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To enhance the dynamic response property and anti-interference capability of the permanent magnet synchronous motor (PMSM) system, the article proposes a sliding mode controller based on the Super-Twisting Algorithm (STA), which has been successfully applied to the speed control of the PMSM system. The stability and finite-time convergence property of this control algorithm were proven. To prove the effectiveness of the proposed STA algorithm, the designed super-twisting sliding mode controller (STSMC) was compared with the traditional PI controller. Simulation results show that the control strategy has better speed regulation performance and response speed when the motor is started with no load and subjected to external disturbances, while also possessing better robustness and anti-interference capability.

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Super-Twisting Sliding Mode Controller Design for Permanent Magnet Synchronous Motor

  • 会议论文

  • 发表日期：

    2025年

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  • Lei Zhang,
  • Jie Huang,
  • Yizhen Yang,
  • Xiaodong Xie,
  • Yaohuan Tan,
  • Beibei Cui,
  • Jintong Lu,
  • Yuxi Zhang

摘要

To enhance the dynamic response property and anti-interference capability of the permanent magnet synchronous motor (PMSM) system, the article proposes a sliding mode controller based on the Super-Twisting Algorithm (STA), which has been successfully applied to the speed control of the PMSM system. The stability and finite-time convergence property of this control algorithm were proven. To prove the effectiveness of the proposed STA algorithm, the designed super-twisting sliding mode controller (STSMC) was compared with the traditional PI controller. Simulation results show that the control strategy has better speed regulation performance and response speed when the motor is started with no load and subjected to external disturbances, while also possessing better robustness and anti-interference capability.