公开(公告)号：US06640540B2

公开(公告)日：2003-11-04

申请号：US09978020

申请日：2001-10-17

Applicant: Masahiro Sato ,  Yoshihisa Iwaki ,  Masaki Ueno ,  Shusuke Akazaki ,  Yuji Yasui

Inventor： Masahiro Sato ,  Yoshihisa Iwaki ,  Masaki Ueno ,  Shusuke Akazaki ,  Yuji Yasui

IPC: F01N300

CPC classification number: F01N3/0835 ,  F01N3/0814 ,  F01N3/0871 ,  F01N3/0878 ,  F01N3/30 ,  F01N11/00 ,  F01N11/002 ,  F01N13/009 ,  F01N13/0097 ,  F01N2430/06 ,  F01N2550/03 ,  F01N2570/12 ,  Y02T10/47

Abstract: An adsorbent state determining apparatus is provided for accurately determining the state of an adsorbent including a deterioration as well as for allowing for recovery of the adsorbent if its adsorbent performance can be restored. The adsorbent state determining apparatus determines the state of an adsorbent for adsorbing hydrocarbons contained in exhaust gases. An upstream and a downstream temperature sensor are provided at upstream and downstream locations of the adsorbent in an exhaust system for detecting temperatures of exhaust gases upstream and downstream of the adsorbent. An engine water temperature sensor detects an operating state of the engine. An ECU estimates the temperature of the exhaust gas which should be detected downstream of the adsorbent during adsorption of the adsorbent based on the upstream temperature detected by the upstream temperature sensor and an engine water temperature of the engine detected by the engine water temperature sensor. The ECU then compares the estimated downstream temperature with the detected downstream temperature detected by the downstream temperature sensor during adsorption of the adsorbent to determine the adsorption state of the adsorbent.

公开(公告)号：US06449944B1

公开(公告)日：2002-09-17

申请号：US09743906

申请日：2001-01-17

Applicant: Yuji Yasui ,  Shusuke Akazaki ,  Yoshihisa Iwaki ,  Tadashi Satoh ,  Masaki Ueno

Inventor： Yuji Yasui ,  Shusuke Akazaki ,  Yoshihisa Iwaki ,  Tadashi Satoh ,  Masaki Ueno

IPC: F01N300

CPC classification number: F02D41/1403 ,  F01N11/007 ,  F01N2550/02 ,  F01N2900/0422 ,  F02D41/0235 ,  F02D41/1402 ,  F02D41/1441 ,  F02D41/1456 ,  F02D41/22 ,  F02D2041/1416 ,  F02D2041/1418 ,  F02D2041/142 ,  F02D2041/1423 ,  F02D2041/1431 ,  F02D2041/1432 ,  F02D2041/1433 ,  Y02T10/47

Abstract: A first exhaust gas sensor 5 (air-fuel ratio sensor) and a second exhaust gas sensor 6 (O2 sensor) are disposed respectively upstream and downstream of a catalytic converter. An exhaust system E which ranges from the exhaust gas sensor 5 to the exhaust gas sensor 6 and includes the catalytic converter 3 is regarded as an object exhaust system E, and a behavior of the object exhaust system E is modeled. When an internal combustion engine 1 is in operation, parameters to be set of the model of the object exhaust system E are sequentially identified based on the data of outputs of the exhaust gas sensors 5, 6. A deteriorated state of the catalytic converter 3 is determined based on the data of the identified values. Concurrent with the determination of the deteriorated state, a target air-fuel ratio for the internal combustion engine 1 is sequentially determined in order to converge the output of the exhaust gas sensor 5 to a given target value, and the air-fuel ratio of the internal combustion engine 1 is controlled to converge the output (the detected value of the air-fuel ratio) of the first exhaust gas sensor 5 to the target air-fuel ratio, for thereby allowing the catalytic converter 3 to achieve an optimum purifying capability. In this manner, the deteriorated state of the catalytic converter 3 can be determined in various operation states of the internal combustion engine 1 while keeping the purifying capability of the catalytic converter 3.

Abstract translation: 第一排气传感器5（空燃比传感器）和第二排气传感器6（O2传感器）分别设置在催化转化器的上游和下游。 从排气传感器5到排气传感器6并且包括催化转化器3的排气系统E被认为是对象排气系统E，并且对对象排气系统E的行为进行建模。 当内燃机1运转时，根据排气传感器5,6的输出数据，依次识别对象排气系统E的模型的参数，催化转化器3的劣化状态为 基于所识别的值的数据确定。 与劣化状态的判定同时，为了将排气传感器5的输出收敛到给定的目标值，依次确定内燃机1的目标空燃比，空燃比 控制内燃机1使第一废气传感器5的输出（空燃比的检测值）与目标空燃比收敛，从而使催化转化器3达到最佳的净化能力。 以这种方式，可以在保持催化转化器3的净化能力的同时，在内燃机1的各种运行状态下确定催化转化器3的劣化状态。

公开(公告)号：US06401451B1

公开(公告)日：2002-06-11

申请号：US09551210

申请日：2000-04-17

Applicant: Yuji Yasui ,  Yushihisa Iwaki ,  Tadashi Satoh ,  Masahiro Satoh

Inventor： Yuji Yasui ,  Yushihisa Iwaki ,  Tadashi Satoh ,  Masahiro Satoh

IPC: F01N300

CPC classification number: F01N3/101 ,  B01D53/9486 ,  F01N3/0835 ,  F01N3/0878 ,  F01N11/00 ,  F01N13/009 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2550/03 ,  Y02T10/22 ,  Y02T10/47

Abstract: A system for discriminating degradation of an exhaust purification system of an internal combustion engine having an adsorbent installed at a bypass exhaust gas passage branched from an exhaust pipe of the engine, which is opened by a switch-over valve at starting of the engine to introduce the exhaust gas such that the adsorbent adsorbs unburned HC in exhaust gas generated by the engine and is closed such that the adsorbent desorbs the adsorbed HC and the desorbed HC is thereafter recirculated at a position upstream of a catalyst. Based on the fact, due to the adsorption effect, the HC concentration at a downstream point is lower than that at an upstream point, in the system, the concentration of the HC introduced in the bypass exhaust gas passage in the adsorption mode is detected and compared with a threshold value and the degradation of the adsorbent is discriminated, thereby enabling to improve the discrimination accurately.

Abstract translation: 一种用于区分内燃机的排气净化系统的劣化的系统，该内燃机具有安装在从发动机的排气管分支的旁路废气通道的吸附剂，所述旁路废气通道在发动机起动时由切换阀打开以引入 排气，使得吸附剂吸收由发动机产生的废气中的未燃HC，并且关闭，使得吸附剂解吸所吸附的HC，然后解吸的HC在催化剂上游的位置处再循环。 基于这一事实，由于吸附效应，下游点的HC浓度低于上游点的HC浓度，在该系统中，检测在吸附模式中在旁路废气通道中引入的HC的浓度， 与阈值进行比较，并且鉴别出吸附剂的劣化，从而能够准确地提高鉴别度。

公开(公告)号：US06370473B1

公开(公告)日：2002-04-09

申请号：US09680480

申请日：2000-10-06

Applicant: Yuji Yasui ,  Shusuke Akazaki ,  Yoshihisa Iwaki

Inventor： Yuji Yasui ,  Shusuke Akazaki ,  Yoshihisa Iwaki

IPC: F02D4114

CPC classification number: F02D41/0082 ,  F02D41/1401 ,  F02D41/1402 ,  F02D41/1403 ,  F02D41/1443 ,  F02D41/1456 ,  F02D2041/1415 ,  F02D2041/1416 ,  F02D2041/1418 ,  F02D2041/142 ,  F02D2041/1423 ,  F02D2041/1431 ,  F02D2041/1433

Abstract: An exhaust system is regarded as being equivalent to a system for generating an output of an O2 sensor or exhaust gas sensor from a combined air-fuel ratio that is produced by combining outputs of air-fuel ratio sensors associated with respective cylinder groups according to a filtering process of the mixed model type. With the equivalent system as an object to be controlled, an exhaust system controller determines a target value for the combined air-fuel ratio, and determines a target air-fuel ratio for the cylinder groups from the target combined air-fuel ratio. The outputs of the air-fuel ratio sensors are converted to the target combined air-fuel ratio under feedback control.

Abstract translation: 排气系统被认为等同于用于根据组合的空燃比产生O2传感器或废气传感器的输出的系统，该组合空燃比是通过将根据相应的气缸组相关联的空燃比传感器的输出组合而产生的 混合模型类型的过滤过程。 利用作为被控制对象的等效系统，排气系统控制器确定组合空燃比的目标值，并根据目标组合空燃比确定气缸组的目标空燃比。 在反馈控制下，空燃比传感器的输出转换为目标组合空燃比。

公开(公告)号：US06286306B1

公开(公告)日：2001-09-11

申请号：US09498653

申请日：2000-02-07

Applicant: Shiro Takakura ,  Yuji Yasui ,  Tadashi Satoh ,  Yoshihisa Iwaki ,  Masaki Ueno ,  Masahiro Sato

Inventor： Shiro Takakura ,  Yuji Yasui ,  Tadashi Satoh ,  Yoshihisa Iwaki ,  Masaki Ueno ,  Masahiro Sato

IPC: F01N300

CPC classification number: B01D53/9495 ,  B01D53/9454 ,  F01N3/0835 ,  F01N3/0878 ,  F01N3/0885 ,  F01N3/101 ,  F01N13/009 ,  F01N13/0093 ,  F01N13/0097 ,  F02M26/15 ,  F02M26/48 ,  Y02T10/22

Abstract: A system for purifying exhaust gas generated by an internal combustion engine having a bypass exhaust gas passage branching from an exhaust pipe which is opened or closed by a switch-over valve, and an adsorbent which adsorbs unburneds component in the exhaust gas installed at the bypass exhaust passage. In the system, when the engine operation is within a high engine speed and high load region, the switch-over valve is operated to open the bypass exhaust gas passage to reduce noise due to switch-over valve chattering, etc. Similarly, the bypass exhaust gas passage is opened at that range, when the exhaust gas temperature is greater or equal to a predetermined value, to introduce high temperature exhaust gas to burn away cloggy material adhered to the adsorbent which would otherwise deteriorate or degrade the adsorbent.

Abstract translation: 一种用于净化由内燃机产生的废气的系统，该内燃机具有从由切换阀打开或关闭的排气管分支的旁通废气通道，以及吸附在旁路旁的排气中的未燃烧成分 排气通道。 在该系统中，当发动机运转在高发动机转速和高负载区域内时，切换阀被操作以打开旁路废气通道，以减少切换阀颤动等引起的噪音。类似地，旁路 废气通道在该范围内打开，当废气温度大于或等于预定值时，引入高温废气以消除附着在吸附剂上的阻塞材料，否则会使吸附剂劣化或降解。

公开(公告)号：US06230486B1

公开(公告)日：2001-05-15

申请号：US09465395

申请日：1999-12-17

Applicant: Yuji Yasui ,  Shusuke Akazaki ,  Tadashi Sato ,  Masaki Ueno ,  Yoshihisa Iwaki

Inventor： Yuji Yasui ,  Shusuke Akazaki ,  Tadashi Sato ,  Masaki Ueno ,  Yoshihisa Iwaki

IPC: F01N300

CPC classification number: F02D41/1441 ,  F02D41/1402 ,  F02D41/1403 ,  F02D41/1456 ,  G05B13/0255

Abstract: A plant control system has a reference value setting unit for variably setting a reference value for an air-fuel ratio to be given to an exhaust system including a catalytic converter, depending on a component based on an adaptive control law of a manipulated variable of the air-fuel ratio generated by a controller according to an adaptive sliding mode control process in order to converge an output of an O2 sensor disposed downstream of the catalytic converter to a target value. The manipulated variable generated by the controller represents the difference between the air-fuel ratio and the reference value, required to converge the output of the O2 sensor to the target value.

Abstract translation: 工厂控制系统具有参考值设定单元，用于根据构成要素的操作变量的自适应控制定律，根据构成要素，对包含催化转换器的排气系统进行空燃比的基准值的可变设定 由控制器根据自适应滑动模式控制过程产生的空燃比，以将设置在催化转化器下游的O2传感器的输出收敛到目标值。 由控制器产生的操纵变量表示将O2传感器的输出收敛到目标值所需的空燃比和参考值之间的差。

公开(公告)号：US5980138A

公开(公告)日：1999-11-09

申请号：US750806

申请日：1996-12-23

Applicant: Tsugio Shiozaki ,  Takeshi Tashiro ,  Yuji Yasui

Inventor： Tsugio Shiozaki ,  Takeshi Tashiro ,  Yuji Yasui

IPC: B41J2/32 ,  B41J3/407 ,  B41J11/42 ,  B41J15/04 ,  B41J29/02 ,  B65C9/42 ,  B65C11/02

CPC classification number: B65C11/0289 ,  B41J11/42 ,  B41J15/042 ,  B41J2/32 ,  B41J29/02 ,  B41J3/4075 ,  B65C9/42 ,  B41J2202/31 ,  B65C2210/0029

Abstract: A base sheet path for peeled issue for guiding a base sheet in a direction different from a label issue port after passing a peeling section following the printing by a printing section and a base sheet path for continuous issue for guiding the base sheet to the label issue port with labels printed by the printing section stuck on the base sheet are provided. Two operating modes, namely, the label peeled issue mode in which the base sheet is set to the base sheet path for peeled issue and the label continuous issue mode in which the base sheet is set to the base sheet path for continuous issue are executed selectively. In this case, depending on the result of detection by a base sheet sensor arranged facing the base sheet path for peeled issue for detecting the presence of the base sheet, namely, depending on the setting state of the base sheet, the label peeled issue mode or the label continuous issue mode is recognized automatically for determining the issue mode. Namely, depending on the difference between the positions at which the base sheet is set in the label peeled issue mode and the label continuous issue mode, the label issue mode is recognized without adding an issue mode parameter to an issue command.

Abstract translation: PCT No.PCT / JP96 / 01174 Sec。 371日期：1996年12月23日 102（e）日期1996年12月23日PCT提交1996年4月26日PCT公布。 第WO96 / 33914号公报 日期1996年10月31日在通过印刷部分印刷之后的剥离部分和用于引导基底的连续发布的基片通路之后，沿着与标签发行端口不同的方向引导基片的剥离问题的基片通路 提供了标签发行端口，其中标签印在印刷部分上的标签卡在基板上。 执行两种操作模式，即将基片设置为用于剥离的基片的标签剥离发布模式和将基片设置为连续发布的基片路径的标签连续发布模式，选择性地执行 。 在这种情况下，根据基片传感器检测出的基片传感器的检测结果，用于检测基片的存在的剥离问题，即根据基片的设置状态，标签剥离发布模式 或者自动识别标签连续发行模式以确定发行模式。 也就是说，根据在标签剥离发行模式中设置基板的位置与标签连续发布模式之间的差异，识别标签发行模式而不向发行命令添加发行模式参数。

公开(公告)号：US5797261A

公开(公告)日：1998-08-25

申请号：US688857

申请日：1996-07-31

Applicant: Shusuke Akazaki ,  Yoichi Nishimura ,  Yuji Yasui

Inventor： Shusuke Akazaki ,  Yoichi Nishimura ,  Yuji Yasui

IPC: F02D45/00 ,  F02D41/14 ,  F01N3/20

CPC classification number: F02D41/1402 ,  F02D41/1441 ,  F02D41/1456 ,  F02D2041/1409 ,  F02D2041/1415 ,  F02D2041/1418 ,  F02D2041/142 ,  F02D2041/1426 ,  F02D2041/1433

Abstract: An air-fuel ratio control system for an internal combustion engine has a first air-fuel ratio sensor arranged in an exhaust passage at a location upstream of a catalyst and a second air-fuel ratio sensor arranged in the exhaust passage at a location downstream of the catalyst. In response to an output from the first air-fuel ratio sensor, an air-fuel ratio correction coefficient is calculated for correcting an amount of fuel supplied to the engine in a manner such that an air-fuel ratio of a mixture supplied to the engine is converged to a desired air-fuel ratio. In response to an output from the second air-fuel ratio sensor, a desired air-fuel ratio correction amount is calculated for correcting the desired air-fuel ratio. A learned value of the desired air-fuel ratio correction amount is calculated, and the desired air-fuel ratio is corrected. Calculation of the learned value of the desired air-fuel ratio correction amount is permitted depending on a ratio between a time period over which the output from the second air-fuel ratio sensor is on a richer side with respect to a predetermined reference value and a time period over which the output from the second air-fuel ratio sensor is on a leaner side with respect to the predetermined reference value.

Abstract translation: 用于内燃机的空燃比控制系统具有布置在催化剂上游位置的排气通道中的第一空燃比传感器和布置在排气通道中位于催化剂上游的位置处的第二空燃比传感器 催化剂。 响应于第一空燃比传感器的输出，计算空燃比校正系数，以校正供应给发动机的燃料量，使得供应给发动机的混合物的空燃比 收敛到期望的空燃比。 响应于来自第二空燃比传感器的输出，计算出期望的空燃比校正量，以校正期望的空燃比。 计算所需空燃比校正量的学习值，校正所需的空燃比。 根据第二空燃比传感器的输出相对于预定参考值在更丰富的一侧的时间段与第二空燃比传感器的输出相对于预定的参考值之间的比率，可以计算所需的空燃比校正量的学习值 来自第二空燃比传感器的输出相对于预定参考值处于较瘦侧的时间段。

公开(公告)号：US08762307B2

公开(公告)日：2014-06-24

申请号：US13282086

申请日：2011-10-26

Applicant: Eiji Hashimoto ,  Yuji Yasui ,  Hisao Haga ,  Koichi Nakajima

Inventor： Eiji Hashimoto ,  Yuji Yasui ,  Hisao Haga ,  Koichi Nakajima

IPC: G06F15/18 ,  G05B13/02 ,  G06N3/02

CPC classification number: G06N3/02 ,  F02D13/0226 ,  F02D28/00 ,  F02D41/0002 ,  F02D41/0047 ,  F02D41/1405 ,  F02D2041/0017 ,  F02M26/05 ,  F02M26/06 ,  F02M26/10 ,  F02M26/15 ,  F02M26/24 ,  F02M26/48 ,  G05B13/027 ,  Y02T10/18

Abstract: A control system for a plant e.g. as a non-linear system, which is capable of properly suppressing interaction occurring between a plurality of control inputs and a plurality of controlled variables, thereby making it possible to properly control the controlled variables and easily design the control system. In the control system, each of a plurality of interaction suppression parameters for correcting the control inputs, respectively, such that the interaction is suppressed is calculated using a neural network constructed by using, out of the plurality of control inputs, a control input other than a control input corrected by a calculated interaction suppression parameter, as an input, and the interaction suppression parameter as an output.

Abstract translation: 用于植物的控制系统。 作为非线性系统，其能够适当地抑制在多个控制输入和多个受控变量之间发生的交互，从而使得可以适当地控制受控变量并容易地设计控制系统。 在控制系统中，分别使用通过使用在多个控制输入中使用除了多个控制输入之外的控制输入构成的神经网络来分别校正控制输入以使得交互被抑制的多个交互抑制参数中的每一个 通过计算的交互抑制参数校正的控制输入作为输入，并且交互抑制参数作为输出。

公开(公告)号：US08671665B2

公开(公告)日：2014-03-18

申请号：US13005398

申请日：2011-01-12

Applicant: Yuji Yasui

Inventor： Yuji Yasui

IPC: F01N11/00 ,  F01N3/18

CPC classification number: F02D41/0295 ,  F01N3/208 ,  F01N13/008 ,  F01N13/009 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2560/021 ,  F01N2560/025 ,  F01N2570/14 ,  F01N2610/02 ,  F01N2610/06 ,  F01N2900/1402 ,  F01N2900/1622 ,  F02D41/0275 ,  F02D41/1441 ,  F02D41/1475 ,  F02D2041/1468 ,  Y02A50/2344 ,  Y02T10/24

Abstract: An exhaust gas purifying apparatus for an internal combustion engine is provided. The apparatus includes a first catalyst and a second catalyst. The first catalyst is provided in an exhaust passage of the engine, and can remove NOx in exhaust gases from the engine when an air-fuel ratio of an air-fuel mixture burning in the engine is in the vicinity of the stoichiometric ratio. The second catalyst is provided downstream of the first catalyst, an can remove NOx in the exhaust gases using a reducing agent. An execution condition of a lean operation in which the air-fuel ratio is set to a lean air-fuel ratio which is leaner than the stoichiometric ratio, is determined. When switching the air-fuel ratio from an air-fuel ratio in the vicinity of the stoichiometric ratio to the lean air-fuel ratio, the air-fuel ratio is controlled to a rich air-fuel ratio which is richer than the stoichiometric ratio, during a lean transition period from the time the execution condition is satisfied. The air-fuel ratio is controlled to the lean air-fuel ratio after the lean transition period has elapsed.

Abstract translation: 提供一种用于内燃机的废气净化装置。 该装置包括第一催化剂和第二催化剂。 第一催化剂设置在发动机的排气通道中，并且当在发动机中燃烧的空气燃料混合物的空燃比在化学计量比附近时，能够从发动机排出废气中的NOx。 第二催化剂设置在第一催化剂的下游，可以使用还原剂除去废气中的NOx。 确定将空燃比设定为比化学计量比稀的稀空燃比的稀薄运转的执行条件。 当将空燃比从化学计量比附近的空燃比转换为稀空燃比时，将空燃比控制为比化学计量比更浓的浓空燃比， 在执行条件满足时的精简过渡期间。 经过稀薄过渡期之后，将空燃比控制在稀空燃比。