公开(公告)号：US20040112336A1

公开(公告)日：2004-06-17

申请号：US10248076

申请日：2002-12-16

Applicant: FORD GLOBAL TECHNOLOGIES, INC.

Inventor： Edward Badillo ,  Ace K. Kue

IPC: F02P005/15 ,  B60K041/04

CPC classification number: F02D41/10 ,  F02D41/022 ,  F02D41/023 ,  F02D41/045 ,  F02D2200/0406 ,  F02D2200/1012 ,  F02D2200/602 ,  F02D2250/21 ,  F02D2250/22 ,  F02D2250/28 ,  F02P5/1504 ,  F02P5/1506 ,  Y02T10/46 ,  Y10T477/67

Abstract: A method and system for controlling engine speed during a vehicle launch (from a rest condition to a moving condition), such vehicle having the engine is coupled to an automatic shifting manual transmission. The method comprises determining a spark timing offset based on one or more of engine speed, a time rate of engine speed, relative air charge, engine coolant temperature, accelerator pedal position, and a time rate of change of accelerator pedal position. A new spark timing is determined as the base spark timing minus the spark timing offset. By adjusting spark timing based primarily on a time rate of change of engine speed, engine speed fluctuations arising during a clutch engagement associated with vehicle launch are largely attenuated.

Abstract translation: 一种用于在车辆发射期间（从静止状态到移动状态）控制发动机速度的方法和系统，具有发动机的这种车辆联接到自动换档手动变速器。 该方法包括基于发动机速度，发动机转速，相对空气充量，发动机冷却剂温度，加速踏板位置以及加速器踏板位置变化的时间速率中的一个或多个来确定火花正时偏移。 新的火花定时被确定为基准火花正时减去火花正时偏移。 通过基于发动机转速的时间变化率来调整火花正时，在与车辆发射相关联的离合器接合期间发生的发动机速度波动被大大衰减。