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    • 1. 发明申请
    • AIR-FUEL RATIO CONTROL APPARATUS AND AIRE-FUEL RATIO CONTROL METHOD
    • 空气燃料比控制装置和空燃比控制方法
    • WO2008152487A2
    • 2008-12-18
    • PCT/IB2008/001519
    • 2008-06-13
    • TOYOTA JIDOSHA KABUSHIKI KAISHAIWAHASHI, KazuhiroMORITA, Hiroshi
    • IWAHASHI, KazuhiroMORITA, Hiroshi
    • F02D13/02
    • F02D13/023F01L13/0021F02D41/2416F02D41/2445F02D41/2454F02D2041/001Y02T10/18
    • An air-fuel ratio control apparatus includes a learning unit (S116) for learning amounts of divergence of a correction amount from a reference value thereof respectively as to a plurality of set lift amount regions as divergence amount learning values (GkIg, Gksm), a correction unit (S102, S104, SIlO5 S115) for calculating a divergence amount correction value and correcting a fuel injection amount command value, and a reflection unit (S210, S211, S314) for reflecting a learning result of the divergence amount learning value of a specific one of the plurality of the set lift amount regions on the divergence amount learning value of another one of the lift amount regions when there is a history indicating that the divergence amount learning value of the specific one of the lift amount regions has been learned and there is no history indicating that the divergence amount learning value of that another one of the lift amount regions has been learned.
    • 空燃比控制装置包括学习单元(S116),用于将校正量的发散量与其参考值分别学习多个设定提升量区域作为发散量学习值(GkIg,Gksm),a 用于计算发散量校正值和校正燃料喷射量指令值的校正单元(S102,S104,SI105 S115)以及用于反映发散量学习值的学习结果的反射单元(S210,S211,S314) 当存在指示已经学习了特定一个提升量区域的分歧量学习值的历史时,在提升量区域中的另一个提升量区域的发散量学习值上的多个设定提升量区域中的特定一个设置提升量区域; 没有历史表示已经获知另一个提升量区域的分歧量学习值。
    • 3. 发明公开
    • AIR TO FUEL RATIO CONTROL DEVICE
    • KRAFTSTOFF-LUFT-VERHÄLTNIS-STEUERVORRICHTUNG
    • EP2090768A1
    • 2009-08-19
    • EP07859773.9
    • 2007-12-11
    • Toyota Jidosha Kabushiki Kaisha
    • IWAHASHI, KazuhiroMORITA, Hiroshi
    • F02D41/04F02D9/02F02D13/02F02D41/14F02D43/00F02D45/00
    • An air-fuel ratio control device of an internal combustion engine is provided. The control device includes a learning section, a correction section, and an inhibiting section. When an execution condition is met, the learning section learns, as a deviation amount learned value, a constant deviation amount between a correction amount and its reference value in different manners between a case in which the lift amount of the intake valve is in a first lift amount region used only when the execution condition is not met and a case in which the lift amount is in a second lift amount region used only when the execution condition is met. The learning section computes and stores the relationship between the deviation amount and the lift amount based on the deviation amount learned value. A correction section computes the deviation amount correction value from the stored relationship based on the lift amount, and corrects the fuel injection amount command value using the deviation amount correction value. When there is no record of completing learning of the deviation amount when the lift amount is in the first lift amount region, an inhibiting section inhibits the lift amount from being shifted from the first lift amount region to other lift amount region.
    • 提供内燃机的空燃比控制装置。 控制装置包括学习部分,校正部分和禁止部分。 当满足执行条件时,学习部分以不同的方式学习校正量与其参考值之间的偏差量学习值之间的恒定偏差量,其中进气门的提升量处于第一 仅当不满足执行条件时使用的提升量区域以及仅当满足执行条件时提升量在第二提升量区域中的情况。 学习部根据偏差量学习值计算并存储偏差量与提升量的关系。 校正部根据提升量从所存储的关系计算偏差量校正值,并使用偏差量校正值来校正燃料喷射量指令值。 当升降量在第一提升量区域中没有完成学习偏差量的记录时,禁止部分禁止升降量从第一升程量区域移动到其他提升量区域。