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    • 114. 发明申请
    • CONTROL UNIT AND CONTROL METHOD FOR TORQUE-DEMAND-TYPE INTERNAL COMBUSTION ENGINE
    • 用于扭矩型内燃机的控制单元和控制方法
    • WO2008114118A2
    • 2008-09-25
    • PCT/IB2008/000632
    • 2008-03-18
    • TOYOTA JIDOSHA KABUSHIKI KAISHAITO, Masahiro
    • ITO, Masahiro
    • F02D41/12
    • F02D41/123F02D37/02F02D41/126F02D2200/0411F02D2250/21F02P5/1504Y02T10/46
    • When a fuel-supply cutoff condition is satisfied ("YES" in S1010), an ECU executes a program including: calculating the target torque (S1020); detecting the engine speed NE (S1030); calculating the target KL based on the target torque, NE and MBT (S1040); controlling an engine using the throttle valve opening amount based on the target KL, the base fuel ignition timing, and the fuel injection amount based on the current KL until the target KL becomes equal to or lower than the KL lower limit ("NO" in S1050) (S1100); controlling the engine using the throttle valve opening amount based on the KL lower limit, NE, the target ignition timing calculated based on the current KL and the target torque, and the fuel injection amount based on the current KL when the target KL reaches the KL lower limit ("YES" in S1050) (S1170); and actually starting a fuel-supply cutoff when the target ignition timing reaches the retardation limit timing ("YES" in S1130) (S1180).
    • 当满足燃料供给切断条件(S1010中为“是”)时,ECU执行包括:计算目标转矩的程序(S1020); 检测发动机转速NE(S1030); 基于目标转矩NE和MBT计算目标KL(S1040); 基于目标KL,基本燃料点火正时和燃料喷射量,基于当前KL直到目标KL变得等于或低于KL下限(“NO” S1050)(S1100); 基于KL下限NE,基于当前KL计算的目标点火正时和目标转矩,使用节气门开度控制发动机,以及当目标KL达到KL时基于当前KL的燃料喷射量 下限(S1050中为“是”)(S1170)。 并且当目标点火正时达到延迟极限定时时实际上开始燃料供给切断(S1130中为“是”)(S1180)。