Design of Sensorless Speed Control System for Permanent Magnet Linear Synchronous Motor Based on Fuzzy Super-Twisted Sliding Mode Observer

被引：9

作者：

Li, Zheng ^{[1
]}

Wang, Jinsong ^{[1
]}

Wang, Shaohua ^{[1
]}

Feng, Shengdi ^{[1
]}

Zhu, Yiding ^{[1
]}

Sun, Hexu ^{[1
]}

机构：

[1] Hebei Univ Sci & Technol, Sch Elect Engn, Shijiazhuang 050018, Hebei, Peoples R China

来源：

ELECTRONICS | 2022年 / 11卷 / 09期

基金：

中国国家自然科学基金;

关键词：

permanent magnet synchronous linear motor; continuous terminal sliding mode; sliding mode control; fuzzy controller; super-twisted sliding mode observer;

D O I：

10.3390/electronics11091394

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To improve the tracking capability and sensorless estimation accuracy of a permanent magnet linear synchronous motor (PMLSM) control system, a sensorless control system based on a continuous terminal sliding mode controller (CT-SMC) and fuzzy super-twisted sliding mode observer (F-ST-SMO) was designed. Compared with a conventional slide mode control, CT-SMC can reach the equilibrium point in limited time to ensure the continuity of control and achieve fast tracking of reference speed. Based on the PMLSM design of F-ST-SMO, a super-twisted sliding mode algorithm is used to replace the traditional first order sliding mode algorithm. Meanwhile, fuzzy rules are introduced to adjust the sliding mode gain adaptively, which replaces the fixed gain of traditional SMO and reduces chattering of the system. Finally, the effectiveness and superiority of the designed control system are proven by simulation and experiment.

引用

页数：15

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