The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Novel MRAS Based Sensorless Speed Control of Induction Motor

새로운 MRAS에 의한 유도전동기의 센서리스 속도제어

  • 진대원 (부산대 공대 전기공학과) ;
  • 권영안 (부산대 공대 전기공학과)
  • Published : 1999.03.01
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Abstract

Speed and position sensors require the additional mounting space, reduce the reliability in harsh environments and increase the cost of motor. Various control algorithms have been proposed for the elimination of speed senor. This paper investigates a novel speed sensorless control of induction motor. The proposed control strategy is based on MRAS(Model Reference Adaptive System) using state observer as a reference model for flux estimation. This algorithm may overcome several shortages of conventional MRAS: integrator problems, small EMF at low speed and relatively large sensitivity to resistance variation. The proposed algorithm is verified through simulation and experiment.

Keywords

References

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