Method and system for determining the torque required to...

Details Method and system for determining the torque required to... Method and system for determining the torque required to...

B - Operations, Transporting

60

W

B60W 20/00 (2006.01) B60K 6/48 (2007.10) B60W 10/06 (2006.01) B60W 10/08 (2006.01) B60W 10/30 (2006.01)

Patent

CA 2507052

A method and system are provided for determining the torque required to launch a vehicle having a hybrid drive-train that includes at leat two independently operable prime movers. The method includes the steps of determining the value of at least one control parameter indicative of a vehicle operating condition, determining the torque required to launch the vehicle from the at least one determined control parameter, comparing the torque available from the prime movers to the torque required to launch the vehicle, and controlling operation to the prime movers to launch the vehicle in response to the comparing step. The system of the present invention includes a control unit configured to perform the steps of the method outlined above.

L'invention concerne un procédé et un système permettant de déterminer le couple nécessaire pour lancer un véhicule ayant une transmission hybride comportant au moins deux éléments moteurs pouvant fonctionner de manière indépendante. Le procédé consiste notamment à déterminer la valeur d'au moins un paramètre de commande indicatif de l'état de fonctionnement d'un véhicule, à déterminer le couple nécessaire pour lancer le véhicule à partir du paramètre de commande déterminé, à comparer le couple disponible des éléments moteurs au couple nécessaire pour lancer le véhicule, et à commander le fonctionnement des éléments moteurs pour lancer le véhicule en réponse aux résultats de la comparaison. Le système selon l'invention comporte une unité de commande conçue pour exécuter les étapes du procédé décrit ci-dessus.

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