Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Experimental Performance Verification of Energy-Harvesting System Using the Micro-vibration of the Spaceborne Cryocooler

우주용 냉각기의 미소진동을 이용한 에너지 수확 시스템의 실험적 성능검증

  • 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)
  • 정현모 (조선대학교 항공우주공학과 우주기술융합연구실) ;
  • 권성철 (조선대학교 항공우주공학과 우주기술융합연구실) ;
  • 오현웅 (조선대학교 항공우주공학과 우주기술융합연구실)
  • Received : 2016.08.03
  • Accepted : 2016.09.12
  • Published : 2016.09.30
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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.

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References

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