METHOD AND SYSTEM FOR CONTROLLING A POWER UNIT WITH POWER BYPASS

摘要

The invention relates to a method for controlling a hybrid power unit (21) with power bypass for an automobile comprising at least two driving wheels (3a, 3b), wherein the power unit (21) includes a thermal engine (1), at least two electric machines (2a, 2b), and an infinitely variable transmission (5) mechanically connecting the thermal engine (1) the two electric machines (2a, 2b) and the driving wheels (3a, 3b). In said method, the initially stopped thermal engine (1) is brought, in an independent manner and in several operation phases, to a rotation speed that is sufficient for participating in the propulsion of the vehicle, said vehicle moving under the action of the electric machines (2a, 2b).