A tire load sensing system of a vehicle, in particular an agricultural tractor, comprises at least one distance sensor (18a, 18b, 20a, 20b) mounted on the vehicle adjacent to a corresponding tire, the at leat one distance sensor (18a, 18b, 20a, 20b) providing raw distance data representing a distance from the at least one distance sensor (18a, 18b, 20a, 20b) to a surface. At least one pressure sensor (22a, 22b, 22c, 22d) provides tire pressure data representing a tire pressure for the corresponding tire. An electronic control unit (30) receives the raw distance data and the tire pressure data, the electronic control unit (30) determining a filtered distance value for the corresponding tire, calculating a tire deflection value from the filtered distance value, and determining a tire load value by entering the calculated tire deflection value into a stored look-up table containing tire deflection values at known tire pressures obtained from tire pressure data.


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    Title :

    Tire load sensing system of a vehicle


    Additional title:

    Reifenbelastungsmesssystem eines Fahrzeugs
    Système de détection de charge de pneu d'un véhicule


    Contributors:

    Publication date :

    2016-04-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / G01G Wägen , WEIGHING / G01S RADIO DIRECTION-FINDING , Funkpeilung



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