The invention discloses a vehicle positioning system for railway traffic, and the system comprises an antenna module of which the input end is connected with the output end of a beacon module; a signal channel circuit, wherein the first input end of the signal channel circuit is connected with the output end of the antenna module; an AD sampling circuit, wherein the input end of the AD sampling circuit is connected with the output end of the signal channel circuit; an FPGA, wherein the first input end of the FPGA is connected with the output end of the AD sampling circuit, peak searching calculation is carried out, and peak time is obtained; and a CPU, wherein the input end of the CPU is connected with the first output end of the FPGA, and the CPU is used for identifying and positioning the vehicle according to the peak time to obtain the beacon position of the vehicle so as to finish vehicle positioning. The problems that a traditional railway traffic positioning technology is complex in installation and low in positioning precision are solved, FSK signals of beacons along a track are read through antenna equipment carried by a vehicle so as to position beacon center points, position information of the vehicle is obtained through calculation, vehicle positioning is completed, the positioning precision is improved, installation, development and maintenance are more convenient, and manufacturing cost is low.

    本发明公开了一种用于铁路交通的车辆定位系统,包括:天线模块,输入端与信标模块的输出端连接;信号通道电路,第一输入端与天线模块的输出端连接;AD采样电路,输入端与信号通道电路的输出端连接;FPGA,第一输入端与AD采样电路的输出端连接,进行寻峰计算,获得峰值时间;CPU,输入端与FPGA的第一输出端连接,根据峰值时间,对车辆进行识别定位,获得车辆的信标位置,完成车辆定位。此发明解决了传统铁路交通的定位技术安装复杂且定位精度低的问题,通过车辆携带的天线设备读取轨道沿途信标的FSK信号,以定位信标中心点,通过计算获得车辆的位置信息,完成了车辆定位,提高了定位精度、安装和开发维护更方便,造价低廉。


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    Title :

    Vehicle positioning system for railway traffic and method thereof


    Additional title:

    一种用于铁路交通的车辆定位系统及其方法


    Contributors:
    NI YALING (author) / ZHUGE XIAOZHONG (author) / HUANG YUN (author) / LIU HUI (author) / LI WEIWEI (author) / PAN LEI (author) / ZHANG RONGFENG (author) / ZHANG YU (author)

    Publication date :

    2021-04-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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