The invention relates to a rail transit emergency positioning system and method, which are used for emergency positioning of subway vehicles along a subway and in a tunnel, the emergency positioning system comprises a camera, an IMU, a display and a video identification host, the video identification host is respectively connected with the camera, the IMU and the display. The camera is used for shooting a kilometer post on the wall of a tunnel, the IMU is used for collecting the acceleration of a vehicle and calculating the displacement of the vehicle, and the video recognition host combines the kilometer post with the displacement, locates the position information of the vehicle, and sends the position information of the vehicle to a dispatching center through a wireless vehicle-ground communication channel. Compared with the prior art, the system has the advantages that the method does not depend on an external system, trackside equipment is not added, the cost is strictly controlled, and train position auxiliary display information can be provided under the condition that original signal equipment breaks down.

    本发明涉及一种轨道交通应急定位系统及方法,用于地铁沿线及隧道中的地铁车辆的应急定位,所述的应急定位系统包括摄像机、IMU、显示器和视频识别主机,所述的视频识别主机分别与摄像机、IMU和显示器连接,所述的摄像机用于拍摄隧道壁上的公里标,所述的IMU用于采集车辆的加速度,计算车辆位移,所述的视频识别主机将公里标与位移结合,定位车辆的位置信息,并通过无线车地通信通道,把车辆位置信息发往调度中心。与现有技术相比,本发明具有以下优点:不依赖外部系统,不增加轨旁设备,严格控制成本,可在原有信号设备故障情况下提供列车位置辅助显示信息等。


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    Title :

    Rail transit emergency positioning system and method


    Additional title:

    一种轨道交通应急定位系统及方法


    Contributors:
    DING LU (author) / CUI HONGZHOU (author) / JIANG YAODONG (author) / HAN HAILIANG (author)

    Publication date :

    2021-01-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS



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