METHOD AND SYSTEM FOR CONTROLLING HYBRID VEHICLE

摘要

Disclosed herein is a method and system for controlling a hybrid vehicle that can run a hybrid vehicle while preventing an engine stall when an engine clutch which controls power transmission between an engine and a motor is in a stuck-breakdown condition. The method of controlling a hybrid vehicle, which includes an engine clutch controlling power transmission between an engine and a motor, and a transmission clutch connecting the motor and an input shaft of a transmission, includes: determining whether the engine clutch is in a stuck-breakdown condition, and controlling the engine and the transmission clutch to maintain speed of the engine above a predetermined target idle RPM according to demand torque of the hybrid vehicle when the engine clutch is in a stuck-breakdown condition.

主权项

1. A method of controlling a hybrid vehicle which includes an engine clutch controlling power transmission between an engine and a motor, and a transmission clutch connecting the motor and an input shaft of a transmission, the method comprising:
determining, by a control unit, whether the engine clutch is in a stuck-breakdown condition; and controlling, by the control unit, the engine and the transmission clutch to maintain speed of the engine above a predetermined target idle RPM according to demand torque of the hybrid vehicle when the engine clutch is in the stuck-breakdown condition.