Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Reduction of Torque Ripple in a BLDC Motor Using an Improved Voltage Control

개선된 전압제어를 이용한 BLDC 전동기의 토크맥동저감

  • 송정현 (군산대학교 전자정보공학부) ;
  • 장진석 (군산대학교 전자정보공학부) ;
  • 김병택 (군산대학교 전기공학과)
  • Published : 2010.02.01
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Abstract

This paper deals with reduction of torque ripple in a brushless DC motor with input voltage control. The commutation torque ripple can be controlled with varying input voltage, but cogging torque is independent on it. So, in this paper a strategy for minimizing torque ripple is proposed by offsetting the cogging torque with deliberate voltage control. The optimal condition is determined with variable voltage levels and advance angles. As results, it is shown that the method causes 63% decrease of torque ripple.

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References

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