Volume 29 Issue 5
Sep.  2009
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Yang Yulong, Guan Fuling. Theoretical Analysis of Surface Error for Deployable Truss Antenna[J]. Journal of Space Science, 2009, 29(5): 529-533. doi: 10.11728/cjss2009.05.529
Citation: Yang Yulong, Guan Fuling. Theoretical Analysis of Surface Error for Deployable Truss Antenna[J]. Journal of Space Science, 2009, 29(5): 529-533. doi: 10.11728/cjss2009.05.529

Theoretical Analysis of Surface Error for Deployable Truss Antenna

doi: 10.11728/cjss2009.05.529
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2009-09-15
  • Aimed at the characteristics of large deployable truss antenna with many trusses and joints, surface error and repetitive deployable precision of antenna with tolerances of trusses and joints clearances were studied. Considered the randomicity of tolerances of trusses and joints clearances, a stochastic finite element model of deployable truss antenna used Monte-Carlo method was developed to simulate the root mean square of surface error. It is shown that the value of root mean square of surface error caused by joints clearances is much larger than that from tolerances of trusses, and the repetitive deployable precision error of antenna can not be neglected.

     

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