A method for calibrating a radial acceleration sensor of a wheel of a vehicle including the following steps: acquisition, by the sensor, of signals Si, each signal Si being acquired during a predetermined time window Wi when the vehicle is in motion, the windows Wi being different from one another; detection, for each time window Wi, of local extrema of the signal Si associated respectively with phase values and detection instants; determination, for each time window Wi, of a frequency Fi of the rotation of the wheel of the vehicle as a function of the phase values and of the detection instants for the local extrema detected; low-pass filtering of the signals Si, so as to obtain, for each time window Wi, a filtered value Zi; calibration of a constant error Ec of the radial acceleration sensor as a function of the filtered values Zi and of the frequencies Fi.
Method for calibrating a radial-acceleration sensor for the wheel of a motor vehicle
2022-08-30
Patent
Elektronische Ressource
Englisch
IPC: | G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / 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 |
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