Self-Deployable, Self-Stiffening, and Retractable Origami-Based Arrays for Spacecraft
AIAA journal/AIAA journal on disc(2020)
Abstract
Spacecraft with large arrays sometimes have deployed sizes that are much larger than the launch volumes; in this case, deployable arrays are used. Several methods exist for stowing, deploying, and stiffening large space arrays. Often these functions are performed by separate systems. This work presents a novel array system that integrates these functions into one system, without the need for external deployment or stiffening structures. The integration comes from the combination of the kinematics of origami-based folding approaches, stored strain energy of compliant hinges, and tension cables. Additionally, due to the origami-based folding approach used, tunable deployed shapes and retraction are possible using reeled cables. The result is a new array architecture that is self-deployable, self-stiffening, and retractable (SDSR) and is described in this work. To understand the behavior of such systems, this work presents the modeling and testing of an SDSR array using an origami flasher pattern and discusses the results for the performance considerations of deployment motion, deployment stiffness, and dynamics.
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Key words
Space Applications,Microscale Self-Assembly,Deployable Structures,Self-Assembly
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