专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US5632261A Fuel metering control system for internal combustion engine 失效
标题翻译：内燃机燃油计量控制系统
公开(公告)号：US5632261A
公开(公告)日：1997-05-27
申请号：US581404
申请日：1995-12-29
申请人： Hidetaka Maki , Shusuke Akazaki
发明人： Hidetaka Maki , Shusuke Akazaki
IPC分类号： F02D41/14 , G03B13/04
CPC分类号： F02D41/1402 , G03B13/04 , F02D2041/1409 , F02D2041/1415 , F02D2041/1416 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1431 , F02D2041/1433 , F02D2041/1434
摘要： A fuel metering control system for an internal combustion engine including a feedback loop having an adaptive controller and an adaptation mechanism that estimates controller parameters .theta.. The adaptive controller corrects the quantity of fuel injection to bring a controlled variable obtained at least based on an output of said air/fuel ratio sensor, to a desired value. The convergence speed of the controller parameters is determined by a gain matrix that has non-diagonal and diagonal element. The system is configured that the controller parameters are determined without calculating the non-diagonal elements of the gain matrix, or without calculating using the non-diagonal elements of the gain matrix in the determination, decreasing calculation volume.
摘要翻译：一种用于内燃机的燃料计量控制系统，其包括具有自适应控制器和估计控制器参数+ E，cirθ+ EE的自适应机构的反馈回路。自适应控制器校正燃料喷射量，使至少基于所述空气/燃料比传感器的输出获得的受控变量达到期望值。控制器参数的收敛速度由具有非对角线和对角线元素的增益矩阵决定。该系统被配置为在不计算增益矩阵的非对角元素的情况下确定控制器参数，或者在确定中不使用增益矩阵的非对角元素进行计算，减小计算量。

32. 发明授权

US5774822A Fuel metering control system for internal combustion engine 失效
标题翻译：内燃机燃油计量控制系统
公开(公告)号：US5774822A
公开(公告)日：1998-06-30
申请号：US606383
申请日：1996-02-23
申请人： Hidetaka Maki , Isao Komoriya
发明人： Hidetaka Maki , Isao Komoriya
IPC分类号： F02D41/14 , G06G7/70 , F02M23/00
CPC分类号： F02D41/1481 , F02D41/1402 , F02D41/1473 , F02D2041/1415 , F02D2041/1431 , F02D2041/1433 , F02D41/1456
摘要： A system for controlling fuel metering for a multi-cylinder internal combustion engine having a feedback loop which has an adaptive controller and an adaptation mechanism coupled to said adaptive controller for estimating controller parameters .theta.. The adaptive controller calculates a feedback correction coefficient using internal variables that include the controller parameters .theta., to correct a basic quantity of fuel injection to bring a detected air/fuel ratio to a desired air/fuel ratio determined earlier from the detected air/fuel ratio by a dead time d'. The dead time d' is properly determined to be corresponding to a time k at which the air/fuel ratio is detected. Alternatively, the dead time may be determined to be longer than the proper value to eventually improve vehicle drivability, or determined to be shorter than the proper value to compensate for insufficient fuel adhesion correction.
摘要翻译：一种用于控制用于具有反馈回路的多气缸内燃机的燃料计量的系统，所述反馈回路具有耦合到所述自适应控制器的自适应控制器和适配机构，用于估计控制器参数+ E，cirθ+ EE。自适应控制器使用包括控制器参数+ E，cirθ+ EE的内部变量来计算反馈校正系数，以校正燃料喷射的基本量，以将检测到的空气/燃料比率提前到从检测到的空气/燃料比为死区时间d'。死区时间d'被适当地确定为对应于检测空/燃比的时间k。或者，可以将死区时间确定为长于适当值以最终改善车辆驾驶性能，或者确定为比适当值更短以补偿不足的燃料粘附校正。

33. 发明授权

US6097989A Adaptive controller with parameter adjustment law expressed in recurrence formula 失效
标题翻译：具有参数调整法的自适应控制器以递归公式表示
公开(公告)号：US6097989A
公开(公告)日：2000-08-01
申请号：US881256
申请日：1997-06-24
申请人： Hidetaka Maki , Yusuke Hasegawa
发明人： Hidetaka Maki , Yusuke Hasegawa
IPC分类号： F02D41/04 , F02D41/14 , F02D45/00 , G05B11/36 , G05B13/02 , G05B13/04
CPC分类号： G05B13/042 , F02D41/047 , F02D41/1402 , F02D41/2454 , G05B13/024 , F02D2041/1415 , F02D2041/1418 , F02D2041/1419 , F02D2041/1426 , F02D2041/1431 , F02D2041/1433 , F02D2200/0406 , F02D2200/0414 , F02D2200/0418 , F02D2200/703 , F02D41/1454 , F02D41/2448 , F02D41/2477
摘要： An adaptive controller using an adjustment law expressed in recurrence formula, including a plant, a controller which controls an input to the plant, and a parameter adjuster which adjusts a parameter of the controller. In the controller, an input to the parameter adjuster is multiplied by a coefficient other than 1 such that the range of change of the parameter adjuster's internal variable is restricted to a predetermined limit. With this arrangement, the controller can be realized on a less expensive and fewer-bit-length microcomputer such as 16-bits. The input to the parameter adjuster may be made up of the control input to the plant and an output therefrom. Alternatively, the input to the controller and an output from the plant may be both multiplied by a coefficient other than 1 to be input to the parameter adjuster. Further, it may be arranged such that a gain matrix element of the parameter adjuster is intermittently replaced with a prescribed value when it exceeds a limit, or when the cycle of the control exceeds a predetermined number of cycles.
摘要翻译：使用以递归公式表示的调整规律的自适应控制器，包括工厂，控制对工厂的输入的控制器以及调整控制器的参数的参数调节器。在控制器中，将参数调节器的输入乘以除1之外的系数，使得参数调节器的内部变量的变化范围被限制在预定的极限。通过这种布置，可以在诸如16位的较便宜且较少位的微型计算机上实现控制器。参数调节器的输入可以由对工厂的控制输入和其输出组成。或者，控制器的输入和来自工厂的输出可以乘以除了1之外的系数以输入到参数调节器。此外，可以将其设置为使得当参数调节器的增益矩阵元素超过限制时，或者当控制的周期超过预定循环次数时，间歇地替换为规定值。

34. 发明授权

US5649518A Fuel metering control system for internal combustion engine 失效
标题翻译：内燃机燃油计量控制系统
公开(公告)号：US5649518A
公开(公告)日：1997-07-22
申请号：US514859
申请日：1995-08-14
申请人： Hidetaka Maki , Yusuke Hasegawa , Yoichi Nishimura
发明人： Hidetaka Maki , Yusuke Hasegawa , Yoichi Nishimura
IPC分类号： F02D41/12 , F02D41/14
CPC分类号： F02D41/1402 , F02D41/126 , F02D41/1477 , F02D2041/1409 , F02D2041/1415 , F02D2041/142 , F02D2041/1426 , F02D2041/1433 , F02D41/1456
摘要： A fuel metering control system for an internal combustion engine, having a feedback loop. In the system, the quantity of fuel injection (Tim) to be supplied to the engine (plant) is determined outside of the feedback loop. A feedback correction coefficient (KSTR) is calculated using an adaptive controller and a feedback control is carried out by multiplying the quantity of fuel injection by the coefficient in the feedback control region. In view of the situation, once leaving the feedback control region due to, for example, fuel cutoff, but soon returning to the feedback control region shortly, internal variables of the adaptive controller necessary for coefficient calculation are held so as to make it unnecessary to determine the variables and to keep the control continuity and to enhance the controllability. On the other hand, if it takes a longer time to return the region, the variables are set to initial values.
摘要翻译：一种用于内燃机的燃料计量控制系统，具有反馈回路。在该系统中，在反馈回路之外确定要供应给发动机（工厂）的燃料喷射量（Tim）。使用自适应控制器计算反馈校正系数（KSTR），并且通过将反馈控制区域中的系数乘以燃料喷射量来进行反馈控制。鉴于这种情况，一旦离开反馈控制区域，由于例如燃料切断，但很快返回到反馈控制区域，则保持系数计算所需的自适应控制器的内部变量，从而不需要确定变量并保持控制的连续性并增强可控性。另一方面，如果返回区域需要较长时间，则将变量设置为初始值。

35. 发明授权

US5462037A A/F ratio estimator for multicylinder internal combustion engine 失效
标题翻译：多缸内燃机的A / F比估计器
公开(公告)号：US5462037A
公开(公告)日：1995-10-31
申请号：US158800
申请日：1993-12-01
申请人： Yusuke Hasegawa , Hidetaka Maki
发明人： Yusuke Hasegawa , Hidetaka Maki
IPC分类号： F02D45/00 , F02D41/00 , F02D41/14 , F02D41/34
CPC分类号： F02D41/008 , F02D41/1401 , F02D41/2458 , F02D2041/1409 , F02D2041/1415 , F02D2041/1416 , F02D2041/1417 , F02D2041/1418 , F02D2041/1433 , F02D41/1456
摘要： An air/fuel ratio estimator for estimating an air/fuel ratio of a mixture supplied to each cylinder of a multicylinder internal combustion engine through an output of an air/fuel ratio sensor installed at a confluence point of an exhaust system of the engine. The estimator includes first device for assuming the output of the air/fuel ratio sensor as an average value made up of a sum of products of past firing histories of each cylinder weighted by a predetermined value, and establishing a model using the air/fuel ratio as a state variable, a second device for obtaining a state equation with respect to the state variable. An observer is provided to estimate the unmeasured state variable indicative of the air/fuel ratio and the air/fuel ratio at each cylinder is estimated from an output of the observer. In the configuration upper and lower limit is established for the state variable such that it is replaced with its initial value if it exceeds either limit. As a result, a range of change of the variable is decreased so that the estimator can be realized on a low-performance microcomputer mounted on a vehicle.
摘要翻译：一种空气/燃料比估计器，用于通过安装在发动机的排气系统的汇合点处的空气/燃料比传感器的输出来估计供应到多缸内燃机的每个气缸的混合物的空气/燃料比。估计器包括用于将空燃比传感器的输出作为平均值的第一装置，该平均值由加权预定值的每个气缸的过去点火历史的积的总和构成，并且使用空/ 作为状态变量，用于获得关于状态变量的状态方程式的第二装置。提供观察者来估计指示空/燃比的未测量状态变量，并且从观测者的输出估计每个气缸处的空气/燃料比。在配置中，为状态变量建立上限和下限，以使其在超过任一极限时被替换为其初始值。结果，减小了变量的变化范围，从而可以在安装在车辆上的低性能微型计算机上实现估计器。

36. 发明授权

US5797384A Air-fuel ratio control system based on adaptive control theory for internal combustion engines 失效
公开(公告)号：US5797384A
公开(公告)日：1998-08-25
申请号：US604650
申请日：1996-02-21
申请人： Hiroshi Kitagawa , Hidetaka Maki
发明人： Hiroshi Kitagawa , Hidetaka Maki
IPC分类号： F02D45/00 , F02D41/12 , F02D41/14 , F02D41/22 , G05B13/02
CPC分类号： F02D41/1495 , F02D41/1402 , F02D41/1441 , F02D41/1456 , F02D41/1477 , F02D41/2454 , F02D41/2474 , F02B2275/18 , F02D2041/1409 , F02D2041/1415 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1433 , F02D41/123
摘要： An air-fuel ratio control system for an internal combustion includes an air-fuel ratio sensor arranged in the exhaust system, and an ECU which controls an amount of fuel to be supplied to the engine in a feedback manner based on an output from the air-fuel ratio sensor by using an adaptive controller of a recurrence formula type, such that the air-fuel ratio of an air-fuel mixture supplied to the engine becomes equal to a desired air-fuel ratio. Deterioration of a response characteristic of the air-fuel ratio sensor is detected based on at least one adaptive parameter used in the feedback control of the amount of fuel to be supplied to the engine.

37. 发明授权

US5619976A Control system employing controller of recurrence formula type for internal combustion engines 失效
标题翻译：采用内燃机复发式控制器的控制系统
公开(公告)号：US5619976A
公开(公告)日：1997-04-15
申请号：US602115
申请日：1996-02-23
申请人： Hiroshi Kitagawa , Hidetaka Maki , Norio Suzuki
发明人： Hiroshi Kitagawa , Hidetaka Maki , Norio Suzuki
IPC分类号： F02D41/14 , F02D41/00
CPC分类号： F02D41/1486 , F02D41/1402 , F02D41/1441 , F02D41/1477 , F02B2275/18 , F02D2041/1409 , F02D2041/1415 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1433 , F02D41/1456
摘要： A control system for an internal combustion engine has an air-fuel ratio sensor arranged in the exhaust system. An air-fuel ratio feedback control carried out based on an output from the air-fuel ratio sensor such that an air-fuel ratio of an air-fuel mixture supplied to the engine is converged to a desired air-fuel ratio is selected between a high-response feedback control using an adaptive controller of a recurrence formula type and a low-response feedback control with a lower response speed than a response speed of the high-response feedback control. Operating conditions of at least one of the engine and an automotive vehicle on which engine is installed are detected. It is determined whether or not the engine is in an unsteady operating condition in which combustion of the engine undergoes a variation, based on detected operating conditions of at least one of the engine and the vehicle. The low-response feedback control is selected at least when it is determined that the engine is in the unsteady operating condition.
摘要翻译：用于内燃机的控制系统具有布置在排气系统中的空燃比传感器。基于来自空燃比传感器的输出执行的空燃比反馈控制，使得供应到发动机的空气燃料混合物的空燃比会聚到期望的空燃比，在使用复现公式类型的自适应控制器和响应速度低于高响应反馈控制的响应速度的低响应反馈控制的高响应反馈控制。检测发动机和其中安装有发动机的机动车辆中的至少一个的操作条件。基于检测到的发动机和车辆中的至少一个的操作条件，确定发动机是否处于发动机的燃烧发生变化的不稳定操作状态。至少当确定发动机处于不稳定运行状态时，至少选择低响应反馈控制。

38. 发明授权

US07021300B2 Diagnostic apparatus for an exhaust gas sensor 有权
标题翻译：废气传感器诊断装置
公开(公告)号：US07021300B2
公开(公告)日：2006-04-04
申请号：US10925150
申请日：2004-08-25
申请人： Hidetaka Maki , Hiroshi Kitagawa , Masaki Tsuda
发明人： Hidetaka Maki , Hiroshi Kitagawa , Masaki Tsuda
IPC分类号： F02D41/22 , F02D41/14 , G01M15/00
CPC分类号： F02D41/1454 , F02D41/1456 , F02D41/1495
摘要： A deterioration failure diagnostic apparatus is provided for diagnosing an exhaust gas sensor disposed in an exhaust passage of an engine. The apparatus has a unit for generating a detecting signal and multiplying the generated signal to a first basic fuel injection amount to produce a second fuel injection amount. The apparatus includes a unit for calculating a feedback representative value based on feedback correction coefficients and multiplying the feedback representative value to the second fuel injection amount to produce a final fuel injection amount to be input to the engine. The apparatus includes a unit for extracting a frequency response corresponding to the detecting signal from an output of the exhaust gas sensor of the engine, the output being responsive to the calculated final fuel injection amount. A condition of the exhaust gas sensor is determined based on the extracted frequency response.
摘要翻译：提供了一种用于诊断设置在发动机的排气通道中的排气传感器的劣化破坏诊断装置。该装置具有用于产生检测信号并将生成的信号与第一基本燃料喷射量相乘以产生第二燃料喷射量的单元。该装置包括：用于基于反馈校正系数计算反馈代表值并将反馈代表值乘以第二燃料喷射量的单元，以产生要输入到发动机的最终燃料喷射量。该装置包括用于从发动机的排气传感器的输出中提取与检测信号相对应的频率响应的单元，该输出响应于所计算的最终燃料喷射量。基于所提取的频率响应来确定废气传感器的状况。

39. 发明申请

US20050061067A1 Diagnostic apparatus for an exhaust gas sensor 有权
标题翻译：废气传感器诊断装置
公开(公告)号：US20050061067A1
公开(公告)日：2005-03-24
申请号：US10925150
申请日：2004-08-25
申请人： Hidetaka Maki , Hiroshi Kitagawa , Masaki Tsuda
发明人： Hidetaka Maki , Hiroshi Kitagawa , Masaki Tsuda
IPC分类号： F02D45/00 , F01N3/00 , F01N3/20 , F02D41/14 , G01M19/00
CPC分类号： F02D41/1454 , F02D41/1456 , F02D41/1495
摘要： A deterioration failure diagnostic apparatus is provided for diagnosing an exhaust gas sensor disposed in an exhaust passage of an engine. The apparatus has a unit for generating a detecting signal and multiplying the generated signal to a first basic fuel injection amount to produce a second fuel injection amount. The apparatus includes a unit for calculating a feedback representative value based on feedback correction coefficients and multiplying the feedback representative value to the second fuel injection amount to produce a final fuel injection amount to be input to the engine. The apparatus includes a unit for extracting a frequency response corresponding to the detecting signal from an output of the exhaust gas sensor of the engine, the output being responsive to the calculated final fuel injection amount. A condition of the exhaust gas sensor is determined based on the extracted frequency response.
摘要翻译：提供了一种用于诊断设置在发动机的排气通道中的排气传感器的劣化破坏诊断装置。该装置具有用于产生检测信号并将生成的信号与第一基本燃料喷射量相乘以产生第二燃料喷射量的单元。该装置包括：用于基于反馈校正系数计算反馈代表值并将反馈代表值乘以第二燃料喷射量的单元，以产生要输入到发动机的最终燃料喷射量。该装置包括用于从发动机的排气传感器的输出中提取与检测信号相对应的频率响应的单元，该输出响应于所计算的最终燃料喷射量。基于所提取的频率响应来确定废气传感器的状况。

40. 发明授权

US5931143A Air-fuel ratio control system based on adaptive control theory for internal combustion engines 失效
标题翻译：基于内燃机自适应控制理论的空燃比控制系统
公开(公告)号：US5931143A
公开(公告)日：1999-08-03
申请号：US89038
申请日：1998-06-02
申请人： Hiroshi Kitagawa , Hidetaka Maki
发明人： Hiroshi Kitagawa , Hidetaka Maki
IPC分类号： F02D45/00 , F02D41/12 , F02D41/14 , F02D41/22 , G05B13/02
CPC分类号： F02D41/1495 , F02D41/1402 , F02D41/1441 , F02D41/1456 , F02D41/1477 , F02D41/2454 , F02D41/2474 , F02B2275/18 , F02D2041/1409 , F02D2041/1415 , F02D2041/1418 , F02D2041/142 , F02D2041/1426 , F02D2041/1433 , F02D41/123
摘要： An air-fuel ratio control system for an internal combustion includes an air-fuel ratio sensor arranged in the exhaust system, and an ECU which controls an amount of fuel to be supplied to the engine in a feedback manner based on an output from the air-fuel ratio sensor by using an adaptive controller of a recurrence formula type, such that the air-fuel ratio of an air-fuel mixture supplied to the engine becomes equal to a desired air-fuel ratio. Deterioration of a response characteristic of the air-fuel ratio sensor is detected based on at least one adaptive parameter used in the feedback control of the amount of fuel to be supplied to the engine.
摘要翻译：用于内燃的空燃比控制系统包括布置在排气系统中的空燃比传感器和ECU，其基于来自空气的输出以反馈方式控制供应给发动机的燃料量 - 燃料比传感器，通过使用递归公式类型的自适应控制器，使得提供给发动机的空气燃料混合物的空燃比变得等于期望的空燃比。基于在供给到发动机的燃料量的反馈控制中使用的至少一个自适应参数来检测空燃比传感器的响应特性的恶化。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式