A trackside train measuring system (1) for measuring a length (lM-N) of a passing train (100), includes two stationary sensors (11, 12) which are arranged along a train track (200) at a predetermined distance (d) from each other. Both sensors (11, 12) are connected to an analysis unit (13) which calculates the speed (s) of the train (100) by dividing the following values: s = d / (t2 – t1), wherein the time t1 is the time at which a predetermined feature (101, 102, 101’, 102’) of the train (100) passes a first sensor (11) and the time t2 is the time at which the same feature (100) passes the second sensor (12). The length (lM-N) of the passing train (100) is subsequently calculated based on the following equation: lM-N = s * (tM – tN), wherein the time tM is the time at which a predetermined feature (101, 101’) of the train (100) passes one of the two stationary sensors (11, 12) and the time tN is the time at which another predetermined feature (102, 102’) of the train (100) passes the 20 same of the two stationary sensors (11, 12). The sensors (11, 12) may be axle counters, and the total length of the train may be calculated by summing up several measured train portions. A measurement time window (possibly based upon train speed) may be used to set the time over which the length of a given train is sensed.


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    Titel :

    Sensor based trackside train measuring system


    Beteiligte:
    SIMON CHADWICK (Autor:in)

    Erscheinungsdatum :

    2020-10-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen



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