Hybrid vehicle and a method of controlling torque fluctuations thereof
AssigneesHyundai Motor Company, Kia Corporation
InventorsKey Chun Park, Tae Hyun Lee
Life of this patent
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Abstract
A hybrid vehicle and a method for controlling torque fluctuations. The hybrid vehicle includes a controller configured to determine engine torque fluctuations in a transient state in which an operating point of the engine changes based on an inertial torque generated by rotational inertia during the operation of the engine and a pressure torque caused by pressure generated during combustion of fuel in the engine. The controller is configured to apply a counter torque command to the motor to offset the engine torque fluctuations.
Claims20
A hybrid vehicle including:
- an engine;
- a motor directly connected to the engine and configured to rotate together with the engine;
- and
- a controller configured to:
- determine engine torque fluctuations in a transient state in which an operating point of the engine changes based on an inertial torque generated by rotational inertia during an operation of the engine and a pressure torque caused by pressure generated during fuel combustion in the engine, and
- apply a counter torque command to the motor to offset the engine torque fluctuations.
A method of controlling torque fluctuations of a hybrid vehicle including an engine and a motor directly connected to and rotating with the engine, the method comprising:
- determining engine torque fluctuations in a transient state in which an operating point of the engine changes based on an inertial torque generated by rotational inertia during an operation of the engine and a pressure torque caused by pressure generated during fuel combustion in the engine;
- and
- applying a counter torque command to the motor to offset the engine torque fluctuations.
Dependencies are inferred from the claim text.