The characteristic arrangement of track components such as rail clamps, switches, and the like, enables a train-borne location determination in railbound traffic. Sensors mounted on the vehicle measure signals of the rail track. These sensor signals are then compared with reference signals stored in a digital rail map by using correlation techniques. A model-based approach is presented to generate these reference signals. Moreover, the correlation methodology is extended by considering nonlinear distortions of the recorded signals, leading thus to a significantly higher robustness of the method. The performance of the proposed approach is demonstrated based on the detection of rail clamps as well as the identification of track sections and switches.


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    Title :

    Model-based track sensing for location of rail vehicles


    Additional title:

    Modell-basierte Streckenabtastung zur Ortsbestimmung von Schienenfahrzeugen


    Contributors:


    Publication date :

    2008


    Size :

    15 Seiten, 9 Bilder, 10 Quellen




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Print


    Language :

    English




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