| 摘要 |
The present invention relates to an engine control method of a hybrid vehicle, and comprises the steps of: determining one driving mode among EV, power split, and parallel, corresponding to a request of a driver; recognizing and determining whether an engine stop mode is needed during the driving mode; stopping the engine; Kill TQ controlling the engine rotating speed by means of a motor and reducing the speed to 0 rpm. The Kill TQ of MG1 reduces the engine rotating speed to a lower rpm than an existing technology can reduce, thereby expecting a rapid mode change. Since the inertia of the engine can be offset when the engine stops, the present invention can Kill TQ control the engine rotating speed to a lower rpm compared to the existing technology. The present invention generates a friction offsetting TQ and reduces the inertia of the engine, such that an impact applied to OWC can be alleviated, thereby expecting the improvement of durability of a system. The control to reduce the inertia of the engine can alleviate an impact applied to OWC and prevent a driver from feeling the impact, thereby improving driver satisfaction. |
