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An Improved Sliding Mode Control Method to Increase the Speed Stability of Permanent Magnet Synchronous Motors

Author

Listed:
  • Yuhao Wei

    (School of Computer & Computing Science, Zhejiang University City College, Hangzhou 310015, China)

  • Li Sun

    (School of Intelligence Manufacturing, Huanghuai University, Zhumadian 463000, China)

  • Zhongxian Chen

    (School of Intelligence Manufacturing, Huanghuai University, Zhumadian 463000, China)

Abstract

A permanent magnet synchronous motor (PMSM) plays an important role in the operation performance of an electric vehicle. In order to increase the speed stability of PMSMs, an improved sliding mode control (SMC) method is proposed in this paper. Firstly, the control process of a PMSM is divided into parts, which are the torque closed-loop control and speed closed-loop control. Secondly, an integrated control method with proportional integral (PI) and inverter switching frequency is adopted in order to increase the torque performance of the PMSM. Lastly, compared with the traditional SMC method, an improved SMC method with saturation function is proposed in order to decrease the speed fluctuation of the PMSM from 7.7% to 5.9%, thereby increasing the speed stability of the PMSM. The results of the experimental test indicate that both the speed stability and starting performance of the PMSM are increased by the improved SMC method.

Suggested Citation

  • Yuhao Wei & Li Sun & Zhongxian Chen, 2022. "An Improved Sliding Mode Control Method to Increase the Speed Stability of Permanent Magnet Synchronous Motors," Energies, MDPI, vol. 15(17), pages 1-12, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:17:p:6313-:d:901207
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    References listed on IDEAS

    as
    1. Łukasz J. Niewiara & Rafał Szczepański & Tomasz Tarczewski & Lech M. Grzesiak, 2022. "State Feedback Speed Control with Periodic Disturbances Attenuation for PMSM Drive," Energies, MDPI, vol. 15(2), pages 1-18, January.
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    Cited by:

    1. Zhongxian Chen & Xu Li & Yingjie Cui & Liwei Hong, 2022. "Modeling, Experimental Analysis, and Optimized Control of an Ocean Wave Energy Conversion System in the Yellow Sea near Lianyungang Port," Energies, MDPI, vol. 15(23), pages 1-16, November.
    2. Paola Maidana & Christian Medina & Jorge Rodas & Edgar Maqueda & Raúl Gregor & Pat Wheeler, 2022. "Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter," Energies, MDPI, vol. 15(22), pages 1-17, November.

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