| 摘要 |
The invention relates to a method for controlling the startup of the heat engine (3) of a hybrid engine power train, comprising a heat engine (3) and an electrical drive machine (7), two concentric main shafts (1, 6) coupled to the heat engine (3) and to the electrical machine (7), respectively, at least one step-down gear (8, 9) of each main shaft (1, 6) on a secondary shaft (10) connected to the wheels of the vehicle, and a means (5) for coupling the two main shafts (1, 6), characterized in that said method comprises the following steps: coupling the two main shafts; inhibiting the fuel injection of the heat engine; launching the heat engine by means of the electrical machine; synchronizing the speed of the heat engine and of the electrical machine without injecting fuel; activating the fuel injection; and turning off the electrical machine and uncoupling the two main shafts. |
