This work presents an intelligent system, which allows to detect obstacles in railways, based on optical emitters. The sensorial system is based on a barrier of emitters and another of receivers, placed each one of them at one side of the railway. Apart from the disposition of the sensorial system, a codification method of the emission is also presented in order to detect the reception or the non-reception of transmissions between an emitter and a receiver. Obstacle detection is carried out by the lack of the reception in the detectors. A solution is proposed to reduce the number of false alarms related to these systems, by taking advantage of the high redundancy in the measurements. A high reliability under adverse conditions is achieved with the developed system, being possible to detect the presence of obstacles, and to inform about their position.


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    Title :

    Dedicated smart IR barrier for obstacle detection in railways


    Contributors:
    Garcia, J.J. (author) / Losada, C. (author) / Espinosa, F. (author) / Urena, J. (author) / Hernandez, A. (author) / Mazo, M. (author) / Marziani, C. de (author) / Jimenez, A. (author) / Bueno, E. (author) / Alvarez, F. (author)


    Publication date :

    2005


    Size :

    6 Seiten, 14 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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