The invention provides a vehicle collision early warning method and device and a vehicle-mounted terminal, and relates to the technical field of the Internet of Vehicles. The method comprises the steps that when the speed of a first vehicle where a first OBU is located is larger than or equal to a first threshold value, the first OBU is started; judging whether at least one target vehicle which is located on the same lane with the first vehicle and is located in front of the first vehicle exists in the communication range of the first OBU or not; under the condition that the target vehicle exists in the communication range, a collision value corresponding to the first vehicle is determined, and the collision value is related to one or more of the position, the vehicle speed and the acceleration of the target vehicle; and under the condition that the collision value is smaller than or equal to a collision threshold value, collision warning information is sent. According to the scheme, the problem that in the prior art, it is difficult to achieve timely and effective collision early warning on the front traffic emergency situation is solved.

    本发明提供了一种车辆碰撞预警方法、装置及车载终端,涉及车联网技术领域,其中,该方法包括:在第一OBU所在的第一车辆的车速大于或等于第一阈值的情况下,判断所述第一OBU的通信范围内是否存在与所述第一车辆在同一车道上且位于所述第一车辆前方的至少一个目标车辆;在所述通信范围内存在所述目标车辆的情况下,确定所述第一车辆对应的碰撞值,所述碰撞值与所述目标车辆的位置、车速及加速度中的一项或多项相关;在所述碰撞值小于或等于碰撞阈值的情况下,发送碰撞告警信息。本发明的方案,解决了现有技术难以对前方交通突发状况实现及时有效的碰撞预警的问题。


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    Title :

    Vehicle collision early warning method and device and vehicle-mounted terminal


    Additional title:

    一种车辆碰撞预警方法、装置及车载终端


    Contributors:
    ZHANG LI (author) / CUI SHIHONG (author) / XIONG YAKUN (author) / GOU XIAOPENG (author) / SHEN KE (author) / XU HONGYAN (author) / ZHOU JIAXI (author) / SUN JIAYUAN (author)

    Publication date :

    2023-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme





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