The invention relates to a method for determining the speed of a rail vehicle (10) equipped with at least one first chassis unit (14), according to which method a chassis speed measurement variable (Vdreh) is provided by means of a sensor unit (18). For this purpose: inertial measurement variables (omegabib, fb) are detected by an inertial measurement unit (22); a reference speed characteristic value (Vref) is formed on the basis of the chassis speed measurement variable; an inertial speed characteristic value (VDG) is determined by means of an inertial calculation carried out by a calculation unit (24, 24', 24'') on the basis of the inertial measurement variables during at least one time span according to a first operating mode in order to estimate a deviation (bgyro, bacc, deltav) in the inertial calculation on the basis of the reference speed characteristic value; the inertial speed characteristic value is determined as above - during at least one time span according to a second operating mode without taking into account the reference speed characteristic value; an anomalous provision process of the chassis speed measurement variable is detected by means of a recognition unit (30) on the basis of a reference characteristic value and the chassis speed measurement value; and in this case the inertial calculation is performed according to the second operating mode.


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    Titel :

    Method for determining at least one speed in a rail vehicle


    Beteiligte:
    HASSLER STEFAN (Autor:in) / STUTZLE THORSTEN (Autor:in) / FORSTER TILL (Autor:in)

    Erscheinungsdatum :

    2016-01-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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