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1.发明授权公开(公告)号：US10202915B2
公开(公告)日：2019-02-12
申请号：US15864303
申请日：2018-01-08
申请人： Robert Bosch GmbH
发明人： Frank Mueller , Marcel Schaefer , Richard Holberg , Shuwen Ling , Stefan Michael
摘要： A method and a computer program for recognizing and differentiating a flow rate error and a dynamic error of an exhaust gas recirculation system (EGR) of an internal combustion engine. Measured and modeled EGR mass flow signals are each subjected to bandpass filtering using time constants optimized for determining flow rate errors and bandpass filtering using time constants optimized for determining dynamic errors. The energy is determined for each of the filtered signals and an energy quotient is computed between the energies of the signals filtered for dynamic errors and the signals filtered for flow rate errors. A dynamic error and a flow rate error of the exhaust gas recirculation may be recognized and differentiated from one another on the basis of the energy quotients.
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公开(公告)号：US09091226B2
公开(公告)日：2015-07-28
申请号：US13659637
申请日：2012-10-24
申请人： Robert Bosch GmbH
发明人： Ralf Zimmerschied , Richard Holberg
CPC分类号： F02D41/1402 , F02D41/1454 , F02D41/1481 , F02D41/1495 , F02D41/222 , F02D41/2454 , F02D2041/1433 , Y02T10/40
摘要： A method for adapting a lambda control of an internal combustion engine having an exhaust gas probe disposed in an exhaust gas duct of the internal combustion engine as part of an exhaust gas monitoring system, wherein the adaptation is carried out on the basis of a comparison between a modeled and a measured signal after a predetermined change in the fuel-air ratio of an air-fuel mixture supplied to said internal combustion engine has taken place and wherein the measured signal is an actual value of an output signal of the exhaust gas probe and the modeled signal is a modal value, which is derived from the air-fuel mixture supplied to said internal combustion engine through the use of an exhaust gas model.
摘要翻译： 一种用于使具有设置在内燃机的排气管道中的排气探针的内燃机的λ控制作为废气监测系统的一部分的方法，其中，所述适配是基于 已经发生在提供给所述内燃机的空燃比的燃料空气比的预定变化之后的建模和测量信号，并且其中测量的信号是排气探针的输出信号的实际值， 模拟信号是通过使用废气模型从提供给所述内燃机的空气 - 燃料混合物得到的模态值。
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3.发明授权公开(公告)号：US10458372B2
公开(公告)日：2019-10-29
申请号：US15209020
申请日：2016-07-13
申请人： Robert Bosch GmbH
发明人： Andreas Michalske , Frank Mueller , Richard Holberg , Shuwen Ling
摘要： A method and a device for the dynamic monitoring of an air charging system of an internal combustion engine, subsystems of the air charging system having a low-pass characteristic, and a characteristic state quantity that is to be measured being compared with a modeled, identical state quantity. The measured signal and the modeled signal are filtered using a high-pass filter or bandpass filter, and, given a change in the characteristic state quantity that is to be measured, higher-frequency signal portions are evaluated, which is advantageous with regard to the recognition of so-called slow response errors.
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4.发明申请公开(公告)号：US20170022942A1
公开(公告)日：2017-01-26
申请号：US15209020
申请日：2016-07-13
申请人： Robert Bosch GmbH
发明人： Andreas Michalske , Frank Mueller , Richard Holberg , Shuwen Ling
CPC分类号： F02M26/49 , F02M35/10157 , Y02T10/144
摘要： A method and a device for the dynamic monitoring of an air charging system of an internal combustion engine, subsystems of the air charging system having a low-pass characteristic, and a characteristic state quantity that is to be measured being compared with a modeled, identical state quantity. The measured signal and the modeled signal are filtered using a high-pass filter or bandpass filter, and, given a change in the characteristic state quantity that is to be measured, higher-frequency signal portions are evaluated, which is advantageous with regard to the recognition of so-called slow response errors.
摘要翻译： 一种用于动态监测内燃机的充气系统的方法和装置，具有低通特性的空气充气系统的子系统和要测量的特征状态量与建模的相同 国家数量。 使用高通滤波器或带通滤波器对测量信号和建模信号进行滤波，并且在要测量的特性状态量的变化时，评估较高频率信号部分，这对于 识别所谓的慢响应错误。
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公开(公告)号：US20130103285A1
公开(公告)日：2013-04-25
申请号：US13659637
申请日：2012-10-24
申请人： Robert Bosch GmbH
发明人： Ralf Zimmerschied , Richard Holberg
CPC分类号： F02D41/1402 , F02D41/1454 , F02D41/1481 , F02D41/1495 , F02D41/222 , F02D41/2454 , F02D2041/1433 , Y02T10/40
摘要： A method for adapting a lambda control of an internal combustion engine having an exhaust gas probe disposed in an exhaust gas duct of the internal combustion engine as part of an exhaust gas monitoring system, wherein the adaptation is carried out on the basis of a comparison between a modeled and a measured signal after a predetermined change in the fuel-air ratio of an air-fuel mixture supplied to said internal combustion engine has taken place and wherein the measured signal is an actual value of an output signal of the exhaust gas probe and the modeled signal is a modal value, which is derived from the air-fuel mixture supplied to said internal combustion engine through the use of an exhaust gas model.
摘要翻译： 一种用于使具有设置在内燃机的排气管道中的排气探针的内燃机的λ控制作为废气监测系统的一部分的方法，其中，所述适配是基于 已经发生在提供给所述内燃机的空燃比的燃料空气比的预定变化之后的建模和测量信号，并且其中测量的信号是排气探针的输出信号的实际值， 模拟信号是通过使用废气模型从提供给所述内燃机的空气 - 燃料混合物得到的模态值。
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6.发明申请公开(公告)号：US20180195446A1
公开(公告)日：2018-07-12
申请号：US15864303
申请日：2018-01-08
申请人： Robert Bosch GmbH
发明人： Frank Mueller , Marcel Schaefer , Richard Holberg , Shuwen Ling , Stefan Michael
CPC分类号： F02D41/0072 , F02D9/04 , F02D41/1401 , F02D41/221 , F02D2041/0075 , F02D2041/1432 , F02D2041/1433 , F02M26/05 , F02M26/06 , F02M26/07 , F02M26/49
摘要： A method and a computer program for recognizing and differentiating a flow rate error and a dynamic error of an exhaust gas recirculation system (EGR) of an internal combustion engine. Measured and modeled EGR mass flow signals are each subjected to bandpass filtering using time constants optimized for determining flow rate errors and bandpass filtering using time constants optimized for determining dynamic errors. The energy is determined for each of the filtered signals and an energy quotient is computed between the energies of the signals filtered for dynamic errors and the signals filtered for flow rate errors. A dynamic error and a flow rate error of the exhaust gas recirculation may be recognized and differentiated from one another on the basis of the energy quotients.
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