대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

3차원 등가자기회로망법을 이용한 Brushless DC 모터의 진동원으로서의 Radial Force Density 해석

Analysis of Radial Force Density as a Vibration Source in Brushless DC Motor Using 3D Equivalent Magnetic Circuit Network Method

  • 전연도 (한양대학교 전기공학과) ;
  • 허진 (한양대학교 전기공학과) ;
  • 윤상백 (한양대학교 전기공학과) ;
  • 홍정표 (창원대학교 전기공학과) ;
  • 현동석 (한양대학교 전기공학과)
  • Chun, Y.D. (Dept. of Electrical Engineering, Hanyang University) ;
  • Hur, J. (Dept. of Electrical Engineering, Hanyang University) ;
  • Yoon, S.B. (Dept. of Electrical Engineering, Hanyang University) ;
  • Hong, J.P. (Dept. of Electrical Engineering, Changwon National University) ;
  • Hyun, D.S. (Dept. of Electrical Engineering, Hanyang University)
  • 발행 : 1997.07.21
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초록

This paper presents analysis of the radial force density in brushless DC motor of which distribution is not uniform in the axial direction. The analysis considering 3D shape of teeth and overhang is not only important but essential to calculate the radial force density that acts on the teeth of stator, because it is frequent source of vibration and changes at the end of teeth. For the analysis, a new 3D equivalent magnetic circuit network method taking into account movement of the rotor without remesh is proposed. The radial force density is calculated by Maxwell stress tensor and analyzed by discrete Fourier transform.

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