The invention discloses a locomotive positioning method and system. The locomotive positioning method comprises the following steps: determining the state of current positioning environment; when an LKJ is in the monitoring state and satellite signal is available, obtaining the position data of the LKJ and the position data of a GPS/BD, wherein the LKJ positioning manner is used as the main manner, and the GPS positioning assists to rectify deflected positions; when the LKJ is in the monitoring state and no satellite signal is available, obtaining the position data of the LKJ, wherein positioning is performed by the LKJ manner; when the LKJ is in the non-monitoring state and satellite signal is available, obtaining the continuous preset number of GPS coordinate data of a locomotive, and the locomotive is positioned according to the GPS coordinate data; and when the LKJ is in the non-monitoring state and no satellite signal is available, positioning the locomotive by adopting a speed-measurement positioning method and a dead reckoning method. An LKJ positioning method and a GPS positioning method are combined, so that the problem that the locomotive cannot be accurately positioned in a whole journey is solved, and the locomotive positioning method is continuous in positioning, and high in positioning precision.


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    Title :

    Locomotive positioning method and system


    Contributors:
    OU SHENGFEN (author) / WU JUNLIANG (author) / YANG YIBIN (author) / TANG GUOPING (author) / YE LIHUI (author) / ZHU YONGJIA (author) / ZENG CHUIZHOU (author) / LONG WEIHUA (author) / HE JIANKUN (author) / DENG GUOZHI (author)

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01S RADIO DIRECTION-FINDING , Funkpeilung



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