The embodiment of the invention provides an adhesion coefficient determination method and device, a vehicle, a medium and a program product. The method comprises the steps of obtaining sensor data collected by at least one sensor of a vehicle; according to the sensor data, driving information of the vehicle is determined, and the driving information comprises at least one of the following information: slip rate, longitudinal rigidity, tire longitudinal force, tire lateral force, tire vertical load, front axle lateral force or rack force; according to the driving information or the sensor data and the driving information, determining at least one reference attachment coefficient and the confidence of each reference attachment coefficient; the at least one reference adhesion coefficient comprises at least one of the following: a steady-state adhesion coefficient, a dynamic adhesion coefficient, a longitudinal adhesion coefficient or a transverse adhesion coefficient; and according to the at least one reference adhesion coefficient and the confidence coefficient of each reference adhesion coefficient, determining a target adhesion coefficient of the vehicle and the confidence coefficient of the target adhesion coefficient. According to the method provided by the embodiment of the invention, the accuracy of determining the adhesion coefficient is improved.

    本申请实施例提供附着系数的确定方法、装置、车辆、介质及程序产品。该方法中,获取车辆的至少一个传感器采集的传感器数据;根据传感器数据,确定车辆的行驶信息,行驶信息包括如下至少一种:滑移率、纵向刚度、轮胎纵向力、轮胎侧向力、轮胎垂直载荷、前轴侧向力或者齿条力;根据行驶信息,或者传感器数据和行驶信息,确定至少一个参考附着系数、以及各参考附着系数的置信度;至少一个参考附着系数包括如下至少一种:稳态附着系数、动态附着系数、纵向附着系数或横向附着系数;根据至少一个参考附着系数、各参考附着系数的置信度,确定车辆的目标附着系数、以及目标附着系数的置信度。本申请实施例的方法,提高了确定附着系数的准确率。


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    Title :

    Method and device for determining adhesion coefficient, vehicle, medium and program product


    Additional title:

    附着系数的确定方法、装置、车辆、介质及程序产品


    Contributors:
    SUN YUHANG (author) / SUN YONGSHENG (author) / ZOU LING (author) / MENG XIANGKE (author) / WANG ZHENLONG (author) / JIN CHANGMING (author)

    Publication date :

    2024-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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