The invention discloses a high-precision vehicle positioning method based on a vehicle-road system, and relates to the technical field of road traffic, when a vehicle needing to obtain a high-precision positioning effect is driven into a vehicle-road cooperation road, license plate number information of the vehicle is sent to nearby roadside equipment through a vehicle-mounted OBU or internet equipment, and positioning assistance is requested; the roadside system firstly searches whether the vehicle driving information is stored in a database in a roadside vehicle information service subsystem, and if not, the vehicle with the license plate is captured through camera equipment of the roadside system; after successful capturing, the roadside system dynamically tracks the vehicle in real time through a laser radar, a camera and a millimeter wave radar sensor which are installed on the roadside, obtains the real-time position of the vehicle through the sensing fusion technology of the roadside system in combination with a pre-collected high-precision map, issues the real-time position to the vehicle end, and stores the real-time position in the vehicle information service subsystem at the same time. The centimeter-level vehicle positioning effect can be realized only by providing simple communication equipment for the vehicle, so that the cost of vehicle end positioning equipment is greatly reduced.

    本发明公开了一种基于车路系统的高精度车辆定位方法,涉及道路交通技术领域,当需要获取高精度定位效果的车辆驶入车路协同道路时,通过车载OBU或上网设备向附近的路侧设备发送自车的车牌号信息,请求定位辅助,路侧系统首先在路侧车辆信息服务子系统中查找是否车辆行驶信息已经储存于数据库中,若不存在,则通过路侧系统的相机设备捕获该车牌的车辆;捕获成功后,路侧系统通过路侧安装的激光雷达、相机、毫米波雷达传感器,实时动态追踪车辆,并通过路侧系统的感知融合技术,结合预先采集的高精度地图,得出车辆的实时位置,下发至车端,同时存储于车辆信息服务子系统中。只需要车辆提供简单的通讯设备,即可实现厘米级别的车辆定位效果,大大降低车端定位设备成本。


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    Titel :

    High-precision vehicle positioning method based on vehicle-road system


    Weitere Titelangaben:

    一种基于车路系统的高精度车辆定位方法


    Beteiligte:
    YU BOTAO (Autor:in) / WANG YAO (Autor:in) / WANG JIN (Autor:in)

    Erscheinungsdatum :

    2022-05-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



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