Sliding Mode Speed Control of PMLSM with Load Force Observer

被引：0
|
作者：
Jiang, Jialin [1 ]
Wang, Mingyi [1 ]
Yang, Rui [1 ]
Li, Liyi [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Heilongjiang, Peoples R China
来源：
2018 21ST INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2018年
基金：
中国国家自然科学基金;
关键词：
sliding mode control; variable gain; saturation function; permanent magnet linear sunchoronous motor (PMLSM);
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Siding mode control is a kind of nonlinear variable structure control. The chattering problem is the main problem that influence the smooth running of system. To reduce the chattering problem and keep the stability of sliding mode control at the same time, an improved boundary layer control is proposed in this paper. The error of reference velocity and real velocity is selected to make up the sliding plane. And the gain of the saturation function is variable to speed up the tracking speed of velocity and reduce the chattering problem when speed error is small. And a load thrust observer is proposed in this paper to observe the thrust ripple for feedforward compensation. Experiment results show that the improved boundary layer control can realize faster velocity tracking speed and also suppress the intrinsic chattering of sliding mode control.
引用
收藏
页码：2766 / 2770
页数：5
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