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    • 3. 发明公开
    • APPARATUS FOR CONTROLLING INTERNAL COMBUSTION ENGINE
    • 控制内燃机的装置
    • EP2657491A1
    • 2013-10-30
    • EP10857092.0
    • 2010-12-24
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • ASO, KojiTANAKA, Hiroshi
    • F02D41/06F02D17/02F02D45/00
    • F02D41/00F02D17/02F02D41/0025F02D41/0087F02D41/062F02D41/1459F02D41/1497F02D2200/021F02D2200/0611F02D2200/101
    • An object of this invention is to provide a control apparatus for an internal combustion engine that can suppress the emission of unburned HC accompanying start-up of an internal combustion engine. The control apparatus for an internal combustion engine of this invention includes: fuel supply control means that, when a multi-cylinder internal combustion engine is started, initially supplies fuel to only some cylinders, and delays the start of fuel supply to delayed cylinders that are cylinders other than the aforementioned cylinders; engine discharge gas HC amount predicting means that, based on predetermined parameters including at least a representative temperature of the internal combustion engine, calculates a relationship between a delayed cylinder starting engine speed that is a engine speed at a timing at which a cycle starts in which a delayed cylinder initially carries out combustion and a predicted value of an engine discharge gas HC amount; and target engine speed calculating means that, based on the relationship, calculates a target engine speed that is a target value of the delayed cylinder starting engine speed; wherein the fuel supply control means determines a timing at which to start to supply fuel to the delayed cylinders so that the delayed cylinder starting engine speed is in a vicinity of the target engine speed.
    • 本发明的目的在于提供一种内燃机的控制装置,该内燃机的控制装置能够抑制伴随着内燃机起动的未燃HC的排出。 本发明的内燃机的控制装置具备:燃料供给控制单元,在多气缸内燃机起动时,仅向一部分气缸开始供给燃料,将燃料供给开始延迟至延迟的 除了上述气缸之外的气缸; 发动机排出气体HC量预测单元,基于至少包含内燃机的代表温度的规定参数,算出作为周期开始时刻的发动机转速的延迟后的气缸开始转速, 延迟的气缸最初执行燃烧和发动机排出气体HC量的预测值; 以及目标发动机转速计算单元,基于该关系,计算作为延迟后的气缸起动转速的目标值的目标发动机转速; 其中,所述燃料供应控制装置确定开始向所述延迟汽缸供应燃料的时刻,以使得所述延迟汽缸起动发动机速度处于所述目标发动机速度附近。