Sensorless control for PMLSM based on Fuzzy Sliding Mode Observer

被引：2
|
作者：
Lu Hua-cai [1 ]
Ti Juan [1 ]
Yuan Yi-ming [1 ]
Wei Li-sheng [1 ]
机构：
[1] Anhui Polytech Univ, Coll Elect Engn, Wuhu 241000, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
PMLSM; Sliding Mode Observer; Fuzzy Controller; Boundary Layer;
D O I：
10.4028/www.scientific.net/AMM.556-562.2270
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：
In this paper, a new sensorless control method is proposed for a permanent magnet linear synchronous motor based on Fuzzy sliding mode observer, which combines the advantages of sliding mode observer and Fuzzy controller respectively. The difference between the current estimated value and the actual current value is regarded as sliding mode function; sliding mode function (current error) and variation of the error are used as the input of fuzzy controller, and the width of the boundary layer as the output, adjusting the width of the boundary layer dynamically in real time. The simulation results show that Fuzzy sliding mode observer is able to find a balance between soft chattering and steady-state error, keep the system robustness and control precision.
引用
收藏
页码：2270 / 2273
页数：4
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