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논문 기본 정보

저자정보
(Korea Railroad Research Institute) (Korea Railroad Research Institute) (Korea Railroad Research Institute)
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대한전기학회 전기학회논문지 전기학회논문지 제75권 제11호
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    초록·키워드

    Railway accidents are low-frequency, high-consequence events. Railway operators must balance safety investment costs and accident risk under limited budgets and resources. This study formulates railway accident risk as a function of occurrence frequency and consequence severity to identify optimal combinations of safety measures. A Bow-Tie model is developed to construct accident scenarios and evaluate outcomes resulting from combinations of system successes and failures. The optimization considers various safety measures, including automatic train control (ATC), and the presence or absence of a driver. The results show that an optimal combination of safety measures can minimize costs while satisfying the allowable risk constraint.

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