Self-Deployable Geometries for Space Applications

Abstract : Variable-geometry structures are useful in aerospace applications because they are deployable, from a compact configuration (launch phase) to a spread geometry (operational phase). They may also benefit from the use of flexible joints, which store elastic energy for automatic deployment. Following the development of a self-deploying antenna frame structure with scissors, the geometrical configuration of a new kind of structure, simpler, lighter, and minimizing mechanical joints between elements, is proposed in this article. This topology can form a three-dimensional structure when partially opened or a planar structure when fully deployed. The applications concern autotensioning structures such as meshed space antenna, deorbiting sails, and also solar panel support structures.
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Submitted on : Thursday, November 29, 2018 - 2:19:52 PM
Last modification on : Monday, December 17, 2018 - 3:10:02 PM

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William Bettini, Jérôme Quirant, Julien Averseng, Bernard Maurin. Self-Deployable Geometries for Space Applications. Journal of Aerospace Engineering, American Society of Civil Engineers, 2019, 32 (1), pp.04018138. ⟨10.1061/(ASCE)AS.1943-5525.0000967⟩. ⟨hal-01939408⟩

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