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    • 2. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2010163950A
    • 2010-07-29
    • JP2009006423
    • 2009-01-15
    • Mitsubishi Electric Corp三菱電機株式会社
    • WATANUKI TAKUO
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of suppressing the increase in errors between a target torque command value and an estimated torque calculation value and actually generated torque, especially avoiding the occurrence of engine stop in an idling region even when both a means for detecting the pressure of intake air and a means for detecting the flow of intake air are broken down. SOLUTION: An environmental correction amount calculator 106 calculates an air density correction coefficient γ using the temperature AT of intake air based on an electric signal from an intake air temperature sensor 13 and an atmospheric pressure BP based on an electric signal from an atmospheric pressure sensor 16. When both an air flow sensor 12 and an intake manifold pressure sensor 15 are determined to be broken down, a target torque calculation system 102 and an estimated torque calculation system 103 use an environmental correction amount provided from the environmental correction calculator 106 in controlling the amount of air. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种内燃机的控制装置,其能够抑制目标转矩指令值与估计转矩计算值和实际产生的转矩之间的误差的增加,特别是避免发动机停止的发生 即使当用于检测进气压力的装置和用于检测进气的流量的装置都被分解时,空转区域也被分解。 解决方案:环境校正量计算器106基于来自进气温度传感器13的电信号和来自大气的电信号的大气压力BP,使用进气的温度ΔT来计算空气密度校正系数γ 压力传感器16.当确定空气流量传感器12和进气歧管压力传感器15被分解时,目标扭矩计算系统102和估计扭矩计算系统103使用从环境校正计算器106提供的环境校正量 在控制空气量。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Cylinder discriminating device of internal combustion engine
    • 内燃机缸体识别装置
    • JP2004044440A
    • 2004-02-12
    • JP2002201331
    • 2002-07-10
    • Mitsubishi Electric Corp三菱電機株式会社
    • MAKINO MICHIKAZUYONEZAWA SHIROKANAZAWA EIJIWATANUKI TAKUO
    • F02D45/00G01M15/06
    • G01M15/06
    • PROBLEM TO BE SOLVED: To provide a cylinder discriminating device of an internal combustion engine capable of accurately and surely detecting a reference position for each cylinder without relying upon the rotating state.
      SOLUTION: This cylinder discriminating device comprises a means for generating crank angle signals according to the rotation of a crankshaft 12, a means for generating cylinder discriminating signals according to the rotation of a camshaft 11, a means for detecting a reference position based on crank angle signals, a means for setting a cylinder discrimination interval based on the reference position, a means for specifying each cylinder based on the cylinder discrimination signals in the cylinder discrimination interval, and a rotating state detection means for detecting a low rotation range and a high rotation range. The reference position detection means comprises a first detection processing means for validating processing specifications corresponding to a low rotation range operation state and a second detection processing means for validating processing specifications corresponding to a high rotation range operating state. The first and second detection processing means are switchingly used according to the operating state.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种内燃机的气缸识别装置,能够精确可靠地检测每个气缸的基准位置,而不依赖于旋转状态。 该气缸识别装置包括根据曲轴12的旋转产生曲柄角信号的装置,用于根据凸轮轴11的旋转产生气缸识别信号的装置,用于检测基准位置的装置 曲柄角信号,基于基准位置设定气缸判别间隔的装置,用于根据气缸辨别区间中的气缸判别信号指定每个气缸的装置和用于检测低旋转范围的旋转状态检测装置,以及 高旋转范围。 参考位置检测装置包括用于验证与低旋转范围操作状态相对应的处理规格的第一检测处理装置和用于验证与高旋转范围操作状态相对应的处理规格的第二检测处理装置。 第一和第二检测处理装置根据操作状态被切换使用。 版权所有(C)2004,JPO
    • 5. 发明专利
    • Control device for internal combustion engine and control method therefor
    • 内燃机控制装置及其控制方法
    • JP2013224596A
    • 2013-10-31
    • JP2012096452
    • 2012-04-20
    • Mitsubishi Electric Corp三菱電機株式会社
    • WATANUKI TAKUOHAGARI HIDEKI
    • F02D23/00F02B37/18F02D45/00
    • F02D23/02F02B33/44F02B37/16F02B37/18F02B39/16F02D41/0007F02D41/18F02D2200/0406F02D2200/0414Y02T10/144
    • PROBLEM TO BE SOLVED: To provide a control device for internal combustion engines and the like enabling operation of acceleration response characteristics, drive at a fuel consumption optimal point, and learning of variation factors in internal combustion engines with a supercharger having a waste gate valve.SOLUTION: A target throttle upstream pressure is calculated based on a target charging efficiency and a rotation speed. An exhaust gas flow rate is calculated based on an air-fuel ratio and an intake air flow rate. A target compressor driving force is calculated based on the target intake air flow rate and the target throttle upstream pressure. A waste gate valve control value is calculated from the exhaust gas flow rate and the target compressor driving force using the relationship in which the relational expression showing the characteristics of the exhaust gas flow rate and the target compressor driving force depends only on the waste gate valve control value.
    • 要解决的问题:提供一种能够进行加速响应特性的操作的内燃机等的控制装置,燃料消耗最优点的驱动以及具有废气闸阀的增压器的内燃机的变化因素的学习。 解决方案:基于目标充电效率和转速来计算目标节气门上游压力。 基于空燃比和进气流量来计算废气流量。 基于目标进气流量和目标油门上游压力计算目标压缩机驱动力。 使用表示排气流量特性和目标压缩机驱动力的关系式仅取决于废气闸阀的关系,根据排气流量和目标压缩机驱动力计算废门阀控制值 控制值。
    • 7. 发明专利
    • 内燃機関の制御装置
    • 内燃机控制装置
    • JP2015017569A
    • 2015-01-29
    • JP2013145979
    • 2013-07-12
    • 三菱電機株式会社Mitsubishi Electric Corp
    • WATANUKI TAKUOHAGARI HIDEKIMAKINO MICHIKAZU
    • F02M25/07F02D45/00
    • F02D43/00F02D41/0072F02D41/18F02D2200/0404F02D2200/0406F02D2200/0411Y02T10/47
    • 【課題】内燃機関を好適に制御するために十分な精度でEGR流量を推定することができる排気還流量推定手段を備えた内燃機関の制御装置を提供する。【解決手段】この発明による内燃機関の制御装置は、検出された排気還流バルブの開度と算出された排気還流バルブ有効開口面積との関係を学習し、前記学習に基づいて算出した制御用排気還流バルブ有効開口面積と排気還流バルブの開度との関係に基づいて、排気還流量を推定する排気還流量推定手段を備え、排気還流量推定手段により推定された前記排気還流量を、内燃機関の制御に用いるようにした。【選択図】図2
    • 要解决的问题:提供一种内燃机的控制装置,其包括能够以足够的精度估计EGR流量以适当地控制内燃机的排气再循环量估计装置。解决方案:内燃机的控制装置包括 排气再循环量估计装置,用于学习检测到的排气再循环阀的打开与计算出的排气再循环阀有效开口面积之间的关系,并且基于排气再循环阀有效开启面积之间的关系来估计排气再循环量 并且基于学习计算出的排气再循环阀的打开,并且由排气再循环量估计装置估计的排气再循环量用于控制内燃机。
    • 8. 发明专利
    • Internal combustion engine control device
    • 内燃机控制装置
    • JP2012237226A
    • 2012-12-06
    • JP2011106150
    • 2011-05-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • WATANUKI TAKUOONO TAKAHIKOENOKI KEIICHITOGO HISAFUMIODA KAZUSHI
    • F02D43/00F02D13/02
    • Y02T10/18Y02T10/46
    • PROBLEM TO BE SOLVED: To provide an internal combustion engine control device, which is capable of controlling an increase of a matching man-hour while suppressing a control map capacity, and capable of achieving a torque control with high accuracy based on the efficiency of combustion, without depending on various operation conditions and variations including an intake and exhaust VVT.SOLUTION: A torque calculation means performs a torque correction by using the thermal efficiency and the characteristic of a torque curve, which can approximate the relationship between an ignition retard value and a torque generating efficiency by a quadratic function. The torque calculation means includes: calculating a correction coefficient considering an effect of a combustion state change for the change of the intake and exhaust VVT or the like, and an effect on a control operation point; and performing the correction for the change of the intake and exhaust VVT or the like, with respect to the thermal efficiency and torque generating efficiency as well as MBT.
    • 要解决的问题:提供一种内燃机控制装置,其能够在抑制控制映射能力的同时控制匹配工时的增加,并且能够基于以下方式实现高精度的转矩控制 燃烧效率,而不依赖于各种操作条件和变化,包括进气和排气VVT。 解决方案:扭矩计算装置通过使用能够通过二次函数近似点火延迟值和转矩产生效率之间的关系的转矩曲线的热效率和特性来执行转矩校正。 扭矩计算装置包括:考虑到用于改变进气和排气VVT等的燃烧状态变化的影响以及对控制操作点的影响来计算校正系数; 对于热效率和转矩产生效率以及MBT,对进气VVT等的变更进行校正。 版权所有(C)2013,JPO&INPIT