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    • 1. 发明申请
    • 内燃機関の吸入空気量制御装置
    • 采用内燃机的空气控制器
    • WO2005003534A1
    • 2005-01-13
    • PCT/JP2004/007353
    • 2004-05-28
    • 本田技研工業株式会社安井 裕司米川 明之
    • 安井 裕司米川 明之
    • F02D13/02
    • F02D13/0207F01L1/08F01L1/18F01L1/181F01L13/0047F01L2800/00F02B27/0263F02D41/0002F02D41/0085F02D41/1401F02D41/18F02D2041/001F02D2041/1416F02D2041/1437F02D2200/0402G05B13/04Y02T10/146Y02T10/18Y02T10/42
    • An intake air volume controller of an internal combustion engine in which variation in the intake air volume can be corrected appropriately among cylinders and both operability and exhaust gas characteristics can be enhanced even in a normal operating load area including a high load area. The ECU (2) in the intake air volume controller (1) of an internal combustion engine (3) controlling the intake air volume of four cylinders #1-#4 independently through a variable phase mechanism (80) between intake cams identifies an intake air volume variation coefficient (Phi#i) such that an estimated value (Gth_est) matches a TH passing intake air volume (Gth) based on a model [formula (43)] defining the relation of the estimated value (Gth_est) of TH passing intake air volume and a plurality of simulation values (Gcyl_0S#i), calculates, for each cylinder, a target phase between intake cams (thetassi#i_cmd) depending on the identified intake air volume variation coefficient (Phi#i) (step 81), and calculates control inputs (DUTY_ssi#2-#4) to the variable phase mechanism (80) between intake cams depending on the target phase between intake cams (thetassi#i_cmd) (step 75).
    • 即使在包括高负载区域的正常操作负载区域中,也能够提高能够在气缸之间适当地校正进气量的变化并且兼具可操作性和排气特性的内燃机的进气量控制装置。 通过进气凸轮之间的可变相位机构(80)独立地控制四个气缸#1-#4的进气体积的内燃机(3)的进气量控制器(1)中的ECU(2) 空气量变化系数(Phi#i),使得估计值(Gth_est)基于限定通过的TH的估计值(Gth_est)的关系的模型[公式(43)]与TH通过进气量(Gth)相匹配 进气量和多个模拟值(Gcyl_0S#i)根据所识别的进气量变化系数(Phi#i),计算每个气缸的进气凸轮之间的目标相位(台数#i_cmd)(步骤81) ,并且根据进气凸轮(目标#i_cmd)之间的目标相位计算控制输入(DUTY_ssi#2-#4)到进气凸轮之间的可变相位机构(80)(步骤75)。