Volume 38 Issue 1
Jan.  2012
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Zhang Yao, Huang Tingxuan, Xu Shijieet al. Dynamic characteristic of vibration isolation platform of control moment gyroscopes on satellites[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 80-85. (in Chinese)
Citation: Zhang Yao, Huang Tingxuan, Xu Shijieet al. Dynamic characteristic of vibration isolation platform of control moment gyroscopes on satellites[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 80-85. (in Chinese)

Dynamic characteristic of vibration isolation platform of control moment gyroscopes on satellites

  • Received Date: 24 Aug 2010
  • Publish Date: 30 Jan 2012
  • An isolation scheme for control moment gyroscopes (CMGs) was put forward and used on satellite which can provide an ultra quiet environment for the optical payloads, and dynamic characteristic of the vibration isolation platform for CMGs was analyzed in detail. The theories of the vibration isolators of different parameter models and the reason of choosing certain parameters were studied. A whole-satellite dynamic model with vibration isolation platform and CMGs was constructed by Newton-Euler method. The force transfer rates of different parameter models were compared by using frequency domain method. The ameliorative degrees of vibration isolation device with the two-parameter and three-parameter model to the satellite attitude stabilization were compared by using time domain method. The simulation results show that the vibration isolation platform with two-parameter adding tuned mass damper model can attenuate the resonance amplification peak to a certain extent, and the vibration isolation platform with three-parameter model had the best performance in the three models.

     

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