A comparative study of Luenberger observer, sliding mode observer and extended Kalman filter for sensorless vector control of induction motor drives

@article{Zhang2009ACS,
  title={A comparative study of Luenberger observer, sliding mode observer and extended Kalman filter for sensorless vector control of induction motor drives},
  author={Yongchang Zhang and Zhengming Zhao and Ting Lu and Liqiang Yuan and Wei Xu and Jianguo G. Zhu},
  journal={2009 IEEE Energy Conversion Congress and Exposition},
  year={2009},
  pages={2466-2473}
}
Observer-based sensorless techniques are becoming more and more popular and universal. This paper presents a comparative study of three kinds of observers for direct field oriented controlled (DFOC) induction motor (IM) drive: Luenberger observer (LO), sliding mode observer (SMO) and extended Kalman filter (EKF). Each kind of observer employs the dynamic full-order IM model and mechanical equation is introduced to improve the performance of speed estimation. Theoretical principles of the three… CONTINUE READING
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