A modified reaching phase sliding mode controller for a speed sensorless induction motor drive using feedback linearization theory

被引:0
作者
Soltani, J [1 ]
Abjadi, NR [1 ]
机构
[1] Isfahan Univ Technol, Dept Elect Engn, Esfahan, Iran
来源
IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY | 2003年 / 27卷 / B4期
关键词
induction motor; sliding mode; speed controller; sensorless; feedback linearization;
D O I
暂无
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A speed sensorless induction motor drive (IMD) with a modified reaching phase sliding mode controller is introduced. The rotor flux is estimated first, with a simplified rotor flux observer in the rotor reference frame and the feedback linearization theory is used to decouple the dynamic of the motor torque and rotor flux amplitude. Then, a modified reaching sliding mode controller is designed to control the speed of the IMD so that the chattering effects associated with the classical sliding mode speed controllers is eliminated and a fast transient response is also achieved. In addition, a Luenberger speed observer is designed to estimate the MD speed from the measured terminal voltages and currents. The effectiveness of the proposed approach is demonstrated by a digital simulation study.
引用
收藏
页码:679 / 689
页数:11
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