The invention relates to an early warning method and system for highway driving in foggy days, and belongs to the technical field of traffic safety. The method comprises the following steps: acquiring longitude and latitude positioning information of a current vehicle and surrounding vehicles; calculating the vehicle distance and the vehicle speed between the current vehicle and the surrounding vehicles; judging whether the current vehicle is in a safe vehicle distance range or not; if the current vehicle is not within the safe vehicle distance range, whether surrounding vehicles and the current vehicle run in the same direction or not is judged; if the surrounding vehicles and the current vehicle run in the same direction, whether the surrounding vehicles and the current vehicle are in the same lane is judged; if the surrounding vehicle and the current vehicle are not in the same lane, the relative position of the surrounding vehicle and the current vehicle is judged, and a display prompt is given to the current vehicle; if the surrounding vehicle and the current vehicle are on the same lane, the relative position of the surrounding vehicle and the current vehicle is judged, and an early warning signal is sent to the current vehicle. According to the invention, the driving safety of the expressway under the condition that visible conditions in foggy days are greatly influenced is improved.

    本发明涉及一种雾天高速公路行驶预警方法及系统,属于交通安全技术领域。所述方法包括:获取当前车辆与周围车辆的经纬度定位信息;计算出当前车辆与周围车辆的车距及车速;判断当前车辆是否在安全车距范围内;若当前车辆不在安全车距范围内,则判断周围车辆与当前车辆是否同向行驶;若周围车辆与当前车辆同向行驶,则判断周围车辆与当前车辆是否在同一车道;若周围车辆与当前车辆不在同一车道,则判断周围车辆与当前车辆的相对位置,并向当前车辆予以显示提醒;若周围车辆与当前车辆在同一车道上,则判断周围车辆与当前车辆的相对位置,并向当前车辆发出预警信号。本发明提高了在雾天可视条件受到极大影响情况下的高速公路行车安全性。


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    Title :

    Early warning method and system for driving on highway in foggy days


    Additional title:

    一种雾天高速公路行驶预警方法及系统


    Contributors:
    SUN XINYU (author) / WANG HESHUN (author) / WANG YONGDI (author)

    Publication date :

    2022-08-16


    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 / G01S RADIO DIRECTION-FINDING , Funkpeilung / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme



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