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A Study on the Analysis of Reliability and Loss Cost by Appling k out of n System in Combined On-board Signaling System

차상통합신호시스템에서 k out of n 시스템 적용에 대한 신뢰도 및 손실비용 분석에 관한 연구

  • 김민규 (서울메트로 신호처) ;
  • 차기호 (고려개발 철도사업부) ;
  • 김민석 (한국전기산업진흥회 연구개발팀) ;
  • 이종우 (서울과학기술대학교 철도전기신호공학과)
  • Received : 2011.11.07
  • Accepted : 2012.02.06
  • Published : 2012.02.26

Abstract

There are ATC (Automatic Train Control), ATP (Automatic Train Protection), ATS (Automatic Train Stop) and ATO (Automatic Train Operation) etc. in train control systems. As various train control systems are installed according to sections, on-board signaling systems are installed to apply to the section. Hence, operation flexibility of trains is decreased. In other words, when trains are operated in the section where other train control systems are used, the on-board signaling systems are changed. Recently, a study on the combined on-board signaling system has been researched to solve this problem. The combined on-board signaling system consists of ATC, ATP and ATS device. Because the train control systems are vital, it needs to design the combined on-board signaling system by using k out of n system. In this paper, when k out of n system is applied in the combined on-board signaling system, the reliability and loss cost are analyzed by using failure rate in each device. Hence, the ideal number of systems is presented according to the number of outputs.

Acknowledgement

Grant : 차세대 고속철도 차상신호장치의 RAMS활동

Supported by : 국토해양부

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