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|Título||Dedicated smart IR barrier for obstacle detection in railways|
|Tipo de publicación||Conference Paper|
|Año de publicación||2005|
|Autores||Garcia, J. J., C. Losada, F. Espinosa, J. Ureña, Á. Hernández, M. Mazo, C. de Marziani, A. Jimenez, E. Bueno, and F. J. Álvarez|
|Idioma de publicación||English|
|Conference Name||31st Annual Conference of IEEE Industrial Electronics Society, 2005. IECON 2005.|
|Páginas||439 - 444|
|Fecha de publicación||11/2005|
|Palabras clave||infrared detectors, intelligent sensors, railways, reliability|
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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