DE69724077D1 - Verfahren zum Ermitteln der Verschlechterung eines Katalysators zur Abgasreinigung - Google Patents

Verfahren zum Ermitteln der Verschlechterung eines Katalysators zur Abgasreinigung

Info

Publication number
DE69724077D1
DE69724077D1 DE69724077T DE69724077T DE69724077D1 DE 69724077 D1 DE69724077 D1 DE 69724077D1 DE 69724077 T DE69724077 T DE 69724077T DE 69724077 T DE69724077 T DE 69724077T DE 69724077 D1 DE69724077 D1 DE 69724077D1
Authority
DE
Germany
Prior art keywords
exhaust gas
gas purification
purification catalyst
determining deterioration
deterioration
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.)
Expired - Lifetime
Application number
DE69724077T
Other languages
English (en)
Other versions
DE69724077T2 (de
Inventor
Shusuke Akazaki
Kohei Hanada
Yuji Yasui
Yoshikazau Oshima
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Application granted granted Critical
Publication of DE69724077D1 publication Critical patent/DE69724077D1/de
Publication of DE69724077T2 publication Critical patent/DE69724077T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust 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
    • 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
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F02D41/1454—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 oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—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 oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • 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

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Silencers (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE69724077T 1996-11-19 1997-11-19 Verfahren zum Ermitteln der Verschlechterung eines Katalysators zur Abgasreinigung Expired - Lifetime DE69724077T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30773696 1996-11-19
JP30773696 1996-11-19
JP27559797 1997-10-08
JP27559797A JP3331161B2 (ja) 1996-11-19 1997-10-08 排気ガス浄化用触媒装置の劣化判別方法

Publications (2)

Publication Number Publication Date
DE69724077D1 true DE69724077D1 (de) 2003-09-18
DE69724077T2 DE69724077T2 (de) 2004-03-18

Family

ID=26551530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69724077T Expired - Lifetime DE69724077T2 (de) 1996-11-19 1997-11-19 Verfahren zum Ermitteln der Verschlechterung eines Katalysators zur Abgasreinigung

Country Status (4)

Country Link
US (1) US5937638A (de)
EP (1) EP0844379B1 (de)
JP (1) JP3331161B2 (de)
DE (1) DE69724077T2 (de)

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US6151888A (en) * 1996-06-12 2000-11-28 Robert Bosch Gmbh Method of diagnosing a catalytic converter
US7127883B1 (en) * 1997-11-10 2006-10-31 Mitsubishi Jidosha Kogoyo Kabushiki Kaisha Exhaust gas purifying apparatus of internal combustion engine
CN1166855C (zh) * 1998-07-17 2004-09-15 本田技研工业株式会社 排气净化用催化剂装置的劣化判别方法
US6244046B1 (en) * 1998-07-17 2001-06-12 Denso Corporation Engine exhaust purification system and method having NOx occluding and reducing catalyst
JP3484088B2 (ja) * 1998-12-17 2004-01-06 本田技研工業株式会社 プラントの制御装置
JP3374773B2 (ja) * 1998-12-28 2003-02-10 トヨタ自動車株式会社 内燃機関の触媒劣化検出装置
JP3805562B2 (ja) * 1999-06-03 2006-08-02 三菱電機株式会社 内燃機関の排気浄化装置
JP3655146B2 (ja) * 1999-10-08 2005-06-02 本田技研工業株式会社 多気筒内燃機関の空燃比制御装置
EP1092856B1 (de) * 1999-10-12 2004-03-17 Honda Giken Kogyo Kabushiki Kaisha System zur Steuerung der Abgasemissionen einer Brennkraftmaschine
JP3688533B2 (ja) * 1999-11-12 2005-08-31 本田技研工業株式会社 排ガス浄化用触媒装置の劣化状態評価方法
JP3782269B2 (ja) * 1999-11-12 2006-06-07 本田技研工業株式会社 内燃機関の空燃比制御装置
JP3967524B2 (ja) * 1999-12-22 2007-08-29 本田技研工業株式会社 内燃機関の空燃比制御装置
DE10109331C1 (de) * 2001-02-27 2002-06-13 Siemens Ag Verfahren zum Einstellen der Sauerstoffkonzentration eines Dreiwege-Katalysatorsystems
US6993899B2 (en) * 2001-06-20 2006-02-07 Ford Global Technologies, Llc System and method for controlling catalyst storage capacity
JP3846375B2 (ja) * 2002-07-10 2006-11-15 トヨタ自動車株式会社 触媒劣化判定方法
JP4075706B2 (ja) * 2003-01-23 2008-04-16 トヨタ自動車株式会社 排気ガス浄化装置
JP2004293338A (ja) * 2003-03-25 2004-10-21 Mitsubishi Fuso Truck & Bus Corp ＮＯｘ吸蔵量の推定方法
US20040168431A1 (en) * 2004-01-13 2004-09-02 Goralski Christian T. System and method to minimize the amount of NOx emissions by optimizing the amount of supplied reductant
FR2866926B1 (fr) * 2004-02-27 2008-02-22 Peugeot Citroen Automobiles Sa Procede de diagnostic pour un catalyseur de gaz d'echappement d'un moteur thermique et vehicule mettant en oeuvre ce procede
FR2866925B1 (fr) * 2004-02-27 2006-10-13 Peugeot Citroen Automobiles Sa Procede de controle du traitement des gaz d'echappement d'un moteur thermique et vehicule a moteur thermique mettant en oeuvre ce procede
DE102004021372B4 (de) * 2004-04-30 2014-05-28 Robert Bosch Gmbh Verfahren zum Dosieren eines Reagenzmittels zur Reinigung des Abgases von Brennkraftmaschinen und Vorrichtung zur Durchführung des Verfahrens
JP2006002663A (ja) * 2004-06-17 2006-01-05 Hino Motors Ltd 排気浄化装置
JP4312668B2 (ja) * 2004-06-24 2009-08-12 三菱電機株式会社 内燃機関の空燃比制御装置
JP4572709B2 (ja) * 2005-03-18 2010-11-04 トヨタ自動車株式会社 内燃機関の排気浄化システム
US8215098B2 (en) * 2005-05-02 2012-07-10 Cummins Inc. Method and apparatus for diagnosing exhaust gas aftertreatment component degradation
FR2891584B1 (fr) * 2005-10-03 2011-03-11 Renault Sas Procede de commande d'un moteur de vehicule pour evaluer l'efficacite d'un organe d'oxydation de la ligne d'echappement
US8099947B2 (en) * 2006-05-03 2012-01-24 Ford Global Technologies, Llc Control and diagnostic approach for emission control device
US8539759B2 (en) * 2006-09-13 2013-09-24 GM Global Technology Operations LLC Regeneration control system for a particulate filter
JP2009115012A (ja) * 2007-11-08 2009-05-28 Denso Corp 内燃機関の空燃比制御装置
EP2447489B1 (de) * 2009-06-26 2014-12-31 Toyota Jidosha Kabushiki Kaisha Abgasentgiftungssystem eines verbrennungsmotors
DE102009040534B3 (de) * 2009-09-08 2010-12-16 Audi Ag Verfahren zum Überprüfen der Leistungsfähigkeit eines Katalysators
EP2613032B1 (de) * 2010-09-01 2017-05-10 Toyota Jidosha Kabushiki Kaisha Vorrichtung und verfahren zur erkennung der verschlechterung von katalysatoren
WO2014013552A1 (ja) * 2012-07-17 2014-01-23 本田技研工業株式会社 内燃機関の排気浄化システム
US8901871B2 (en) 2012-10-26 2014-12-02 Woodward Hrt, Inc. Robust controller for electro-mechanical actuators employing sliding and second control modes
US20170348638A1 (en) * 2016-06-02 2017-12-07 General Electric Company System and method of reducing oxygen concentration in an exhaust gas stream
JP2019157652A (ja) * 2018-03-07 2019-09-19 トヨタ自動車株式会社 内燃機関の制御装置
DE102020205025A1 (de) * 2019-05-09 2020-11-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Überwachung eines SCR-Katalysators

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US5088281A (en) * 1988-07-20 1992-02-18 Toyota Jidosha Kabushiki Kaisha Method and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor system
JP2526640B2 (ja) 1988-07-20 1996-08-21 トヨタ自動車株式会社 内燃機関の触媒劣化判別装置
JPH0718368B2 (ja) * 1990-04-02 1995-03-06 トヨタ自動車株式会社 内燃機関の触媒劣化検出装置
JP2666532B2 (ja) * 1990-07-30 1997-10-22 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2678985B2 (ja) * 1991-09-18 1997-11-19 本田技研工業株式会社 内燃エンジンの空燃比制御装置
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JP3135680B2 (ja) * 1992-05-19 2001-02-19 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JP3075025B2 (ja) * 1993-06-30 2000-08-07 スズキ株式会社 内燃機関の触媒劣化判定装置
JP3162553B2 (ja) * 1993-09-13 2001-05-08 本田技研工業株式会社 内燃機関の空燃比フィードバック制御装置
JPH0884047A (ja) 1994-09-14 1996-03-26 Toshiba Corp ディジタル信号復号装置およびディジタル信号復号方法
US5602858A (en) 1993-09-20 1997-02-11 Kabushiki Kaisha Toshiba Digital signal decoding apparatus having a plurality of correlation tables and a method thereof
JP3325392B2 (ja) * 1994-07-06 2002-09-17 本田技研工業株式会社 内燃エンジンの燃料噴射制御装置
JP3269945B2 (ja) * 1994-08-12 2002-04-02 本田技研工業株式会社 内燃機関の燃料噴射制御装置
US5929320A (en) * 1995-03-16 1999-07-27 Hyundai Motor Company Apparatus and method for judging deterioration of catalysts device and oxygen content sensing device
EP1236873B1 (de) * 1995-10-26 2005-02-09 Toyota Jidosha Kabushiki Kaisha Feststellungsvorrichtung der Katalysatorverschlechterung einer Brennkraftmaschine
JP3336854B2 (ja) * 1996-04-11 2002-10-21 トヨタ自動車株式会社 内燃機関の触媒劣化判別装置

Also Published As

Publication number Publication date
JPH10205376A (ja) 1998-08-04
EP0844379B1 (de) 2003-08-13
EP0844379A2 (de) 1998-05-27
EP0844379A3 (de) 2000-04-05
DE69724077T2 (de) 2004-03-18
US5937638A (en) 1999-08-17
JP3331161B2 (ja) 2002-10-07

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Legal Events

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