EP1508683A3 - Verfahren zum Betreiben einer Brennkraftmaschine - Google Patents

Verfahren zum Betreiben einer Brennkraftmaschine Download PDF

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Publication number
EP1508683A3
EP1508683A3 EP04103569A EP04103569A EP1508683A3 EP 1508683 A3 EP1508683 A3 EP 1508683A3 EP 04103569 A EP04103569 A EP 04103569A EP 04103569 A EP04103569 A EP 04103569A EP 1508683 A3 EP1508683 A3 EP 1508683A3
Authority
EP
European Patent Office
Prior art keywords
storage
combustion engine
internal combustion
operating
catalytic converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04103569A
Other languages
English (en)
French (fr)
Other versions
EP1508683B1 (de
EP1508683A2 (de
Inventor
Sören HINZE
Hermann Hahn
Gerrit Bruns
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP1508683A2 publication Critical patent/EP1508683A2/de
Publication of EP1508683A3 publication Critical patent/EP1508683A3/de
Application granted granted Critical
Publication of EP1508683B1 publication Critical patent/EP1508683B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F02D41/0295—Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
    • 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
    • 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
    • F02D41/146—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 an NOx content or concentration
    • 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
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2496—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories the memory being part of a closed loop
    • 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • F02D2041/1437—Simulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0802—Temperature of the exhaust gas treatment apparatus
    • F02D2200/0804—Estimation of the temperature of the exhaust gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0814—Oxygen storage amount

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Betreiben einer magerlauffähigen Brennkraftmaschine mit einem in einem Abgastrakt der Brennkraftmaschine angeordneten NOx-Speicherkatalysator. Hierbei wird ein Zustand einer NOx-Speicherfähigkeit und einer O2-Speicherfähigkeit des NOx-Speicherkatalysators adaptiert und mit dem adaptierten Zustand auf der Basis eines Modells für den NOx-Speicherkatalysator in frischem Zustand ermittelt, wann die NOx-Speicherfähigkeit des NOx-Speicherkatalysators erschöpft ist und in diesem Fall eine Regeneration des NOx-Speicherkatalysators angefordert, wobei eine Reduktionsmittelmenge zur Umsetzung der im NOx-Speicherkatalysator gespeicherten NOx- und O2-Menge berechnet und auf der Basis der berechneten Reduktionsmittelmenge die Regeneration des NOx-Speicherkatalysators gesteuert durchgeführt wird.
EP04103569A 2003-08-18 2004-07-26 Verfahren zum Betreiben einer Brennkraftmaschine Expired - Lifetime EP1508683B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10337873 2003-08-18
DE10337873A DE10337873A1 (de) 2003-08-18 2003-08-18 Verfahren zum Betreiben einer Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP1508683A2 EP1508683A2 (de) 2005-02-23
EP1508683A3 true EP1508683A3 (de) 2007-01-03
EP1508683B1 EP1508683B1 (de) 2010-12-08

Family

ID=34042186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04103569A Expired - Lifetime EP1508683B1 (de) 2003-08-18 2004-07-26 Verfahren zum Betreiben einer Brennkraftmaschine

Country Status (3)

Country Link
EP (1) EP1508683B1 (de)
AT (1) ATE491087T1 (de)
DE (2) DE10337873A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090399A (zh) * 2021-05-18 2021-07-09 常州易控汽车电子股份有限公司 一种缩短NOx传感器露点释放时间的控制方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997617A1 (de) * 1998-10-28 2000-05-03 Ford Global Technologies, Inc., A subsidiary of Ford Motor Company Verfahren zur Regeneration einer Stickoxidfalle im Abgassystem eines Verbrennungsmotors sowie Vorrichtung zur Durchführung des Verfahrens
DE19929293A1 (de) * 1999-06-25 2000-12-28 Volkswagen Ag Verfahren zur Steuerung einer Regeneration eines NOx-Speicherkatalysators
DE10028365A1 (de) * 1999-06-10 2001-07-12 Hitachi Ltd Abgasreinigungssystem für einen Motor
DE10023079A1 (de) * 2000-05-11 2002-01-03 Volkswagen Ag Vorrichtung und Verfahren zur Steuerung einer NOx-Regeneration eines im Abgasstrang einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators
EP1184555A2 (de) * 2000-08-30 2002-03-06 Nissan Motor Co., Ltd. Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE10249026A1 (de) * 2001-11-19 2003-06-12 Ford Global Tech Inc Auswahl des Luft/Kraftstoff-Verhältnisses für die NOx-Spülung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19951544C1 (de) 1999-10-26 2000-12-07 Siemens Ag Verfahren zur Steuerung des Betriebs eines NOx-Speicherkatalysators

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997617A1 (de) * 1998-10-28 2000-05-03 Ford Global Technologies, Inc., A subsidiary of Ford Motor Company Verfahren zur Regeneration einer Stickoxidfalle im Abgassystem eines Verbrennungsmotors sowie Vorrichtung zur Durchführung des Verfahrens
DE10028365A1 (de) * 1999-06-10 2001-07-12 Hitachi Ltd Abgasreinigungssystem für einen Motor
DE19929293A1 (de) * 1999-06-25 2000-12-28 Volkswagen Ag Verfahren zur Steuerung einer Regeneration eines NOx-Speicherkatalysators
DE10023079A1 (de) * 2000-05-11 2002-01-03 Volkswagen Ag Vorrichtung und Verfahren zur Steuerung einer NOx-Regeneration eines im Abgasstrang einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators
EP1184555A2 (de) * 2000-08-30 2002-03-06 Nissan Motor Co., Ltd. Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE10249026A1 (de) * 2001-11-19 2003-06-12 Ford Global Tech Inc Auswahl des Luft/Kraftstoff-Verhältnisses für die NOx-Spülung

Also Published As

Publication number Publication date
EP1508683B1 (de) 2010-12-08
DE10337873A1 (de) 2005-04-21
ATE491087T1 (de) 2010-12-15
EP1508683A2 (de) 2005-02-23
DE502004011966D1 (de) 2011-01-20

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