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    • 7. 发明授权
    • Fuel supply control system for internal combustion engine
    • 内燃机燃油供应控制系统
    • US06834645B2
    • 2004-12-28
    • US10290394
    • 2002-11-08
    • Osamu TakizawaYuji Yasui
    • Osamu TakizawaYuji Yasui
    • F02D4100
    • F02D41/182F02D41/1456F02D41/2454F02D41/2474F02D41/2477F02D41/2483F02M26/48F02M26/53
    • A fuel supply control system for an internal combustion engine wherein a basic fuel amount supplied to said engine can be calculated according to the intake air flow rate detected by said intake air flow rate sensor. An air-fuel ratio correction coefficient can be calculated for correcting an amount of fuel to be supplied to the engine so that the detected air-fuel ratio coincides with a target air-fuel ratio. At least one correlation parameter vector which defines a correlation between the air-fuel ratio correction coefficient and the intake air flow rate detected by the intake air flow sensor, can be calculated using a sequential statistical processing algorithm. A learning correction coefficient relating to a change in characteristics of the intake air flow rate sensor can be calculated using the correlation parameter. An amount fuel to be supplied to the engine can be controlled using the basic fuel amount, the air-fuel ratio correction coefficient, and the learning correction coefficient.
    • 一种用于内燃机的燃料供应控制系统,其中可以根据由所述进气流量传感器检测的进气流量来计算供应给所述发动机的基本燃料量。 可以计算空燃比校正系数,以校正要供给到发动机的燃料量,使得检测到的空燃比与目标空燃比一致。 可以使用连续统计处理算法来计算定义空气 - 燃料比校正系数和由进气流量传感器检测到的进气流量之间的相关性的至少一个相关参数矢量。 可以使用相关参数来计算与进气流量传感器的特性变化有关的学习校正系数。 可以使用基本燃料量,空燃比校正系数和学习校正系数来控制向发动机供给的燃料量。