International Journal of Aerospace System Engineering

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Deployment Behaviors of CFRP Reflector under Zero-gravity Environment

  • Chae, Seungho (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Oh, Young-Eun (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Lee, Soo-Yong (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Roh, Jin-Ho (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
  • Received : 2018.10.01
  • Accepted : 2020.01.27
  • Published : 2020.06.30
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Abstract

A deployment mechanism is designed to stow into a small volume efficiently. The panels are fabricated by carbon fiber reinforced plastics (CFRPs). The parameters for the deployment are determined by considering the number of panels, the folding/twisting angles, and the driving force for a deployment device. In addition, a surface accuracy of the manufactured reflector is measured through a photogrammetry methodology. The deployment behavior of CFRP reflector is observed by using the zero-gravity device which compensates the gravity effect during the deployment. The zero-gravity device is constructed wire, motor, controller and loadcell. During the deployment of the reflector panel, the wire and motor compensate for its weight by the feedback process of the controller. Tests result show that a zero-gravity device compensates for the weight of the panel during the deployment of the CFRP reflector.

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References

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