永磁同步直线电机无模型电流控制

doi:10.19595/j.cnki.1000-6753.tces.200728

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摘要

为改善永磁同步直线电机的动态响应性能,提高电机控制系统的鲁棒性,针对传统永磁同步直线电机PID控制方法中参数不确定性导致的控制不稳定问题,提出一种无模型电流控制方法。该文基于超局部模型设计永磁同步直线电机控制系统的无模型电流控制器,分别搭建PID控制和无模型电流控制系统,在此基础上进行稳态运行、负载突加减和电机参数摄动的仿真及实验对比。结果表明,所提方法改善了永磁同步直线电机控制系统的动态响应性能,对电机参数不确定性具有较强的鲁棒性。

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	苏光靖
	李红梅
	李争
	周亚男

关键词 ：永磁同步直线电机, 超局部模型, 无模型控制, 电流控制

Abstract：

In order to improve the dynamic response performance and the robustness of permanent magnet synchronous linear motor(PMSLM) control system, a novel model free current control method is proposed to solve the control instability caused by the parameter uncertainty in the traditional PID control method of PMSLM drives. Firstly, based on the super local model, the model free current controller of the PMSLM control system is designed. Secondly, the simulation model of PMSLM with PID controller and the model-free current controller are built, compared the output of simulation and experiment under the steady-state operation,the load mutation and the parameter change of motor. The results show that the proposed method improves the dynamic response performance of PMSLM control system and is robust to the uncertainty of motor parameters.

Key words： Permanent magnet synchronous linear motor(PMSLM) ultra-local model model-free control current control

收稿日期: 2020-07-28

PACS:

TM351

基金资助:

国家自然科学基金（51877064, 51877070, 51577048）和河北省自然科学基金（E2018208155）资助项目

通讯作者: 李争男,1980 年生,博士,教授,研究方向为特种电机及其控制。E-mail：Lzhfgd@163.com

作者简介: 苏光靖男,1980年生,博士,讲师,研究方向为电机控制。E-mail：sugj@hfut.edu.cn

引用本文:

苏光靖, 李红梅, 李争, 周亚男. 永磁同步直线电机无模型电流控制[J]. 电工技术学报, 2021, 36(15): 3182-3190. Su Guangjing, Li Hongmei, Li Zheng, Zhou Yanan. Research on Model-Free Current Control of Permanent Magnet Synchronous Linear Motor. Transactions of China Electrotechnical Society, 2021, 36(15): 3182-3190.

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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.200728 https://dgjsxb.ces-transaction.com/CN/Y2021/V36/I15/3182

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