The invention provides a reversing brake auxiliary control method, system and device and a medium, and relates to the technical field of automobile auxiliary functions.The method comprises the steps that the first distance between a vehicle and an obstacle is obtained based on a millimeter wave radar, and the second distance between the vehicle and the obstacle is obtained based on an ultrasonic radar; obtaining a relative distance according to the first distance and the second distance; acquiring the category of the obstacle based on the millimeter-wave radar, and acquiring the height of the obstacle based on the ultrasonic radar; when it is judged that the obstacle is metal and the height of the obstacle is lower than a height threshold value, the influence of the obstacle is eliminated; otherwise, acquiring the relative speed of the vehicle and the obstacle in real time; calculating current collision time according to the relative vehicle speed and the relative distance; when it is judged that the current collision time is smaller than the safety time threshold value, a vehicle braking instruction is generated. According to the method, the measured relative distance between the vehicle and the obstacle is more accurate, braking can be conducted in time before the vehicle collides, and meanwhile misjudgment on the obstacle can be avoided.

    本发明提供一种倒车制动辅助控制方法、系统、设备及介质,涉及汽车辅助功能技术领域,方法包括:基于毫米波雷达获取与障碍物之间的第一距离,基于超声波雷达获取与障碍物之间的第二距离;根据第一距离和第二距离获得相对距离;并基于毫米波雷达获取障碍物的类别,基于超声波雷达获取障碍物的高度;判断障碍物的类别为金属且障碍物的高度低于高度阈值时,排除障碍物影响;否则,实时获取车辆与障碍物的相对车速;根据相对车速和相对距离计算当前碰撞时间;判断当前碰撞时间小于安全时间阈值时,生成车辆制动指令。本发明提供的方法测得车辆与障碍物之间的相对距离更准确,且可在车辆发生碰撞之前及时制动,同时还能避免对障碍物的误判断。


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    Title :

    Reversing brake auxiliary control method, system, equipment and medium


    Additional title:

    一种倒车制动辅助控制方法、系统、设备及介质


    Contributors:
    PEI YUEYING (author) / NA DESHENG (author) / HE YONGPAN (author) / OH YONG-PAL (author) / LI HU (author)

    Publication date :

    2024-03-22


    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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