Dr. Liu Senyi focuses on the research of traction system motor drive control system. He has participated in Hong Kong ITF and RGC funded projects, and has been approved by Shanghai Overseas Leaders Program and National Youth Natural Science Fund. He has served as editor of SCI special issue, co-organizer of IET special issue and moderator of international conference. A total of 54 SCI papers were published, of which 5 were highly cited by ESI. With the energy efficiency improvement of heterogeneous topological permanent magnet motor traction system as the core work, he won the 2022 IEEE Transportation Electrification Society best doctoral thesis award, and has been included in the world's top 2% top scientists list.
Education
2011.09-2018.06 Institute of Railway Transit, Tongji University Bachelor and Master
2018.09-2021.10 PhD in Motor Drive and Power Electronics, City University of Hong Kong
Experience
2021.09-2023.02 Postdoctoral Fellow, City University of Hong Kong
2023.02-present Research Professor of Tongji University
Research interests
Motor controller design (main direction):
1. Multiphase motor control, open winding motor control, series end winding motor control
2. Predictive controller design with space vector control and carrier PWM control
3. Full speed zone control, MTPA, FW and MTPV controller design
Fault diagnosis and fault-tolerant traction system design (main direction):
1. Full-speed fault-tolerant controller design for polyphase, open winding and series end winding topologies
2. Predictive health management design of the motor drive system (inverter and motor itself)
Honors & Awards
01/2023 IEEE Transportation Electrification Society 2022 Best Doctoral Thesis Award winner
11/2022 Shanghai Overseas Leading Plan
2023&2024 Top 2% of highly cited scientists worldwide
Publications
(1) Parameter online estimation of multiphase permanent magnet motor
S. Liu and C. Liu, "Virtual-Vector-Based Robust Predictive Current Control for Dual Three-Phase PMSM," in IEEE Transactions on Industrial Electronics, vol. 68, no. 3, pp. 2048-2058, March 2021, doi: 10.1109 / TIE. 2020.2973905. [IF: 8.162; Citation of Google Scholar: 59; Citation of Scopus: 45.]
(2) Multi-objective dimensionality reduction predictive control algorithm for polyphase motor
S. Liu, C. Liu, Z. Song, Z. Dong, and Y. Huang, "Candidate Modulation Patterns Solution for Five-Phase PMSM Drive System," in IEEE Transactions on Transportation Electrification, vol. 8, no. 1, pp. 1194-1208, March 2022, doi: 10.1109 / TTE. 2021.3104876. [IF: 6.519; Citation of Google - Scholar: 28; Citation of Scopus: 15.] ESI Highly Cited Paper (2022.07-Present)
(3) Direct switching mode predictive control algorithm framework
S. Liu, C. Liu, Y. Huang and Y. Xiao, "Direct Modulation Pattern Control for Dual Three-Phase PMSM Drive System," in IEEE Transactions on Industrial Electronics, vol. 69, no. 1, pp. 110-120, Jan. 2022, doi: 10.1109 / TIE. 2021.3053880. [IF: 8.162; Citation of Google Scholar: 33; Citation of Scopus: 22.] ESI Highly Cited Paper (2022.07-Present)
(4) Universal modulation process under series winding topology with high bus voltage utilization
S. Liu, Z. Song, Z. Dong, Y. Liu and C. Liu, "Generic Carrier-based PWM Solution for Series-end Winding PMSM Traction System with Adaptative Overmodulation Scheme," The IEEE in the Transactions on Transportation Electrification, 2022, doi: 10.1109 / TTE. 2022.3193272. [IF: 6.519; Citation of Google-Scholar: 4; Citation of Scopus: 0.]
(5) The current trajectory generation scheme of full-speed multiphase motor with optimal efficiency
S. Liu, Z. Song, Y. Liu, Y. Chen, and C. Liu, "Flux-Weakening Controller Design of Dual Three-phase PMSM Drive System with Copper Loss Minimization," The IEEE in the Transactions on Power Electronics, 2022, doi: 10.1109 / TPEL. 2022.3216513. [IF: 5.967; Citation of Google-Scholar: 3; Citation of Scopus: 0.]