System and method for starting control of hybrid vehicle
AssigneesKia Motors Corporation, Hyundai Motor Company
InventorSeunggil Choi
Life of this patent
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Abstract
The present invention relates to a system and a method for starting control of a hybrid vehicle which secures robust drivability when the hybrid vehicle starts. A method for starting control of a hybrid vehicle according to another aspect of the present invention may include: deciding a target torque according to starting demand; analyzing an engaging state of a clutch; calculating a clutch slip torque in a case that the clutch slips; requesting correction of an engine output torque according to the clutch slip torque; and correcting the engine output torque through control of air amount and feedback control of ignition timing according to the correction request of the engine output torque.
Claims5
A system for starting control of a hybrid vehicle which comprises an engine and a motor being power sources, a clutch connecting or disconnecting power delivery, and a clutch control unit controlling an operation of the clutch, the system comprising:
- a hybrid control unit controlling a clutch slip according to a starting demand, calculating a clutch slip torque, and requesting correction of an engine output torque;
- and
- an engine control unit controlling an engine speed to follow a target engine speed through a control of air amount and feedback control of ignition timing according to the correction request of the engine output torque received from the hybrid control unit.
A method for starting control of a hybrid vehicle, comprising:
- deciding a target torque according to starting demand;
- analyzing an engaging state of a clutch;
- calculating a clutch slip torque in a case that the clutch slips;
- requesting correction of an engine output torque according to the clutch slip torque;
- and
- correcting the engine output torque through control of air amount and feedback control of ignition timing according to the correction request of the engine output torque.
Dependencies are inferred from the claim text.