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1. 发明授权

US06904355B2 Vehicle controller for controlling an air-fuel ratio 有权
标题翻译：用于控制空燃比的车辆控制器
公开(公告)号：US06904355B2
公开(公告)日：2005-06-07
申请号：US10635464
申请日：2003-08-07
申请人： Yuji Yasui , Yoshihisa Iwaki , Akihiro Shinjo
发明人： Yuji Yasui , Yoshihisa Iwaki , Akihiro Shinjo
IPC分类号： F02D45/00 , F01N3/24 , F02D41/02 , F02D41/14 , G05B13/02 , G05B21/02 , B60T7/12
CPC分类号： F02D41/1454 , F02D41/0235 , F02D41/1402 , F02D41/1403 , F02D41/1441 , F02D41/1456 , F02D2041/142 , F02D2041/1423 , F02D2041/1431 , F02D2041/1432 , G05B13/0255 , G05B21/02
摘要： A vehicle controller for controlling the air-fuel ratio of an engine is provided. In one embodiment, the controller comprises a first exhaust gas sensor provided downstream of the catalyst for detecting oxygen concentration of exhaust gas, a first decimation filter connected to the first exhaust gas sensor, and a control unit connected to the first decimation filter. The control unit determines a manipulated variable for manipulating the air-fuel ratio. The first decimation filter oversamples, low-pass filters and then downsamples the output of the first exhaust gas sensor. The first decimation filter can remove chemical noise from the output of the exhaust gas sensor. In another embodiment, a second decimation filter is connected to a second exhaust gas sensor provided upstream of the catalyst for detecting the air-fuel ratio of the exhaust gas. The second decimation filter oversamples, low-pass filters and then downsamples the output of the second exhaust gas sensor. The second decimation filter can compensate the shortage of resolution of the air-fuel ratio sensor.
摘要翻译：提供了一种用于控制发动机的空燃比的车辆控制器。在一个实施例中，控制器包括设置在用于检测废气氧浓度的催化剂下游的第一废气传感器，连接到第一排气传感器的第一抽取滤波器和连接到第一抽取滤波器的控制单元。控制单元确定用于操纵空燃比的操纵变量。第一抽取滤波器过采样低通滤波器，然后对第一排气传感器的输出进行下采样。第一抽取滤波器可以从废气传感器的输出中去除化学噪声。在另一个实施例中，第二抽取滤波器连接到设置在用于检测排气的空燃比的催化剂上游的第二排气传感器。第二抽取滤波器过采样低通滤波器，然后对第二排气传感器的输出进行下采样。第二抽取滤波器可以补偿空燃比传感器的分辨率不足。

2. 发明申请

US20050252497A1 Device and method of controlling exhaust gas sensor temperature, and recording medium for exhaust gas senso rtemperature control program 失效
标题翻译：控制废气传感器温度的装置和方法，以及废气感温控制程序的记录介质
公开(公告)号：US20050252497A1
公开(公告)日：2005-11-17
申请号：US10511540
申请日：2003-03-28
申请人： Yuji Yasui , Yoshihisa Iwaki
发明人： Yuji Yasui , Yoshihisa Iwaki
IPC分类号： G01N27/409 , F02D41/14 , F02D45/00 , G01K7/42 , F02D41/00 , G01N7/00
CPC分类号： F02D41/1454 , G01K7/42
摘要： A sensor temperature control means (18) for controlling the temperature of an active element (10) of an exhaust gas sensor (O2 sensor) (8) disposed in an exhaust passage (3) estimates the temperatures of the active element (10) and a heater (13) based on an element temperature model which is representative of a temperature change of the active element due to heat transfer between the active element (10) and the heater (13) which heats the active element and heat transfer between the active element (10) and an exhaust gas, and a heater temperature model which is representative of a temperature change of the heater due to heat transfer between the active element (10) and the heater (13) and the supply of electric power to the heater (13), and controls the heater (13) to equalize the temperature of the active element (10) or the heater (13) with a predetermined target temperature using estimated values of the temperatures. It is possible to accurately estimate the temperature of the active element (10) of the exhaust gas sensor (8) or the heater (13), and control the temperature of the active element (10) of the exhaust gas sensor (8) stably at a desired temperature using an estimated value of the temperature.
摘要翻译：用于控制设置在排气通道（3）中的排气传感器（O 2传感器）（8）的有源元件（10）的温度的传感器温度控制装置（18）估计温度的有源元件（10）和加热器（13），其基于元件温度模型，其代表由于有源元件（10）和加热器（13）之间的热传递而导致的有源元件的温度变化，有源元件（10）和排气之间的有源元件和热传递，以及代表加热器由于有源元件（10）和加热器（13）之间的传热引起的温度变化的加热器温度模型，以及向加热器（13）供应电力，并且使用估计的温度值来控制加热器（13）以预定的目标温度来均衡有源元件（10）或加热器（13）的温度。可以精确地估计排气传感器（8）或加热器（13）的有源元件（10）的温度，并且可以稳定地控制排气传感器（8）的有源元件（10）的温度在所需温度下使用估计的温度值。

3. 发明授权

US06327850B1 Air-fuel ratio control apparatus for multicylinder internal combustion engine 有权
标题翻译：用于多缸内燃机的空燃比控制装置
公开(公告)号：US06327850B1
公开(公告)日：2001-12-11
申请号：US09680482
申请日：2000-10-06
申请人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
发明人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
IPC分类号： F01N300
CPC分类号： F02D41/0082 , F02D41/1401 , F02D41/1402 , F02D41/1403 , F02D2041/141 , F02D2041/1415 , F02D2041/1416 , F02D2041/1418 , F02D2041/142 , F02D2041/1423 , F02D2041/1431 , F02D2041/1433
摘要： An object system is regarded as being equivalent to a system for generating an output of an O2 sensor or exhaust gas sensor from a target combined air-fuel ratio that is produced by combining target air-fuel ratios KCMD for respective cylinder groups according to a filtering process of the mixed model type. With the equivalent system as an object to be controlled, an air-fuel ratio processing controller determines a target combined air-fuel ratio, and determines a target air-fuel ratio KCMD for each of the cylinder groups from the target combined air-fuel ratio. The air-fuel ratios in the cylinder groups are manipulated into the target air-fuel ratio according to a feed-forward control process.
摘要翻译：目标系统被认为等同于根据目标组合空燃比产生O2传感器或废气传感器的输出的系统，该目标组合空燃比是根据过滤器将各个气缸组的目标空燃比KCMD组合混合模型类型的过程。以等效系统作为被控制对象，空燃比处理控制器确定目标组合空燃比，并根据目标组合空燃比确定每个气缸组的目标空燃比KCMD 。根据前馈控制过程将气缸组中的空燃比操纵为目标空燃比。

4. 发明授权

US06195988B1 Air-fuel ratio control system for internal combustion engine 有权
标题翻译：内燃机空燃比控制系统
公开(公告)号：US06195988B1
公开(公告)日：2001-03-06
申请号：US09499975
申请日：2000-02-08
申请人： Yuji Yasui , Shusuke Akazaki , Tadashi Sato , Masaki Ueno , Yoshihisa Iwaki
发明人： Yuji Yasui , Shusuke Akazaki , Tadashi Sato , Masaki Ueno , Yoshihisa Iwaki
IPC分类号： F01N300
CPC分类号： F02D41/1458 , F02D41/1402 , F02D41/1403 , F02D41/1406 , F02D41/1477 , F02D41/1481 , F02D2041/1422 , F02D2041/1423 , F02D2041/1431
摘要： An object system for generating an output signal of an O2 sensor from a target air-fuel ratio is expressed as a model including a response delay element and a dead time element. Data of identified values of parameters of the model are sequentially generated by an identifier. Data of an estimated value of the output signal of the O2 sensor after a dead time of the object system is sequentially generated by an estimator. The target air-fuel ratio is generated according to an adaptive sliding mode control process performed by a sliding mode controller using the data of the identified and estimated values. The air-fuel ratio of an internal combustion engine is manipulated on the basis of the target air-fuel ratio according to a feed-forward control process.
摘要翻译：用于从目标空燃比产生O2传感器的输出信号的目标系统被表示为包括响应延迟元件和死区时间元件的模型。通过标识符顺序地生成模型的参数的标识值的数据。由对象系统的死区时间之后的O2传感器的输出信号的估计值的数据由估计器依次产生。目标空燃比根据滑动模式控制器使用所识别的和估计值的数据执行的自适应滑动模式控制处理来生成。根据前馈控制处理，基于目标空燃比来操作内燃机的空燃比。

5. 发明授权

US06188953B1 Plant control system 有权
标题翻译：工厂控制系统
公开(公告)号：US06188953B1
公开(公告)日：2001-02-13
申请号：US09311353
申请日：1999-05-13
申请人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
发明人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
IPC分类号： F02D4114
CPC分类号： F02D41/1441 , F02D41/1402 , F02D41/1403 , F02D41/1456 , F02D2041/1409 , F02D2041/1416 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1433 , G05B13/047
摘要： A plant control system has an actuator for generating an input to the plant, a first sensor for detecting an output from the plant, a manipulated variable determining unit for sequentially determining a manipulated variable which determines the input to the plant to equalize the output from the first sensor to a predetermined target value, an actuator controller for controlling operation of the actuator based on the manipulated variable determined by the manipulated variable determining unit, and an estimator for sequentially generating data representing an estimated value of the output from the first sensor after a total dead time which is the sum of a first dead time of the plant and a second dead time of a system which comprises the actuator and the actuator controller. The manipulated variable determining unit determines the manipulated variable based on the data generated by the estimator.
摘要翻译：工厂控制系统具有用于产生对工厂的输入的致动器，用于检测来自工厂的输出的第一传感器，用于顺序地确定操作变量的操作变量确定单元，其确定对工厂的输入以使来自第一传感器到预定目标值，执行器控制器，用于基于由操纵变量确定单元确定的操作变量来控制致动器的操作;以及估计器，用于依次产生表示在第一传感器之后的输出的估计值的数据总死区时间是工厂的第一个死区时间和系统的第二死区时间的总和，其包括致动器和致动器控制器。操纵变量确定单元基于由估计器生成的数据来确定操纵变量。

6. 发明授权

US06182445B2 Exhaust switch-over valve malfunction detection system of internal combustion engine 失效
标题翻译：内燃机排气开关阀故障检测系统
公开(公告)号：US06182445B2
公开(公告)日：2001-02-06
申请号：US09498654
申请日：2000-02-07
申请人： Hideharu Yamazaki , Yuji Yasui , Takashi Haga , Katsumi Saito , Yoshihisa Iwaki
发明人： Hideharu Yamazaki , Yuji Yasui , Takashi Haga , Katsumi Saito , Yoshihisa Iwaki
IPC分类号： F01N300
CPC分类号： F02D41/221 , F01N3/0814 , F01N3/0835 , F01N3/0878 , F01N3/101 , F01N11/00 , F01N11/002 , F01N13/009 , F01N13/0093 , F01N13/0097 , F01N2550/06 , F01N2900/0422 , F02M26/15 , Y02T10/22 , Y02T10/40 , Y02T10/47 , Y10T137/8158
摘要： A system for detecting malfunctions of an exhaust switch-over valve of an internal combustion engine, which opens/closes a bypass exhaust gas passage branched from an exhaust pipe of the engine and storing an adsorbent that adsorbs unburned components of the exhaust gas generated by the engine when the engine is started. In the system, the entrance temperature and the exit temperature in the bypass exhaust gas passage are detected and compared with each other in a first detection period when the passage is opened and in a second detection period when the passage is closed. Based on this comparison, it is determined whether the valve malfunctions. Alternatively, the valve malfunction is determined by comparing the valve opening/closing state with an instruction to operate the valve. With this, little time lag exists in the detection, thereby improving malfunction detection accuracy.
摘要翻译：一种用于检测内燃机的排气切换阀的故障的系统，其对从发动机的排气管分支的旁通废气通道进行开闭，并且存储吸附由所述排气管产生的废气的未燃烧成分的吸附剂发动机起动时发动机。在该系统中，当通道打开时的第一检测时段和通道关闭的第二检测期间，检测旁路排气通道中的入口温度和出口温度并进行比较。基于此比较，确定阀是否故障。或者，通过将阀打开/关闭状态与操作阀的指令进行比较来确定阀故障。因此，在检测中存在很少的时滞，从而提高故障检测精度。

7. 发明授权

US6112517A Plant control system 有权
标题翻译：工厂控制系统
公开(公告)号：US6112517A
公开(公告)日：2000-09-05
申请号：US153300
申请日：1998-09-15
申请人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
发明人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
IPC分类号： F02D45/00 , F02D41/14 , G05B13/00 , G05B13/02 , G05B13/04 , G05B21/02 , F01N3/00
CPC分类号： F02D41/1441 , F02D41/1403 , G05B13/042 , F02D2041/1409 , F02D2041/1416 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1431 , F02D2041/1433 , F02D41/1402 , F02D41/1456
摘要： A plant control system controls a plant modeled as a discrete-system model including an element relative to a response delay of the plant. The plant control system includes an actuator for generating an input to the plant, a first detector detecting an output from the plant, and a second detector for detecting the input to the plant which is generated by the actuator. An identifier identifies parameters to be established of the discrete-system model based on data representing an output of the first detector and data representing an output of the second detector. A manipulated variable determining unit determines a manipulated variable which determines the input to the plant to control operation of the actuator such that the output from the first detector will be equalized to a predetermined target value, according to a predetermining algorithm using the parameters of the discrete-system model which are identified by the identifier.
摘要翻译：工厂控制系统控制模拟为包括相对于设备的响应延迟的元件的离散系统模型的工厂。工厂控制系统包括用于产生对工厂的输入的致动器，检测来自工厂的输出的第一检测器和用于检测由致动器产生的对工厂的输入的第二检测器。标识符基于表示第一检测器的输出的数据和表示第二检测器的输出的数据来标识要建立的离散系统模型的参数。操纵变量确定单元根据使用离散的参数的预定算法确定确定对工厂的输入以控制致动器的操作的操作变量，使得来自第一检测器的输出将被均衡为预定目标值系统模型由标识符标识。

8. 发明授权

US6079205A Plant control system 有权
标题翻译：工厂控制系统
公开(公告)号：US6079205A
公开(公告)日：2000-06-27
申请号：US153156
申请日：1998-09-15
申请人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
发明人： Yuji Yasui , Shusuke Akazaki , Yoshihisa Iwaki
IPC分类号： F02D45/00 , F02D41/00 , F02D41/14 , F02D41/34 , G05B13/00 , G05B13/02 , G05B13/04 , G05B21/02 , F01N3/00
CPC分类号： G05B21/02 , F02D41/1403 , F02D41/1441 , F02D41/1477 , G05B13/047 , F02D2041/1409 , F02D2041/1415 , F02D2041/1416 , F02D2041/1418 , F02D2041/142 , F02D2041/1423 , F02D2041/1426 , F02D2041/1431 , F02D2041/1433 , F02D41/008 , F02D41/1402 , F02D41/1456
摘要： A plant control system controls a plant modeled as a discrete-system model including an element relative to a response delay of the plant and an element relative to a dead time of the plant. The plant control system includes an actuator for generating an input to the plant, a first detector for detecting an output from the plant, and a second detector for detecting the input to the plant. An estimator generates data representing an estimated value of an output of the first detector after the dead time, based on data representing the output of the first detector and data representing an output of the second detector. A manipulated variable determining unit determines a manipulated variable which determines the input to the plant, based on the estimated value, represented by the data generated by the estimator, of the output of the first detector after the dead time. The input to the plant from the actuator is controlled such that the output from the first detector will be equalized to a predetermined target value.
摘要翻译：植物控制系统控制模拟为离散系统模型的植物，其包括相对于植物的响应延迟的元素和相对于植物的死时间的元件。工厂控制系统包括用于产生对工厂的输入的致动器，用于检测来自工厂的输出的第一检测器和用于检测对工厂的输入的第二检测器。基于表示第一检测器的输出的数据和表示第二检测器的输出的数据，估计器产生表示死区时间之后的第一检测器的输出的估计值的数据。操作变量确定单元基于由估计器生成的数据表示的估计值，确定在死区时间之后的第一检测器的输出的确定到工厂的输入的操作变量。来自致动器的对工厂的输入被控制，使得来自第一检测器的输出将被均衡到预定的目标值。

9. 发明授权

US6021767A Air-fuel ratio control system for multi-cylinder internal combustion engines 有权
标题翻译：多缸内燃机空燃比控制系统
公开(公告)号：US6021767A
公开(公告)日：2000-02-08
申请号：US143535
申请日：1998-08-28
申请人： Yuji Yasui , Yusuke Hasegawa , Yoshihisa Iwaki , Shusuke Akazaki , Hiroshi Kitagawa
发明人： Yuji Yasui , Yusuke Hasegawa , Yoshihisa Iwaki , Shusuke Akazaki , Hiroshi Kitagawa
IPC分类号： F02D45/00 , F02D41/14 , F02D41/24 , G05B13/04 , F02D41/00
CPC分类号： G05B13/042 , F02D41/1402 , F02D41/2454 , F02D41/2477 , F02D2041/1415 , F02D2041/1418 , F02D2041/143 , F02D2041/1433 , F02D2250/12 , F02D41/1456 , F02D41/2483
摘要： An air-fuel ratio control system for a multi-cylinder engine is provided. An air-fuel ratio sensor is arranged in an exhaust system of the engine for detecting an air-fuel ratio of a mixture supplied to the engine and for generating an output indicative of the air-fuel ratio of the mixture. An adaptive controller determines an amount of fuel to be supplied to the engine with a first predetermined repetition period in a manner such that the output from the air-fuel ratio sensor becomes equal to a desired value. An adaptive parameter-adjusting mechanism adjusts adaptive parameters used by the adaptive controller. In the adaptive parameter-adjusting mechanism, the adaptive parameters are calculated with a second predetermined repetition period longer than the first predetermined repetition period, and output data indicative of results of the calculation is generated. Further, the output data indicative of results of the calculation is smoothed and output data indicative of the smoothed data is generated with a repetition period at least equal to the first predetermined repetition period. The adaptive controller uses the smoothed data as values of the adaptive parameters.
摘要翻译：提供了一种用于多缸发动机的空燃比控制系统。在发动机的排气系统中布置有空燃比传感器，用于检测供应到发动机的混合物的空燃比并产生表示混合物的空燃比的输出。自适应控制器以使得来自空燃比传感器的输出变得等于期望值的方式，以第一预定重复周期来确定要提供给发动机的燃料量。自适应参数调整机制调整自适应控制器使用的自适应参数。在自适应参数调整机构中，以比第一预定重复周期长的第二预定重复周期来计算自适应参数，并且生成表示计算结果的输出数据。此外，表示计算结果的输出数据被平滑，并且以至少等于第一预定重复周期的重复周期生成指示平滑数据的输出数据。自适应控制器使用平滑数据作为自适应参数的值。

10. 发明授权

US07251536B2 Control system for plant 有权
标题翻译：植物控制系统
公开(公告)号：US07251536B2
公开(公告)日：2007-07-31
申请号：US10656382
申请日：2003-09-05
申请人： Eiji Hashimoto , Tetsuya Ishiguro , Masahiro Sato , Shusuke Akazaki , Yoshihisa Iwaki , Yuji Yasui
发明人： Eiji Hashimoto , Tetsuya Ishiguro , Masahiro Sato , Shusuke Akazaki , Yoshihisa Iwaki , Yuji Yasui
IPC分类号： G05B13/02
CPC分类号： G05B21/02 , G05B13/047 , G05B17/02
摘要： A control system for a plant is disclosed. The control system includes a controller for controlling the plant based on a controlled object model which is obtained by modeling the plant. The controlled object model is modeled using an input and an output of the plant which are sampled at intervals of a sampling period which is longer than a control period of the controller. The sampled input of the plant is a filtered control output which is obtained by filtering an output of the controller. The controller carries out a control process of the plant at intervals of the control period.
摘要翻译：公开了一种植物的控制系统。该控制系统包括一个控制器，用于通过模拟该设备获得的受控对象模型来控制该设备。受控对象模型使用工厂的输入和输出进行建模，该输入和输出以比控制器的控制周期长的采样周期的间隔进行采样。工厂的采样输入是通过对控制器的输出进行滤波而获得的滤波控制输出。控制器以控制周期的间隔执行工厂的控制过程。

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