CALIBRATION METHOD FOR AN ELECTRO-HYDRAULIC MOTOR VEHICLE BRAKING SYSTEM AND ASSOCIATED CALIBRATION DEVICE
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United States of America Patent
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Issued Date -
Jan 5, 2017
app pub date -
Dec 12, 2014
filing date -
Mar 14, 2014
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Abstract
A calibration method is specified for an electro-hydraulic motor vehicle brake system. The brake system comprises a piston for building up a hydraulic pressure in the brake system, a first actuator having an electric motor, and a second actuator having a brake pedal interface. The first actuator and the second actuator are both capable of activating the piston, wherein a first sensor system detects a change in state of the first actuator, and a second sensor system detects a change in state of the second actuator. The calibration method starts with actuation of the electric motor, in order to activate the piston by means of the first actuator, wherein the second actuator follows the piston activation. During the piston activation, a first signal which is generated by the first sensor system and which permits a conclusion to be drawn about an extent of the piston activation, as well as a second signal which is generated by the second sensor system are detected. Subsequently, the first signal is calibrated on the basis of the second signal, or vice versa.
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