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An Improved UDE-Based Flux-Weakening Control Strategy for IPMSM

Author

Listed:
  • Xin Gu

    (School of Electrical Engineering and Automation, Tiangong University, Tianjin 300387, China)

  • Tao Li

    (School of Electrical Engineering and Automation, Tiangong University, Tianjin 300387, China)

  • Xinmin Li

    (School of Electrical Engineering and Automation, Tiangong University, Tianjin 300387, China)

  • Guozheng Zhang

    (School of Electrical Engineering and Automation, Tiangong University, Tianjin 300387, China)

  • Zhiqiang Wang

    (School of Artificial Intelligence, Tiangong University, Tianjin 300387, China)

Abstract

Interior permanent magnet synchronous motors (IPMSMs) are usually used in electric vehicle drives and in other applications. In order to enlarge the speed range of IPMSMs, the flux-weakening control method is adopted. The traditional flux-weakening control strategy degrades the control performance because of parameter mismatches caused by variation of motor parameters. An improved uncertainty and disturbance estimator (UDE)-based flux-weakening control strategy is proposed for IPMSM drives in this paper. The parameter tuning method in the UDE-based control is improved. In addition, a flux-weakening adjusting factor is put forward to reduce the torque fluctuation when the operation point switches between the constant torque region and the flux-weakening region. This factor can be adjusted online by a lookup table. Finally, the validity of proposed method is verified by the simulation and experimental results. The results show that the proposed control strategy can effectively enhance the robustness of the system in the flux-weakening region, and make the system switch more smoothly between the constant torque region and the flux-weakening region.

Suggested Citation

  • Xin Gu & Tao Li & Xinmin Li & Guozheng Zhang & Zhiqiang Wang, 2019. "An Improved UDE-Based Flux-Weakening Control Strategy for IPMSM," Energies, MDPI, vol. 12(21), pages 1-17, October.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:21:p:4077-:d:280421
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    Citations

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    Cited by:

    1. Do-Yun Kim & Jung-Hyo Lee, 2021. "Compensation of Interpolation Error for Look-Up Table-Based PMSM Control Method in Maximum Power Control," Energies, MDPI, vol. 14(17), pages 1-16, September.
    2. Pham Quoc Khanh & Viet-Anh Truong & Ho Pham Huy Anh, 2021. "Extended Permanent Magnet Synchronous Motors Speed Range Based on the Active and Reactive Power Control of Inverters," Energies, MDPI, vol. 14(12), pages 1-16, June.
    3. Kai Zhou & Min Ai & Dongyang Sun & Ningzhi Jin & Xiaogang Wu, 2019. "Field Weakening Operation Control Strategies of PMSM Based on Feedback Linearization," Energies, MDPI, vol. 12(23), pages 1-18, November.

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