Patent ID: 6291902
Filing Date: 2001-09-18
Classification: B60K,B60L,B60W,F02N,Y02T,Y10S

Abstract:
An engine control system comprising:an engine for a vehicle;a motor/generator having a drive mode for driving the engine to start the engine and a power generation mode for converting mechanical energy from the engine into electric energy;a first input device for producing a vehicle start command signal;a second input device for determining an engine revolution speed of the engine; anda controller for starting an engine cranking operation to start the engine by operating the motor/generator in the drive mode in response to the start command signal, for measuring a time from a start of the engine cranking operation until the engine speed reaches a predetermined engine speed value, for calculating an electric power generation quantity in accordance with the time, and for controlling the power generation of the motor/generator in accordance with the power generation quantity after the arrival of the engine speed at the predetermined engine speed value.