FEM을 이용한 Micro-Electromagnetic Clutch 토크와 응답시간해석

Study on Torque and Engaging time Analysis of Micro-Electromagnetic Clutch by Using FEM

  • 발행 : 2005.03.01

초록

본 논문에서는 유한요소법을 활용하여 소형전자기클러치(micro-electromagnetic clutch)에서 발생하는 마찰토크와 응답시간을 해석하였다. 소형전자기클러치의 설계변경과 최적화를 위하여 전자석클러치에서 자기장에 의하여 발생하는 전달토크와 응답시간을 정확하게 예측 할 것이 요구된다. 해석을 위하여 전자기장 이론을 기반으로 소형전자기클러치의 축대칭 모델을 구성하고 실제 재료 물성치를 대입하여 토크와 응답시간을 해석하고 유한요소 해석결과의 정확성을 검증하기 위하여 실험결과와 비교하였다. 토크와 응답시간의 해석결과는 실험데이터와 거의 일치하다는 것을 통하여 해석적 방법으로 토크와 응답시간을 예측할 수 있음을 확인 할 수 있다.

This study tries to analyzes the torque and engaging time generated in a micro-electromagnetic clutch by using FEM. For the purpose of design change and optimization of the micro-electromagnetic clutch, the torque prediction is very important. We employ a mathematical approach based on the electromagnetic principle. For torque prediction, real material properties are substituted to the constructed axi-symmetric FEM model to obtain the analytical torque and engaging time. The predicted torque and engaging time are compared with those obtained by experiments to discuss the validity of torque and engaging time analysis. The analytical results agrees well with experimental data, therefore explaining the validity of the torque and engaging time prediction method.

키워드

참고문헌

  1. Ogura industrial corp. 'Ogura industrial catalog'. www.oaura-clutch.com. Japan
  2. Stephane, B., Gabriel, C., 'Magneto static Field Computation Based on the Coupling of Finite Element and Integral Representation Methods'. IEEE Transactions on Magnetics, Vol.38. No.2, 2002 pp.393-396 https://doi.org/10.1109/20.996105
  3. Muller, D ., Nicolas, L ., Buret, F ., 'A. C. A. E Package for an Intuitive Approch to Magnetic Circuits'. Antennas and Propagation Society International symposium. Vol.1. 1995 pp.480-483
  4. Hwang, C. C., Cho , Y. H ., 'Effects of Leakage Flux on Magnetic Field of Interior Permanent Magnet Synchronous Motors', IEEE Transactions on Magnetics, Vol.37. No.4. 2001 pp.3021-3024 https://doi.org/10.1109/20.947055
  5. Naila, M. B., 'Design Analysis of Electromagnetic Particle Clutch', Industry Application Society Annual Meeting, Conference Record of the 1994 IEEE, Vol.1, 1994 pp.357-360
  6. Shi, X. C., Low, T. S. 'Artificially Hardened Model of Soft Magnetic Materials and its Application to Analysis of Magnetic Field', IEEE Transaction on Magnetics, Vol.30, No.5, 1994 pp.2940-2943 https://doi.org/10.1109/20.312553
  7. Bigeon, J. Sabonnadiere, J. C., J.L.Coulomb., 'Finite Element Analysis of an Electromagnetic Brake', IEEE Transaction on Magnetics, Vol.19. No.6. November, 1983 pp. 2632-2634 https://doi.org/10.1109/TMAG.1983.1062848
  8. Hogana industrial corp. 'Technical Report Powders for Soft Magnetic Sintered Parts', Sweden