RU2012145008A - METHOD FOR CHECKING THE FUNCTIONALITY OF THE VALVE RECYCLING THE EXHAUST GASES OF THE INTERNAL COMBUSTION ENGINE - Google Patents

METHOD FOR CHECKING THE FUNCTIONALITY OF THE VALVE RECYCLING THE EXHAUST GASES OF THE INTERNAL COMBUSTION ENGINE Download PDF

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RU2012145008A
RU2012145008A RU2012145008/07A RU2012145008A RU2012145008A RU 2012145008 A RU2012145008 A RU 2012145008A RU 2012145008/07 A RU2012145008/07 A RU 2012145008/07A RU 2012145008 A RU2012145008 A RU 2012145008A RU 2012145008 A RU2012145008 A RU 2012145008A
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Russia
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signal
measuring signal
exhaust gas
functionality
measuring
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RU2012145008/07A
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Russian (ru)
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RU2560091C2 (en
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БРАЙТБАХ Томас
ПАВЛАК Йенс
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Роберт Бош Гмбх
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/286—Interface circuits comprising means for signal processing
    • F02D2041/288—Interface circuits comprising means for signal processing for performing a transformation into the frequency domain, e.g. Fourier transformation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1408—Dithering techniques
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/10386—Sensors for intake systems for flow rate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)

Abstract

1. Способ проверки функциональности клапана (13) рециркуляции отработавших газов (ОГ) двигателя (1) внутреннего сгорания путем периодического изменения (103a, 103b) положения исполнительного звена (13a) клапана (13) рециркуляции ОГ, путем измерения (105a, 105b) системной величины (LM, LD), на которую влияет движение исполнительного звена (13a), и путем обработки (106-110) измерительного сигнала для проверки функциональности клапана (13) рециркуляции ОГ, отличающийся тем, что для обработки измерительного сигнала используют (108b) фазочувствительный метод, который представляет собой метод синхронизации.2. Способ по п.1, при осуществлении которого в качестве системной величины измеряют давление наддува (LD) или массовый расход воздуха (LM) во впускном газопроводе (6).3. Способ по п.1, при осуществлении которого измерительный сигнал перед обработкой подвергают фильтрации (106), прежде всего с помощью фильтра нижних частот.4. Способ по п.3, при осуществлении которого при фильтрации определяют (106) скользящее среднее значение измерительного сигнала, которое перед обработкой измерительного сигнала вычитают (107) из исходного измерительного сигнала, и обрабатывают результат вычитания в качестве нового измерительного сигнала.5. Способ по одному из пп.1-4, при осуществлении которого в качестве периодического управляющего сигнала используют синусоидальный сигнал или сигнал прямоугольной формы (103a, 103b).6. Вычислительное устройство, предназначенное для осуществления способа по одному из пп.1-5.1. A method of checking the functionality of the exhaust gas recirculation (13) valve (13) of an internal combustion engine (1) by periodically changing (103a, 103b) the position of the actuator (13a) of the exhaust gas recirculation valve (13) by measuring (105a, 105b) the system value (LM, LD), which is influenced by the movement of the actuator (13a), and by processing (106-110) the measuring signal to check the functionality of the exhaust gas recirculation valve (13), characterized in that for processing the measuring signal a phase-sensitive method, which is a synchronization method 2. A method according to claim 1, wherein the boost pressure (LD) or air mass flow (LM) in the intake manifold (6) is measured as a system variable. The method according to claim 1, in which the measuring signal is filtered (106) prior to processing, primarily with a low-pass filter. The method according to claim 3, in which the filtering determines (106) a moving average of the measurement signal, which is subtracted (107) from the original measurement signal before processing the measurement signal, and the result of the subtraction is processed as a new measurement signal. A method according to one of claims 1 to 4, in the implementation of which a sinusoidal signal or a square-wave signal is used as a periodic control signal (103a, 103b). Computing device designed to implement the method according to one of claims 1-5.

Claims (6)

1. Способ проверки функциональности клапана (13) рециркуляции отработавших газов (ОГ) двигателя (1) внутреннего сгорания путем периодического изменения (103a, 103b) положения исполнительного звена (13a) клапана (13) рециркуляции ОГ, путем измерения (105a, 105b) системной величины (LM, LD), на которую влияет движение исполнительного звена (13a), и путем обработки (106-110) измерительного сигнала для проверки функциональности клапана (13) рециркуляции ОГ, отличающийся тем, что для обработки измерительного сигнала используют (108b) фазочувствительный метод, который представляет собой метод синхронизации.1. The method of checking the functionality of the valve (13) exhaust gas recirculation (exhaust) of the internal combustion engine (1) by periodically changing (103a, 103b) the position of the Executive link (13a) of the exhaust gas recirculation valve (13) by measuring (105a, 105b) system the magnitude (LM, LD), which is affected by the movement of the actuator (13a), and by processing (106-110) the measuring signal to check the functionality of the exhaust gas recirculation valve (13), characterized in that a phase-sensitive (108b) is used to process the measuring signal method that before sets a synchronization method. 2. Способ по п.1, при осуществлении которого в качестве системной величины измеряют давление наддува (LD) или массовый расход воздуха (LM) во впускном газопроводе (6).2. The method according to claim 1, in the implementation of which as a system quantity measure the boost pressure (LD) or mass air flow rate (LM) in the intake manifold (6). 3. Способ по п.1, при осуществлении которого измерительный сигнал перед обработкой подвергают фильтрации (106), прежде всего с помощью фильтра нижних частот.3. The method according to claim 1, in which the measuring signal is filtered before processing (106), primarily using a low-pass filter. 4. Способ по п.3, при осуществлении которого при фильтрации определяют (106) скользящее среднее значение измерительного сигнала, которое перед обработкой измерительного сигнала вычитают (107) из исходного измерительного сигнала, и обрабатывают результат вычитания в качестве нового измерительного сигнала.4. The method according to claim 3, in the implementation of which, by filtering (106), a moving average value of the measuring signal is determined, which, before processing the measuring signal, is subtracted (107) from the initial measuring signal, and the subtraction result is processed as a new measuring signal. 5. Способ по одному из пп.1-4, при осуществлении которого в качестве периодического управляющего сигнала используют синусоидальный сигнал или сигнал прямоугольной формы (103a, 103b).5. The method according to one of claims 1 to 4, in which a sinusoidal signal or a square wave signal (103a, 103b) is used as a periodic control signal. 6. Вычислительное устройство, предназначенное для осуществления способа по одному из пп.1-5. 6. A computing device for implementing the method according to one of claims 1 to 5.
RU2012145008/07A 2010-03-24 2011-03-15 Test method of functionality of exhaust gas recirculation valve of internal combustion engine RU2560091C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010003203A DE102010003203A1 (en) 2010-03-24 2010-03-24 Method for testing the functionality of an exhaust gas recirculation valve of an internal combustion engine
DE102010003203.4 2010-03-24
PCT/EP2011/053871 WO2011117108A1 (en) 2010-03-24 2011-03-15 Method for testing the functionality of an exhaust gas recirculation valve of an internal combustion engine

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RU2012145008A true RU2012145008A (en) 2014-05-10
RU2560091C2 RU2560091C2 (en) 2015-08-20

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CN (1) CN102791995B (en)
BR (1) BR112012024042B1 (en)
DE (1) DE102010003203A1 (en)
RU (1) RU2560091C2 (en)
WO (1) WO2011117108A1 (en)

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MX2019002415A (en) * 2016-09-07 2019-08-05 Nissan Motor Engine control method and control device.
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GB2570336B (en) 2018-01-22 2020-03-04 Ford Global Tech Llc An exhaust gas recirculation valve diagnostic method
GB2570335B (en) 2018-01-22 2020-03-11 Ford Global Tech Llc An exhaust gas recirculation valve control method
CN112539121B (en) * 2020-11-27 2022-03-01 潍柴动力股份有限公司 Carbon deposition online detection method and detection device of EGR system and motor vehicle

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WO2011117108A1 (en) 2011-09-29
BR112012024042A2 (en) 2016-08-30
CN102791995A (en) 2012-11-21
DE102010003203A1 (en) 2011-09-29
BR112012024042B1 (en) 2020-09-29
CN102791995B (en) 2016-03-30
RU2560091C2 (en) 2015-08-20

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