The Transactions of the Korean Institute of Electrical Engineers D (대한전기학회논문지:시스템및제어부문D)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Commutation Time Control for Torque Ripple Reduction of BLDC Motors

브러시리스 직류전동기의 토크맥동 저감을 위한 전환시간 제어

  • 오태석 (강원대학교 전자통신공학과) ;
  • 허남억 (강원대학교 전자통신공학과) ;
  • 김일환 (강원대학교 전기전자공학부)
  • Published : 2006.08.01
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Abstract

This paper presents a new method on reducing commutation torque ripples generated in brushless dc motor drives. In such drives the current ripples are generated by motor inductance in stator windings and the back EMF. The ripples suppression techniques that are practically effective in high speed as well as in low speed regions are rarely found. The proposed method here is based on a strategy that the commutation intervals of the incoming ang the outgoing phases can be equalized by a proper PWM control. The controller is implemented by a 16-bit microprocessor and effectiveness of the proposed control method is verified through experiments.

Keywords

References

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