Nonlinear Active Disturbance Rejection Controller Design and Tuning for Permanent Magnet Synchronous Motor Speed Control System

被引：0

作者：

Sun B. ^{[1
]}

Wang H. ^{[1
]}

Su T. ^{[1
]}

Sheng C. ^{[1
]}

Lyu X. ^{[1
]}

机构：

[1] College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2020年 / 40卷 / 20期

基金：

中国国家自然科学基金;

关键词：

Active disturbance rejection control; Low-speed control; Parameter tuning; Permanent magnet synchronous motor (PMSM); Speed control system;

D O I：

10.13334/j.0258-8013.pcsee.200018

中图分类号：

学科分类号：

摘要：

Traditional PI control-based speed control systems exhibit poor performance of parameter applicability and disturbance rejection. Especially when the motor operates at a low speed, the torque ripple and the accuracy of the sensor are limited, which leads to the poor load capacity. Due to the capability of estimate and compensation of the disturbance, nonlinear active disturbance rejection controller (NLADRC) can effectively improve the tracking accuracy and the anti-interference capability of the speed control system of permanent magnet synchronous motor (PMSM). However, there are still some problems, such as of multiple tuning parameters to be determined and unclear physical meaning for NLADRC. In this paper, the mechanism of disturbance rejection was analyzed, the impact of each parameter on the dynamic and static performance of the whole system was studied, and a summary of tuning rules for different parameters was provided. In addition, the tracking differentiator was used to smooth the position signal of encoder at a low speed, which can reduce the influence of the noise and improve the accuracy and stability of the system. To verify the effectiveness of the improved control method, some experiments were carried out on the 3.5kW PMSM experimental platform. Experimental results showed that the improved method can guarantee the stable operation of the motor under the rated load at a low and even zero speed with good dynamic and static performance. © 2020 Chin. Soc. for Elec. Eng.

引用

页码：6715 / 6725

页数：10

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