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http://dx.doi.org/10.20910/JASE.2016.10.3.15

Experimental Performance Verification of Energy-Harvesting System Using the Micro-vibration of the Spaceborne Cryocooler  

Jung, Hyunmo (Space Technology Synthesis Lab., Dept. of Aerospace Engineering, Chosun University)
Kwon, Seongcheol (Space Technology Synthesis Lab., Dept. of Aerospace Engineering, Chosun University)
Oh, Hyunung (Space Technology Synthesis Lab., Dept. of Aerospace Engineering, Chosun University)
Publication Information
Journal of Aerospace System Engineering / v.10, no.3, 2016 , pp. 15-22 More about this Journal
Abstract
The on-board appendages of satellites with mechanical moving parts such as the fly-wheel, the control-moment gyro, the cryocooler, and the gimbal-type directional antenna can generate an undesirable micro-vibration disturbance, which is one of the main causes of the image-quality degradation that affects high-resolution observation satellites. Consequently, the isolation of the micro-vibration issue has always been considered as salient, and the micro-vibration is therefore the focus of this study wherein a complex system that can provide the dual functions of a guaranteed vibration-isolation performance and electrical energy harvesting is proposed. The vibration-isolation and energy-harvesting performances of the complex system are predicted through a numerical analysis based on the characteristics that are obtained from component-level tests. In addition, the effectiveness of the complex system that is proposed in this study is verified through an assembly-level functional-performance test.
Keywords
Spaceborne Cryocooler; Micro-vibration; Piezoelectric; Energy-Harvesting System; Vibration Isolator;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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