Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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A Linkage Based Space Debris Capture Device Utilizing Kevlar Wires

Kevlar wire를 이용한 링크 구동형 우주잔해 포획장치

  • Jung, Jinwon (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Hwang, Bohyun (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kim, Heekyung (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Lee, Gunhee (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Seo, Minseok (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Lee, Dongyun (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kim, Byungkyu (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
  • 정진원 (한국항공대학교 항공우주 및 기계공학부) ;
  • 황보현 (한국항공대학교 항공우주 및 기계공학부) ;
  • 김희경 (한국항공대학교 항공우주 및 기계공학부) ;
  • 이건희 (한국항공대학교 항공우주 및 기계공학부) ;
  • 서민석 (한국항공대학교 항공우주 및 기계공학부) ;
  • 이동윤 (한국항공대학교 항공우주 및 기계공학부) ;
  • 김병규 (한국항공대학교 항공우주 및 기계공학부)
  • Received : 2017.09.11
  • Accepted : 2017.10.25
  • Published : 2017.10.31
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Abstract

As the space debris in the satellite orbit increases, the risk of collision between the currently operating satellites and the space debris is continuously increasing. Therefore, in this study, we designed one-degree-of-freedom capture device using simple deployment mechanism. The capture device consists of four link groups connected with net. To increase the reliability, each link group is connected to one driving part so that the total degree of freedom is 1. In addition, the links were stowed on each side of the satellites so that they would not affect the janitor satellite mission. Finally, to confirm the possibility of deployment in the space environment, we carried out deployment experiments in water similar to the microgravity environment, and confirmed the deployment of capture device and the possibility of capturing target satellite.

위성 궤도 내 우주 잔해가 늘어남에 따라 현재 운용 중인 위성들과 폐위성과의 충돌 위험이 지속적으로 증가하는 추세이다. 위 문제를 해결하기 위해 본 연구에서는 1 자유도의 간단한 메커니즘을 사용한 포획장치를 설계하였다. 포획장치는 net가 연결된 4개의 링크군으로 구성되었다. 또한 신뢰도를 높이기 위해 4개의 링크군을 하나의 구동부에 연결하여 자유도가 1이 되도록 설계하였다. 포획장치가 청소위성(janitor위성)의 임무수행에 영향을 끼치지 않도록 위성의 옆면에 수납하였다. 최종적으로 우주 환경에서의 전개 가능성을 파악하기 위해 미세중력 환경을 모사한 수중환경에서 포획장치 전개 실험을 수행하였다. 포획장치 전개실험 중 janitor위성과의 간섭 없이 전개완료 됨을 확인함으로써 대상 위성 포획에 대한 가능성을 검증하였다.

Keywords

References

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