The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Sensorless Speed Control for PMSM Using an Improved Full-Order Flux Observer

개선된 전차원 자속 관측기를 사용한 영구자석 동기전동기의 센서리스 속도 제어

  • Lee, Kyoung-Gu (Dept. of Electrical and Computer Eng., Ajou University) ;
  • Lee, June-Seok (Dept. of Electrical and Computer Eng., Ajou University) ;
  • Lee, Kyo-Beum (Dept. of Electrical and Computer Eng., Ajou University)
  • Received : 2013.08.27
  • Accepted : 2013.10.16
  • Published : 2013.12.20
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Abstract

The sensorless speed control using the improved full-order flux observer for PMSM is proposed in this paper. A conventional full-order flux observer has a drawback that the estimated flux of this observer contains the ripple component at the low speed range due to the increased gains of the convectional full-order flux observer. The improved full-order flux observer with the modified gains guarantee the improved estimation performance without ripple component at the from zero to high speed range. To identify the performance of proposed observer, the simulation and experiment are conducted and this performance is compared with the conventional full-order observer.

Keywords

References

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