Coupling between structural deformation and attitude motion of large planar space structures suspended by multi-tethers

Ishimura, Kosei; Higuchi, Ken

Acta Astronautica, 2007, 60(8-9), 691-710

Permalink : https://hdl.handle.net/2115/22090

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アクセス権
open access
URI
https://hdl.handle.net/2115/22090
タイトル
Coupling between structural deformation and attitude motion of large planar space structures suspended by multi-tethers
著者
著者名
Ishimura, Kosei
著者名
Higuchi, Ken
言語
英語
キーワード
Structural analysis
Spacecraft dynamics
Attitude motion
発行日
2007
出版者
Elsevier
収録物名
Acta Astronautica
巻(号)
60(8-9)
ページ
691-710
抄録
A planar space structure suspended by multi-tethers is one candidate for large and lightweight structures. For such flexible structures, coupling phenomena between structural deformation and attitude motion must be considered. In the present paper, the dynamic characteristics of a planar structure suspended by multi-tethers are investigated. Simulation results reveal that the coupling occurs for low tether stiffness. In addition, it is shown that the coupling can also occur if a number of the tethers become slack. Thermal deformation of the planar structure is one cause of tether slack. Thermal deformation and the induced attitude motion are also investigated. It is shown that roll and yaw motions become unstable due to thermal deformation. Finally, we modify the condition of the connection between sub-panels in order to reduce the overall thermal deformation, and it is confirmed that large deformation can be inhibited by the modification.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
0094-5765
EISSN
0094-5765
関連情報
URI
http://www.sciencedirect.com/science/journal/00945765
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.actaastro.2006.10.002