Method for controlling an internal combustion engine
    1.
    发明申请
    Method for controlling an internal combustion engine 有权
    用于控制内燃机的方法

    公开(公告)号:US20090043482A1

    公开(公告)日:2009-02-12

    申请号:US12221722

    申请日:2008-08-06

    IPC分类号: F02D45/00

    摘要: A method for controlling an internal combustion engine having a common rail system together with individual accumulators. A rotational speed-control deviation (dn) is determined from a target rotational speed (nSL) that represents the set point for an outer control loop to control the rotational speed, as well as from an actual rotational speed (nIST). A target torque (MSL) is determined from the rotational speed-control deviation (dn) via a rotational speed controller as a master controller. A target injection duration (SD(SOLL)) is determined from the target torque (MSL). The target duration injection (SD(SOLL)) represents the set point for an inner control loop for controlling cylinder-specific injection duration. An injection duration deviation is determined from the target injection duration (SD(SOLL)) and from an actual injection duration. A correcting variable is determined from the injection duration deviation via an injection duration controller as a follow-up controller, and an injection duration is determined from the correcting variable and the target injection duration for activating the injectors.

    摘要翻译: 一种用于控制具有共轨系统的内燃机与各个蓄能器一起的方法。 从表示用于控制转速的外部控制回路的设定点以及实际转速(nIST)的目标转速(nSL)确定转速控制偏差(dn)。 通过作为主控制器的转速控制器从转速控制偏差(dn)确定目标转矩(MSL)。 从目标转矩(MSL)确定目标喷射持续时间(SD(SOLL))。 目标持续时间喷射(SD(SOLL))表示用于控制气缸特定喷射持续时间的内部控制回路的设定点。 从目标喷射持续时间(SD(SOLL))和实际喷射持续时间确定喷射持续时间偏差。 通过作为后续控制器的喷射持续时间控制器从注射持续时间偏差确定校正变量,并且根据校正变量和用于激活喷射器的目标喷射持续时间来确定喷射持续时间。

    Method for controlling an internal combustion engine
    2.
    发明授权
    Method for controlling an internal combustion engine 有权
    用于控制内燃机的方法

    公开(公告)号:US07788018B2

    公开(公告)日:2010-08-31

    申请号:US12221722

    申请日:2008-08-06

    IPC分类号: B60T7/12 F02M35/00

    摘要: A method for controlling an internal combustion engine having a common rail system together with individual accumulators. A rotational speed-control deviation (dn) is determined from a target rotational speed (nSL) that represents the set point for an outer control loop to control the rotational speed, as well as from an actual rotational speed (nIST). A target torque (MSL) is determined from the rotational speed-control deviation (dn) via a rotational speed controller as a master controller. A target injection duration (SD(SOLL)) is determined from the target torque (MSL). The target duration injection (SD(SOLL)) represents the set point for an inner control loop for controlling cylinder-specific injection duration. An injection duration deviation is determined from the target injection duration (SD(SOLL)) and from an actual injection duration. A correcting variable is determined from the injection duration deviation via an injection duration controller as a follow-up controller, and an injection duration is determined from the correcting variable and the target injection duration for activating the injectors.

    摘要翻译: 一种用于控制具有共轨系统的内燃机与各个蓄能器一起的方法。 从表示用于控制转速的外部控制回路的设定点以及实际转速(nIST)的目标转速(nSL)确定转速控制偏差(dn)。 通过作为主控制器的转速控制器从转速控制偏差(dn)确定目标转矩(MSL)。 从目标转矩(MSL)确定目标喷射持续时间(SD(SOLL))。 目标持续时间喷射(SD(SOLL))表示用于控制气缸特定喷射持续时间的内部控制回路的设定点。 从目标喷射持续时间(SD(SOLL))和实际喷射持续时间确定喷射持续时间偏差。 通过作为后续控制器的喷射持续时间控制器从注射持续时间偏差确定校正变量,并且根据校正变量和用于激活喷射器的目标喷射持续时间来确定喷射持续时间。

    Method for detecting preinjection
    3.
    发明申请
    Method for detecting preinjection 失效
    检测注射前的方法

    公开(公告)号:US20080027625A1

    公开(公告)日:2008-01-31

    申请号:US11881015

    申请日:2007-07-25

    IPC分类号: F02D41/30

    摘要: A method for detecting a preinjection in an internal combustion engine with a common-rail system, including individual accumulators, in which an individual accumulator pressure distribution is detected in a measurement interval and is used to determine an injection end of the main injection, in which a virtual injection start of the main injection is computed by a mathematical function as a function of the injection end, and in which the virtual injection start is set as the actual injection start of the main injection. With the preinjection activated, an actual injection delay for the main injection is determined as a function of the actual injection start, an injection delay deviation of a set injection delay from the actual injection delay is computed, and the injection delay deviation is used to determine whether a preinjection has occurred.

    摘要翻译: 一种利用共轨系统(包括各个蓄能器)在内燃机中检测预注射的方法,其中在测量间隔中检测到单独的蓄压器压力分布并用于确定主喷射的喷射端,其中 通过作为喷射端的函数的数学函数计算主喷射的虚拟喷射开始,并且将虚拟喷射开始设定为主喷射的实际喷射开始。 通过预注射激活,主喷射的实际喷射延迟被确定为实际喷射开始的函数,计算设定的喷射延迟与实际喷射延迟的喷射延迟偏差,并且喷射延迟偏差用于确定 是否发生预注意事项。

    Method for controlling an internal combustion engine
    4.
    发明申请
    Method for controlling an internal combustion engine 失效
    用于控制内燃机的方法

    公开(公告)号:US20080027624A1

    公开(公告)日:2008-01-31

    申请号:US11880935

    申请日:2007-07-25

    IPC分类号: F02D41/30

    摘要: A method for controlling an internal combustion engine with a common-rail system, in which a fuel quantity is computed from a measured fuel pressure distribution and in which the computed fuel quantity is set as the controlling value for controlling an injection. The fuel quantity is computed by measuring the pressure distribution (pE) of an individual accumulator, reproducing a modeled pressure distribution (pEMOD) according to the measured pressure distribution (pE) using a hydraulic model, and computing the fuel quantity from the hydraulic model.

    摘要翻译: 一种用于通过共轨系统控制内燃机的方法,其中从测量的燃料压力分布计算燃料量,并且其中计算的燃料量被设置为用于控制喷射的控制值。 通过测量单个蓄能器的压力分布(pE),使用液压模型根据测量的压力分布(pE)再现建模压力分布(pEMOD)并计算来自液压模型的燃料量来计算燃料量。

    Method for controlling an internal combustion engine
    8.
    发明授权
    Method for controlling an internal combustion engine 失效
    用于控制内燃机的方法

    公开(公告)号:US08214131B2

    公开(公告)日:2012-07-03

    申请号:US11880935

    申请日:2007-07-25

    IPC分类号: B60T7/12

    摘要: A method for controlling an internal combustion engine with a common-rail system, in which a fuel quantity is computed from a measured fuel pressure distribution and in which the computed fuel quantity is set as the controlling value for controlling an injection. The fuel quantity is computed by measuring the pressure distribution (pE) of an individual accumulator, reproducing a modeled pressure distribution (pEMOD) according to the measured pressure distribution (pE) using a hydraulic model, and computing the fuel quantity from the hydraulic model.

    摘要翻译: 一种用于通过共轨系统控制内燃机的方法,其中从测量的燃料压力分布计算燃料量,并且其中计算的燃料量被设置为用于控制喷射的控制值。 通过测量单个蓄能器的压力分布(pE),使用液压模型根据测量的压力分布(pE)再现建模压力分布(pEMOD)并计算来自液压模型的燃料量来计算燃料量。

    Method for detecting preinjection
    9.
    发明授权
    Method for detecting preinjection 失效
    检测注射前的方法

    公开(公告)号:US07493887B2

    公开(公告)日:2009-02-24

    申请号:US11881015

    申请日:2007-07-25

    IPC分类号: F02B5/00 F02M1/00

    摘要: A method for detecting a preinjection in an internal combustion engine with a common-rail system, including individual accumulators, in which an individual accumulator pressure distribution is detected in a measurement interval and is used to determine an injection end of the main injection, in which a virtual injection start of the main injection is computed by a mathematical function as a function of the injection end, and in which the virtual injection start is set as the actual injection start of the main injection. With the preinjection activated, an actual injection delay for the main injection is determined as a function of the actual injection start, an injection delay deviation of a set injection delay from the actual injection delay is computed, and the injection delay deviation is used to determine whether a preinjection has occurred.

    摘要翻译: 一种利用共轨系统(包括各个蓄能器)在内燃机中检测预注射的方法,其中在测量间隔中检测到单独的蓄压器压力分布并用于确定主喷射的喷射端,其中 通过作为喷射端的函数的数学函数计算主喷射的虚拟喷射开始,并且将虚拟喷射开始设定为主喷射的实际喷射开始。 通过预注射激活,主喷射的实际喷射延迟被确定为实际喷射开始的函数,计算设定的喷射延迟与实际喷射延迟的喷射延迟偏差,并且喷射延迟偏差用于确定 是否发生预注意事项。