Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Railway vehicle
Patent
1997-07-22
1999-11-02
Nguyen, Tan
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Railway vehicle
701 20, 246167R, 340937, B61L 300, B61L 2900
Patent
active
059787180
ABSTRACT:
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.
REFERENCES:
patent: 5415369 (1995-05-01), Hungate
patent: 5452870 (1995-09-01), Heggestad
patent: 5620155 (1997-04-01), Michalek
patent: 5699986 (1997-12-01), Welk
Nguyen Tan
Westinghouse Air Brake Company
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