A communication architecture (1) of a train in which at least one central processing unit (3) arranged in a train carriage is interconnected through a communication network (5) of the train with a plurality of peripheral processing units (6). The central processing unit (3) is provided on a single board (7) with: a processor (10) designed to process data associated with an SIL 0 safety level; a coprocessor (12) designed to process data associated with an SIL 1-SIL 2 safety level; an internal bus (14) built on the board (7) and configured to allow a two-way data communication between the processor (10) and the coprocessor (12); an interface (16) for the communication network (5) of the train. The coprocessor (12) is designed to be programmed in a reconfigurable manner with a software (18) that allows the validation and encoding of data coming from the processor (10) according to a safety protocol.


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    Title :

    COMMUNICATION NETWORK ARCHITECTURE FOR TRAINS


    Additional title:

    KOMMUNIKATIONSNETZWERKARCHITEKTUR FÜR ZÜGE
    ARCHITECTURE DE RÉSEAU DE COMMUNICATIONS POUR LES TRAINS


    Contributors:

    Publication date :

    2021-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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