Railway switches and signals – Train dispatching – Central signal control
Patent
1993-02-09
1995-08-01
Huppert, Michael S.
Railway switches and signals
Train dispatching
Central signal control
246182R, 246187A, B61L 2704
Patent
active
054374227
ABSTRACT:
A railway signalling system comprising a control device for controlling the movements of railway vehicles on a railway track. The system includes a memory for storing data defining physical characteristics of the railway track and the locations of the vehicles, a first processor for processing the data stored in the memory to determine permissible movements of the vehicles, and a first interface for transmitting to the vehicles movement data defining the vehicles' permissible movements; and a protection unit carried by at least one of the vehicles for causing the vehicle to move under the control of the control device, comprising a second interface receiving the movement data relating to the vehicle, a second memory for storing geographical data defining physical characteristics of the railway track, a second processor for processing the movement data in dependence on the geographical data to determine an operating speed for the vehicle, and an operation unit for controlling the travel of the vehicle at the determined operating speed.
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patent: 4863123 (1989-09-01), Bernard et al.
patent: 4974259 (1990-11-01), Takahashi et al.
patent: 5129605 (1992-07-01), Burns et al.
Huppert Michael S.
Lowe Scott L.
Westinghouse Brake and Signal Holdings Limited
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