The invention discloses a track line curvature radius online real-time measurement system and method. The system comprises a measurement part which is used for measuring the real-time operation parameter information of a railway vehicle so as to determine the vehicle speed of the railway vehicle and the vehicle body yaw angular velocity and vehicle body yaw angular acceleration of a measured vehicle body, and a calculation part which is used for calculating the line curvature radius of the position where the front bogie of the measured vehicle body is located according to the vehicle speed, the vehicle body yaw angular velocity, the vehicle body yaw angular acceleration and the fixed distance of the measured vehicle body. According to the measurement system and method, online real-time measurement is carried out on the track line curvature radius based on vehicle body attitude sensing, the measurement accuracy is high, and the requirements of an active control system with the track line curvature radius as a parameter for the real-time performance and the accuracy of the track line curvature radius can be met.

    本发明公开了一种轨道线路曲率半径在线实时测量系统及方法,该系统包括:测量部件,用于测量轨道车辆的实时运行参数信息,以确定轨道车辆的车速以及被测车体的车体偏航角速度和车体偏航角加速度;计算部件,用于根据所述车速、所述车体偏航角速度、所述车体偏航角加速度,以及所述被测车体的定距计算得到所述被测车体的前转向架所在位置的线路曲率半径。该测量系统及方法基于车体姿态感知对轨道线路曲率半径进行在线实时测量,测量准确性高,能够满足以轨道线路曲率半径为参数的主动控制系统对线路曲率半径实时性、准确性的要求。


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    Title :

    Track line curvature radius online real-time measurement system and method


    Additional title:

    轨道线路曲率半径在线实时测量系统及方法


    Contributors:
    TANG MINGJUN (author) / GAO BAOJIE (author) / LUO XIANGPING (author) / TIAN SHIQIAO (author) / XIAO CHUNYU (author)

    Publication date :

    2021-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen



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