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http://dx.doi.org/10.20910/JASE.2019.13.5.94

Analysis and Experiment on Dynamic Characteristics for Deployable Composite Reflector Antenna  

Chae, Seungho (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Roh, Jin-Ho (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Lee, Soo-Yong (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Jung, Hwa-Young (LIG Nex1)
Lee, Jae-Eun (LIG Nex1)
Park, Sung-Woo (LIG Nex1)
Publication Information
Journal of Aerospace System Engineering / v.13, no.5, 2019 , pp. 94-101 More about this Journal
Abstract
The dynamic characteristics of the composite reflector panels are numerically and experimentally investigated. A dynamics model of the panel is analytically developed based on a deployment mechanism of the antenna. The deployment is passively activated using elastic energy of a spring with two rotational degrees of freedom. Using the flexible multi-body dynamic analysis ADAMS, dynamic behavior of the panels such as velocities, deformations, as well as reaction forces during the deployment, are investigated in the gravity and zero-gravity cases. The reflector panel is manufactured using carbon fiber reinforced plastics (CFRPs) and its deployment characteristics are experimentally observed using a zero-gravity deployment test. The impact response and vibration problems that occur during deployment of the antenna panel have been identified and reliably deployed using dampers.
Keywords
Deployable Antenna; CFRP; Multi-body Dynamics;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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