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Load Disturbance Suppression Method for Permanent Magnet Synchronous Motor Based on Super-Twisting Sliding Mode Observer
ID：73 View Protection：ATTENDEE Updated Time：2025-10-11 22:41:10 Hits：211 Poster Presentation

Start Time：2025-11-09 09:04（Asia/Shanghai）

Duration：1min

Session：P Poster presentation » P77.Electric Machine Design and Control

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Abstract
   To address the load disturbance issues inherent in practical permanent magnet synchronous motor (PMSM) control systems, this paper proposes the integration of a super-twisting sliding mode algorithm into the load observer design. The mathematical model of the PMSM is established and discretized, and the signum function is replaced with an S-function, thereby enabling the incorporation of the estimated torque value into the q-axis current control loop. By employing load torque feedforward compensation, the proposed scheme effectively mitigates disturbances-induced fluctuations in stator current and rotor position, alleviates the chattering phenomenon prevalent in conventional sliding mode observers, and enhances the dynamic response speed of the system. Simulation and experimental results both confirm that the super-twisting sliding mode observer outperforms conventional sliding mode control methods.
Keywords
Load feedforward compensation,Sliding mode observer,Super-twisting algorithm,PMSM
Speaker
Fangfei Ni
Undergraduate Studen Harbin Institute of Technology

Submission Author
Quntao An Harbin Institute of Technology
Fangfei Ni Harbin Institute of Technology
Chengmin Bian Harbin Institute of Technology
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Important Date

  • Conference Date

    Nov 07

    2025

    to

    Nov 09

    2025

  • Oct 30 2025

    Draft paper submission deadline

  • Nov 10 2025

    Registration deadline

Sponsored By
IEEE西南交通大学IAS学生分会
Organized By
西南交通大学电气工程学院
SPACI车网关系研究室
四川大学电力系统稳定与高压直流输电研究团队
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