Risk is generally defined as a combination of the consequence's gravity and the occurrence probability of an undesirable event. In Human-Machine Systems (HMS), these undesirable events can be generated by technical components and/or human operators. That's why; risk analysis in HMS has to take into account on one hand, intentional and unintentional human failures, their consequences, and occurrence probabilities and on the other hand, technical failures, their consequences, and occurrence probabilities in order to improve both the risk analysis and the safety of the design. This paper presents a new complete Fault Tree method that integrates the technical failures and the human errors consequences and occurrence probabilities. It is especially meant for urban guided transportation systems.
Risk analysis in human machine-systems: A new fault tree method integrating human and technical failures. Application to a degraded train speed procedure
Risikoanalyse von Mensch-Maschine-Systemen: Eine neu Fehlerbaummethode mit Berücksichtigung von menschlichen und technischen Fehlern. Anwendung bei verminderten Zuggeschwindigkeitsfällen
Prospektive Gestaltung von Mensch-Technik-Interaktion, Berliner Werkstatt Mensch-Maschine-Systeme, 7 ; 95-100
2007
6 Seiten, 6 Bilder, 8 Quellen
Conference paper
English
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