A method for monitoring and controlling locomotives

B - Operations – Transporting – 61 – C

Patent

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Details

B61C 11/00 (2006.01) B61C 3/00 (2006.01) B61C 13/00 (2006.01)

Patent

CA 2537037

The present invention is directed to a locomotive comprising energy storage units such as batteries, a prime energy source (1001), such as a diesel engine, and an energy conversion device (1002), such as a generator. The locomotive comprises one or more of the following features: a separate chopper circuit (1010) for each traction motor (1008); energy storage units (1003) that can be switched from parallel to series electrical connections, a fluid- activated anti-lock brake system (1009), a controller (1015) operable to control separately and independently each axle(1006)/traction motor (1008), and a controller (1051) operable to control automatically a speed of the locomotive. The present invention includes an integrated system for monitoring, controlling and optimizing an electrically powered locomotive using a combination of sensors and software to provide feedback that optimizes power train efficiency and individual drive axle (1006) performance for a locomotive that utilizes one of several possible electrical energy storage systems to provide the tractive power. The net result is a locomotive that has an integrated system of control over all aspects of the locomotive power train including control over individual drive axles (1006), especially during acceleration, braking and non-synchronous wheel slip.

L'invention porte sur une locomotive comportant: des unités de stockage d'énergie telles que des batteries; une source d'énergie primaire (1001) telle qu'un moteur diesel; un appareil de conversion d'énergie tel qu'un générateur (1002), et en outre un ou plusieurs des équipements suivants: un circuit de hachage (1010) pour chacun des moteurs de traction (1008); des unités (1003) de stockage d'énergie pouvant être montées en parallèle ou en série; un système hydraulique d'antiblocage (1009) des freins; une commande (1015) séparée et indépendante pour chacun des essieux (1006)/moteurs de traction (1008); un régulateur automatique (1051) de la vitesse de la locomotive. L'invention porte également sur un système intégré de contrôle, commande et optimisation d'une locomotive électrique comprenant.. un ensemble de détecteurs et de logiciels à rétroaction permettant d'optimiser le rendement des groupes de traction et les performances individuelles des essieux (1006), et recourant à l'un des différents systèmes électriques possibles de stockage d'énergie électrique pour fournir l'énergie de traction. Il en résulte un système intégré de commande de tous les aspects des groupes moteurs, dont la commande individuelle des essieux moteurs (1006) notamment pendant l'accélération, le freinage et du patinage non synchrone des roues.

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