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31.发明授权Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system 有权用于选择性催化剂还原系统的基于模型的NOx传感器故障诊断公开(公告)号：US08555613B2
公开(公告)日：2013-10-15
申请号：US12395790
申请日：2009-03-02
IPC分类号： F01N3/00
CPC分类号： F01N11/007 , F01N11/005 , F01N2550/02 , F01N2560/026 , F02B29/0406 , F02B37/24 , F02D41/146 , F02D41/1463 , F02D41/1465 , F02D41/222 , F02D2041/1433 , F02M26/10 , F02M26/12 , F02M26/15 , F02M26/23 , Y02T10/40 , Y02T10/47
摘要： Methods and systems for detecting faults with nitrogen oxides sensors used to detect the presence of nitrogen oxides in an exhaust effluent gas stream emitted from a combustion engine during its operation include providing a virtual nitrogen oxides sensor measurement compared with actual nitrogen oxides content measured by nitrogen oxides sensors.
摘要翻译： 用于检测氮氧化物传感器的故障的方法和系统，用于检测在其操作期间从内燃机排放的排气流出气流中氮氧化物的存在，包括与氮氧化物测量的实际氮氧化物含量相比提供虚拟氮氧化物传感器测量值 传感器。
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32.发明申请MODEL-BASED DIAGNOSTICS OF NOX SENSOR MALFUNCTION FOR SELECTIVE CATALYST REDUCTION SYSTEM 有权用于选择性催化还原系统的NOX传感器故障的基于模型的诊断公开(公告)号：US20100218487A1
公开(公告)日：2010-09-02
申请号：US12395790
申请日：2009-03-02
CPC分类号： F01N11/007 , F01N11/005 , F01N2550/02 , F01N2560/026 , F02B29/0406 , F02B37/24 , F02D41/146 , F02D41/1463 , F02D41/1465 , F02D41/222 , F02D2041/1433 , F02M26/10 , F02M26/12 , F02M26/15 , F02M26/23 , Y02T10/40 , Y02T10/47
摘要： Methods and systems for detecting faults with nitrogen oxides sensors used to detect the presence of nitrogen oxides in an exhaust effluent gas stream emitted from a combustion engine during its operation include providing a virtual nitrogen oxides sensor measurement compared with actual nitrogen oxides content measured by nitrogen oxides sensors.
摘要翻译： 用于检测氮氧化物传感器的故障的方法和系统，用于检测在其操作期间从内燃机排放的排气流出气流中氮氧化物的存在，包括与氮氧化物测量的实际氮氧化物含量相比提供虚拟氮氧化物传感器测量值 传感器。
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33.发明授权Method of model-based multivariable control of EGR and boost for internal combustion engines 有权基于模型的内燃机EGR和增压多变量控制方法公开(公告)号：US08640679B2
公开(公告)日：2014-02-04
申请号：US12848188
申请日：2010-08-01
CPC分类号： F02D41/0072 , F02D41/0007 , F02D41/1401 , F02D2041/1427 , F02D2041/1434 , F02D2200/0406 , Y02T10/144 , Y02T10/47
摘要： A method to control an exhaust gas recirculation and a manifold air pressure in an engine includes utilizing a decoupling matrix within a multiple input and multiple output controller to determine an exhaust gas recirculation command and a manifold air pressure command, wherein the decoupling matrix is configured based upon a diagonally dominant model of the engine compensated by the determined exhaust gas recirculation command and the manifold air pressure command. The exhaust gas recirculation and manifold air pressure are controlled based upon the determined exhaust gas recirculation command and the determined manifold air pressure command.
摘要翻译： 用于控制发动机中的废气再循环和歧管空气压力的方法包括利用多输入和多输出控制器内的去耦矩阵来确定废气再循环命令和歧管空气压力命令，其中所述去耦矩阵基于 在通过确定的废气再循环命令和歧管空气压力指令补偿的发动机的对角线主导模型上。 废气再循环和歧管空气压力基于确定的废气再循环命令和确定的歧管空气压力命令来控制。
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34.发明申请METHOD OF MODEL-BASED MULTIVARIABLE CONTROL OF EGR AND BOOST FOR INTERNAL COMBUSTION ENGINES 有权用于内燃机的EGR和升压的基于模型的多重控制方法公开(公告)号：US20120024270A1
公开(公告)日：2012-02-02
申请号：US12848188
申请日：2010-08-01
IPC分类号： F02B47/08
CPC分类号： F02D41/0072 , F02D41/0007 , F02D41/1401 , F02D2041/1427 , F02D2041/1434 , F02D2200/0406 , Y02T10/144 , Y02T10/47
摘要： A method to control an exhaust gas recirculation and a manifold air pressure in an engine includes utilizing a decoupling matrix within a multiple input and multiple output controller to determine an exhaust gas recirculation command and a manifold air pressure command, wherein the decoupling matrix is configured based upon a diagonally dominant model of the engine compensated by the determined exhaust gas recirculation command and the manifold air pressure command. The exhaust gas recirculation and manifold air pressure are controlled based upon the determined exhaust gas recirculation command and the determined manifold air pressure command.
摘要翻译： 用于控制发动机中的废气再循环和歧管空气压力的方法包括利用多输入和多输出控制器内的去耦矩阵来确定废气再循环命令和歧管空气压力命令，其中所述去耦矩阵基于 在通过确定的废气再循环命令和歧管空气压力指令补偿的发动机的对角线主导模型上。 废气再循环和歧管空气压力基于确定的废气再循环命令和确定的歧管空气压力命令来控制。
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35.发明授权Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm 有权后处理装置NOx转换效率诊断使用板上自适应诊断算法公开(公告)号：US08201444B2
公开(公告)日：2012-06-19
申请号：US12537395
申请日：2009-08-07
IPC分类号： G01M15/10
CPC分类号： F01N11/002 , F01N3/2066 , F01N2550/03 , F01N2560/026 , F01N2560/06 , F01N2570/18 , F01N2610/02 , Y02T10/24 , Y02T10/47
摘要： A powertrain includes an internal combustion engine and an aftertreatment system having an aftertreatment device utilizing a catalyst to convert NOx. A method for indicating a malfunctioning catalyst includes monitoring an actual NOx content exiting the aftertreatment system, monitoring factors affecting conversion efficiency of the aftertreatment device, determining a predicted threshold NOx content exiting the aftertreatment system for an exemplary malfunctioning catalyst based upon the factors affecting conversion efficiency, comparing the actual NOx content exiting the aftertreatment system to the predicted threshold NOx content exiting the aftertreatment system, and indicating a malfunctioning catalyst based upon the comparing.
摘要翻译： 动力系包括具有利用催化剂转化NOx的后处理装置的内燃机和后处理系统。 用于指示故障催化剂的方法包括监测离开后处理系统的实际NOx含量，监测影响后处理装置的转化效率的因素，基于影响转化效率的因素，确定离开后处理系统的预测阈值NOx含量 将离开后处理系统的实际NOx含量与离开后处理系统的预测阈值NOx含量进行比较，并基于比较来指示故障催化剂。
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36.发明申请公开(公告)号：US20100083636A1
公开(公告)日：2010-04-08
申请号：US12245830
申请日：2008-10-06
申请人： Yue-Yun Wang , Ognyan N. Yanakiev , Man-Feng Chang
发明人： Yue-Yun Wang , Ognyan N. Yanakiev , Man-Feng Chang
IPC分类号： F01N11/00
CPC分类号： F01N3/2066 , F01N9/00 , F01N11/00 , F01N2240/20 , F01N2550/02 , F01N2550/05 , F01N2610/00 , Y02T10/24 , Y02T10/47
摘要： A method for indicating a non-urea reductant fault in a powertrain including an internal combustion engine and an aftertreatment system having an aftertreatment device utilizing a catalyst to convert NOx includes monitoring a NOx content exiting the aftertreatment system subsequent to a powertrain start-up event through a test span, monitoring a measure of NOx content entering the aftertreatment system subsequent to a powertrain start-up event through the test span, and determining a measure of NOx conversion accomplished in the aftertreatment device based upon the NOx content exiting the aftertreatment system and the measure of NOx content entering the aftertreatment system. The method includes, through the test span, comparing the measure of NOx conversion determined at a start of the test span to the measure of NOx conversion at a later time within the test span. A non-urea reductant fault is indicated based upon the comparing identifying a reduction in NOx conversion accomplished in the aftertreatment device between the start of the test span and the later time within the test span.
摘要翻译： 一种用于指示包括内燃机和具有利用催化剂转化NOx的后处理装置的后处理装置的动力系中的非尿素还原剂故障的方法包括在动力系启动事件之后监测离开后处理系统的NOx含量，通过 测试跨度，监测在通过测试跨度的动力系启动事件之后进入后处理系统的NOx含量的量度，以及基于离开后处理系统的NOx含量确定在后处理装置中完成的NOx转化的量度， 测量进入后处理系统的NOx含量。 该方法包括，通过测试跨度，将在测试跨度开始时确定的NOx转化量与在测试范围内的稍后时间内的NOx转化量进行比较。 基于比较确定在测试跨度开始和测试跨度之后的后期处理装置中完成的NOx转化率的降低来指示非尿素还原剂故障。
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37.发明申请ROBUST DESIGN OF DIAGNOSTIC ENABLING CONDITIONS FOR SCR NOX CONVERSION EFFICIENCY MONITOR 有权用于SCR NOX转换效率监测的诊断启动条件的稳健设计公开(公告)号：US20100180576A1
公开(公告)日：2010-07-22
申请号：US12355094
申请日：2009-01-16
CPC分类号： F01N3/2066 , F01N11/00 , Y02T10/24 , Y02T10/47
摘要： A method for controlling a malfunction catalyst diagnostic test that determines a malfunction status of a catalyst within a selective catalytic reduction device includes monitoring an exhaust gas flow within an aftertreatment system, estimating an effect of the exhaust gas flow on an estimated reductant storage on a catalyst within the selective catalytic reduction device, and selectively disabling the malfunction catalyst diagnostic test based upon the estimating the effect of the exhaust gas flow on the estimated reductant storage.
摘要翻译： 一种用于确定选择性催化还原装置内的催化剂的故障状态的故障催化剂诊断试验的方法包括监测后处理系统中的废气流，估计废气流对催化剂上估计的还原剂储存的影响 在选择性催化还原装置内，并且基于估计废气流对估计的还原剂储存器的影响，选择性地禁用故障催化剂诊断试验。
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38.发明授权公开(公告)号：US08171720B2
公开(公告)日：2012-05-08
申请号：US12245830
申请日：2008-10-06
申请人： Yue-Yun Wang , Ognyan N. Yanakiev , Man-Feng Chang
发明人： Yue-Yun Wang , Ognyan N. Yanakiev , Man-Feng Chang
IPC分类号： F01N3/00
CPC分类号： F01N3/2066 , F01N9/00 , F01N11/00 , F01N2240/20 , F01N2550/02 , F01N2550/05 , F01N2610/00 , Y02T10/24 , Y02T10/47
摘要： A method for indicating a non-urea reductant fault in a powertrain including an internal combustion engine and an aftertreatment system having an aftertreatment device utilizing a catalyst to convert NOx includes monitoring a NOx content exiting the aftertreatment system subsequent to a powertrain start-up event through a test span, monitoring a measure of NOx content entering the aftertreatment system subsequent to a powertrain start-up event through the test span, and determining a measure of NOx conversion accomplished in the aftertreatment device based upon the NOx content exiting the aftertreatment system and the measure of NOx content entering the aftertreatment system. The method includes, through the test span, comparing the measure of NOx conversion determined at a start of the test span to the measure of NOx conversion at a later time within the test span. A non-urea reductant fault is indicated based upon the comparing identifying a reduction in NOx conversion accomplished in the aftertreatment device between the start of the test span and the later time within the test span.
摘要翻译： 一种用于指示包括内燃机和具有利用催化剂转化NOx的后处理装置的后处理装置的动力系中的非尿素还原剂故障的方法包括在动力系启动事件之后监测离开后处理系统的NOx含量，通过 测试跨度，监测在通过测试跨度的动力系启动事件之后进入后处理系统的NOx含量的量度，以及基于离开后处理系统的NOx含量确定在后处理装置中完成的NOx转化的量度， 测量进入后处理系统的NOx含量。 该方法包括，通过测试跨度，将在测试跨度开始时确定的NOx转化量与在测试范围内的稍后时间内的NOx转化量进行比较。 基于比较确定在测试跨度开始和测试跨度之后的后期处理装置中完成的NOx转化率的降低来指示非尿素还原剂故障。
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39.发明授权Robust design of diagnostic enabling conditions for SCR NOx conversion efficiency monitor 有权可靠的SCR可靠性设计，可用于SCR NOx转换效率监控公开(公告)号：US08091416B2
公开(公告)日：2012-01-10
申请号：US12355094
申请日：2009-01-16
IPC分类号： G01M15/10
CPC分类号： F01N3/2066 , F01N11/00 , Y02T10/24 , Y02T10/47
摘要： A method for controlling a malfunction catalyst diagnostic test that determines a malfunction status of a catalyst within a selective catalytic reduction device includes monitoring an exhaust gas flow within an aftertreatment system, estimating an effect of the exhaust gas flow on an estimated reductant storage on a catalyst within the selective catalytic reduction device, and selectively disabling the malfunction catalyst diagnostic test based upon the estimating the effect of the exhaust gas flow on the estimated reductant storage.
摘要翻译： 一种用于确定选择性催化还原装置内的催化剂的故障状态的故障催化剂诊断试验的方法包括监测后处理系统中的废气流，估计废气流对催化剂上估计的还原剂储存的影响 在选择性催化还原装置内，并且基于估计废气流对估计的还原剂储存器的影响，选择性地禁用故障催化剂诊断试验。
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40.发明申请ON BOARD DIAGNOSTIC MONITOR OF NOX CONVERSION EFFICIENCY FOR AFTERTREATMENT DEVICE 有权用于后处理装置的NOX转换效率的板上诊断监视器公开(公告)号：US20100043397A1
公开(公告)日：2010-02-25
申请号：US12537390
申请日：2009-08-07
IPC分类号： F01N11/00
CPC分类号： F01N3/208 , F01N3/0814 , F01N11/007 , F01N2550/02 , F01N2550/03 , F01N2560/026 , F01N2900/1622 , Y02T10/24 , Y02T10/47
摘要： A method for indicating a malfunctioning catalyst in a powertrain including an internal combustion engine and an aftertreatment system including an aftertreatment device utilizing a catalyst to convert NOx includes monitoring a NOx content entering the aftertreatment system, monitoring a NOx content exiting the aftertreatment system, determining an actual conversion efficiency based upon the NOx content entering the aftertreatment system and the NOx content exiting the aftertreatment system, monitoring factors affecting conversion efficiency within the aftertreatment device, determining a malfunction conversion efficiency indicative of the malfunctioning catalyst based upon the factors affecting conversion efficiency within the aftertreatment device, and indicating the malfunctioning catalyst based upon comparing the actual conversion efficiency to the malfunction conversion efficiency.
摘要翻译： 一种用于指示包括内燃机的动力传动系故障催化剂的方法和包括利用催化剂转化NOx的后处理装置的后处理系统的方法，包括监测进入后处理系统的NOx含量，监测离开后处理系统的NOx含量， 基于进入后处理系统的NOx含量和离开后处理系统的NOx含量的实际转换效率，监测影响后处理装置中转换效率的因素，基于影响转换效率的因素确定指示故障催化剂的故障转换效率 后处理装置，并且基于将实际转换效率与故障转换效率进行比较来指示故障催化剂。
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