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Full-Speed Range Encoderless Control for Salient-Pole PMSM with a Novel Full-Order SMO

Author

Listed:
  • Yuanlin Wang

    (The School of Automation, Northwestern Polytechnical University, Xi’an 710072, China)

  • Xiaocan Wang

    (The School of Automation, Northwestern Polytechnical University, Xi’an 710072, China)

  • Wei Xie

    (Quanzhou Institute of Equipment Manufacturing, Haixi Institutes, Chinese Academy of Sciences, Jinjiang 362200, China)

  • Manfeng Dou

    (The School of Automation, Northwestern Polytechnical University, Xi’an 710072, China)

Abstract

For salient-pole permanent magnet synchronous motor (PMSM), the amplitude of extended back electromotive force (EEMF) is determined by rotor speed, stator current and its derivative value. Theoretically, even at extremely low speed, the back EEMF can be detected if the current in q -axis is changing. However, it is difficult to detect the EEMF precisely due to the current at low speed. In this paper, novel full-order multi-input and multi-output discrete-time sliding mode observer (SMO) is built to detect the rotor position. With the proposed rotor position estimation technique, the motor can start up from standstill and reverse between positive and negative directions without a position sensor. The proposed method was evaluated by experiment.

Suggested Citation

  • Yuanlin Wang & Xiaocan Wang & Wei Xie & Manfeng Dou, 2018. "Full-Speed Range Encoderless Control for Salient-Pole PMSM with a Novel Full-Order SMO," Energies, MDPI, vol. 11(9), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:9:p:2423-:d:169520
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    Citations

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    Cited by:

    1. Nikola Lopac & Neven Bulic & Niksa Vrkic, 2019. "Sliding Mode Observer-Based Load Angle Estimation for Salient-Pole Wound Rotor Synchronous Generators," Energies, MDPI, vol. 12(9), pages 1-22, April.
    2. Jongwon Choi & Kwanghee Nam, 2018. "Wound Synchronous Machine Sensorless Control Based on Signal Injection into the Rotor Winding," Energies, MDPI, vol. 11(12), pages 1-20, November.
    3. Shuo Chen & Xiao Zhang & Xiang Wu & Guojun Tan & Xianchao Chen, 2019. "Sensorless Control for IPMSM Based on Adaptive Super-Twisting Sliding-Mode Observer and Improved Phase-Locked Loop," Energies, MDPI, vol. 12(7), pages 1-19, March.

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