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    • 11. 发明专利
    • Start controller of multi-cylinder internal combustion engine
    • 多缸内燃机起动控制器
    • JP2009047135A
    • 2009-03-05
    • JP2007216359
    • 2007-08-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D45/00F02D41/06F02D43/00
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To provide the start controller of a multi-cylinder internal combustion engine capable of quickly raising engine revolution speed at start to the standard speed. SOLUTION: When it is determined that an acquired engine revolution speed is lower than the standard speed at a determination time point (k=5) in an initial start period, the controller allows to inject the fuel of a second injection amount τ2 larger than a first injection amount τ1 after the determination time point. In a transitional period Tkt (5≤k COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够在开始时将发动机转速快速提高到标准速度的多气缸内燃机的启动控制器。 解决方案:当在初始开始时段中确定获取的发动机转速低于在确定时间点(k = 5)的标准速度时,控制器允许将第二喷射量τ2的燃料 大于确定时间点之后的第一喷射量τ1。 在其中设置根据第一喷射量τ1的量的燃料被设置用于燃烧的过渡时段Tkt(5≤k<8)中,在第二点火正时SA2点燃混合气体,这扩大了与图 第一点火正时SA1。 因此,与在第一点火时刻SA1点燃混合气体的情况相比,可以扩大所示的转矩。 因此,在过渡期内,发动机转速可以迅速提高到标准转速。 版权所有(C)2009,JPO&INPIT
    • 12. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2009002292A
    • 2009-01-08
    • JP2007165990
    • 2007-06-25
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATA KOTAUEDA KOICHI
    • F02D45/00F02D41/06F02D43/00F02P5/15
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a technology capable of quickly stabilizing the engine rotational speed by obtaining friction torque early in a control device for internal combustion engine.
      SOLUTION: The control device is equipped with an ignition timing operating means for performing at least one time of each of advancing and delaying the ignition timing compared with a reference value during a rotational speed transition period from when the internal combustion engine is started until when the engine rotational speed is transferred at a constant rotational speed, a friction torque estimation means for estimating the friction torque based on generated torque when the ignition timing is operated, a memory means for storing the friction torque which becomes a reference when the ignition timing is operated, and a correction amount calculation means for calculating a correction amount of the friction torque by comparing the friction torque estimated by the friction torque estimation means with the friction torque which becomes the reference stored in the memory means.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够通过在内燃机的控制装置中提前获得摩擦转矩来快速稳定发动机转速的技术。 解决方案:控制装置配备有点火正时操作装置,用于在从内燃机起动时的转速过渡时段期间执行与点火正时相比推进和延迟的至少一次时间 直到当发动机转速以恒定转速传递时,​​摩擦转矩估计装置用于当点火正时被操作时基于产生的转矩估计摩擦转矩;存储装置,用于存储当点火时成为基准的摩擦转矩 以及校正量计算装置,用于通过将由摩擦转矩估计装置估计的摩擦转矩与作为存储在存储装置中的参考的摩擦转矩进行比较来计算摩擦转矩的校正量。 版权所有(C)2009,JPO&INPIT
    • 13. 发明专利
    • Output correction device of air fuel ratio sensor for internal combustion engine
    • 用于内燃机的空气燃料比传感器的输出校正装置
    • JP2008261318A
    • 2008-10-30
    • JP2007106263
    • 2007-04-13
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D45/00F02D41/14
    • PROBLEM TO BE SOLVED: To provide a device capable of calculating a correction value for appropriately correcting an output of an air fuel ratio sensor in an internal combustion engine provided with the air fuel ratio sensor outputting a value corresponding to air fuel ratio of exhaust gas.
      SOLUTION: This device monitors change tendency of maximum torque ignition timing MBT provided by changing air fuel ratio (namely combustion speed S) in sequence using a tendency that the maximum torque ignition timing MBT on a curve indicating ignition timing - torque characteristics relation provided under a condition where combustion speed (namely air fuel ratio) is fixed moves to more retarded side as combustion speed S of fuel is larger. A case where the maximum torque ignition timing MBT is moved to the most retarded side is specified as a case where the combustion speed S gets to the maximum. Correction value for correcting output value of the air fuel ratio sensor is calculated based on a degree of difference between air fuel ratio detected in the case and air fuel ratio which is one in the case where the combustion speed S gets to the maximum and which is determined from properties of known fuel.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够计算修正值的装置,该装置能够适当地校正设置有空燃比传感器的内燃机中的空燃比传感器的输出,该内燃机输出与空燃比传感器的空燃比 废气 解决方案:该装置通过使用表示点火正时 - 转矩特性关系的曲线上的最大转矩点火正时MBT的趋势来依次监视通过改变空燃比(即燃烧速度S)而提供的最大转矩点火正时MBT的变化趋势 设置在燃烧速度(即空燃比)固定的条件下,随着燃料的燃烧速度S越大而向更延迟侧移动。 将最大转矩点火正时MBT移动到最大延迟侧的情况指定为燃烧速度S达到最大的情况。 基于在该情况下检测到的空燃比与在燃烧速度S达到最大的情况下为1的空燃比之间的差异的程度来计算用于校正空燃比传感器的输出值的校正值, 由已知燃料的性质决定。 版权所有(C)2009,JPO&INPIT
    • 14. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2008190428A
    • 2008-08-21
    • JP2007025908
    • 2007-02-05
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATA KOTAUEDA KOICHI
    • F02D45/00F02D43/00F02P5/15
    • F02P5/1506F02D41/0205F02D41/064Y02T10/46
    • PROBLEM TO BE SOLVED: To surely achieve early convergence of engine rotation speed to target rotation speed and early warming up of a catalyst device while inhibiting rotation speed fluctuation in cold start.
      SOLUTION: In a control device for an internal combustion engine 1 capable of executing ignition timing retarding control for warming up of a catalyst device 20 and rotation speed feed back control by ignition timing for converging engine rotation speed to a target rotation speed in cold start, a comparison means comparing final ignition timing and a retardation lower limit value during execution of rotation speed feed back control by ignition timing and target rotation speed change means changing target rotation speed of rotation speed feed back control by ignition timing based on comparison result by the comparison means. The target rotation speed is increased by a predetermined number when the final ignition timing reaches the retardation lower limit value and the target rotation speed is decreased by the predetermined number when difference between the final ignition timing and the retardation lower limit value exceeds to advance side by a predetermined angle.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:确保将发动机转速早期收敛到目标转速和催化剂装置的早期预热,同时抑制冷启动时的转速波动。 解决方案:在用于内燃机1的控制装置中,能够执行用于催化装置20的预热的点火正时延迟控制和通过点火正时的转速反馈控制,以将发动机转速会聚到目标转速 冷启动,通过点火正时和目标转速改变装置执行转速反馈控制期间比较最终点火正时和延迟下限值的比较装置,基于比较结果,通过点火正时改变转速反馈控制的目标转速 通过比较手段。 当最终点火正时达到延迟下限值时,目标转速增加预定数,并且当最终点火正时和延迟下限值之间的差超过前进时,目标转速减小预定数量 预定角度。 版权所有(C)2008,JPO&INPIT
    • 15. 发明专利
    • Control device and control method for internal combustion engine
    • 内燃机控制装置及控制方法
    • JP2007327406A
    • 2007-12-20
    • JP2006158858
    • 2006-06-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D45/00
    • F02D31/001F02D41/06F02D41/08F02D41/1401F02D41/1497F02D41/16F02D2041/1422F02D2200/1012F02D2250/18G05B13/024
    • PROBLEM TO BE SOLVED: To set optimum gains according to a variety of operating conditions of an internal combustion engine such as in starting.
      SOLUTION: A control device 6 of an internal combustion engine comprises a calculation means 5 for calculating angular acceleration or an angular velocity, an operating state determination means 5, 6 for determining the operating state according to the angular acceleration or angular velocity, a gain setting means 6, 3a for setting the gain of torque according to feedback control, and a control means 6 for so controlling the gain setting means that, when (i) the operating state is in a first operating state, a gain is set by using the angular acceleration as input information, and when (ii) the operating state is in a second operating state, the gain is set by using the angular velocity as input information.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:根据内燃机的各种操作条件(例如起动)来设定最佳增益。 解决方案:内燃机的控制装置6包括用于计算角加速度或角速度的计算装置5,用于根据角加速度或角速度确定运行状态的运行状态确定装置5,6, 用于根据反馈控制设定转矩增益的增益设定装置6,3a,以及用于控制增益设定装置的控制装置6,当(i)运行状态处于第一运行状态时,设定增益 通过使用角加速度作为输入信息,并且当(ii)操作状态处于第二操作状态时,通过使用角速度作为输入信息来设定增益。 版权所有(C)2008,JPO&INPIT
    • 16. 发明专利
    • Cylinder pressure correlation value estimation device for internal combustion engine
    • 用于内燃机的气缸压力相关值估计装置
    • JP2007187013A
    • 2007-07-26
    • JP2006003505
    • 2006-01-11
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D17/02F02D45/00
    • PROBLEM TO BE SOLVED: To accurately estimate cylinder pressure correlation value having correlation with pressure of combustion gas in a subject cylinder in relation to a cylinder pressure correlation value estimation device for an internal combustion engine.
      SOLUTION: Cylinders of V-type eight cylinder engine of ignition order #1→#8→#4→#3→#6→#5→#7→#2 are divided into two groups of group A:#1→#4→#6→#7 and group B:#8→#3→#5→#2. Cylinder gas pressure torque of each cylinder of the group A is estimated (step 106) while cylinders of the group B are deactivated (step 104). And then, cylinder gas pressure torque of each cylinder of the group B is estimated (step 112) while cylinders of the group A are halted (step 110).
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:相对于内燃机的气缸压力相关值估计装置,精确地估计与目标气缸内的燃烧气体的压力相关的气缸压力相关值。

      解决方案:点火顺序#1→#8→#4→#3→#6→#5→#7→#2的V型八缸发动机的气缸分为A组:#1 →#4→#6→#7和组B:#8→#3→#5→#2。 在组B的气缸被停用的情况下,估计组A的各气缸的气缸压力转矩(步骤106)(步骤104)。 然后,在组A的气缸停止时(步骤110),估计组B的各气缸的气缸压力转矩(步骤112)。 版权所有(C)2007,JPO&INPIT

    • 17. 发明专利
    • Controller for internal combustion engine
    • 内燃机控制器
    • JP2006329110A
    • 2006-12-07
    • JP2005155424
    • 2005-05-27
    • Toyota Motor Corpトヨタ自動車株式会社
    • UEDA KOICHISATA KOTA
    • F02D45/00F02D41/04
    • PROBLEM TO BE SOLVED: To provide a controller for an internal combustion engine enabling a user to grasp the actual amount of fuel injection accurately even when difference between fuel pressure and gas pressure in a space in which fuel is injected does not become constant due to influence of pulsation of fuel pressure and gas pressure.
      SOLUTION: Amount of fuel injection is sequentially calculated in accordance with a period of computation set in advance based on difference between fuel pressure and gas pressure in the space in which fuel is injected during fuel injection by an injector. By integrating amount of fuel injection calculated sequentially per period of computation, total amount of fuel injection from the start of fuel injection is calculated.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的控制器,使得用户即使在喷射燃料的空间中的燃料压力和气体压力之间的差异不会变得恒定时也能够准确地掌握实际的燃料喷射量 由于燃料压力脉动和气体压力的影响。 解决方案:根据预先设定的计算周期,根据喷射器燃料喷射期间喷射燃料的空间中的燃料压力与气体压力的差异,依次计算燃料喷射量。 通过对每个计算周期顺序地计算出的燃料喷射量进行积分,计算出燃料喷射开始时的燃料喷射量。 版权所有(C)2007,JPO&INPIT
    • 18. 发明专利
    • 内燃機関の制御装置
    • 内燃机控制器
    • JP2014211113A
    • 2014-11-13
    • JP2013087569
    • 2013-04-18
    • トヨタ自動車株式会社Toyota Motor Corp
    • FUJIWARA YASUHISAWATANABE SATOSHIKAKO JUNICHISATA KOTA
    • F02D45/00G06F9/50
    • F02D45/00G06F9/46
    • 【課題】マルチコアプロセッサを搭載した内燃機関において、演算処理を要求終了タイミングまでに完了させることと演算処理精度を高めることとを高い次元で両立することのできる内燃機関の制御装置を提供する。【解決手段】並列演算装置は、特定物理量を演算するための複雑制御系の演算と、複雑制御系よりもその演算が簡易化された簡易制御系の演算とを、マルチコアプロセッサにより並列に実行する。メモリは、複雑制御系および簡易制御系の何れかの演算結果を特定物理量の出力値として要求終了タイミング毎に記憶する。この際、要求終了タイミングにおいて複雑制御系および簡易制御系の両方の演算が完了している場合には複雑制御系の演算結果を記憶し、簡易制御系の演算が完了し且つ複雑制御系の演算が未完了である場合には簡易制御系の演算結果を記憶する。【選択図】図2
    • 要解决的问题:提供一种内燃机控制器,其能够在安装多核处理器的内燃机中实现在请求结束定时之前完成算术处理和提高较高水平的算术处理精度。解决方案:并行运算装置 使用多核处理器并行地执行用于计算特定物理量的复杂控制系统的计算以及简单控制系统的计算,以使其比复杂的控制系统更简单的计算。 存储器中存储复杂控制系统或简单控制系统的计算结果作为每个请求结束定时的特定物理量的输出值。 在这种情况下,如果复杂的控制系统和简单控制在请求结束定时完成计算,则将复杂控制系统的计算结果存储在存储器中。 如果简单控制系统完成计算,复杂的控制系统尚未完成计算,则将简单控制系统的计算结果存储在存储器中。
    • 19. 发明专利
    • Control device for egr valve
    • EGR阀控制装置
    • JP2013032732A
    • 2013-02-14
    • JP2011168877
    • 2011-08-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • JINBO TOMOHIKOHIBINO RYOICHITANAKA SATOSHISATA KOTAISHIBUCHI MASAAKI
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To solve such the problem that there is a possibility that an EGR rate in actual intake does not agree with a target EGR rate by a recirculated exhaust amount control based on only the flow rate of the recirculated exhaust gas when passing through an EGR valve.SOLUTION: A control device 10 includes an EGR valve 14 and a control unit 20. The control unit 20 calculates the predicted value of a recirculated exhaust gas amount Mwhen passing through the intake valve 16 of an internal combustion engine 22, on the basis of a recirculated exhaust amount Mand its change amount δMwhen passing through the EGR valve 14. The control unit: calculates an evaluation value on the basis of the difference between the predicted value and a target value Mof the recirculated exhaust amount Mof the recirculated exhaust gas when passing through the intake valve 16, and the change amount δMof the recirculated exhaust gas when passing through the EGR valve 14; obtains a change amount δMas an optimal value that gives the minimum of the evaluated value under the restricted conditions of the recirculated exhaust amount Mand its change amount δMof the gas when passing through the EGR valve 14 and of the recirculated exhaust amount Mof the gas when passing through the intake valve 16; and thereby determines the opening of the EGR valve 14.
    • 要解决的问题为了解决这样的问题,即仅通过再循环废气的流量,通过再循环排气量控制,实际进气中的EGR率与目标EGR率不一致 当通过EGR阀时。 解决方案:控制装置10包括EGR阀14和控制单元20.控制单元20计算再循环排气量M egr egr 通过内燃机22的进气门16时,POS =“POST”> cyl 及其变化 通过EGR阀14时的量δM egr 。控制单元:基于预测值与目标值M egr < 当通过进气阀16时,再循环排气的流量> cyl 和通过EGR阀14时再循环废气的变化量δM egr 获得变化量δM egr 作为在再循环排气量M egr的限制条件下给出最小值的最优值, / SB>及其通过EGR阀14时的气体的变化量δM egr 和再循环排气量M egr cyl ; 从而确定EGR阀14的打开。版权所有:(C)2013,JPO&INPIT