A positioning system and method for a maglev train, the positioning system comprising an onboard magnet (1) mounted at the bottom of a train, two grating arrays laid on train tracks side by side in the traveling direction of the train, an optical pulse generation module (4) and a data processing module (5); the two grating arrays each comprises a plurality of groups of magnetic induction gratings; in the first grating array (2), the central wavelengths of the same group of magnetic induction gratings are the same and the central wavelengths of different groups of magnetic induction gratings are different; in the second grating array (3), the central wavelengths of the same group of magnetic induction gratings are different and the central wavelengths of the gratings at the same arrangement position in different groups of magnetic induction gratings are the same; the first grating in each group of magnetic induction gratings is used as a marking grating. The data processing module (5) performs first-stage train positioning according to drift conditions of the center wavelengths of the marking gratings, performs second-stage train positioning according to drift conditions of the center wavelengths of the first grating array (2), and performs third-stage train positioning according to drift conditions of the central wavelengths of the second grating array (3), so as to determine the track positions where the train arrives step by step. The positions where the train arrives can be finally accurately determined by means of three-stage positioning, and the positioning precision is high.


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    Title :

    POSITIONING SYSTEM AND METHOD FOR MAGLEV TRAIN


    Additional title:

    POSITIONIERSYSTEM UND VERFAHREN FÜR MAGNETSCHWEBEFAHRZEUGE
    SYSTÈME DE POSITIONNEMENT ET PROCÉDÉ POUR TRAIN À SUSTENTATION MAGNÉTIQUE


    Contributors:
    LIU XIANKAI (author) / WU DONGHUA (author) / FU SHANQIANG (author) / XIAO SHI (author) / TANG KAIYI (author) / ZHANG ZHIQIANG (author)

    Publication date :

    2025-01-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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