Misfire detecting apparatus for internal combustion engine

    公开(公告)号:US09857273B2

    公开(公告)日:2018-01-02

    申请号:US13510968

    申请日:2010-11-19

    摘要: A misfire detecting apparatus is provided wherein a misfire is detected based on a rotational speed parameter indicative of a rotational speed of an internal combustion engine. An average change amount of the rotational speed parameter in a first predetermined period and an inertia speed changing component which is generated with rotation of the engine are calculated, and a first corrected rotational speed parameter is calculated by correcting the rotational speed parameter according to the average change amount and the inertia speed changing component. A first relative speed parameter is calculated according to a difference between a first reference value and the first corrected rotational speed parameter, the first reference value being the first corrected rotational speed parameter corresponding to the rotational speed parameter which is detected at a reference timing at which a piston of a cylinder, which is subjected to the misfire determination, is positioned in the vicinity of the compression top dead center. A first determination parameter is calculated by integrating the first relative speed parameter for an integration period corresponding to 720/N degrees of a crank angle (“N” is a number of cylinders of the engine), and a misfire determination is performed based on the first determination parameter. The reference timing and a start timing of the integration period are set according to the ignition timing of the engine.

    MISFIRE DETECTING APPARATUS FOR INTERNAL COMBUSTION ENGINE
    2.
    发明申请
    MISFIRE DETECTING APPARATUS FOR INTERNAL COMBUSTION ENGINE 有权
    用于内燃机的MISFIRE检测装置

    公开(公告)号:US20120239311A1

    公开(公告)日:2012-09-20

    申请号:US13510968

    申请日:2010-11-19

    IPC分类号: G06F19/00

    摘要: A misfire detecting apparatus is provided wherein a misfire is detected based on a rotational speed parameter indicative of a rotational speed of an internal combustion engine. An average change amount of the rotational speed parameter in a first predetermined period and an inertia speed changing component which is generated with rotation of the engine are calculated, and a first corrected rotational speed parameter is calculated by correcting the rotational speed parameter according to the average change amount and the inertia speed changing component. A first relative speed parameter is calculated according to a difference between a first reference value and the first corrected rotational speed parameter, the first reference value being the first corrected rotational speed parameter corresponding to the rotational speed parameter which is detected at a reference timing at which a piston of a cylinder, which is subjected to the misfire determination, is positioned in the vicinity of the compression top dead center. A first determination parameter is calculated by integrating the first relative speed parameter for an integration period corresponding to 720/N degrees of a crank angle (“N” is a number of cylinders of the engine), and a misfire determination is performed based on the first determination parameter. The reference timing and a start timing of the integration period are set according to the ignition timing of the engine.

    摘要翻译: 提供了一种基于指示内燃机的转速的转速参数来检测失火的失火检测装置。 计算第一预定时段中的转速参数的平均变化量和通过发动机转动产生的惯性转速变化分量,并且通过根据平均值校正转速参数来计算第一校正转速参数 变化量和惯性转速变化部件。 第一相对速度参数根据第一参考值和第一校正转速参数之间的差来计算,第一参考值是与在参考时刻检测的转速参数对应的第一校正转速参数, 经受失火判定的气缸的活塞位于压缩上止点附近。 通过将对应于曲柄角的720 / N度的积分期间的第一相对速度参数进行积分来计算第一确定参数(“N”是发动机的气缸数),并且基于 第一确定参数。 根据发动机的点火正时来设定基准定时和积分期间的开始时刻。

    Apparatus to control internal combustion engine, method for controlling internal combustion engine and non-transitory computer-readable recording medium
    3.
    发明授权
    Apparatus to control internal combustion engine, method for controlling internal combustion engine and non-transitory computer-readable recording medium 有权
    用于控制内燃机的装置,用于控制内燃机和非暂时计算机可读记录介质的方法

    公开(公告)号:US08935074B2

    公开(公告)日:2015-01-13

    申请号:US13103954

    申请日:2011-05-09

    摘要: An apparatus to control an internal combustion engine includes a cylinder operation controller configured to switch a cylinder operation between an all-cylinder operation and a cylinder deactivation operation. A deactivation time parameter integrating device is configured to integrate a deactivation time parameter indicating a deactivation time of the part of the plurality of cylinders to calculate an integrated deactivation time parameter. An inhibiting device is configured to inhibit the cylinder deactivation operation if the integrated deactivation time parameter calculated by the deactivation time parameter integrating device is larger than or equal to a reference value. The deactivation time parameter integrating device holds the integrated deactivation time parameter as an initial value after an operation of the internal combustion engine is stopped. The deactivation time parameter integrating device resumes integrating the deactivation time parameter using the initial value when the internal combustion engine restarts.

    摘要翻译: 一种控制内燃机的设备包括:缸操作控制器,被配置为在全缸操作和气缸停用操作之间切换气缸操作。 停用时间参数整合装置被配置为集成表示多个汽缸的一部分的停用时间的停用时间参数,以计算积分停用时间参数。 如果由去激活时间参数积分装置计算的积分停用时间参数大于或等于参考值,则禁止装置被配置为禁止汽缸停用操作。 停用时间参数积分装置在内燃机的运转停止后,将积分停用时间参数保持为初始值。 当内燃机重启时,停用时间参数积分装置使用初始值恢复积分停用时间参数。

    APPARATUS TO CONTROL INTERNAL COMBUSTION ENGINE, METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM
    4.
    发明申请
    APPARATUS TO CONTROL INTERNAL COMBUSTION ENGINE, METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM 有权
    用于控制内燃机的设备,用于控制内燃机的方法和非电子计算机可读记录介质

    公开(公告)号:US20110307158A1

    公开(公告)日:2011-12-15

    申请号:US13103954

    申请日:2011-05-09

    IPC分类号: F02D28/00

    摘要: An apparatus to control an internal combustion engine includes a cylinder operation controller configured to switch a cylinder operation between an all-cylinder operation and a cylinder deactivation operation. A deactivation time parameter integrating device is configured to integrate a deactivation time parameter indicating a deactivation time of the part of the plurality of cylinders to calculate an integrated deactivation time parameter. An inhibiting device is configured to inhibit the cylinder deactivation operation if the integrated deactivation time parameter calculated by the deactivation time parameter integrating device is larger than or equal to a reference value. The deactivation time parameter integrating device holds the integrated deactivation time parameter as an initial value after an operation of the internal combustion engine is stopped. The deactivation time parameter integrating device resumes integrating the deactivation time parameter using the initial value when the internal combustion engine restarts.

    摘要翻译: 一种控制内燃机的设备包括:缸操作控制器,被配置为在全缸操作和气缸停用操作之间切换气缸操作。 停用时间参数整合装置被配置为集成表示多个汽缸的一部分的停用时间的停用时间参数,以计算积分停用时间参数。 如果由去激活时间参数积分装置计算的积分停用时间参数大于或等于参考值,则禁止装置被配置为禁止汽缸停用操作。 停用时间参数积分装置在内燃机的运转停止后,将积分停用时间参数保持为初始值。 当内燃机重启时,停用时间参数积分装置使用初始值恢复积分停用时间参数。

    Stop control system and method for internal combustion engine
    5.
    发明授权
    Stop control system and method for internal combustion engine 有权
    内燃机停机控制系统及方法

    公开(公告)号:US08589056B2

    公开(公告)日:2013-11-19

    申请号:US13382458

    申请日:2010-07-30

    IPC分类号: F02D9/02 G07F19/00 F02N11/08

    摘要: To provide a stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position while compensating for variation in the stop characteristic of the piston and aging thereof. The stop control system 1 for the engine 3 according the present invention controls a throttle valve 13a toward an open side when an engine speed NE becomes lower than a stop control start rotational speed NEIGOFTH after the engine 3 is stopped (step 42), whereby a final compression stroke rotational speed NEPRSFTGT is controlled to a predetermined reference value NENPFLMTO, to thereby control the stop position of the piston 3d to a predetermined position. Further, the correlation between the stop control start rotational speed NEIGOFTH and the final compression stroke rotational speed NEPRSFTGT is determined (step 5, FIG. 9), and based on the determined correlation, a target stop control start rotational speed NEICOFREFX is calculate and learned (step 11), for use in the stop control.

    摘要翻译: 提供一种用于内燃机的停止控制系统,其能够在补偿活塞的停止特性的变化及其老化的同时,将活塞精确地停止在预定位置。 根据本发明的发动机3的停止控制系统1在发动机3停止后发动机转速NE变得低于停止控制开始转速NEIGOFTH时,将节流阀13a向开口侧进行控制(步骤42),由此, 最终压缩行程转速NEPRSFTGT被控制到预定的参考值NENPFLMTO,从而将活塞3d的停止位置控制到预定位置。 此外,确定停止控制开始转速NEIGOFTH与最终压缩冲程转速NEPRSFTGT之间的相关性(步骤5,图9),并且基于确定的相关性,计算和学习目标停止控制开始转速NEICOFREFX (步骤11),用于停止控制。

    STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE
    6.
    发明申请
    STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE 有权
    内燃机停止控制系统及方法

    公开(公告)号:US20120116653A1

    公开(公告)日:2012-05-10

    申请号:US13382458

    申请日:2010-07-30

    IPC分类号: F02D9/02

    摘要: To provide a stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position while compensating for variation in the stop characteristic of the piston and aging thereof. The stop control system 1 for the engine 3 according the present invention controls a throttle valve 13a toward an open side when an engine speed NE becomes lower than a stop control start rotational speed NEIGOFTH after the engine 3 is stopped (step 42), whereby a final compression stroke rotational speed NEPRSFTGT is controlled to a predetermined reference value NENPFLMTO, to thereby control the stop position of the piston 3d to a predetermined position. Further, the correlation between the stop control start rotational speed NEIGOFTH and the final compression stroke rotational speed NEPRSFTGT is determined (step 5, FIG. 9), and based on the determined correlation, a target stop control start rotational speed NEICOFREFX is calculate and learned (step 11), for use in the stop control.

    摘要翻译: 提供一种用于内燃机的停止控制系统,其能够在补偿活塞的停止特性的变化及其老化的同时,将活塞精确地停止在预定位置。 根据本发明的发动机3的停止控制系统1在发动机3停止后发动机转速NE变得低于停止控制开始转速NEIGOFTH时,将节流阀13a向开口侧进行控制(步骤42),由此, 最终压缩行程转速NEPRSFTGT被控制到预定的参考值NENPFLMTO,从而将活塞3d的停止位置控制到预定位置。 此外,确定停止控制开始转速NEIGOFTH与最终压缩冲程转速NEPRSFTGT之间的相关性(步骤5,图9),并且基于确定的相关性,计算和学习目标停止控制开始转速NEICOFREFX (步骤11),用于停止控制。

    Device and method for controlling timing at which ignition is stopped when internal combustion engine becomes stopped
    7.
    发明授权
    Device and method for controlling timing at which ignition is stopped when internal combustion engine becomes stopped 有权
    用于控制内燃机停止时点火停止的定时的装置和方法

    公开(公告)号:US08838368B2

    公开(公告)日:2014-09-16

    申请号:US13133392

    申请日:2009-12-01

    摘要: A control device for stopping an engine, configured in such a manner that, when, after the ignition of the engine is turned off, the throttle valve is opened to introduce air in order to avoid that a piston stops near the top dead center, the control device stops the engine without causing a misalignment of the stop position of the piston and without degrading emission quality. A device for controlling the timing at which ignition is stopped when an internal combustion engine becomes stopped is provided with: a means for sending, depending on the rotational speed (NE) of the internal combustion engine detected by a rotational speed sensor decreasing to a level lower than or equal to a predetermined value (Np) after the ignition (55) is turned off and the throttle valve (14) is closed, a signal to an actuator (18) so that the throttle valve (14) is opened in order to control the stop position of a piston; and also provided with a means for stopping the ignition of the ignition plug when the throttle valve (14) becomes opened in order to control the stop position of the piston.

    摘要翻译: 一种用于停止发动机的控制装置,其特征在于,当发动机的点火开关关闭之后,打开节流阀以引入空气,以避免活塞在上止点附近停止, 控制装置停止发动机而不引起活塞的停止位置的不对准而不降低排放质量。 一种用于控制内燃机停止时点火停止的定时的装置设置有:根据由转速传感器检测到的内燃机的旋转速度(NE)发送到水平的装置 在点火(55)关闭并且节流阀(14)关闭之后,低于或等于预定值(Np),向致动器(18)提供信号,使得节流阀(14)按顺序打开 以控制活塞的停止位置; 并且还设置有用于当节气门(14)打开时停止火花塞点火的装置,以便控制活塞的停止位置。

    STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE
    8.
    发明申请
    STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE 有权
    内燃机停止控制系统及方法

    公开(公告)号:US20120130619A1

    公开(公告)日:2012-05-24

    申请号:US13384744

    申请日:2010-07-30

    IPC分类号: F02D17/04

    摘要: A stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position during stoppage of the engine while preventing occurrence of untoward noise and vibration. After stopping the engine 3, the stop control system 1 for the engine 3 according to the present invention executes a first stage control (step 34) in which a throttle valve 13a is controlled to a first stage control target opening degree ICMDOFPRE smaller than a second predetermined opening degree ICMDOF2, in order to stop the piston at the predetermined position, before executing a second stage control (step 42) in which the throttle valve 13a is controlled to the second predetermined opening degree ICMDOF2. Further, the stop control system 1 stabilizes initial conditions at the start of the second stage control by setting a first stage control start rotational speed NEICOFPRE and a first stage control target opening degree ICMDOFPRE according to a change in a corrected target stop control start rotational speed NEICOFREFN (steps 71 and 85).

    摘要翻译: 一种用于内燃机的停止控制系统,其能够在发动机停止期间精确地停止在预定位置处的活塞,同时防止发生不利的噪音和振动。 在停止发动机3之后,根据本发明的发动机3的停止控制系统1执行第一级控制(步骤34),其中节流阀13a被控制到小于第二级的第一级控制目标开度ICMDOFPRE 在执行将节气门13a控制到第二预定开度ICMDOF2的第二级控制(步骤42)之前,为了将活塞停止在预定位置,预定开度ICMDOF2。 此外,停止控制系统1通过根据修正的目标停止控制开始转动的变化设定第一级控制开始转速NEICOFPRE和第一级控制对象开度ICMDOFPRE来稳定第二级控制开始时的初始状态 NEICOFREFN(步骤71和85)。

    Stop control system and method for internal combustion engine
    9.
    发明授权
    Stop control system and method for internal combustion engine 有权
    内燃机停机控制系统及方法

    公开(公告)号:US08812221B2

    公开(公告)日:2014-08-19

    申请号:US13384744

    申请日:2010-07-30

    IPC分类号: B60T7/12

    摘要: A stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position during stoppage of the engine while preventing occurrence of untoward noise and vibration. After stopping the engine 3, the stop control system 1 for the engine 3 according to the present invention executes a first stage control (step 34) in which a throttle valve 13a is controlled to a first stage control target opening degree ICMDOFPRE smaller than a second predetermined opening degree ICMDOF2, in order to stop the piston at the predetermined position, before executing a second stage control (step 42) in which the throttle valve 13a is controlled to the second predetermined opening degree ICMDOF2. Further, the stop control system 1 stabilizes initial conditions at the start of the second stage control by setting a first stage control start rotational speed NEICOFPRE and a first stage control target opening degree ICMDOFPRE according to a change in a corrected target stop control start rotational speed NEICOFREFN (steps 71 and 85).

    摘要翻译: 一种用于内燃机的停止控制系统,其能够在发动机停止期间精确地停止在预定位置处的活塞,同时防止发生不利的噪音和振动。 在停止发动机3之后,根据本发明的发动机3的停止控制系统1执行第一级控制(步骤34),其中节流阀13a被控制到小于第二级的第一级控制目标开度ICMDOFPRE 在执行将节气门13a控制到第二预定开度ICMDOF2的第二级控制(步骤42)之前,为了将活塞停止在预定位置,预定开度ICMDOF2。 此外,停止控制系统1通过根据修正的目标停止控制开始转动的变化设定第一级控制开始转速NEICOFPRE和第一级控制对象开度ICMDOFPRE来稳定第二级控制开始时的初始状态 NEICOFREFN(步骤71和85)。

    DEVICE AND METHOD FOR CONTROLLING TIMING AT WHICH IGNITION IS STOPPED WHEN INTERNAL COMBUSTION ENGINE BECOMES STOPPED
    10.
    发明申请
    DEVICE AND METHOD FOR CONTROLLING TIMING AT WHICH IGNITION IS STOPPED WHEN INTERNAL COMBUSTION ENGINE BECOMES STOPPED 有权
    当内燃机发动机停止时,控制点火时间的装置和方法

    公开(公告)号:US20110288753A1

    公开(公告)日:2011-11-24

    申请号:US13133392

    申请日:2009-12-01

    IPC分类号: F02D45/00

    摘要: A control device for stopping an engine, configured in such a manner that, when, after the ignition of the engine is turned off, the throttle valve is opened to introduce air in order to avoid that a piston stops near the top dead center, the control device stops the engine without causing a misalignment of the stop position of the piston and without degrading emission quality. A device for controlling the timing at which ignition is stopped when an internal combustion engine becomes stopped is provided with: a means for sending, depending on the rotational speed (NE) of the internal combustion engine detected by a rotational speed sensor decreasing to a level lower than or equal to a predetermined value (Np) after the ignition (55) is turned off and the throttle valve (14) is closed, a signal to an actuator (18) so that the throttle valve (14) is opened in order to control the stop position of a piston; and also provided with a means for stopping the ignition of the ignition plug when the throttle valve (14) becomes opened in order to control the stop position of the piston.

    摘要翻译: 一种用于停止发动机的控制装置,其特征在于,当发动机的点火开关关闭之后,打开节流阀以引入空气,以避免活塞在上止点附近停止, 控制装置停止发动机而不引起活塞的停止位置的不对准而不降低排放质量。 一种用于控制内燃机停止时点火停止的定时的装置设置有:根据由转速传感器检测到的内燃机的旋转速度(NE)发送到水平的装置 在点火(55)关闭并且节流阀(14)关闭之后,低于或等于预定值(Np),向致动器(18)提供信号,使得节流阀(14)按顺序打开 以控制活塞的停止位置; 并且还设置有用于当节气门(14)打开时停止火花塞点火的装置,以便控制活塞的停止位置。