JACIII Vol.26 No.2 pp. 226-235
doi: 10.20965/jaciii.2022.p0226


Torque Control for Electric Drive System Used in Electric Vehicle in the Presence of Permanent Magnet Demagnetization Faults

Gang Huang*, Jiajun Li*, Wei Huang*, Yao Yang**, and Kaihui Zhao***,†

*College of Railway Transportation, Hunan University of Technology
No.88 Taishan Xi Road, Tianyuan District, Zhuzhou, Hunan 412007, China

**Hunan Traditional Chinese Medical College
No.136 Lusong Road, Lusong District, Zhuzhou, Hunan 412012, China

***College of Electrical and Information Engineering, Hunan University of Technology
No.88 Taishan Xi Road, Tianyuan District, Zhuzhou, Hunan 412007, China

Corresponding author

June 3, 2021
February 7, 2022
March 20, 2022
permanent magnet synchronous motor, sliding-mode observer, active disturbance rejection control

The performance of conventional torque control for PMSM drive used in electric vehicles (EVs) from the viewpoint of permanent magnet (PM) demagnetization faults has not been satisfactory. Therefore, a combination method based on sliding-mode observer and active disturbance rejection control is presented. First, the model of the PMSM system with PM demagnetization faults is constructed. Then, a sliding-mode observer is designed based on a minimum extended flux linkage to estimate the torque and the PM flux linkages of the system. A current controller is presented based on active disturbance rejection control approach to reject the PM demagnetization faults. The method is useful to improve the control performance of the PMSM drive system. And the system is robust to system parameters variations. Finally, an RT-LAB real-time simulation is used to build a simulation model of hardware-in-the-loop based on the experimentally validated model that is derived from the actual development process for an electric bus. The simulation and experimental results demonstrate the effectiveness of the method.

Cite this article as:
Gang Huang, Jiajun Li, Wei Huang, Yao Yang, and Kaihui Zhao, “Torque Control for Electric Drive System Used in Electric Vehicle in the Presence of Permanent Magnet Demagnetization Faults,” J. Adv. Comput. Intell. Intell. Inform., Vol.26, No.2, pp. 226-235, 2022.
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Last updated on May. 20, 2022