公开(公告)号：US20130177482A1

公开(公告)日：2013-07-11

申请号：US13807191

申请日：2011-08-22

申请人： Yoshikatsu Ikawa ,  Hiroyuki Endo ,  Kazunari Ide ,  Ko Takayanagi

发明人： Yoshikatsu Ikawa ,  Hiroyuki Endo ,  Kazunari Ide ,  Ko Takayanagi

IPC分类号： B01D53/94

CPC分类号： B01D53/9495 ,  F01N3/106 ,  F01N2900/1602 ,  F02D41/0235 ,  F02D41/0245 ,  F02D41/025 ,  F02D41/029 ,  F02D41/1401 ,  F02D41/1446 ,  F02D41/405 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/0802 ,  F02D2200/101 ,  Y02T10/26 ,  Y02T10/44

摘要： A DPF target temperature setting unit has a temperature increase rate setting portion which sets a temperature increase change rate such that, until a target set temperature at which PM is burnt is reached after the start of late post injection, the temperature increase change rate is reduced in accordance with an increase in temperature or a period of time elapsed since the start of the late post injection, a stepwise temperature increase change rate in the temperature increase rate setting portion includes two stages of a first-stage change rate A and a second-stage change rate B lower than the first-stage change rate, and a target temperature of the DPF temperature is calculated by using the temperature increase rate of the temperature increase rate setting portion.

摘要翻译： DPF目标温度设定单元具有升温速度设定部，其设定升温变化率，使得在后期喷射开始后到达PM被燃烧的目标设定温度之前，升温变化率降低 根据从后期喷射开始起经过的温度或经过的时间段，温度上升率设定部分的逐步升温变化率包括第一阶段变化率A和第二阶段变化率A， 阶段变化率B低于第一阶段变化率，并且通过使用升温速率设定部的升温速度来计算DPF温度的目标温度。

公开(公告)号：US08893474B2

公开(公告)日：2014-11-25

申请号：US13807191

申请日：2011-08-22

申请人： Yoshikatsu Ikawa ,  Hiroyuki Endo ,  Kazunari Ide ,  Ko Takayanagi

发明人： Yoshikatsu Ikawa ,  Hiroyuki Endo ,  Kazunari Ide ,  Ko Takayanagi

IPC分类号： F01N3/00 ,  F02D41/02 ,  F02D41/14 ,  F02D41/40 ,  F01N3/10 ,  B01D53/94

CPC分类号： B01D53/9495 ,  F01N3/106 ,  F01N2900/1602 ,  F02D41/0235 ,  F02D41/0245 ,  F02D41/025 ,  F02D41/029 ,  F02D41/1401 ,  F02D41/1446 ,  F02D41/405 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/0802 ,  F02D2200/101 ,  Y02T10/26 ,  Y02T10/44

摘要： A DPF target temperature setting unit has a temperature increase rate setting portion which sets a temperature increase change rate such that, until a target set temperature at which PM is burnt is reached after the start of late post injection, the temperature increase change rate is reduced in accordance with an increase in temperature or a period of time elapsed since the start of the late post injection, a stepwise temperature increase change rate in the temperature increase rate setting portion includes two stages of a first-stage change rate A and a second-stage change rate B lower than the first-stage change rate, and a target temperature of the DPF temperature is calculated by using the temperature increase rate of the temperature increase rate setting portion.

摘要翻译： DPF目标温度设定单元具有升温速度设定部，其设定升温变化率，使得在后期喷射开始后到达PM被燃烧的目标设定温度之前，升温变化率降低 根据从后期喷射开始起经过的温度或经过的时间段，温度上升率设定部分的逐步升温变化率包括第一阶段变化率A和第二阶段变化率A， 阶段变化率B低于第一阶段变化率，并且通过使用升温速率设定部的升温速度来计算DPF温度的目标温度。

公开(公告)号：US09162184B2

公开(公告)日：2015-10-20

申请号：US13807408

申请日：2011-08-22

申请人： Kazunari Ide ,  Yoshikatsu Ikawa

发明人： Kazunari Ide ,  Yoshikatsu Ikawa

IPC分类号： F01N3/025 ,  F01N3/00 ,  F01N3/035 ,  B01D53/94 ,  F01N9/00 ,  F02D41/02 ,  F02D41/14 ,  F01N13/00 ,  F01N3/10 ,  F02B37/00

CPC分类号： B01D53/9495 ,  F01N3/106 ,  F01N9/002 ,  F01N13/0097 ,  F01N2900/0408 ,  F01N2900/0418 ,  F01N2900/1602 ,  F02B37/00 ,  F02D41/029 ,  F02D41/1445 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2041/1422 ,  F02D2200/0802 ,  Y02T10/47

摘要： An exhaust gas purification system includes a feedforward controller 47, a feedback controller 49 outputting a correcting variable for achieving a target temperature of DPF 7, and a variable adding unit 51 that adds the correcting variable output from the feedback controller 49 to a basic variable output from the feedforward controller 47 to compute a manipulated variable. The system further includes either one of an integrator resetter 55 that resets the integral value of an integrator that forms the feedback controller 49 when the amount of exhaust gas has suddenly dropped, and a basic variable calculating unit that calculates the basic variable to be output from the feedforward controller based on a signal representing the flow rate of exhaust gas.

摘要翻译： 排气净化系统包括前馈控制器47，输出用于实现DPF 7的目标温度的校正变量的反馈控制器49以及将从反馈控制器49输出的校正变量与基本变量输出相加的变量加法单元51 从前馈控制器47计算操纵变量。 该系统还包括积分器复位器55中的任何一个，当排气量突然下降时，积分器复位器55复位形成反馈控制器49的积分器的积分值;以及基本变量计算单元，其计算从 基于表示废气流量的信号的前馈控制器。

公开(公告)号：US08869606B2

公开(公告)日：2014-10-28

申请号：US13386142

申请日：2010-06-11

申请人： Yoshikatsu Ikawa ,  Masato Mitsuhashi ,  Kazunari Ide

发明人： Yoshikatsu Ikawa ,  Masato Mitsuhashi ,  Kazunari Ide

IPC分类号： G01M15/10 ,  F01N9/00 ,  F01N3/021 ,  F02D41/14

CPC分类号： F01N9/002 ,  F01N3/021 ,  F01N2900/1606 ,  F02D41/1456 ,  F02D41/1467 ,  F02D2200/0812 ,  Y02T10/20 ,  Y02T10/47

摘要： Providing a PM emission amount estimation device for the diesel engine wherein the accuracy of the correction in correcting the basic level of the PM emission amount by use of the PM emission amount estimation map can be enhanced; and, the PM emission amount particularly during the transient state of the engine operation condition can be accurately computed so as to estimate, with high precision, the PM emission amount and the PM emission accumulated-amount (integrated amount) during the whole engine operation conditions including the transient state as well as the steady state. A PM emission amount estimation device for estimating the amount of the PM for estimating the amount of the PM that is emitted from a diesel engine and collected by a DPF provided in the exhaust gas passage of the engine, the device including, but not limited to: a PM emission amount estimation base-map 3 with which the base PM emission amount is computed in response to the operation condition of the engine; a PM emission amount estimation correction-map 5 that determines a correction factor for correcting the base PM emission amount computed by the PM emission amount estimation base-map 3, the correction factor being determined in response to the transient engine operation condition; a transient state judgment device 7 that judges that the engine is operated in a transient operation condition based on the change of the air excess ratio regarding the engine; a PM emission amount computation device 9 that corrects the computed base PM emission amount by multiplying the computed base PM emission amount by the correction factor computed with the PM emission amount estimation correction-map 5 only in a case where it is judged, by the transient state judgment device 7, that the engine is in a transient operation condition whereas the base PM emission amount is directly outputted in a case where it is judged that the engine is in a steady operation condition.

公开(公告)号：US20130108511A1

公开(公告)日：2013-05-02

申请号：US13807408

申请日：2011-08-22

申请人： Kazunari Ide ,  Yoshikatsu Ikawa

发明人： Kazunari Ide ,  Yoshikatsu Ikawa

IPC分类号： B01D53/94

CPC分类号： B01D53/9495 ,  F01N3/106 ,  F01N9/002 ,  F01N13/0097 ,  F01N2900/0408 ,  F01N2900/0418 ,  F01N2900/1602 ,  F02B37/00 ,  F02D41/029 ,  F02D41/1445 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2041/1422 ,  F02D2200/0802 ,  Y02T10/47

摘要： An exhaust gas purification system includes a feedforward controller 47, a feedback controller 49 outputting a correcting variable for achieving a target temperature of DPF 7, and a variable adding unit 51 that adds the correcting variable output from the feedback controller 49 to a basic variable output from the feedforward controller 47 to compute a manipulated variable. The system further includes either one of an integrator resetter 55 that resets the integral value of an integrator that forms the feedback controller 49 when the amount of exhaust gas has suddenly dropped, and a basic variable calculating unit that calculates the basic variable to be output from the feedforward controller based on a signal representing the flow rate of exhaust gas.

摘要翻译： 排气净化系统包括前馈控制器47，输出用于实现DPF 7的目标温度的校正变量的反馈控制器49以及将从反馈控制器49输出的校正变量与基本变量输出相加的变量加法单元51 从前馈控制器47计算操纵变量。 该系统还包括积分器复位器55中的任何一个，当排气量突然下降时，积分器复位器55复位形成反馈控制器49的积分器的积分值;以及基本变量计算单元，其计算从 基于表示废气流量的信号的前馈控制器。

公开(公告)号：US20120174653A1

公开(公告)日：2012-07-12

申请号：US13386142

申请日：2010-06-11

申请人： Yoshikatsu Ikawa ,  Masato Mitsuhashi ,  Kazunari Ide

发明人： Yoshikatsu Ikawa ,  Masato Mitsuhashi ,  Kazunari Ide

IPC分类号： F01N11/00

CPC分类号： F01N9/002 ,  F01N3/021 ,  F01N2900/1606 ,  F02D41/1456 ,  F02D41/1467 ,  F02D2200/0812 ,  Y02T10/20 ,  Y02T10/47

摘要： Providing a PM emission amount estimation device for the diesel engine wherein the accuracy of the correction in correcting the basic level of the PM emission amount by use of the PM emission amount estimation map can be enhanced; and, the PM emission amount particularly during the transient state of the engine operation condition can be accurately computed so as to estimate, with high precision, the PM emission amount and the PM emission accumulated-amount (integrated amount) during the whole engine operation conditions including the transient state as well as the steady state. A PM emission amount estimation device for estimating the amount of the PM for estimating the amount of the PM that is emitted from a diesel engine and collected by a DPF provided in the exhaust gas passage of the engine, the device including, but not limited to: a PM emission amount estimation base-map 3 with which the base PM emission amount is computed in response to the operation condition of the engine; a PM emission amount estimation correction-map 5 that determines a correction factor for correcting the base PM emission amount computed by the PM emission amount estimation base-map 3, the correction factor being determined in response to the transient engine operation condition; a transient state judgment device 7 that judges that the engine is operated in a transient operation condition based on the change of the air excess ratio regarding the engine; a PM emission amount computation device 9 that corrects the computed base PM emission amount by multiplying the computed base PM emission amount by the correction factor computed with the PM emission amount estimation correction-map 5 only in a case where it is judged, by the transient state judgment device 7, that the engine is in a transient operation condition whereas the base PM emission amount is directly outputted in a case where it is judged that the engine is in a steady operation condition.

公开(公告)号：US20120130623A1

公开(公告)日：2012-05-24

申请号：US13388156

申请日：2011-01-13

申请人： Kazunari Ide ,  Ko Takayanagi ,  Hiroyoshi Kubo

发明人： Kazunari Ide ,  Ko Takayanagi ,  Hiroyoshi Kubo

IPC分类号： F02D41/26 ,  F02D28/00

CPC分类号： F02D41/0077 ,  F02D35/0007 ,  F02D41/0002 ,  F02D41/0052 ,  F02D41/221 ,  F02D2041/1409 ,  F02M26/05 ,  F02M26/22 ,  F02M26/23 ,  Y02T10/42 ,  Y02T10/47

摘要： A control device of a control valve used for an intake air-gas system of an engine, the device including, but not limited to: the control valve which is an intake air throttle valve provided in the intake air-gas system provided in the intake air-gas system of the engine to control the flow rate of intake air to the engine, or an EGR valve provided in the intake air-gas system of the engine to control the flow rate of EGR gas to the engine; and a control unit which determines a target opening of the control valve in response to the operation conditions of the engine, and controls the opening of the control valve so that the opening conforms with the target opening, wherein the control unit is configured so that, in a case where the target opening is maintained at a same level during over a fixed duration, the target opening is changed, in time, from the target opening which is determined in response to the operation conditions of the engine and controls the opening of the control valve, in order to prevent the control valve from being out of order as well as in order to detect a failure of the control valve.

摘要翻译： 一种用于发动机的进气系统的控制阀的控制装置，该装置包括但不限于：作为设置在进气系统中的进气节气门的控制阀 用于控制发动机的进气量的流量，或设置在发动机的进气气体系统中的EGR阀，以控制发动机的EGR气体的流量; 以及控制单元，其响应于发动机的操作条件来确定所述控制阀的目标开度，并且控制所述控制阀的打开，使得所述开口符合所述目标开度，其中所述控制单元被配置为， 在目标开度在固定持续时间内保持在相同水平的情况下，目标开度在时间上从根据发动机的运行状态确定的目标开度变化，并控制 控制阀，以防止控制阀故障以及检测控制阀的故障。

公开(公告)号：US09500148B2

公开(公告)日：2016-11-22

申请号：US13388156

申请日：2011-01-13

申请人： Kazunari Ide ,  Ko Takayanagi ,  Hiroyoshi Kubo

发明人： Kazunari Ide ,  Ko Takayanagi ,  Hiroyoshi Kubo

IPC分类号： F02D41/00 ,  F02D35/00 ,  F02D41/22 ,  F02D41/14

CPC分类号： F02D41/0077 ,  F02D35/0007 ,  F02D41/0002 ,  F02D41/0052 ,  F02D41/221 ,  F02D2041/1409 ,  F02M26/05 ,  F02M26/22 ,  F02M26/23 ,  Y02T10/42 ,  Y02T10/47

摘要： A control device of a control valve used for an intake air-gas system of an engine. The device includes, but is not limited to: the control valve which is an intake air throttle valve provided in the intake air-gas system provided in the intake air-gas system of the engine to control the flow rate of intake air to the engine, or an EGR valve provided in the intake air-gas system of the engine to control the flow rate of EGR gas to the engine; and a control unit which determines a target opening of the control valve in response to the operation conditions of the engine, and controls the opening of the control valve so that the opening conforms with the target opening.

摘要翻译： 用于发动机的进气气体系统的控制阀的控制装置。 该装置包括但不限于：控制阀，其设置在设置在发动机的进气气体系统中的进气气体系统中的进气节流阀，以控制到发动机的进气的流量 或设置在发动机的进气气体系统中的EGR阀，以控制发动机的EGR气体的流量; 以及控制单元，其响应于发动机的操作条件来确定控制阀的目标开度，并且控制控制阀的打开，使得开口符合目标开度。

公开(公告)号：US08897994B2

公开(公告)日：2014-11-25

申请号：US13388106

申请日：2010-06-11

申请人： Kazunari Ide ,  Hiroyuki Endo

发明人： Kazunari Ide ,  Hiroyuki Endo

IPC分类号： F02D41/24 ,  F02M25/07 ,  F02D41/00 ,  F02D41/14 ,  F02D41/10 ,  F02D41/18

CPC分类号： F02D41/005 ,  F02D41/107 ,  F02D41/1401 ,  F02D41/1458 ,  F02D41/18 ,  F02D2041/0017 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/0406 ,  F02D2200/0414 ,  F02D2200/0614 ,  F02D2200/101 ,  F02M26/05 ,  Y02T10/47

摘要： An exhaust gas recirculation control device is provided with a feedback control unit and a feed-forward control unit, wherein the device is provided with: an adder which adds a feed-forward control command signal to a feedback control command signal; and a maximum selection function-section which compares an added value obtained by the adder with a feed-forward control command signal or a command signal from an EGR valve maximum opening map, and selects the command signal by which the valve opening of the EGR control valve is brought to a closed side, wherein the command signal by which the valve opening of the EGR control valve is brought to an opened side is not outputted.

摘要翻译： 排气再循环控制装置设置有反馈控制单元和前馈控制单元，其中装置具有：将前馈控制命令信号与反馈控制命令信号相加的加法器; 以及最大选择功能部，其将由加法器获得的相加值与来自EGR阀最大开度图的前馈控制命令信号或命令信号进行比较，并且选择EGR控制的阀开度的指令信号 阀被带到封闭侧，其中不输出EGR控制阀的开度的打开侧的指令信号。

公开(公告)号：US20120125301A1

公开(公告)日：2012-05-24

申请号：US13388106

申请日：2010-06-11

申请人： Kazunari Ide ,  Hiroyuki Endo

发明人： Kazunari Ide ,  Hiroyuki Endo

IPC分类号： F02B47/08

CPC分类号： F02D41/005 ,  F02D41/107 ,  F02D41/1401 ,  F02D41/1458 ,  F02D41/18 ,  F02D2041/0017 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/0406 ,  F02D2200/0414 ,  F02D2200/0614 ,  F02D2200/101 ,  F02M26/05 ,  Y02T10/47

摘要： Providing an exhaust gas recirculation control device of an internal combustion engine by which overshoots or undershoots of an EGR control valve can be prevented, and the tracking performance as to target openings as well as the reliability of the device can be enhanced based on simple control logic. An exhaust gas recirculation control device, being provided with: a feedback control unit 51, and a feed-forward control unit 57, wherein the device is provided with: an adder 73 which adds a feed-forward control command signal 57 to a feedback control command signal 65; and a maximum selection function-section 77 which compares an added value obtained by the adder 73 with a feed-forward control command signal 57 or a command signal from an EGR valve maximum opening map, and selects the command signal by which the valve opening of the EGR control valve is brought to a closed side, wherein the command signal by which the valve opening of the EGR control valve is brought to an opened side is not outputted.

摘要翻译： 提供可以防止EGR控制阀的过冲或下冲的内燃机的废气再循环控制装置，并且可以基于简单的控制逻辑来提高针对目标开度的跟踪性能以及装置的可靠性 。 一种废气再循环控制装置，具有：反馈控制单元51和前馈控制单元57，其中装置设置有：加法器73，其将前馈控制指令信号57与反馈控制 指令信号65; 以及最大选择功能部77，其将由加法器73获得的相加值与前馈控制指令信号57或来自EGR阀最大开度图的指令信号进行比较，并选择指示信号， EGR控制阀被带到关闭侧，其中不输出EGR控制阀的阀开启到打开侧的指令信号。