Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Surface Mounted Permanent Magnet Synchronous Motor Design for Torque Ripple Reduction in EPS

EPS용 표면부착형 영구자석 동기전동기의 토크 리플 저감

  • 임승빈 (한국에너지기술평가원) ;
  • 박현종 (한양대 대학원 전기공학과) ;
  • 강동우 (한양대 대학원 전기공학과) ;
  • 함상환 (한양대 대학원 전기공학과) ;
  • 이주 (한양대학교 전기생체공학부)
  • Received : 2010.02.24
  • Accepted : 2010.06.28
  • Published : 2010.08.31
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Abstract

Torque ripple of the motor used in EPS raises vibration problem on steering system. To solve this problem, this paper proposes a optimum design for torque ripple reduction of Surface-mounted Permanent Magnet Synchronous Motor(SPMSM) in EPS. Through analyis back-EMF using Finite element method as changing the shape of permanent magnet and stator shoe, we presented the method of torque ripple redution.

EPS(Elctrical Power Steering)에서 전동기의 토크 리플은 조향장치의 진동 문제를 야기한다. 따라서 EPS에서 전동기의 토크 리플 저감은 중요한 문제이며, 본 논문에서는 EPS에서 사용하는 표면부착형 영구자석 동기전동기의 토크 리플 저감에 대해 논하였다. 유한요소법을 이용하여 영구자석과 고정자 슈의 형상 변화를 통해 역기전력을 분석하였으며 이를 바탕으로 토크 리플 저감 방안을 제시하였다.

Keywords

References

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