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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Efficiency Optimal Design of a Brushless DC Motor Considering the Magnetization Direction of Permanent Magnet

영구자석의 착자방향을 고려한 브러시리스DC 전동기의 효율 최적화 설계

  • Song, Jeong-Hyun (Dept. of Electrical Engineering, Kunsan National University) ;
  • Kim, Byung-Taek (Dept. of Electrical Engineering, Kunsan National University)
  • 송정현 (군산대학교 대학원 전자정보공학과) ;
  • 김병택 (군산대학교 전기공학과)
  • Received : 2010.11.15
  • Accepted : 2010.12.23
  • Published : 2011.03.01
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Abstract

This paper is intended to improve efficiency of two-phase BLDC motor using analytical and statistical methods, and then the stability of the starting for the designed model is investigated. The characteristics of the motor according to magnetization directions of permanent magnet are analyzed through the analytical method, and design variables that affect the efficiency are selected. Preliminary optimal design is performed using the analytical method with the design variable. The RSM (Response Surface Method) based on the FEA (Finite Element Analysis) is applied to complement errors of the analytical method. As a result, the optimal design is determined. Finally, the stability of the starting for the optimal designed model is evaluated by analyzing cogging torque, and it is verified through the FEA.

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References

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