Hybrid electric vehicle and method of driving control for same
AssigneesHyundai Motor Company, Kia Corporation
InventorJae Young Choi
Life of this patent
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Abstract
The present disclosure relates to a hybrid electric vehicle and a method of driving control for the same. The method of controlling the hybrid electric vehicle includes determining whether the hybrid electric vehicle enters an engine clutch lock-up section, determining, in a case where the hybrid electric vehicle enters the engine clutch lock-up section, whether difference in speed between a first motor and a second motor is above a predetermined threshold, and controlling of torque of the first motor according to a comparison result obtained from comparing the speed of the first motor and the speed of the second motor with each other.
Claims12
A method of controlling a hybrid electric vehicle, the method comprising:
- determining, by a controller, whether the hybrid electric vehicle enters an engine clutch lock-up section;
- determining, by the controller based on the hybrid electric vehicle entering the engine clutch lock-up section, whether difference in speed between a first motor and a second motor is above a predetermined threshold;
- and
- controlling, by the controller based on the difference in speed being above the predetermined threshold, a torque of the first motor according to a comparison result obtained from comparing the speed of the first motor to the speed of the second motor,
- wherein the controlling of the torque of the first motor according to the comparison result comprises:
- increasing the torque of the first motor based on a speed of the first motor being lower than a speed of the second motor.
A hybrid electric vehicle comprising:
- an engine;
- a first motor directly connected to the engine;
- a second motor configured to be connected to the first motor in a specific driving mode that uses driving force of the engine;
- an engine clutch configured to selectively connect the engine to the second motor;
- and
- a controller configured to determine whether the hybrid electric vehicle enters an engine clutch lock-up section, determine whether difference in speed between the first motor and the second motor is above a predetermined threshold in a case where the hybrid electric vehicle enters the engine clutch lock-up section, and control a torque of the first motor according to a comparison result obtained from comparing speeds of the first motor and the second motor with each other,
- wherein the controller is configured to increase the torque of the first motor in a case where the speed of the first motor is lower than the speed of the second motor.
Dependencies are inferred from the claim text.