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Journal of electrical engineering & technology v.7 no.3, 2012년, pp.342 - 348   SCIE 피인용횟수: 2
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A New Moving-magnet Type Linear Actuator utilizing Flux Concentration Permanent Magnet Arrangement

Goto, Akira    (Ishii Tool & Engineering Corporation   ); Okamoto, Takuya    (Ishii Tool & Engineering Corporation   ); Ikariga, Atsushi    (Department of Electrical and Electronic Engineering, Faculty of Engineering, Oita University   ); Todaka, Takashi    (Department of Electrical and Electronic Engineering, Faculty of Engineering, Oita University   ); Enokizono, Masato    (Department of Electrical and Electronic Engineering, Faculty of Engineering, Oita University  );
  • 초록

    This paper presents a moving-magnet type linear actuator designed by using flux concentration type permanent magnet arrangement, which can generate higher magnetic flux density in air-gap. In this construction, detent force which is induced by both slot-effect and end-effect becomes larger due to strong attractive forces. To reduce cogging force we have employed a modular mover structure of two magnetic pole sections connected with a center yoke. The improved motor performance is demonstrated with the prototype machine.


  • 주제어

    Linear motor .   Moving magnet type .   Cogging .   Thrust .   Center yoke .   End yoke.  

  • 참고문헌 (8)

    1. H. Luo, J. Wu and W. Chang, "Minimizing Thrust Fluctuation in Moving-Magnet Permanent-Magnet Brushless Linear DC Motor," IEEE Transactions on Magnetics, vol. 43, no. 5, pp. 1968-1972, 2007. 
    2. M. Sanada, S. Morimoto, Y. Takeda, "Interior Permanent Magnet Linear Synchronous Motor for High Performance Device," IEEE Transactions on Industry Application, vol. 33, no. 4, pp. 966-972, 1997. 
    3. S. Zeze, T. Todaka, M. Enokizono, "Magnetic Field Analysis of Concentrated Surface Permanent Magnetic Synchronous Motor," Journal of the Japan Society of Applied Electromagnetics and Mechanics, vol. 17, Supplement September 2009, pp. S121- S124, 2009. 
    4. Atushi Ikariga, Hiroyasu Shimoji, Takashi Todaka and Masato Enokizono "High-density permanent magnet machines", International Journal of Applied Electromagnetics and Mechanics, vol. 25, no. 1-4, pp. 19-23, 2007. 
    5. Y-J Kim, M. Watada and H. Dohmeki, "Reduction of the Cogging Force at the Outlet Edge of a Stationary Discontinuous Primary Linear Synchronous Motor," IEEE Transactions on Magnetics, vol. 43, no. 1, pp. 40-45, 2007. 
    6. I.-S. Jung, J. Hur, D.-S. Hyun, "Performance Analysis of Skewed PM Linear Synchronous Motor According to Various Design Parameter," IEEE Transactions on Magnetics, vol. 37, no. 5, pp. 3653-3657, 2001. 
    7. T. Li and G. Slemon, "Reduction of Cogging Torque in Permanent Magnet Motor," IEEE Transactions on Magnetics, vol. 24, No. 6, pp. 2901-2903, 1988. 
    8. Tomoyuki Lee, Naoki Maki, "Propulsive Force Simulation of Cylindrical Synchronous Motors and Improvement in the Propulsive Force Fluctuations," IEEJ Trans. IA, vol.126, no.4, pp.519-525, 2006. 
  • 이 논문을 인용한 문헌 (2)

    1. 2014. "" Journal of electrical engineering & technology, 9(2): 471~477     
    2. 2014. "" Journal of electrical engineering & technology, 9(3): 859~865     

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