The invention relates to the technical field of braking systems, in particular to a parking release control method of an electronic parking braking system. The specific method comprises the following steps: S1, starting; s2, judging whether the electronic parking brake system receives an unlocking request or not; s3, a driving motor of the electronic parking braking system is made to rotate in the clamping direction; s4, judging whether the driving motor rotates to the position of the rotating target or not; s5, the electromagnet is driven to retract, and the ratchet wheel is unlocked; s6, whether the electronic parking brake system is successfully unlocked or not is judged; s7, the driving motor is controlled to rotate in the releasing direction; s8, judging whether the motor corner position change of the driving motor is within a range of +/-a or not; and S9, it is judged that Counter is larger than or equal to n or the rotating angle of the motor in the parking release direction exceeds the motor rotating angle position corresponding to the rotating angle of the single ratchet gear. Compared with the prior art, the parking release control method of the electronic parking brake system has the advantages that the electronic parking brake system can be accurately and quickly unlocked.

    本发明涉及制动系统技术领域,具体的说是一种电子驻车制动系统的驻车解除控制方法。具体方法流程如下:S1,开始;S2,判断电子驻车制动系统是否接收到解锁的请求;S3,使电子驻车制动系统的驱动电机向夹紧方向转动;S4,判断驱动电机是否转动到转动目标的位置;S5,驱动电磁铁缩回,并解锁棘轮;S6,判断电子驻车制动系统是否解锁成功;S7,控制驱动电机向释放方向转动;S8,判断驱动电机的电机转角位置变化是否在±a范围内;S9,判断Counter≥n或者电机向着驻车释放的方向转动的角度超过单个棘轮齿轮的转角对应的电机转角位置。同现有技术相比,提供一种电子驻车制动系统的驻车解除控制方法,可以精准、快速的对电子驻车制动系统进行解锁动作。


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    Title :

    Parking release control method of electronic parking brake system


    Additional title:

    一种电子驻车制动系统的驻车解除控制方法


    Contributors:
    LI WEI (author) / REN QINGWEN (author) / ZHAO TIANXIN (author) / SHAO JUAN (author) / WANG YUANWEN (author) / HUANG PEI (author)

    Publication date :

    2024-06-14


    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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