본 연구에서는 승객들의 실족 사고를 방지하고 보행안전을 확보하기 위해 개발한 승강장 안전발판 시스템의 모듈별 부품들을 계층적으로 분류하여 고장률을 예측하였다. 예측된 고장률을 바탕으로 신뢰성 블록도와 고장수목분석을 이용하여 시스템별 평균 수명 및 고장률을 산출하였고 승강장 안전발판 시스템의 RAMS(신뢰성, 가용성, 유지보수성, 안전성) 분석을 위해 수행한 신뢰도 분석 결과를 제시하고자 한다.
We developed the platform safety step system for the passenger to avoid misstep accident and secure the pedestrian safety. In this study, we classify platform safety step system into hierarchy system and predict the failure rate of each part and calculate the failure rate & MTBF(Mean Time Between Failure) of each module(sub-system) by means of RBD(Reliability Block Diagram) & FTA(Fault Tree Analysis). Finally, we will propose the reliability analysis results for RAMS analysis of platform safety step system.
H. S. Yun, et al., “A Study on the Application of RAMS for Urban Maglev Signalling System”, Proceedings of the 2008 annual meeting for Korean Society for Railway, pp.1113-1125, 2008.
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S. Y. Han, et. al., “Improvement of RAMS Application to Electrical Multiple Unit in Korea”, Proceedings of the 2006 spring annual meeting for the Korean Society for Railway, pp.25-32, 2006.
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S. Y. Han, et. al., “ Reliability Management of the Rubber-Tired AGT Vehicle System”, Proceedings of the 2004 autumn annual meeting for the Korea Safety Management & Science, pp.171-182, 2004.
S. Y. Han, et. al., “A study on the Comparison of the International Standards for Railway Reliability”, Proceedings of the 2005 spring annual meeting for the Korea Safety Management & Science, pp.267-271, 2005