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    • 1. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2011190729A
    • 2011-09-29
    • JP2010056332
    • 2010-03-12
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • MAKINO MICHIKAZUHAGARI HIDEKIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D41/22F02D13/02F02D17/04F02D45/00
    • F02D35/021F02D35/027F02D35/028F02D41/22F02D2041/227G01M15/11Y02T10/40
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine, determining compression preignition and heat source preignition by a single preignition detection without depending on engine speed.
      SOLUTION: This control device for the internal combustion engine includes: an abnormal combustion detection means detecting abnormal combustion performing self-ignition irrespective of ignition by an ignition means; a preignition determination means detecting abnormal combustion occurring timing based on information on detection of the abnormal combustion and determining whether or not the abnormal combustion is preignition based on the comparison of preignition determination timing with the abnormal combustion occurring timing; a heat source preignition determination means determining the heat source preignition and compression preignition based on the comparison of the abnormal combustion occurring timing with the heat source preignition determination timing from the preignition determination means; a first avoidance means avoiding the heat source preignition when determined as the heat source preignition; and a second avoidance means avoiding the compression preignition when determined as the compression preignition.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的控制装置,通过单个预警检测来确定压缩预警和热源预点火,而不依赖于发动机转速。 解决方案:用于内燃机的该控制装置包括:异常燃烧检测装置,检测执行自身点火的异常燃烧,而不管点火装置是否点火; 基于对异常燃烧发生定时的比较,基于异常燃烧检测的信息,判定异常燃烧是否为预先对准,检测异常燃烧发生正时; 热源预警判定单元,基于异常燃烧发生定时与来自前提点确定单元的热源预警确定时刻的比较来确定热源预启动和压缩预对准; 首先避免意味着当确定为热源预燃时避免热源预点火; 并且第二回避意味着当被确定为压缩预警时避免压缩预警。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Abnormal ignition control device for internal combustion engine
    • 用于内燃机的异常点火控制装置
    • JP2011012608A
    • 2011-01-20
    • JP2009157989
    • 2009-07-02
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • HAGARI HIDEKIMAKINO MICHIKAZUESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide an abnormal ignition control device for an internal combustion engine, accurately detecting strength of abnormal ignition and suppressing abnormal ignition, by using a plurality of detection methods for detecting abnormal ignition.SOLUTION: The abnormal ignition control device includes: a knock sensor 1; an ion current sensor 2; a crank angle sensor 3; a pre-ignition determination parameter calculation part 40 calculating a plurality of pre-ignition determination parameters; a validity determination part 50 determining validity when the plurality of pre-ignition determination parameters exceed an abnormal combustion determination threshold value; a pre-ignition strength calculation part 60 calculating the strength of the pre-ignition, based on a parameter-pre-ignition strength map mapping a relation between a pre-ignition determination parameter and the pre-ignition strength, only with respect to the pre-ignition determination parameter of which the validity is determined; a pre-ignition strength arbitration part 70 calculating the final pre-ignition strength by arbitrating the pre-ignition strength if the pre-ignition intensity is calculated; and a pre-ignition prevention control part 80 performing a prevention control of the pre-ignition according to the final pre-ignition intensity.
    • 要解决的问题:通过使用多种用于检测异常点火的检测方法,提供用于内燃机的异常点火控制装置,准确地检测异常点火强度并抑制异常点火。解决方案:异常点火控制装置包括: 爆震传感器1; 离子电流传感器2; 曲柄角传感器3; 预先点火判定参数运算部40,计算多个预先点火判断参数; 确定多个预先点火判定参数超过异常燃烧判定阈值时的有效性的有效性判定部50; 预先点火强度计算部分60,基于仅对预燃点确定参数和预燃强度之间的关系进行参数预点燃强度图计算预点火强度。 确定有效性的确定参数; 预燃强度仲裁部分70,如果计算预先点火强度,则通过仲裁预燃强度来计算最终预燃强度; 以及预防点控制部80,其根据最终的预先点火强度进行预点火的防止控制。
    • 3. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2009281239A
    • 2009-12-03
    • JP2008133159
    • 2008-05-21
    • Mitsubishi Electric Corp三菱電機株式会社
    • KADOWAKI MASAKIHAGARI HIDEKI
    • F02D41/04F02D45/00
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of efficiently avoiding unnecessary deterioration in fuel economy and deterioration in control performance due to an ignition retard.
      SOLUTION: This control device for internal combustion engine includes: a maximum target charging efficiency computing section B109 for computing the maximum target charging efficiency based on the engine speed and the ignition retard quantity; a second target charging efficiency computing section B110 for comparing the target charging efficiency, which is computed by a first target charging efficiency computing means B108, with the maximum target charging efficiency to select a smaller value, and for computing the target in-cylinder air quantity based on the limited target charging efficiency; and a target throttle opening computing section B112 for computing a target in-cylinder air quantity based on the limited target charging efficiency to compute a target intake air quantity, which is to be intaken by the internal combustion engine, based on the computed value to control a throttle valve 2 so as to realize the target intake air quantity. When computing the target intake air quantity based on the target output torque, limiting processing is performed by using the maximum target charging efficiency.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种内燃机的控制装置,其能够有效地避免燃料经济性的不必要的劣化和由于点火延迟引起的控制性能的劣化。 解决方案:该内燃机用控制装置具备:最大目标充电效率计算部B109,用于基于发动机转速和点火延迟量计算最大目标充电效率; 用于将由第一目标充电效率计算装置B108计算的目标充电效率与最大目标充电效率进行比较以选择较小值的第二目标充电效率计算部分B110,以及用于计算目标气缸内空气量 基于有限的目标充电效率; 以及目标节气门开度计算部B112,用于基于有限的目标充电效率来计算目标气缸内空气量,以计算由内燃机接收的目标进气量,基于计算值来控制 节流阀2,以实现目标进气量。 当基于目标输出转矩计算目标进气量时,通过使用最大目标充电效率进行限制处理。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Control apparatus for internal combustion engine
    • 内燃机控制装置
    • JP2009275521A
    • 2009-11-26
    • JP2008124762
    • 2008-05-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAGARI HIDEKI
    • F02D45/00
    • F02P5/152F02D2041/288G01L23/225Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a control apparatus for an internal combustion engine equipped with a means for ensuring temporal and frequency resolutions necessary for the analysis of a frequency of knock by digital signal processing with limited amounts of processing and a memory.
      SOLUTION: The control apparatus for an internal combustion engine includes, as knock detection means, a low pass filter 14 for eliminating a high frequency component of an output signal from a knock sensor or a cylinder internal pressure sensor, an A-D conversion unit 15 for performing A-D conversion on an output signal from the filter at each predetermined time interval, and DFT processing units 16a, 16b each performing time-frequency analysis by performing digital signal processing on data obtained by the A-D conversion, thereby detecting a knock based on the digital signal processing result by the DFT processing units. Each of the DFT processing units includes an observation interval setting means for dividing the A-D-converted data to set observation intervals each containing a predetermined number of samples, and a multi-frequency simultaneous analysis means for simultaneously analyzing multiple frequencies by a discrete Fourier transform for each of the set observation intervals. The number of samples contained in each of the observation intervals can be changed according to the frequency to be analyzed.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种内燃机的控制装置,其配备有用于通过数字信号处理的有限量的处理和存储器确保分析爆震频率所需的时间和频率分辨率的装置。 解决方案:内燃机的控制装置包括作为爆震检测装置的低通滤波器14,用于消除来自爆震传感器或气缸内部压力传感器的输出信号的高频分量,AD转换单元 15,用于在每个预定时间间隔对来自滤波器的输出信号执行AD转换;以及DFT处理单元16a,16b,其通过对通过AD转换获得的数据执行数字信号处理来执行时间 - 频率分析,从而基于 数字信号处理结果由DFT处理单元组成。 每个DFT处理单元包括观察间隔设置装置,用于将AD转换数据分割成设置每个包含预定数量样本的观察间隔;以及多频同时分析装置,用于通过离散付里叶变换同时分析多个频率 每个设定的观察间隔。 每个观察间隔中包含的样本数量可以根据要分析的频率而改变。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2006029158A
    • 2006-02-02
    • JP2004207126
    • 2004-07-14
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAGARI HIDEKI
    • F02D45/00F02P5/152F02P5/153
    • F02D35/027F02D41/222G01L27/007
    • PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine, capable of judging the abnormality irrespective of a one-line system or a two-line system, and also detecting the abnormal classification. SOLUTION: The control device of the internal combustion engine comprises a knock sensor 1 having a piezoelectric element Cs for detecting the vibration generated in the internal combustion engine and a resistance Rs connected in parallel to the piezoelectric element, and an interface circuit 11 having a function to detect the knocking corresponding to the output of the knock sensor 1, and detect the abnormality of the knock sensor 1, and controls the ignition timing based on the knock detection. The interface circuit 11 is provided with a bias means (resistances R2, R3) to bias by pulling down and pulling down the output of the knock sensor 1 to detect the abnormality of the knock sensor 1 with the direct-current component of the bias means. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够与单线系统或双线系统无关地判断异常的内燃机的控制装置,并且还检测异常分类。 解决方案:内燃机的控制装置包括具有用于检测内燃机中产生的振动的压电元件Cs和与压电元件并联连接的电阻Rs的爆震传感器1,以及接口电路11 具有检测与爆震传感器1的输出对应的爆震的功能,并且检测爆震传感器1的异常,并且基于爆震检测来控制点火正时。 接口电路11设置有偏置装置(电阻R2,R3),通过下拉和拉下爆震传感器1的输出来偏置,以利用偏置装置的直流分量来检测爆震传感器1的异常 。 版权所有(C)2006,JPO&NCIPI
    • 6. 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。
    • 7. 发明专利
    • Internal combustion engine control apparatus
    • 内燃机发动机控制装置
    • JP2012159044A
    • 2012-08-23
    • JP2011019685
    • 2011-02-01
    • Mazda Motor CorpMitsubishi Electric Corpマツダ株式会社三菱電機株式会社
    • HAGARI HIDEKIMATSUSHIMA YUHEIESUMI KEITAROKUSUNOKI TOMOKUNI
    • F02D45/00F02P5/152F02P5/153
    • F02P5/152F02D35/027Y02T10/46
    • PROBLEM TO BE SOLVED: To provide an internal combustion engine control apparatus that can detect a transient operation state with no delay and wherein a transient correction amount including a degree of acceleration and deceleration, a transient correction continuance, a decreasing speed of the transient correction amount, and the like can be adapted by less man hours.SOLUTION: The apparatus includes: an operation status value detection unit for detecting two or more operation status values indicating an operation status of an internal combustion engine; a filtering processing unit for applying filtering processing to each of the detected operation status values, an operation status value difference calculation unit for calculating the difference between the filter-processed and non-filter-processed operation status values to calculate two or more operation status value differences; an operation status value difference normalization unit for normalizing the two or more operation status value differences, based on predetermined reference values for the two or more operation status values, to calculate two or more normalized operation status value differences; and a transient correction unit for correcting a control amount for controlling output of the internal combustion engine, based on the two or more normalized operation status value differences, when the engine is in a transient-operation mode.
    • 解决的问题:提供一种能够无延迟地检测瞬时动作状态的内燃机控制装置,其特征在于,包括加速减速度,瞬时校正持续时间,瞬时校正持续时间, 瞬时校正量等可以以较少的工时进行调整。 解决方案:该装置包括:操作状态值检测单元,用于检测指示内燃机的运行状态的两个或多个运行状态值; 用于对每个检测到的操作状态值进行滤波处理的滤波处理单元,用于计算滤波处理和非滤波处理的运算状态值之间的差的运算状态值差计算单元,计算两个以上运算状态值 差异; 操作状态值差异归一化单元,用于基于所述两个或多个操作状态值的预定参考值来归一化所述两个或多个操作状态值差,以计算两个或更多个归一化操作状态值差; 以及瞬态校正单元,用于当发动机处于瞬态操作模式时,基于两个或更多个归一化的操作状态值差来校正用于控制内燃机的输出的控制量。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Knock sensor device
    • 卡诺传感器设备
    • JP2011185093A
    • 2011-09-22
    • JP2010047782
    • 2010-03-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAGARI HIDEKIMATSUSHIMA YUHEI
    • F02D45/00F02D13/02F02D43/00
    • G01L23/225F02D35/027F02D41/00F02D41/222F02D2041/1432F02D2250/14Y02T10/40
    • PROBLEM TO BE SOLVED: To provide a knock sensor device detecting a trouble even in the case of remarkably low rotation such as an idling operation. SOLUTION: This knock sensor device includes: a first A/D converting means for A/D converting output signals of the knock sensor per a predetermined time in a crank angle period, in which vibration due to knocking occurs; and a second A/D converting means for A/D converting the output signals of the knock sensor per a predetermined time in a crank angle period, in which mechanical noise always occurs. A deviation between an amplitude level of the data A/D converted by the second A/D converting means and an amplitude level of the data A/D converted by the first A/D converting means is computed, and such a computing is continued for a plurality of strokes, and in the case wherein the deviation falls below a trouble determination level, a determination that the knock sensor failed is done. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:即使在诸如怠速操作的显着低的旋转的情况下,也提供一种检测故障的爆震传感器装置。 解决方案:该爆震传感器装置包括:第一A / D转换装置,用于在发生由于敲击引起的振动的曲柄角周期内的每个预定时间内对爆震传感器的输出信号进行A / D转换; 以及第二A / D转换装置,用于在始终发生机械噪声的曲柄角周期内每预定时间对爆震传感器的输出信号进行A / D转换。 计算由第二A / D转换装置转换的数据A / D的幅度电平与由第一A / D转换装置转换的数据A / D的振幅电平之间的偏差,并继续进行这样的计算 多个行程,并且在偏差低于故障判定水平的情况下,完成了爆震传感器故障的确定。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2008138630A
    • 2008-06-19
    • JP2006327330
    • 2006-12-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAGARI HIDEKI
    • F02D41/04F02D41/18F02D45/00
    • F02D41/18F02D41/0002F02D2041/0017F02D2041/1434F02D2200/0402Y02T10/42
    • PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of controlling throttle opening in response to a target engine intake airflow even in transient operation.
      SOLUTION: This control device of an internal combustion engine is provided with: a throttle valve 6; an intake airflow control means 24; an actual cylinder intake airflow calculation means 21; a target cylinder intake airflow calculation means 22 calculating a target cylinder intake volume Qct; and a target engine intake airflow calculation means 23 calculating a target engine intake volume Qat by phase lead compensation. The actual cylinder intake airflow calculation means 21 calculates a response delay model of an intake system from a volume efficiency equivalent value Kv calculated from a revolution speed Ne of an engine 1 and intake manifold pressure Pim, an intake pipe volume Vs, and a stroke volume Vc of a cylinder 2, and calculates an actual cylinder intake volume Qcr from an actual engine intake volume Qar from an airflow sensor 4, and the response delay model. The intake airflow control means 24 controls throttle opening TP by the target engine intake volume Qat.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供即使在瞬时操作中也能够响应于目标发动机进气气流来控制节气门开度的内燃机的控制装置。 解决方案:内燃机的该控制装置设有:节流阀6; 进气流量控制装置24; 实际的气缸进气气流计算装置21; 目标气缸进气量计算单元22计算目标气缸进气容积Qct; 以及目标发动机进气量计算装置23,通过相位超前补偿来计算目标发动机进气量Qat。 实际气缸进气量计算装置21根据从发动机1的转速Ne和进气歧管压力Pim,进气管容积Vs和行程体积计算的体积效率等效值Kv,计算进气系统的响应延迟模型 缸体2的Vc,并且根据来自气流传感器4的实际发动机进气容积Qar和响应延迟模型来计算实际气缸吸入量Qcr。 进气流量控制装置24通过目标发动机进气量Qat来控制节气门开度TP。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2008057339A
    • 2008-03-13
    • JP2006231950
    • 2006-08-29
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAGARI HIDEKINISHIMURA SAKANORI
    • F02D41/04F02D9/02F02D11/10F02D45/00
    • F02D9/02F02D11/105F02D41/0002F02D41/18F02D41/2448F02D41/2464F02D2200/0404F02D2200/0406F02D2200/0414F02D2200/703F02M35/10052F02M35/10295F02M35/1038F02M35/10386Y02T10/42
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine having a throttle opening control means capable of securing control accuracy even if throttle valves and various sensors 30 are dispersed in a throttle control for setting a throttle opening according to the operating conditions when controlled to the throttle opening at which a target intake amount can be obtained.
      SOLUTION: A target effective opening area is calculated from a target amount of intake air Qa*, an atmospheric pressure Po, an intake pipe internal pressure and an intake air temperature by using a flow rate formula for a throttle flow meter to achieve a target intake air amount. A target throttle opening is calculated from a correlation map between the effective opening area and the throttle opening adapted to each other beforehand. An actual effective opening area is calculated from the amount of intake air, the atmospheric pressure Po, the intake pipe internal pressure, and the intake air temperature by using the flow rate formula, and a learning throttle opening is calculated from the correlation map. The target throttle opening is corrected by a throttle opening learning value calculated from a deviation between the target throttle opening and the learning throttle opening.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有节气门开度控制装置的内燃机的控制装置,该节气门开度控制装置即使节流阀和各种传感器30分散在用于设定节气门开度的节气门控制中也能够确保控制精度, 控制到可以获得目标摄入量的节气门开度的操作条件。 解决方案:通过使用节气门流量计的流量公式来实现目标有效开口面积从目标吸气量Qa *,大气压Po,进气管内压和进气温度计算 目标进气量。 从有效开口面积和节气门开度之间的相关图预先计算出目标节气门开度。 通过使用流量公式,根据进气量,大气压Po,进气管内压和进气温度计算实际有效开口面积,并根据相关图计算学习节气门开度。 通过从目标节气门开度和学习节气门开度之间的偏差计算的节气门开度学习值来校正目标节气门开度。 版权所有(C)2008,JPO&INPIT