A method for ascertaining a wear value of an electromechanical wheel brake unit for a motor vehicle. The wheel brake unit includes a displaceable actuator element which is movable by a controllable actuator against a brake disk to generate a braking force. The actuator includes an electric motor with a rotor rotatably mounted and operatively connected to the actuator element. In the method, depending on the displacement of the actuator element, the wear value of the wheel brake unit is determined. For ascertaining the wear value, the actuator element is first displaced against an end stop. The actuator element is subsequently moved against the brake disk. When the actuator element is moved from the end stop against the brake disk, the number of revolutions of the rotor is monitored. Depending on the sensed number of revolutions, the wear value of the wheel brake unit is ascertained.
METHOD AND DEVICE FOR OPERATING AN ELECTROMECHANICAL WHEEL BRAKE UNIT, ELECTROMECHANICAL WHEEL BRAKE UNIT AND BRAKE SYSTEM
2025-03-27
Patent
Electronic Resource
English
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