Active Disturbance Rejection Control of Permanent Magnet Synchronous Motor Based on RPLESO

Chengpeng Zhou, Bo Wang, Kai Liu () and Kaixuan Ren
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Chengpeng Zhou: School of Civil Engineering, Southeast University, Nanjing 210018, China
Bo Wang: Xi’an Modern Control Technology Research Institute, Xi’an 710065, China
Kai Liu: Ningbo Yingkai Intelligent Equipment Co., Ltd., Ningbo 315000, China
Kaixuan Ren: Ningbo Yingkai Intelligent Equipment Co., Ltd., Ningbo 315000, China

Energies, 2024, vol. 17, issue 12, 1-16

Abstract: In view of the problem of the low-speed jitter of household lawn mowers driven by a permanent magnet synchronous motor (PMSM) at low speeds and high torque, and the complicated parameters of traditional non-linear active disturbance rejection controllers, a partially optimized linear active disturbance rejection control (LADRC) driving PMSM strategy is proposed. First, the linear extended state observer (LESO), which bears a significant burden in terms of speed and load estimation in active disturbance rejection control, is optimized by reducing its order to improve the anti-disturbance performance of the active disturbance rejection controller within a limited bandwidth. Secondly, the reduced-order parallel linear extended state observer (RPLESO) is obtained by optimizing the parallel structure of the order-reduced LESO, which improves the control precision and robustness of the system. Through a simulation and experimental verification, the optimized LADRC control of the PMSM system is shown to improve the parameter adjustability, speed estimation precision and system robustness.

Keywords: permanent magnet synchronous motor; parallel order-reduced linear extended state observer; linear active disturbance rejection control; vector control (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: 2024
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