A model-free super-twisting fast terminal sliding mode control method for a permanent magnet synchronous motor

被引：0
|
作者：
Zhao K. [1 ]
Yi J. [1 ]
Liu W. [1 ]
Qiao M. [1 ]
Zhang C. [1 ]
Wang B. [1 ]
机构：
[1] College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2023年 / 51卷 / 22期
基金：
中国国家自然科学基金;
关键词：
extended sliding mode disturbance observer; permanent magnet synchronous motor; super-twisting fast terminal sliding mode controller; ultra-local model;
D O I：
10.19783/j.cnki.pspc.230398
中图分类号：
学科分类号：
摘要：
There is a problem of interior permanent magnet synchronous motor (IPMSM) control performance degradation due to various uncertainties such as internal parameter changes and external disturbances. Thus a model-free super-twisting fast terminal sliding mode control method is proposed. First, a new ultra-local model is established for IPMSM considering its uncertainty. The model-free super-twisting fast terminal sliding mode controller is designed by combining the super-twisting algorithm with the fast terminal switching function to ensure that the system state can reach the steady state in a finite time and effectively reduce chattering. Second, an extended sliding mode disturbance observer is designed to estimate the unknown part of the ultra-local model accurately, and feedforward compensation is performed to the designed controller. This further improves the anti-interference ability and system tracking performance. Finally, by comparing with PI control and conventional model-free sliding mode control methods, the simulation and experimental results verify that the presented method has faster convergence and stronger robustness. © 2023 Power System Protection and Control Press. All rights reserved.
引用
收藏
页码：88 / 98
页数：10
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