한국신뢰성학회지:신뢰성응용연구 (Journal of Applied Reliability)

  • 제15권1호
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  • Pages.44-51
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  • 2015
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  • 1738-9895(pISSN)
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  • 2733-8320(eISSN)
한국신뢰성학회 (The Korean Reliability Society)
권호 표지

기능분석을 통한 인공위성의 신뢰도 예측

Reliability Prediction of Satellite by Function Analysis

  • 유기훈 (아주대학교 산업공학과) ;
  • 김기영 (아주대학교 산업공학과) ;
  • 안영기 (아주대학교 산업공학과) ;
  • 차동원 (아주대학교 산업공학과) ;
  • 신구환 (카이스트 인공위성연구센터) ;
  • 김동국 (카이스트 인공위성연구센터) ;
  • 채장수 (카이스트 인공위성연구센터) ;
  • 장중순 (아주대학교 산업공학과)
  • Yoo, Ki-Hoon (Department of Industrial Information and System Engineering, Ajou University) ;
  • Kim, Gi-Young (Department of Industrial Information and System Engineering, Ajou University) ;
  • Ahn, Yeong-Gi (Department of Industrial Information and System Engineering, Ajou University) ;
  • Cha, Dong-Won (Department of Industrial Information and System Engineering, Ajou University) ;
  • Shin, Goo-Hwan (Satellite Technology Research Center, Korea Advanced Institute of Science and Technology) ;
  • Kim, Dong-Guk (Satellite Technology Research Center, Korea Advanced Institute of Science and Technology) ;
  • Chae, Jang-Soo (Satellite Technology Research Center, Korea Advanced Institute of Science and Technology) ;
  • Jang, Joong-Soon (Department of Industrial Information and System Engineering, Ajou University)
  • 투고 : 2014.11.26
  • 심사 : 2015.01.19
  • 발행 : 2015.03.25
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초록

In this study, we propose reliability prediction of a satellite by function analysis. To do so, the intended functions of the satellite are derived from using function structure block diagram, and defined as main, sub, and detailed functions. Furthermore, in order to generate function and reliability structure table, reliability model rule, duty cycle, and types of switch are assigned to the classified functions. This study also establishes reliability block diagram and mathematical reliability models to schematize the relationship among the functions. The reliability of the classified function is estimated by calculating the failure rate of parts comprising them. Finally, we apply the proposed method to a small satellite as a case study. The result shows that the reliability for the detailed function and the sub function as well as the main function could be predicted quantitatively and accurately by the proposed approach.

키워드

참고문헌

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