Active Flux Based Full-Order Discrete-Time Sliding Mode Observer for Position Sensorless IPMSM Drives

被引:0
作者
Zhang Guoqiang [1 ]
Wang Gaolin [1 ]
Ni Ronggang [1 ]
Xu Dianguo [1 ]
机构
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Peoples R China
来源
2014 17TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2014年
关键词
Interior permanent magnet synchronous motor (IPMSM); full-order discrete-time sliding mode observer (DT-SMO); modeling uncertainties and external disturbances; sigmoid function; MAGNET SYNCHRONOUS MOTOR;
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
To improve the control performance of the position sensorless interior permanent magnet synchronous motor (IPMSM) drives, an active flux model based full-order discrete-time sliding mode observer (DT-SMO) is proposed. Bearing in mind the modeling uncertainties and external disturbances, the observer design and the stability analysis are given. To reduce the inherent chattering problem of the sliding mode control, the sigmoid function is used. To enhance the position estimation accuracy, the quadrature phase-locked loop (PLL) is adopted to track the position information form the equivalent back electromotive force (EMF) obtained through DT-SMO. Experiments on a 2.2kW sensorless IPMSM vector controlled drive have been carried out to verify the proposed scheme.
引用
收藏
页码:3569 / 3572
页数:4
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