The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Fault Tree Analysis and its Application for Designing High Reliability Electrical System in Underwater Vehicle

수중함 전기 계통의 고 신뢰도 설계를 위한 고장나무분석과 적용

  • Kim, Jin-San (Dept. of Control and Instrumentation Engineering, Hanbat National University) ;
  • Choi, Jin-Sung (Dept. of Control and Instrumentation Engineering, Hanbat National University) ;
  • Bin, Jae-Goo (Agency for Defense Development) ;
  • Kang, Feel-soon (Dept. of Electronics and Control Engineering, Hanbat National University)
  • Received : 2016.03.07
  • Accepted : 2016.12.05
  • Published : 2017.01.01
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Abstract

A top priority in the design of underwater vehicle is to guarantee the dependability of the electric system because failure of the electrical power supply system is directly related to the life of the passengers. In this paper, we present four kinds of alternative designs to improve reliability of electrical system in underwater vehicle. To reduce the risk and to increase availability of the electrical system, we use the redundancy of the grid structure and power converter. For all design alternatives, we carry out Fault Tree Analysis. Based on the FTA result, we implement RAM simulation to compare the risk and availability for the proposed design alternatives.

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References

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