PMSM based on hybrid parameter gain matrix flux observer sensorless control strategy

Zhouhuan Zhang; Liangfu Chen

doi:10.1117/12.3038701

9 August 2024 PMSM based on hybrid parameter gain matrix flux observer sensorless control strategy

Zhouhuan Zhang, Liangfu Chen

Author Affiliations +

Proceedings Volume 13220, Third International Conference on Mechatronics and Mechanical Engineering (ICMME 2024); 132201U (2024) https://doi.org/10.1117/12.3038701
Event: International Conference on Mechatronics and Mechanical Engineering (ICMME 2024), 2024, Xi'an, China

Abstract

Aiming at the problem of sensorless speed and position estimation of permanent magnet synchronous motor, a hybrid parameter gain matrix flux observer is proposed. The state equations of current and flux mixed parameters in α - β coordinate system are established. The current errors of reference model and observation model are taken as sliding surface to adjust the adaptive rate of hybrid parameter gain matrix to observe the coupled flux linkage. The phase-locked loop is used to extract the position and velocity information in ψfα and ψfβ, and a speed sensorless control system based on flux linkage observation is constructed. It shows that the magnetic flux tracking error is small, the response speed is fast and the robustness is strong.

Citation Download Citation

Zhouhuan Zhang and Liangfu Chen "PMSM based on hybrid parameter gain matrix flux observer sensorless control strategy", Proc. SPIE 13220, Third International Conference on Mechatronics and Mechanical Engineering (ICMME 2024), 132201U (9 August 2024); https://doi.org/10.1117/12.3038701

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