Rail vision system

B - Operations – Transporting – 61 – L

Patent

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Details

B61L 15/00 (2006.01) B61L 3/00 (2006.01) B61L 23/00 (2006.01) B61L 29/00 (2006.01)

Patent

CA 2226435

A rail vision system visually reads signal aspect information from each wayside signal device of a wayside signaling system. It also warn a train operator of the more restrictive signal aspects and imposes a penalty brake application should the train operator fail to acknowledge the warning. Each wayside signal device communicates from a railway operating authority information including directions as to how the train should proceed along the upcoming segment of railway track. The rail vision system includes a signal locating system and a rail navigation system. The signal locating system isolates visually the upcoming wayside signal device and reads the information therefrom as the train approaches thereto. The rail navigation system determines the position that the train occupies on the railway track and provides the signal locating system with data as to the whereabouts of the upcoming wayside signal device relative to the position of the train. This enables the signal locating system to isolate visually the upcoming wayside signal device and to provide the information read therefrom to the rail navigation system. The rail navigation system can then warn the train operator of the more restrictive signal aspects, and should the train operator fail to acknowledge the warning, impose a penalty brake application.

Cette invention concerne un système de vision ferroviaire adapté pour reconnaître l'aspect d'un signal de bordure de voie. Ce système avertit également le mécanicien de la détection d'aspects de signaux plus contraignants et commande l'application automatique des freins en cas d'absence de réaction appropriée de celui-ci. Chaque signal de bordure de voie relaie les consignes de marche du central de régulation pour le tronçon de voie abordé par le train. Le système de vision comporte un système de localisation du signal et un système de navigation ferroviaire. Le système de localisation du signal permet repérer visuellement le signal et d'en reconnaître à distance l'aspect pour en informer le mécanicien. Le système de navigation ferroviaire détermine la position du train dans le réseau et fournit au système de localisation des données quant à la distance de séparation entre le train et le prochain signal en bordure de voie. Cela permet au système de localisation de repérer à distance ledit signal, de reconnaître à temps son aspect et de fournir l'information au système de navigation en temps utile. Celui-ci peut alors avertir le mécanicien de la détection d'aspects de signaux plus contraignants et commander l'application automatique des freins en cas de non respect des consignes.

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