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Second-Order Sliding Mode Control of Permanent Magnet Synchronous Motor Based on Singular Perturbation

Author

Listed:
  • Zhiming Liao

    (National Maglev Transportation Engineering R&D Center, Tongji University, Shanghai 200092, China)

  • Yue Hao

    (School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Tao Guo

    (School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Bingxin Lv

    (School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Qiang Wang

    (School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

The second-order sliding mode control has strong robustness. Its application has greatly improved the anti-jamming ability of permanent magnet synchronous motor(PMSM) speed control systems. However, the influence of noise is unavoidable due to the introduction of a differentiator in the second-order sliding mode control, and the steady-state performance of the system is poor due to the absence of a q-axis current loop. This paper proposes a second-order sliding mode control method based on singular perturbation, which decouples the PMSM speed control system into two subsystems, the slow subsystem, including the speed variable, adopts second-order sliding mode control, and the fast subsystem, including the current variable of q-axis, adopts linear control. The design of a sliding surface for the slow subsystem avoids the application of the differentiator, which reduces the chattering better. Besides this, the steady-state performance of the system is improved due to the introduction of the feedback current of the q-axis. Experimental results show that the proposed method has strong robustness and can achieve high-precision control.

Suggested Citation

  • Zhiming Liao & Yue Hao & Tao Guo & Bingxin Lv & Qiang Wang, 2022. "Second-Order Sliding Mode Control of Permanent Magnet Synchronous Motor Based on Singular Perturbation," Energies, MDPI, vol. 15(21), pages 1-13, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:21:p:8028-:d:956451
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    References listed on IDEAS

    as
    1. Peng Gao & Guangming Zhang & Xiaodong Lv, 2021. "Model-Free Control Using Improved Smoothing Extended State Observer and Super-Twisting Nonlinear Sliding Mode Control for PMSM Drives," Energies, MDPI, vol. 14(4), pages 1-15, February.
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    Cited by:

    1. Zhao, Heqi & Ma, Xindong & Yang, Weijie & Zhang, Zhao & Bi, Qinsheng, 2023. "The mechanism of periodic and chaotic bursting patterns in an externally excited memcapacitive system," Chaos, Solitons & Fractals, Elsevier, vol. 171(C).

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