The embodiment of the invention discloses a brake disc temperature determination method and device and a vehicle. The brake disc temperature determination method comprises the steps that when a high-temperature re-clamping function is available, the initialization temperature of a brake disc is determined according to the relation between the brake disc temperature in the last period and the environment temperature; in the non-dynamic braking working condition, the temperature rise of the brake disc is determined according to the wheel speed pulse and the wheel cylinder pressure, and in the dynamic braking working condition, the temperature rise of the brake disc is determined according to the vehicle speed; determining cooling of the brake disc according to the cooling relation of the brake disc along with the vehicle speed; and determining the temperature of the brake disc according to the initialization temperature and the difference between the temperature rise of the brake disc and the temperature drop of the brake disc. According to the embodiment of the invention, the confirmation difficulty of the temperature of the brake disc is effectively reduced, the confirmation precision of the temperature of the brake disc is improved, an EPB system can execute precise high-temperature re-clamping operation, and the risk that a vehicle slides on a slope is avoided.

    本发明实施例公开了一种制动盘温度确定方法、装置及车辆。制动盘温度确定方法包括:在高温再夹功能可用时,根据上个周期的制动盘温度与环境温度的关系,确定制动盘的初始化温度;在非动态制动工况时,根据轮速脉冲和轮缸压力确定制动盘的升温,以及在动态制动工况时,根据车速确定制动盘的升温;根据制动盘随车速的降温关系确定制动盘的降温;根据初始化温度、以及制动盘的升温减去制动盘的降温确定制动盘的温度。本发明实施例有效降低了制动盘温度的确认难度,提高了制动盘温度的确认精度,有利于EPB系统执行精准高温再夹紧操作,规避车辆溜坡风险。


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    Titel :

    Brake disc temperature determination method and device and vehicle


    Weitere Titelangaben:

    制动盘温度确定方法、装置及车辆


    Beteiligte:
    YAN LUPING (Autor:in) / LI SHUANG (Autor:in)

    Erscheinungsdatum :

    12.04.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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