System for distributed automatic train supervision and control

Details System for distributed automatic train supervision and control System for distributed automatic train supervision and control

1998-08-14

2000-03-07

Le, Mark T.

Railway switches and signals

Train dispatching

Central signal control

246167R, B61L 2700

Patent

active

06032905&

ABSTRACT:
A system for supervising and controlling the movement of a railway vehicle is provided, wherein a plurality of wayside controller units are each distributed to a plurality of wayside controller locations by a multi-access carrier, such as a fiber LAN or IEEE 802.3 Ethernet, for instance, such that supervisory and control operations may be communicated between each of the wayside controller units with a multi-access protocol on the multi-access carrier. The present invention replaces the use of a serial-link protocol for point-to-point communication with a multi-access protocol on a multi-access carrier. In a preferred embodiment, a computer-based control system may be connected through the multi-access carrier, so that communication is achieved solely with multi-access protocols. Related art Centralized traffic control (CTC) functions may be eliminated from a global services (GS) block of the central office (CO) and implemented as Distributed Traffic Control functions that are distributed to the wayside controller units.

REFERENCES:
patent: 2567887 (1951-09-01), McCann
patent: 5332180 (1994-07-01), Peterson et al.
patent: 5398894 (1995-03-01), Pascoe
patent: 5533695 (1996-07-01), Heggestad et al.
patent: 5950966 (1999-09-01), Hungate et al.

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