Research on Speed Control of PMSM Based on Super-Twisting Sliding Mode Corrected Differential Linear Active Disturbance Rejection

Fei Tan, Yuxin Ma and Chaohui Zhao ()
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Fei Tan: School of Intelligent Equipment Engineering, Wuxi Taihu University, Wuxi 214064, China
Yuxin Ma: School of Electrical Engineering, Shanghai Dianji University, Shanghai 201306, China
Chaohui Zhao: School of Intelligent Equipment Engineering, Wuxi Taihu University, Wuxi 214064, China

Energies, 2025, vol. 18, issue 17, 1-21

Abstract: To improve the dynamic response and disturbance rejection performance of a permanent magnet synchronous motor (PMSM) speed control system, this paper designs a speed control strategy of PMSM based on super-twisting sliding mode corrected differential linear active disturbance rejection (STSM-CDLADRC). First, the speed loop model of a permanent magnet synchronous motor based on traditional LADRC is established. Second, the observer of LADRC is reconstructed according to the principle of error control, and the differential linear extended state observer (DLESO) is obtained. Then, to solve the observation hysteresis problem existing in the DLESO, the phase lead correction unit is introduced, and a corrected DLESO is designed (CDLESO); on this basis, the feedback rate in LADRC is also improved by using the super-twisting sliding mode control algorithm to design the super-twisting sliding mode linear state error feedback rate (STSM-LSEF), which improves the dynamic response performance of the system. Finally, the effectiveness and feasibility of the designed control strategy are verified by MATLAB/Simulink simulation and an experimental platform, and the results show that in the speed control system of the PMSM, the strategy effectively improves the dynamic response performance and anti-disturbance performance of the system.

Keywords: permanent magnet synchronous motors; linear active disturbance rejection control; phase lead correction; super-twisting sliding mode (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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