Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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The Design and Characteristic Analysis of Moving Coil Type LDM by thrust constant

추력정수에 의한 가동코일형 LDM의 특성해석과 설계

  • Ryu, J.S. (Department of Electrical Engineering, Dongguk University) ;
  • Baek, S.H. (Department of Electrical Engineering, Dongguk University) ;
  • Kim, Y. (Department of Electrical Engineering, Dongguk University) ;
  • Yoon, S.Y. (Department of Electrical Engineering, Dongguk University) ;
  • Maeng, I.J. (Department of Electrical Engineering, Dongguk University) ;
  • Jung, G.C. (Department of Electrical Engineering, Dongguk University)
  • 류종상 (동국대학교 전기공학과) ;
  • 백수현 (동국대학교 전기공학과) ;
  • 김용 (동국대학교 전기공학과) ;
  • 윤신용 (동국대학교 전기공학과) ;
  • 맹인재 (동국대학교 전기공학과) ;
  • 정계천 (동국대학교 전기공학과)
  • Published : 1998.07.20
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Abstract

LDM(Linear DC Motor) are used in high speed, high-precision position control system. Because of these advatages, LDM has already used in the motor of pen-recorder, magnetic-disk devices. Under the limited dimension, we propose the design method of LDM by magnetic circuit. In this paper, a relation between the thrust constant and size of a LDM that is moving coil type with unipolar is described, which is defined as a simple relational equation. To maximize the rate of thrust to the volume of LDM, the magnetic flux density in the yoke is adjusted to the value of magnetic equation. By the magnetic field analysis(FEM), the validity of the equation is confirmed.

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