The invention relates to an electronic parking brake system and a control method thereof. An electronic parking brake system includes: an electronic parking brake (EPB) including a piston, a cylinder, and an EPB actuator, the piston being hydraulically moved to press a brake pad onto a brake disc, the piston being provided in the cylinder so as to be movable back and forth, the EPB actuator moving the piston through a motor to press the brake pad onto the brake disc; a pressure sensor configured to detect a hydraulic pressure of the cylinder; an electronic stability control (ESC) actuator configured to generate a hydraulic pressure and supply the hydraulic pressure to the cylinder; and a controller configured to control the EPB actuator and the ESC actuator, in which the controller is configured to detect an actual hydraulic pressure of the cylinder through the pressure sensor in EPB disengagement, and control the EPB actuator to initiate EPB disengagement control when the detected actual hydraulic pressure is higher than a required hydraulic pressure.

    本公开涉及电子驻车制动系统及其控制方法。电子驻车制动系统包括:电子驻车制动器EPB,EPB包括活塞、气缸和EPB致动器,活塞通过液压移动以将制动垫按压到制动盘上,活塞能前后移动地设置在气缸中,EPB致动器通过马达使活塞移动以将制动垫按压到制动盘上;压力传感器,压力传感器被配置成检测气缸的液压;电子稳定性控制ESC致动器,ESC致动器被配置成产生液压并将液压供应到气缸;以及控制器,控制器被配置成控制EPB致动器和ESC致动器,其中,控制器被配置成在EPB脱离中通过压力传感器检测气缸的实际液压,并且当检测到的实际液压高于所需液压时,控制EPB致动器以启动EPB脱离控制。


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    Title :

    Electronic parking brake system and control method thereof


    Additional title:

    电子驻车制动系统及其控制方法


    Contributors:
    KIM JI-HWAN (author)

    Publication date :

    2023-03-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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