)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 无刷电机(PMM-R01). China. (Retrieved, Public Code: CN306695049S, Date: 2021-07-20)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 无刷电机(PMM-RW02). China. (Retrieved, Public Code: CN306721444S, Date: 2021-07-30)
• Chinese Patent: Long Li, Junqiang Liang, Xuyang Liu, Zaixin Song. 新型永磁电机(PMM-SW02). China. (Retrieved, Public Code: CN306760356S, Date: 2021-08-17)