Volume 39 Issue 9
Sep.  2013
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Han Jianbin, Wang Xinsheng, Ma Haiboet al. Mechanical principle of the deploying mode for coilable mast[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1168-1173. (in Chinese)
Citation: Han Jianbin, Wang Xinsheng, Ma Haiboet al. Mechanical principle of the deploying mode for coilable mast[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1168-1173. (in Chinese)

Mechanical principle of the deploying mode for coilable mast

  • Received Date: 13 Oct 2012
  • Publish Date: 30 Sep 2013
  • The coilable mast is a kind of space mast, and it can be used as many deploying mechanisms such as solar array, solar sail and detecting arm. The coilable mast has two deploying modes: local coil mode and helix mode. Based on the coilable mast with triangle-batten-form and hinges, the principle of the local coil mode was described. Firstly, because of the constant length of the diagonals, the batten deforms and has a maximum deformation. Then, after construction and simulation of the model in MSC.ADAMS, the effect of the batten bending stiffness was studied. With that work, this conclusion was obtained: the deploying mode is decided by two factors: the compressed ability of longeron on the batten of the second layer and the bending resistance of batten. This conclusion was verified with simulation of the coilable mast model in MSC.ADAMS. After analyzing the deformation of longeron using the Kirchhoff dynamics of thin elastic rod, the relation between the design parameter of coliable mast and the deploying mode was obtained. That result is helpful in the coilable mast design.

     

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