The invention relates to a traffic information acquisition method and system based on expressway big data, and the method comprises the steps: obtaining the acceleration data of all vehicles passing through an expressway target section within a period of time, and determining the stability of the vehicles according to the acceleration data; acquiring the ground clearance of the target vehicle at each moment within a period of time; determining the flatness of the target section of the expressway according to the ground clearance; finally, the driving risk degree is accurately determined according to the stability of the vehicle and the smoothness of the road surface.

    本申请涉及一种基于高速公路大数据的交通信息采集方法及系统,方法包括:获取一段时间内通过高速公路目标段的所有车辆的加速度数据,根据所述加速度数据确定车辆的稳定性;获取一段时间内目标车辆在每个时刻下的离地距离;根据所述离地距离确定高速公路目标段的平整性;最终根据车辆的稳定性和路面的平整性准确确定驾驶风险程度。


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    Title :

    Traffic information acquisition method and system based on highway big data


    Additional title:

    一种基于高速公路大数据的交通信息采集方法及系统


    Contributors:
    ZHANG YUN (author) / YANG TONG (author) / ZHOU ZHOU (author)

    Publication date :

    2024-09-03


    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



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