RU2010116158A - METHOD FOR REGULATING THE PARTICLE FILTER-CUTTER TEMPERATURE - Google Patents

METHOD FOR REGULATING THE PARTICLE FILTER-CUTTER TEMPERATURE Download PDF

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RU2010116158A
RU2010116158A RU2010116158/06A RU2010116158A RU2010116158A RU 2010116158 A RU2010116158 A RU 2010116158A RU 2010116158/06 A RU2010116158/06 A RU 2010116158/06A RU 2010116158 A RU2010116158 A RU 2010116158A RU 2010116158 A RU2010116158 A RU 2010116158A
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temperature
filter
flow rate
ige
inlet
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RU2010116158/06A
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Russian (ru)
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Дамьен ЛЕФЕВР (FR)
Дамьен ЛЕФЕВР
Эвангелос ГЕОРГИАДИС (FR)
Эвангелос ГЕОРГИАДИС
Аннабэлль КОРНЕТТ (FR)
Аннабэлль КОРНЕТТ
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Пежо Ситроен Отомобиль Са (Fr)
Пежо Ситроен Отомобиль Са
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • F02D2041/1416—Observer
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • F02D2041/1417—Kalman filter
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • F02D2041/1419—Several control loops, either as alternatives or simultaneous the control loops being cascaded, i.e. being placed in series or nested
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

1. Способ регулирования температуры фильтра-улавливателя частиц (5) в выхлопной трубе (1) дизельного двигателя, при этом выхлопная труба (1) содержит: ! вход (2) выхлопных газов дизельного двигателя, ! топливный инжектор (3), образующий систему испарения дизельного топлива (VAP), и ! катализатор 4, расположенный на входе фильтра (5), ! отличающийся тем, что температуру фильтра (5) регулируют при помощи контура (10) быстрого регулирования без температурного датчика (6) на входе фильтра-улавливателя частиц (5), поддерживающего температуру фильтра (5), близкую к заданной температуре, при помощи параметров быстрого регулирования и связанного с контуром медленного регулирования с измерением температуры (6), корректирующего заданное значение расхода топливного инжектора (3) Q(IGE) при помощи параметров медленного регулирования. ! 2. Способ по п.1, отличающийся тем, что в качестве параметров быстрого регулирования используют температуру (Т4) и расход (Qair) выхлопных газов. ! 3. Способ по п.1 или 2, отличающийся тем, что контур (10) быстрого регулирования использует температурную модель (11) катализатора. (4), в которой входными значениями являются расход топливного инжектора (Q(IGE)), температура (Т4) выхлопных газов и расход воздуха (Qair) на входе катализатора для определения путем вычисления термического поведения катализатора (4). ! 4. Способ по п.3, отличающийся тем, что модель (11) прогнозирует температуру (Т5) воздуха, поступающего в фильтр, при помощи уравнения типа ! , ! где Q(IGE) является расходом впрыскиваемого дизельного топлива в г/с; Tm(Qair) является постоянной времени в с; K(Qair) является коэффициентом экзотермического повышения в К·с/г между расходом в� 1. A method of regulating the temperature of the particle filter (5) in the exhaust pipe (1) of a diesel engine, while the exhaust pipe (1) contains:! diesel inlet (2),! the fuel injector (3) forming the Diesel Evaporation System (VAP), and! catalytic converter 4 located at the filter inlet (5)! characterized in that the temperature of the filter (5) is controlled by means of a fast control loop (10) without a temperature sensor (6) at the inlet of the particle filter (5), which maintains the temperature of the filter (5) close to the set temperature, using the fast parameters regulation and associated with the slow control loop with temperature measurement (6), correcting the set value of the fuel injector (3) flow rate Q (IGE) using the slow control parameters. ! 2. The method according to claim 1, characterized in that the temperature (T4) and the flow rate (Qair) of the exhaust gases are used as the parameters of the fast regulation. ! 3. A method according to claim 1 or 2, characterized in that the fast control loop (10) uses a temperature model (11) of the catalyst. (4), in which the input values are fuel injector flow rate (Q (IGE)), exhaust gas temperature (T4) and air flow rate (Qair) at the catalyst inlet to be determined by calculating the thermal behavior of the catalyst (4). ! 4. The method according to claim 3, characterized in that the model (11) predicts the temperature (T5) of the air entering the filter using an equation of the type! ,! where Q (IGE) is the flow rate of the injected diesel fuel in g / s; Tm (Qair) is the time constant in s; K (Qair) is the coefficient of exothermic increase in K s / g between the flow rate in�

Claims (9)

1. Способ регулирования температуры фильтра-улавливателя частиц (5) в выхлопной трубе (1) дизельного двигателя, при этом выхлопная труба (1) содержит:1. The method of controlling the temperature of the particle trap filter (5) in the exhaust pipe (1) of a diesel engine, while the exhaust pipe (1) contains: вход (2) выхлопных газов дизельного двигателя,diesel engine exhaust inlet (2), топливный инжектор (3), образующий систему испарения дизельного топлива (VAP), иa fuel injector (3) forming a diesel fuel vaporization system (VAP), and катализатор 4, расположенный на входе фильтра (5),catalyst 4 located at the inlet of the filter (5), отличающийся тем, что температуру фильтра (5) регулируют при помощи контура (10) быстрого регулирования без температурного датчика (6) на входе фильтра-улавливателя частиц (5), поддерживающего температуру фильтра (5), близкую к заданной температуре, при помощи параметров быстрого регулирования и связанного с контуром медленного регулирования с измерением температуры (6), корректирующего заданное значение расхода топливного инжектора (3) Q(IGE) при помощи параметров медленного регулирования.characterized in that the temperature of the filter (5) is controlled by means of a quick control loop (10) without a temperature sensor (6) at the inlet of the particle trap filter (5), which maintains the temperature of the filter (5) close to a given temperature using fast parameters regulation and associated with the loop slow regulation with temperature measurement (6), correcting the set value of the fuel injector flow rate (3) Q (IGE) using the parameters of slow regulation. 2. Способ по п.1, отличающийся тем, что в качестве параметров быстрого регулирования используют температуру (Т4) и расход (Qair) выхлопных газов.2. The method according to claim 1, characterized in that the temperature (T4) and the flow rate (Q air ) of the exhaust gases are used as quick control parameters. 3. Способ по п.1 или 2, отличающийся тем, что контур (10) быстрого регулирования использует температурную модель (11) катализатора. (4), в которой входными значениями являются расход топливного инжектора (Q(IGE)), температура (Т4) выхлопных газов и расход воздуха (Qair) на входе катализатора для определения путем вычисления термического поведения катализатора (4).3. The method according to claim 1 or 2, characterized in that the rapid control loop (10) uses a temperature model (11) of the catalyst. (4), in which the input values are the fuel injector flow rate (Q (IGE) ), exhaust gas temperature (T4) and the air flow rate (Q air ) at the catalyst inlet to be determined by calculating the thermal behavior of the catalyst (4). 4. Способ по п.3, отличающийся тем, что модель (11) прогнозирует температуру (Т5) воздуха, поступающего в фильтр, при помощи уравнения типа4. The method according to claim 3, characterized in that the model (11) predicts the temperature (T5) of the air entering the filter using an equation of the type
Figure 00000001
,
Figure 00000001
, где Q(IGE) является расходом впрыскиваемого дизельного топлива в г/с; Tm(Qair) является постоянной времени в с; K(Qair) является коэффициентом экзотермического повышения в К·с/г между расходом впрыскиваемого топлива и температурой (Т5) фильтра-улавливателя частиц (5).where Q (IGE) is the injection rate of diesel fuel in g / s; Tm (Qair) is the time constant in s; K (Qair) is the coefficient of exothermic increase in K · s / g between the flow rate of the injected fuel and the temperature (T5) of the particle trap filter (5). 5. Способ по п.4, отличающийся тем, что температурную модель инвертируют получения значения расхода IGE при помощи следующего уравнения5. The method according to claim 4, characterized in that the temperature model is inverted to obtain the IGE flow value using the following equation
Figure 00000002
,
Figure 00000002
, где Kdepas и Krapide являются постоянными, и Т5(con) является заданной температурой фильтра (5).where K depas and K rapide are constant, and T5 (con) is the set filter temperature (5). 6. Способ по одному из пп.1, 2, 4, 5, отличающийся тем, что заданное значение расхода топливного инжектора (3) изменяют в зависимости от насыщений (14), характеризующих концентрацию газов в выхлопной трубе.6. The method according to one of claims 1, 2, 4, 5, characterized in that the set value of the flow rate of the fuel injector (3) is changed depending on the saturations (14) characterizing the concentration of gases in the exhaust pipe. 7. Способ по п.3, отличающийся тем, что заданное значение расхода топливного инжектора (3) изменяют в зависимости от насыщений (14), характеризующих концентрацию газов в выхлопной трубе.7. The method according to claim 3, characterized in that the set value of the flow rate of the fuel injector (3) is changed depending on the saturations (14) characterizing the concentration of gases in the exhaust pipe. 8. Способ по п.6, отличающийся тем, что в контуре медленного регулирования используют пропорционально-интегральный регулятор (ПИ), характеризующийся уравнениями типа8. The method according to claim 6, characterized in that in the loop of slow regulation using a proportional-integral controller (PI), characterized by equations of the type
Figure 00000003
,
Figure 00000003
, где Δt является периодом квантования, используемым вычислительным устройством, регулирующим расход IGE; Н является постоянным калибровочным параметром; и τBF является калибровочным параметром, характеризующим скорость реакции регулирования; KI является калибровочным членом.where Δt is the quantization period used by the computing device regulating the flow of IGE; H is a constant calibration parameter; and τ BF is a calibration parameter characterizing the speed of the control reaction; K I is a calibration member. 9. Автотранспортное средство, оборудованное фильтром-улавливателем частиц (5) в выхлопной трубе (1) дизельного двигателя, содержащей:9. A motor vehicle equipped with a particle trap filter (5) in the exhaust pipe (1) of a diesel engine, comprising: вход (2) выхлопных газов дизельного двигателя,diesel engine exhaust inlet (2), топливный инжектор (3), образующий систему испарения дизельного топлива (VAP), иa fuel injector (3) forming a diesel fuel vaporization system (VAP), and катализатор (4), расположенный на входе фильтра (5),a catalyst (4) located at the inlet of the filter (5), отличающееся тем, что содержит средства регулирования температуры (Т5) фильтра (5) при помощи:characterized in that it comprises means for controlling the temperature (T5) of the filter (5) by: контура (10) быстрого регулирования, поддерживающего температуру (Т5) фильтра (5) близкой к заданной температуре Т5(con) при помощи параметров быстрого регулирования, иa fast control loop (10) supporting the temperature (T5) of the filter (5) close to the set temperature T5 (con) using the fast control parameters, and контура (21) медленного регулирования, корректирующего расход IGE таким образом, чтобы определить заданное значение (Q(IGE)) топливного инжектора (3) при помощи способа по одному из пп.1-8. the slow regulation loop (21), which corrects the IGE flow rate in such a way as to determine the set value (Q (IGE) ) of the fuel injector (3) using the method according to one of claims 1 to 8.
RU2010116158/06A 2007-09-24 2008-08-28 METHOD FOR REGULATING THE PARTICLE FILTER-CUTTER TEMPERATURE RU2010116158A (en)

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FR0757789A FR2921416B1 (en) 2007-09-24 2007-09-24 METHOD FOR REGULATING THE TEMPERATURE OF A PARTICLE FILTER
FR0757789 2007-09-24

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FR2970299B1 (en) * 2011-01-11 2012-12-28 Peugeot Citroen Automobiles Sa METHOD FOR CONTROLLING THE REGENERATION TEMPERATURE OF A PARTICLE FILTER
FR2970737B1 (en) 2011-01-25 2012-12-28 Peugeot Citroen Automobiles Sa METHOD FOR CONTROLLING THE EXHAUST GAS TEMPERATURE TO OPTIMIZE THE REGENERATION OF A PARTICLE FILTER
JP5459306B2 (en) * 2011-12-27 2014-04-02 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine

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