Method for determining a contact position and electrically actuated motor vehicle brake
By combining applied force and motor torque, and utilizing current measurement and angle sensors, the contact position of the electric actuator-driven vehicle brake is determined, solving the control problem caused by incorrect contact position and improving the reliability and safety of the brake.
CN116568574BActive Publication Date: 2026-07-24CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
- Filing Date
- 2021-11-04
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
In the prior art, electric actuators in electric vehicles may err in determining the contact position, leading to control problems.
Method used
By combining applied force measurement and motor torque acquisition, and using a comparison method between the initial contact position and the reference contact position, the contact position is determined using existing current measurement sensors and motor angle sensors. Accuracy is ensured by using dispersion and threshold comparison.
Benefits of technology
It improves the reliability and operational safety of electric actuator-driven vehicle brakes and reduces control problems caused by incorrect contact positions.
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Smart Images
Figure CN116568574B_ABST
Abstract
The invention relates to a method for determining the contact position of an electrically actuated motor vehicle brake along the actuator displacement path, wherein a reference contact position is used to verify an initial contact position, and wherein the initial contact position is determined differently from the reference contact position. The invention also relates to a corresponding electrically actuated motor vehicle brake.
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