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1.发明申请METHOD AND DEVICE FOR MONITORING CONTROL AND REGULATING LOOPS IN AN ENGINE SYSTEM 有权用于监控发动机系统中的控制和调节油缸的方法和装置公开(公告)号：US20090101108A1
公开(公告)日：2009-04-23
申请号：US12251738
申请日：2008-10-15
IPC分类号： F02D41/00
CPC分类号： F02D41/0072 , F02D41/0002 , F02D41/0007 , F02D41/22 , F02D41/2451 , F02D2200/0402 , Y02T10/144 , Y02T10/47
摘要： A method for monitoring a control loop or a regulating loop in a system, in particular in an engine system in a motor vehicle, is described. A characteristic value is ascertained from a preset value and a system variable of the regulating loop or the control loop during one or more state changes, and an error is detected as a function of the ascertained characteristic value.
摘要翻译： 描述了一种用于监测系统中的控制回路或调节回路的方法，特别是在机动车辆的发动机系统中。 在一个或多个状态改变期间，从预设值和调节回路或控制回路的系统变量确定特征值，并且根据所确定的特征值检测误差。
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2.发明授权Method and device for monitoring control and regulating loops in an engine system 有权用于监控发动机系统中控制和调节回路的方法和装置公开(公告)号：US08245689B2
公开(公告)日：2012-08-21
申请号：US12251738
申请日：2008-10-15
CPC分类号： F02D41/0072 , F02D41/0002 , F02D41/0007 , F02D41/22 , F02D41/2451 , F02D2200/0402 , Y02T10/144 , Y02T10/47
摘要： A method for monitoring a control loop or a regulating loop in a system, in particular in an engine system in a motor vehicle, is described. A characteristic value is ascertained from a preset value and a system variable of the regulating loop or the control loop during one or more state changes, and an error is detected as a function of the ascertained characteristic value.
摘要翻译： 描述了一种用于监测系统中的控制回路或调节回路的方法，特别是在机动车辆的发动机系统中。 在一个或多个状态改变期间，从预设值和调节回路或控制回路的系统变量确定特征值，并且根据所确定的特征值检测误差。
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公开(公告)号：US20120130618A1
公开(公告)日：2012-05-24
申请号：US13300777
申请日：2011-11-21
CPC分类号： F02D41/222 , F02D41/0007 , F02D41/0072 , F02D41/1448 , F02D41/18 , F02D2200/0406 , Y02T10/40
摘要： A method for diagnosing a malfunction of a sensor system in an air system of an internal combustion engine, said sensor system comprising a first air state sensor, a second air state sensor and a third air state sensor, wherein a first value and a second value of a first comparison variable are ascertained in two different ways in an overall calculation step such that the result of a comparison between the first value and the second value is a function of each of the output variables of the first, second and third air state sensors and wherein in a fault detection step, said method recognizes as a function of the comparison between said first value and said second value of the comparison variable that a fault exists in the sensor system.
摘要翻译： 一种用于诊断内燃机的空气系统中的传感器系统的故障的方法，所述传感器系统包括第一空气状态传感器，第二空气状态传感器和第三空气状态传感器，其中第一值和第二值 在总体计算步骤中以两种不同的方式确定第一比较变量，使得第一值和第二值之间的比较的结果是第一，第二和第三空气状态传感器的每个输出变量的函数 并且其中在故障检测步骤中，所述方法识别出在传感器系统中存在故障的比较变量的所述第一值和所述第二值之间的比较的函数。
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公开(公告)号：US09874171B2
公开(公告)日：2018-01-23
申请号：US13300777
申请日：2011-11-21
CPC分类号： F02D41/222 , F02D41/0007 , F02D41/0072 , F02D41/1448 , F02D41/18 , F02D2200/0406 , Y02T10/40
摘要： A method for diagnosing a malfunction of a sensor system in an air system of an internal combustion engine, said sensor system comprising a first air state sensor, a second air state sensor and a third air state sensor, wherein a first value and a second value of a first comparison variable are ascertained in two different ways in an overall calculation step such that the result of a comparison between the first value and the second value is a function of each of the output variables of the first, second and third air state sensors and wherein in a fault detection step, said method recognizes as a function of the comparison between said first value and said second value of the comparison variable that a fault exists in the sensor system.
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公开(公告)号：US20100051000A1
公开(公告)日：2010-03-04
申请号：US12549128
申请日：2009-08-27
CPC分类号： F02D41/0002 , F02D2200/0404 , F02M26/25 , F02M26/49 , Y02T10/42
摘要： A method for the diagnosis of an exhaust gas recirculation system in an internal combustion engine, including providing a pressure difference reading, which gives a pressure difference in an air supply section of the internal combustion engine or a pressure difference over the exhaust gas recirculation system; determining a pressure difference reference value as a function of one or more operating variables of the internal combustion engine; and detecting a fault in the exhaust gas recirculation system as a function of the pressure difference reading and of the pressure difference reference value.
摘要翻译： 一种用于诊断内燃机中的排气再循环系统的方法，包括提供压力差读数，其给出内燃机的空气供应部分的压力差或排气再循环系统的压力差; 确定作为所述内燃机的一个或多个操作变量的函数的压差参考值; 以及根据压力差读数和压差参考值来检测废气再循环系统中的故障。
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公开(公告)号：US07881858B2
公开(公告)日：2011-02-01
申请号：US12549128
申请日：2009-08-27
CPC分类号： F02D41/0002 , F02D2200/0404 , F02M26/25 , F02M26/49 , Y02T10/42
摘要： A method for the diagnosis of an exhaust gas recirculation system in an internal combustion engine, including providing a pressure difference reading, which gives a pressure difference in an air supply section of the internal combustion engine or a pressure difference over the exhaust gas recirculation system; determining a pressure difference reference value as a function of one or more operating variables of the internal combustion engine; and detecting a fault in the exhaust gas recirculation system as a function of the pressure difference reading and of the pressure difference reference value.
摘要翻译： 一种用于诊断内燃机中的排气再循环系统的方法，包括提供压力差读数，其给出内燃机的空气供应部分的压力差或排气再循环系统的压力差; 确定作为所述内燃机的一个或多个操作变量的函数的压差参考值; 以及根据压力差读数和压差参考值来检测废气再循环系统中的故障。
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7.发明授权公开(公告)号：US09228508B2
公开(公告)日：2016-01-05
申请号：US13450747
申请日：2012-04-19
CPC分类号： F02D21/08 , F02D41/0002 , F02D41/0007 , F02D41/0072 , F02D2200/0402 , F02M26/05 , F02M26/06 , F02M26/10 , F02M26/24 , F02M26/25 , Y02T10/47
摘要： In a method for determining a low pressure exhaust gas recirculation mass flow {dot over (m)}Opt in the air system of an internal combustion engine (10) with low pressure exhaust gas recirculation, the determination of the low pressure exhaust gas recirculation mass flow {dot over (m)}Opt involves a preliminary low pressure exhaust gas recirculation mass flow {dot over (m)}EGRLPDs which is determined from a function involving, in particular, the pressure p42 upstream and the pressure p12 downstream of a low pressure side exhaust gas recirculation valve EGRVIvLP (29), the temperature TEGRVIvPUs downstream of the low pressure side exhaust gas recirculation valve (29), and the geometry arEGRVIvLP of the low pressure side exhaust gas recirculation valve (29). According to the invention, at least one mass balance based variable is also considered in the determination of the low pressure exhaust gas recirculation mass flow {dot over (m)}Opt.
摘要翻译： 在用于确定低压废气再循环质量的内燃机（10）的空气系统中的低压排气再循环质量流（dot over（m）}）的方法中， 流量{dot over（m）} Opt包括初步低压废气再循环质量流量（点数（m））EGRLPDs，其由特别是上游的压力p42和低于下游的压力p12的函数确定 压力侧废气再循环阀EGRVIvLP（29），低压侧排气再循环阀（29）下游的温度TEGRVIvPU以及低压侧废气再循环阀（29）的几何形状arEGRVIvLP。 根据本发明，在确定低压排气再循环质量流（dot）（m）}选项时，还考虑至少一个基于质量平衡的变量。
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8.发明申请Method and device for operating an internal combustion engine having exhaust-gas recirculation 有权用于操作具有废气再循环的内燃机的方法和装置公开(公告)号：US20060042608A1
公开(公告)日：2006-03-02
申请号：US11215338
申请日：2005-08-29
CPC分类号： F02B29/0437 , F02D41/0065 , F02D41/22 , F02D2041/0067 , F02M26/05 , F02M26/25 , F02M26/33 , F02M26/47 , F02M26/49 , Y02T10/146
摘要： Provided are a method and device for operating an internal combustion engine having exhaust-gas recirculation, the method and device allowing a diagnosis of an exhaust-gas recirculation cooler during normal operation of the internal combustion engine. In this context, a variable characteristic of the functioning of the exhaust-gas recirculation cooler is monitored. The variable characteristic of the functioning of the cooling device is ascertained as a function of a measured value. The variable characteristic of the functioning of the exhaust-gas recirculation cooler is specified on the basis of an intact exhaust-gas recirculation cooler. The ascertained value of the variable characteristic of the functioning of the exhaust-gas recirculation cooler is compared to the predefined value. An error is detected when the ascertained value of the variable characteristic of the function of cooling device deviates from the specified value.
摘要翻译： 提供了一种用于操作具有废气再循环的内燃机的方法和装置，该方法和装置允许在内燃机的正常操作期间诊断废气再循环冷却器。 在这种情况下，监测排气再循环冷却器功能的可变特性。 确定冷却装置的功能的可变特性作为测量值的函数。 废气再循环冷却器功能的可变特性是基于完整的废气再循环冷却器来确定的。 将排气再循环冷却器的功能的可变特性的确定值与预定值进行比较。 当冷却装置的功能的可变特性的确定值偏离指定值时，检测到错误。
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9.发明申请公开(公告)号：US20120272938A1
公开(公告)日：2012-11-01
申请号：US13450747
申请日：2012-04-19
CPC分类号： F02D21/08 , F02D41/0002 , F02D41/0007 , F02D41/0072 , F02D2200/0402 , F02M26/05 , F02M26/06 , F02M26/10 , F02M26/24 , F02M26/25 , Y02T10/47
摘要： In a method for determining a low pressure exhaust gas recirculation mass flow in the air system of an internal combustion engine (10) with low pressure exhaust gas recirculation, the determination of the low pressure exhaust gas recirculation mass flow involves a preliminary low pressure exhaust gas recirculation mass flow which is determined from a function involving, in particular, the pressure p42 upstream and the pressure p12 downstream of a low pressure side exhaust gas recirculation valve EGRVIvLP (29), the temperature TEGRVIvPUs downstream of the low pressure side exhaust gas recirculation valve (29), and the geometry arEGRVIvLP of the low pressure side exhaust gas recirculation valve (29). According to the invention, at least one mass balance based variable is also considered in the determination of the low pressure exhaust gas recirculation mass flow .
摘要翻译： 在用于确定具有低压排气再循环的内燃机（10）的空气系统中的低压废气再循环质量流的方法中，低压排气再循环质量流的确定涉及初步的低压废气 再循环质量流量由从低压侧排气再循环阀EGRVIvLP（29）下游的压力p42上游和压力p12决定的，低压侧废气再循环阀下游的温度TEGRVIvPU （29）和低压侧废气再循环阀（29）的几何形状arEGRVIvLP。 根据本发明，在确定低压排气再循环质量流量时，还考虑至少一个基于质量平衡的变量。
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10.发明授权公开(公告)号：US08028569B2
公开(公告)日：2011-10-04
申请号：US12339428
申请日：2008-12-19
IPC分类号： G01M15/10
CPC分类号： F02M26/47 , F02D41/0072 , F02D41/1446 , F02D41/2451 , F02D2041/0067 , F02D2041/007 , F02M26/25 , F02M26/28 , F02M26/33
摘要： A method for providing a specification about an efficiency of a cooler for recirculated exhaust gas in an internal combustion engine includes: measuring a temperature of the recirculated exhaust gas cooled by the cooler; and ascertaining the specification about the efficiency of the cooler as a function of the measured temperature of the cooled recirculated exhaust gas. With the aid of the specification about the efficiency of the cooler it is possible to determine a failure of the cooler or to calculate a temperature of the recirculated exhaust gas in order implement an engine control system of the internal combustion engine on the basis of a reliable temperature specification that is not influenced by lag effects.
摘要翻译： 提供关于内燃机中的再循环废气的冷却器的效率的规格的方法包括：测量由冷却器冷却的再循环废气的温度; 并且确定关于冷却器的效率的规格作为冷却的再循环废气的测量温度的函数。 借助于关于冷却器效率的规范，可以确定冷却器的故障或计算再循环废气的温度，以便在可靠的基础上实现内燃机的发动机控制系统 不受滞后效应影响的温度规格。
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