융복합기술연구소 논문집 (Journal of Institute of Convergence Technology)

한국교통대학교 융복합기술연구소 (Institute of Convergence Technology)
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래디알 동전기 휠의 다축력 특성

Multi-axial Force Characteristics of Radial Electrodynamic Wheel

  • 정광석 (한국교통대학교 기계자동차항공공학부 기계공학전공)
  • Jung, Kwangsuk (School of Mechanical, Automotive and Aeronautical Engineering, College of Fusion Technology, Korea National University of Transportation)
  • 투고 : 2017.10.16
  • 심사 : 2017.11.10
  • 발행 : 2017.11.30
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초록

The rotating electrodynamic wheel over a conductive plate produces thrust force as well as normal force. Specially, separating the conductive plate and spacing apart each part, the lateral stability of the rotating wheel is guaranteed due to the restoring force into neutral position. In this paper, the force characteristics of the electrodynamic wheel rotating over the conductive plate is analyzed using the finite element tool. First, the dominant parameters are identified considering the geometric configuration and the operating condition. And the sensitivity for the parameter deviation is quantified for the high force density. The above topology can be applied as an actuating principle for inter-city train as well as contact-free transfer device.

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참고문헌

  1. N. Fujii, Y. Ito, and T. Yoshihara, "Characteristics of a moving magnet rotator over a conducting plate", IEEE Trans. on Magnetics, 41 (10), p.3811-3813, 2005. https://doi.org/10.1109/TMAG.2005.854930
  2. K.S. Jung and K.B. Shim, "Noncontact conveyance of conductive plate using omni-directional magnet wheel", Mechatronics 20, p.496-502, 2010. https://doi.org/10.1016/j.mechatronics.2010.04.007
  3. J. Bird and T.A. Lipo, "Characteristics of an electrodynamic wheel using a 2-D steady-state model", IEEE Trans. on Magnetics 43(8), p.3395-3405, 2007. https://doi.org/10.1109/TMAG.2007.900572
  4. J. Bird and T.A. Lipo, "Calculating the forces created by an electrodynamic wheel using a 2-D steady-state finite-element method", IEEE Trans. on Magnetics 44 (3), p.365-372, 2007. https://doi.org/10.1109/TMAG.2007.913038