This chapter presents an example of an accidental process taken from the railway transport and more precisely safety aspects linked to the introduction of automation. This example is one of the main advantages of Petri nets (PNs), of being easily completed to put processes into a chain, to insert conditions on transition firings, etc. To study the risk of passengers being hurt by an untimely train door closing, two primary elementary entities are considered, namely the vulnerable target and the hazard source. The chapter also describes how the event untimely door closing occurs. It is relative to the couple target‐source, respectively, constituted by the train door and its control system (DCS). The control architecture of the whole system shows that the door control systems are part of a higher level system, the automatic train control (ATC) in charge of the coordination of the various elementary functions.


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    Title :

    Illustrative Example




    Publication date :

    2016-03-30


    Size :

    8 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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