Adaptive Notch Filter Based Harmonic Self-Compensated 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, Heilongjiang, Peoples R China
来源
2015 9TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE-ECCE ASIA) | 2015年
关键词
Sensorless; interior permanent magnet synchronous motor (IPMSM); position error harmonic ripple; harmonic self-compensated sliding-mode observer; INVERTER;
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 suppress the position error harmonic ripples in back electromotive force (EMF) based methods for position sensorless interior permanent magnet synchronous motor (IPSMSM) drives, an adaptive notch filter (ANF) based harmonic self-compensated sliding-mode observer (SMO) is proposed. The inverter nonlinearities and flux spatial harmonics that induce the position error harmonic ripples are analyzed. The back-EMF information containing harmonics can be obtained through SMO, and then the least mean square (LMS) based ANF is adopted to realize back-EMF harmonic detecting and self-compensating, thus eliminating the position error harmonic ripples. Due to the simple structure, the ANF based harmonic self-compensated SMO can be easily implemented on low-cost microchips with little computational burden. Experiments on a 2.2kW IPMSM sensorless vector controlled drive have been carried out to verify the proposed scheme.
引用
收藏
页码:1123 / 1128
页数:6
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