A sensor transmitter calculates a tilt angle for attachment of a G sensor to a corresponding one of wheels and estimates whether the sensor transmitter itself is attached to a right wheel or a left wheel based on a calculation quadratic function, a calculation linear function, a measurement quadratic function, and a measurement linear function. Then, a receiver determines whether the sensor transmitter is attached to a front wheel or a rear wheel based on the result of the estimation and an effective tire radius. In this manner, it can be determined which one of the wheels the sensor transmitter is attached to.


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    Title :

    Sensor transmitter, wheel positional detection apparatus, and tire pressure monitoring system equipped with the same


    Contributors:

    Publication date :

    2021-08-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE