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Torque Compensation Method for PMSM over Wide Temperature Range Based on Data-driven Model
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Yuanjun BIAN1, 2, Xuhui WEN1, 2, Tao FAN1, 2, Hongyang LI2, Zhongyong LIU1, 2
Journal of Power Supply | 2026, 24(2) : 264 - 273
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Journal of Power Supply | 2026, 24(2): 264-273
• Motor Drives and Control •
Torque Compensation Method for PMSM over Wide Temperature Range Based on Data-driven Model
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Yuanjun BIAN1, 2, Xuhui WEN1, 2, Tao FAN1, 2, Hongyang LI2, Zhongyong LIU1, 2
Affiliations
  • 1.University of Chinese Academy of Sciences, Beijing 100049, China
  • 2.Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
Published: 2026-02-28 doi: 10.13234/j.issn.2095-2805.2026.2.264
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In the drive system for a permanent magnet synchronous motor (PMSM) used in electric vehicles, optimization strategies such as maximum torque per ampere (MTPA) are often applied to optimize the motor’s operating efficiency. However, the optimization methods based on offline data look-up table and motor parameter identification are difficult to cope with the challenges of motor parameter saturation and permanent magnet temperature change at the same time. In this paper, a method of synchronous compensation of electromagnetic torque and optimal current angle based on data-driven model is proposed. First, a response surface model of flux linkage is established based on the multi-temperature offline data, and a wide-temperature torque model of the motor is obtained by combining the online status information with the offline model through the least square identification of flux linkage error parameters. Then, the electromagnetic torque compensation and online current angle optimization are realized based on this model. Finally, experimental results show that under the premise that the response speed of the proposed method is not inferior to that of the lookup table method, the novel method allows the PMSM to obtain better electromagnetic torque accuracy and torque per ampere over the wide temperature range.

Permanent magnet synchronous motor (PMSM)  /  parameter identification  /  maximum torque per ampere  /  data-driven model  /  electromagnetic torque compensation
边元均, 温旭辉, 范涛, 李鸿扬, 刘忠永. 基于数据驱动模型的永磁同步电机宽温度范围转矩补偿方法. 电源学报, 2026 , 24 (2) : 264 -273 . DOI: 10.13234/j.issn.2095-2805.2026.2.264
Yuanjun BIAN, Xuhui WEN, Tao FAN, Hongyang LI, Zhongyong LIU. Torque Compensation Method for PMSM over Wide Temperature Range Based on Data-driven Model[J]. Journal of Power Supply, 2026 , 24 (2) : 264 -273 . DOI: 10.13234/j.issn.2095-2805.2026.2.264
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  • National Key R&D Program(2021YFB2500600)
Appendix
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Year 2026 volume 24 Issue 2
40
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.2.264
  • Receive Date：2023-07-04
  • Online Date：2026-10-29
  • Published：2026-02-28
Article Data
Affiliations
History
  • Received：2023-07-04
  • Revised：2023-09-06
  • Accepted：2023-09-12
Funding
National Key R&D Program(2021YFB2500600)
Affiliations
    1.University of Chinese Academy of Sciences, Beijing 100049, China
    2.Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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