| 摘要 |
PCT No. PCT/AU95/00391 Sec. 371 Date Dec. 27, 1996 Sec. 102(e) Date Dec. 27, 1996 PCT Filed Jun. 29, 1995 PCT Pub. No. WO96/00844 PCT Pub. Date Jan. 11, 1996A method of controlling the idle speed of an internal combustion engine of a vehicle from a first idle speed to a second idle speed that is higher than the first idle speed in response to a driver originating indication that is independent of the acceleration control of the vehicle. The higher second idle speed is set to achieve a desired level of vehicle creep. When the driver originating indication indicates that vehicle motion is no longer desired, the engine idle speed is returned to the first lower idle speed. The change between the first lower idle speed and the second higher idle speed can be accomplished in a stepping or ramping fashion. In addition, the first and second idle speeds are adjusted in response to changes in engine operating parameters such as engine coolant temperature, changes in engine load, and vehicle speed. Tilt indication means are used to determine the inclination of the vehicle and adjust the idle speed of the vehicle to achieve the desired vehicle creep when the vehicle is on an incline. |
