Device for controlling hybrid vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorToshio Inoue
Life of this patent
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Abstract
A control device of a hybrid vehicle including an engine, an electric motor coupled to a power transmission path between the engine and drive wheels, and a clutch connecting/disconnecting a power transmission path between the engine and both the electric motor and the drive wheels, the control device performing detection of air-fuel ratio variation between cylinders of the engine, the control device changing an operation state of the clutch based on a request drive force of the vehicle, and the control device performing the detection of air-fuel ratio variation when the clutch is in an open state or a slip amount of the clutch is equal to or larger than a preset value.
Claims4
A control device of a hybrid vehicle including an engine, an electric motor disposed on a first power transmission path between the engine and drive wheels, and a clutch connecting/disconnecting a second power transmission path between the engine and the electric motor, the second power transmission path being part of the first power transmission path, the control device performing detection of air-fuel ratio variation between cylinders of the engine,
- the control device changing an operation state of the clutch based on a request drive force of the vehicle,
- the control device performing the detection of air-fuel ratio variation when the clutch is in an open state or a slip amount of the clutch is equal to or larger than a preset value during running of the vehicle, and
- the preset value being a value not allowing a disturbance input from the drive wheels and a disturbance due to resonant vibration of a drive system to affect a detection accuracy of the detection of air-fuel ratio variation.
Dependencies are inferred from the claim text.