Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Design Parameter Study on the Isolation Performance of the HSLDS Magnetic Vibration Isolator

HSLDS 마그네틱 진동절연체의 절연성능에 대한 설계 파라미터 분석

  • 신기홍 (안동대학교 기계자동차공학과)
  • Published : 2010.01.20
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Abstract

In general, the softer the stiffness of a linear vibration isolator the better the performance of isolation can be achieved. However, the stiffness of the isolator cannot be made too soft because it needs a sufficient stiffness to hold the load. This is the most critical limitation of a linear vibration isolator. Recently, a HSLDS(high-static-low-dynamic-stiffness) magnetic vibration isolator was proposed to overcome this fundamental limitation. The suggested isolator utilizes two pairs of attracting magnets that introduces negative stiffness. Previously, this new type of vibration isolator was merely introduced and showed a possibility of practical use. In this paper, detailed dynamics of the HSLDS magnetic isolator are studied using computer simulations. Then, the isolation performance is examined for various design parameters to aid the practical use.

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References

  1. Ahn, Y. K., 2003, “Dynamic Properties of Squeeze Type Mount Using MR Fluid,” Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 13, No. 6, pp. 490-495. https://doi.org/10.5050/KSNVN.2003.13.6.490
  2. Choi, S. M., Nguyen, V. Q. and Choi, S. B., 2008, “Active Vibration Control of Automotive Engine Mount Using MR Fluid and Piezostack,” Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 18, No. 11, pp. 1150- 1156. https://doi.org/10.5050/KSNVN.2008.18.11.1150
  3. Ho, K. C., Lee, B. C., Lee, Y. H., Lee, Y. J. and Kim, M. B., 2007, “Evaluation of High Performance Isolation Spring Mount by attached Masses,” Proceedings of the KSNVE Annual Autumn Conference, pp. 1247-1252.
  4. Puppin, E. and Fratello, V., 2002, “Vibration Isolation with Magnet Springs,” Review of Scientific Instruments, Vol. 73, No. 11, pp. 4034-4036. https://doi.org/10.1063/1.1512325
  5. D'Angola, A., Carbone, G., Mangialardi, L. and Serio, C., 2006, “Nonlinear Oscillations in a Passive Magnetic Suspension,” International Journal of Nonlinear Mechanics, Vol. 41, pp. 1039-1049. https://doi.org/10.1016/j.ijnonlinmec.2006.10.013
  6. Bonisoli, E. and Vigliani, A., 2007, “Identification Techniques Applied to a Passive Elastomagentic Suspension,” Mechanical Systems and Signal Processing, Vol. 21, pp. 1479-1488. https://doi.org/10.1016/j.ymssp.2006.05.009
  7. Mizuno, T., Takasaki, M., Kishita, D. and Hirakawa, K., 2007, “Vibration Isolation System Combining Zero-power Magnetic Suspension with Springs,” Control Engineering Practice, Vol. 15, pp. 187-196. https://doi.org/10.1016/j.conengprac.2006.06.001
  8. Joshi, A., 2004, “Theoretical and Experimental Studies on Vibration Control in Cantilever Beams Using DC Magnets,” Journal of Vibration and Control, Vol. 10, pp. 995-1008. https://doi.org/10.1177/1077546304041371
  9. Carrella, A., Brennan, M. J., Waters, T. P. and Shin, K., 2008, “On the Design of a High-staticlow-dynamic-stiffness Isolator Using Linear Mechanical Springs and Magnets,” Journal of Sound and Vibration, Vol. 315, pp. 712-720. https://doi.org/10.1016/j.jsv.2008.01.046