Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Parameters Estimation and Torque Monitoring for the Induction Spindle Motor

주축용 유도전동기의 매개변수 추정과 토크 모니터링 시스템

  • 권원태 (서울시립대학교 전기전자컴퓨터공학부) ;
  • 김규식 (서울시립대학교 기계정보공학과)
  • Published : 2004.03.01
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Abstract

To monitor the torque of an induction motor using current, the accurate identification of the motor parameters is very important. In this study, the motor parameters such as rotor resistance, stator and rotor leakage inductance, mutual inductance are estimated for torque monitoring and indirect vector control. Estimated parameters are used to monitor the torque of vector controlled induction motor without any speed measuring sensor. Stator current is measured to estimate the magnetizing current which is used to calculate flux linkage, rotor velocity and motor torque. From the experiments, the proposed method shows a good estimation of the motor parameters and torque under the normal rotational speed.

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References

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