The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Optimal Design for Passive Magnetic Bearing Using PSO

PSO를 이용한 수동형 자기 베어링의 최적 설계

  • 정현석 (군산대학교 전자정보공학부) ;
  • 주영훈 (군산대학교 제어로봇시스템공학과)
  • Received : 2010.09.12
  • Accepted : 2010.10.23
  • Published : 2010.12.01
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Abstract

The existing contact-type bearings using rolling or sliding require continuous maintenance due to abrasion caused by friction and are not suitable for high-speed rotation and slimming. A magnetic bearing without contact can overcome such problems but the performance depends on the allocation of magnets and the structure of bearings. This paper proposes a method designing parameters of a passive magnetic bearing to improve levitation force. The proposed method employs Halbach array as the allocation of magnets, uses particle swam optimization to determine the structure of bearings. The numerical experiment shows that the levitation force is improved by the proposed method compared with the existing one using finite element analysis.

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References

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