The invention discloses a pipeline leakage detection method, device and equipment for a brake-by-wire system, and the method comprises the steps: responding to a first pressurization request signal when the leakage risk of the pipeline of the brake-by-wire system is detected in a vehicle driving process, and sequentially controlling any one of a plurality of sub-pipelines of the pipeline to be conducted, the other sub-pipelines are closed, and the conducted sub-pipelines are pressurized; acquiring a first target relative displacement and a first actual relative displacement of a motor in the brake-by-wire system corresponding to each sub-pipeline from the pressurizing starting time to the pressurizing ending time of each sub-pipeline; and based on the preset displacement deviation threshold value and the first target relative displacement and the first actual relative displacement corresponding to each sub-pipeline, the leakage state corresponding to each sub-pipeline is determined. And the leakage condition of each sub-pipeline can be identified while the brake pressure requirement of a driver is met.

    本申请公开了一种线控制动系统的管路泄露检测方法、装置及设备,所述的方法包括:在车辆行驶过程中,在检测到线控制动系统的管路存在泄露风险的情况下,响应于第一增压请求信号,依次控制管路的多个子管路中任一子管路导通,其他子管路关闭,对导通的子管路进行增压处理;从各子管路增压起始时间开始至增压终止时间为止,获取各子管路各自对应的线控制动系统中电机的第一目标相对位移和第一实际相对位移;基于预设位移偏差阈值以及各子管路各自对应的第一目标相对位移和第一实际相对位移,确定各子管路各自对应的泄露状态,本申请不仅能够减少压力损失;而且能够在满足驾驶员制动压力需求的同时,识别出各子管路的泄露情况。


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    Title :

    Pipeline leakage detection method, device and equipment for brake-by-wire system


    Additional title:

    线控制动系统的管路泄露检测方法、装置及设备


    Contributors:
    ZHANG JIE (author) / HU HAO (author) / LIU HONGWEI (author) / YANG YI (author) / MENG WANJIA (author)

    Publication date :

    2022-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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