Speed loop self-commissioning for permanent magnet synchronous motor drives based on mechanical parameter identification

被引：0

作者：

Sun X. ^{[1
]}

Xiao X. ^{[1
]}

Han J.-W. ^{[2
,3
]}

Zhao S.-J. ^{[2
,3
]}

Wang W.-H. ^{[4
]}

机构：

[1] Department of Electrical Engineering, Tsinghua University, Beijing

[2] Beijing Institute of Precision Mechatronics and Controls, Beijing

[3] Laboratory of Aerospace Servo Actuation and Transmission, Beijing

[4] Foshan (Southern China) Institute for New Materials, Foshan

来源：

Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2022年 / 26卷 / 12期

关键词：

bang-bang control; controller tuning; parameter identification; permanent magnet synchronous motors; self-commissioning; speed loop;

D O I：

10.15938/j.emc.2022.12.001

中图分类号：

学科分类号：

摘要：

In order to address the problem of stable speed control when the speed controller is not well-tuned, a control scheme that introduces bang-bang controller into speed control is applied. In this way, the manual trial-and-error tuning procedure is avoided. Furthermore, an identification algorithm is developed based on complex frequency analysis of complete period sampling data. The algorithm can identify the inertia, viscous coefficient and coulomb friction torque quickly at the same time. This paper proposes a speed loop auto-tuning method that calculates the PI gains according to given phase margin and cross-over frequency. The entire auto-tuning process is implemented only with the motor drive itself automatically, and self-commissioning of the speed loop is realized. Sinusoidal response and step response tests of speed loop confirm the validity of the proposed method. The experimental results show that the estimation error of inertia and viscous coefficient is no more than 3%, and that the performance of the tuned speed controller coincides with expectation. © 2022 Editorial Department of Electric Machines and Control. All rights reserved.

引用

页码：1 / 9

页数：8

共 20 条

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