Segmented brake pipe train control system and related method

B - Operations – Transporting – 60 – T

Patent

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Details

B60T 13/66 (2006.01) B60L 15/32 (2006.01)

Patent

CA 2323200

A train control system is for a train comprising at least first and second train segments including a brake pipe being separated between adjacent train segments. The train control system preferably comprises a first control subsystem for installation in a locomotive of the first train segment and a second control subsystem for installation in a locomotive of the second train segment. The first and second control subsystems communicate with one another for controlling train braking. The system also preferably includes a third control subsystem for installation in a railcar adjacent an end of the first train segment. This third control subsystem preferably includes at least one pressure transducer for sensing brake pipe pressure adjacent the end of the first train segment, and at least one control valve for controlling brake pipe pressure adjacent the end of the first train segment. The third control subsystem preferably also includes a processor for communicating a signal related to brake pipe pressure adjacent the end the first train segment to the second control subsystem, and for controlling brake pipe pressure adjacent the end of the first train segment responsive to a command from the second control subsystem. The second control subsystem and the third control subsystem preferably cooperate so that the brake pipe pressure adjacent the first train segment and a brake pipe pressure adjacent a front of the second train segment are substantially matching thereby emulating operation with a continuous brake pipe.

L'invention porte sur un système de commande d'un train, composé d'au moins deux rames, à circuit de freinage séparé pour chaque rame. Ledit système comporte de préférence un premier sous-système installé dans la locomotive de la première rame et un deuxième sous-système installé dans la locomotive de la deuxième rame. Le premier, et le deuxième sous-système communiquent pour assurer le freinage. Le système comporte de préférence un troisième sous-système installé dans la voiture de queue de la première rame et comportant de préférence: au moins un transducteur de pression mesurant la pression du circuit de freinage en queue de première rame, et au moins une vanne régulant la pression de ce circuit et un processeur communicant un signal fonction de la pression mesurée en queue de première rame au deuxième sous-système de commande et régulant la pression du circuit de freinage en queue de première rame en réponse à un ordre du deuxième sous-système de commande. Le deuxième, et le troisième sous-système de commande coopèrent pour rendre sensiblement égales la pression du circuit de freinage en queue de première rame et la pression du circuit de freinage en tête de deuxième rame, d'où un fonctionnement sensiblement équivalent à un circuit de freinage continu.

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