Apparatus for controlling hybrid vehicle

Details Apparatus for controlling hybrid vehicle Apparatus for controlling hybrid vehicle

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 29/06 (2006.01) B60L 11/14 (2006.01) F02D 29/02 (2006.01) B60K 6/04 (2006.01)

Patent

CA 2297007

An apparatus for controlling a hybrid vehicle having an internal combustion engine and an electric motor as driving sources for the vehicle, in which when it is detected that an air-fuel ratio of a supply air-fuel mixture to the engine changed to the lean side value (S44 - S46), the electric motor (2) is made operative as a motor in order to assist an output of the engine just after the detection (S47, S48). When it is detected that the air-fuel ratio of the supply air-fuel mixture changed to the rich side value (S44, S52, S53), the electric motor (2) is made operative as a generator for the purpose of the regeneration braking just after the detection (S54, S55). An output torque difference of the engine, therefore, when the air-fuel ratio of the supply air-fuel mixture changes can be sufficiently compensated without a time delay.

L'invention concerne un dispositif de commande de véhicule à entraînement hybride, qui comporte un moteur à combustion interne et un moteur à génération d'énergie comme source d'entraînement du véhicule. Immédiatement après détection d'un appauvrissement (S44 à S46) du rapport air/carburant de mélange air/carburant fourni au moteur, le moteur (2) à génération d'énergie est activé comme moteur (S47, S48) pour assister une sortie du moteur; et immédiatement après détection d'un enrichissement (S44, S52, S53) du rapport air/carburant du mélange air/carburant fourni au moteur, le moteur (2) à génération d'énergie est activé comme générateur (S54, S55) pour appliquer au moteur un freinage par récupération, ce qui permet de compenser suffisamment et sans retard une différence de couple de sortie du moteur produite lors de variations du rapport air/carburant du mélange air/carburant.

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