The invention relates to a target curvature calculation method and device, and relates to the technical field of vehicle braking, and the method comprises the following steps: obtaining the longitudinal vehicle speed and the transverse vehicle speed of a vehicle based on the real-time vehicle speed and the side slip angle of the vehicle; based on the relative longitudinal vehicle speed and the relative transverse vehicle speed of the target vehicle relative to the own vehicle, the real-time vehicle speed of the target vehicle is obtained by combining the longitudinal vehicle speed and the transverse vehicle speed of the own vehicle; obtaining the transverse acceleration of the target vehicle based on the relative transverse acceleration of the target vehicle relative to the own vehicle and the transverse acceleration of the own vehicle; and obtaining the motion curvature of the target vehicle based on the real-time vehicle speed and the transverse acceleration of the target vehicle. The related information of the target vehicle is obtained according to the driving condition of the vehicle and the relative condition of the target vehicle, the motion curvature of the target vehicle is obtained through data processing, a data basis is provided for collision pre-judgment of an automatic emergency brake system, and driving safety is improved.

    本申请涉及一种目标曲率计算方法及装置,涉及车辆制动技术领域,该方法包括以下步骤:基于自身车辆的实时车速以及质心侧偏角,获得自身车辆的纵向车速以及横向车速;基于目标车辆相对自身车辆的相对纵向车速以及相对横向车速,结合自身车辆的纵向车速以及横向车速,获得目标车辆的实时车速;基于目标车辆相对自身车辆的相对横向加速度以及自身车辆的横向加速度,获得目标车辆的横向加速度;基于目标车辆的实时车速以及横向加速度,获得目标车辆的运动曲率。本申请通过自身车辆的行驶情况以及目标车辆的相对情况,获取目标车辆的相关信息,并通过数据处理获得目标车辆的运动曲率,为自动紧急刹车系统进行碰撞预判提供数据依据,提高驾驶安全。


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    Title :

    Target curvature calculation method and device


    Additional title:

    一种目标曲率计算方法及装置


    Contributors:
    ZHAO KEDAO (author) / LIU HUIKAI (author) / WANG YANGXIONG (author) / HOU MINGYANG (author) / HUANG XIWANG (author)

    Publication date :

    2024-03-15


    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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