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Gestion de procédures et prise en compte du danger lors de l'occurrence d'incidents combinés : Application à la supervision d'une ligne de métro

Abstract : During metro line operations, the supervision operator is responsible for the procedures’ execution when referring to incidents management. However, when combined incidents occur, procedures may be competing. In this particular case, situations which do not ensure people’s safety exist and an accident might happen. Firstly, the approach of studying these procedures integrates their graphical representation with the BPMN notation. These procedures’ models, understandable and accessible, provide a significant amount of knowledge for industrials in this area. Secondly, these models are performed as Petri nets to add dynamic to the system of interest. That is why, the notion of controllability and the influence of the execution context are introduced in the study of incidents management procedures. To ensure people’s safety, forbidden states are defined and identified among the states space with the supervisory control theory. These states are characterized in an original way : depending on their inclusion in a set of states but also depending on the controllability of their outgoing transitions. In addition to this innovative characterization, algorithms allow to determine and to avoid forbidden states. Criteria distinguish the admissible sequences which avoid forbidden states. These differentiation criteria are defined to steer the supervision operator through the actions he has to execute when combined incidents occur. Results allow us to provide assistance to the supervision operator with warnings and advice. This study is based on ATS supervision system developed by Thales and one of their customers’ incidents management procedures, the RATP. A prototype of operator support functionality for incidents management based on customer know-how has been implemented into Thales software.
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Submitted on : Monday, January 4, 2016 - 3:14:40 PM
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  • HAL Id : tel-01247482, version 1

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Delphine Paquereau. Gestion de procédures et prise en compte du danger lors de l'occurrence d'incidents combinés : Application à la supervision d'une ligne de métro. Réseaux et télécommunications [cs.NI]. INSA de Lyon, 2015. Français. ⟨NNT : 2015ISAL0024⟩. ⟨tel-01247482⟩

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