DE69502845T2 - Diagnoseverfahren und -vorrichtung für ein Abgasreinigungssystem eines Motors - Google Patents

Diagnoseverfahren und -vorrichtung für ein Abgasreinigungssystem eines Motors

Info

Publication number
DE69502845T2
DE69502845T2 DE69502845T DE69502845T DE69502845T2 DE 69502845 T2 DE69502845 T2 DE 69502845T2 DE 69502845 T DE69502845 T DE 69502845T DE 69502845 T DE69502845 T DE 69502845T DE 69502845 T2 DE69502845 T2 DE 69502845T2
Authority
DE
Germany
Prior art keywords
engine
exhaust gas
gas purification
purification system
diagnostic method
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 - Fee Related
Application number
DE69502845T
Other languages
English (en)
Other versions
DE69502845D1 (de
Inventor
Nobuo Kurihara
Hiroshi Kimura
Yutaka Takaku
Toshio Ishii
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69502845D1 publication Critical patent/DE69502845D1/de
Application granted granted Critical
Publication of DE69502845T2 publication Critical patent/DE69502845T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
    • 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
    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE69502845T 1994-02-10 1995-02-09 Diagnoseverfahren und -vorrichtung für ein Abgasreinigungssystem eines Motors Expired - Fee Related DE69502845T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01608194A JP3244584B2 (ja) 1994-02-10 1994-02-10 エンジン排気ガス浄化装置の診断方法及び装置

Publications (2)

Publication Number Publication Date
DE69502845D1 DE69502845D1 (de) 1998-07-16
DE69502845T2 true DE69502845T2 (de) 1999-01-21

Family

ID=11906608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69502845T Expired - Fee Related DE69502845T2 (de) 1994-02-10 1995-02-09 Diagnoseverfahren und -vorrichtung für ein Abgasreinigungssystem eines Motors

Country Status (5)

Country Link
US (2) US5802843A (de)
EP (1) EP0667446B1 (de)
JP (1) JP3244584B2 (de)
KR (1) KR100385002B1 (de)
DE (1) DE69502845T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19946628A1 (de) * 1999-09-29 2001-04-05 Volkswagen Ag Verfahren zur Diagnose eines Schädigungszustandes eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators
DE10002542A1 (de) * 2000-01-21 2001-07-26 Volkswagen Ag Vorrichtung zur Temperaturmessung
DE102012203572B4 (de) * 2011-05-17 2014-08-14 Mitsubishi Electric Corporation Steuervorrichtung für Innenverbrennungsmotor

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WO1997012129A2 (de) * 1995-09-29 1997-04-03 Siemens Aktiengesellschaft Verfahren und vorrichtung zur umsetzung eines schadstoffes in einem abgas an einem katalysator
US5956941A (en) * 1996-10-15 1999-09-28 Ford Global Technologies, Inc. Method and system for estimating a midbed temperature of a catalytic converter
JP3262157B2 (ja) * 1997-01-24 2002-03-04 本田技研工業株式会社 内燃機関の燃料供給制御装置
DE19736233C2 (de) * 1997-08-20 2001-03-29 Siemens Ag Verfahren zum Überprüfen eines Katalysators
DE19745039C2 (de) * 1997-10-11 2000-09-07 Heraeus Electro Nite Int Verfahren zur Überwachung der Funktionsfähigkeit eines Katalysators
AU9295298A (en) * 1997-11-03 1999-05-24 Engelhard Corporation Apparatus and method for diagnosis of catalyst performance
US6026639A (en) * 1997-11-03 2000-02-22 Engelhard Corporation Apparatus and method for diagnosis of catalyst performance
DE19811574A1 (de) * 1998-03-17 1999-09-23 Siemens Ag Verfahren und Vorrichtung zum Überwachen der Funktionsfähigkeit eines Katalysators einer Brennkraftmaschine
DE19835748A1 (de) 1998-08-07 2000-02-10 Daimler Chrysler Ag Verfahren zur simulierten Bildung eines die momentane Katalysatortemperatur repräsentierenden Signals
DE19913901C2 (de) * 1999-03-26 2001-10-18 Siemens Ag Verfahren zum Überprüfen der Funktionsfähigkeit eines Katalysators
US6295808B1 (en) * 1999-06-29 2001-10-02 Hereaus Electro-Nite International N.V. High driveability index fuel detection by exhaust gas temperature measurement
US6439767B1 (en) * 1999-09-17 2002-08-27 General Electric Company Engine thrust bearing condition monitoring system and method
IT1311110B1 (it) * 1999-10-26 2002-02-28 Magneti Marelli Spa Metodo per la diagnosi di un sistema di abbattimento dei gas discarico per un motore a combustione interna.
DE60003627T2 (de) * 2000-01-05 2004-06-09 Robert Bosch Gmbh Verfahren zur Regelung der Wärmeverluste eines katalytischen Konverters während Schubbetrieb
US6286305B1 (en) * 2000-02-23 2001-09-11 Daimlerchrysler Corporation Model based enrichment for exhaust temperature protection
US6308697B1 (en) 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method for improved air-fuel ratio control in engines
US6487850B1 (en) 2000-03-17 2002-12-03 Ford Global Technologies, Inc. Method for improved engine control
US6427437B1 (en) 2000-03-17 2002-08-06 Ford Global Technologies, Inc. Method for improved performance of an engine emission control system
US6708483B1 (en) 2000-03-17 2004-03-23 Ford Global Technologies, Llc Method and apparatus for controlling lean-burn engine based upon predicted performance impact
US6860100B1 (en) * 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6360529B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for enabling lean engine operation upon engine start-up
US6308515B1 (en) 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
US6843051B1 (en) 2000-03-17 2005-01-18 Ford Global Technologies, Llc Method and apparatus for controlling lean-burn engine to purge trap of stored NOx
US6438944B1 (en) 2000-03-17 2002-08-27 Ford Global Technologies, Inc. Method and apparatus for optimizing purge fuel for purging emissions control device
US6629453B1 (en) 2000-03-17 2003-10-07 Ford Global Technologies, Llc Method and apparatus for measuring the performance of an emissions control device
US6487849B1 (en) 2000-03-17 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency
US6594989B1 (en) 2000-03-17 2003-07-22 Ford Global Technologies, Llc Method and apparatus for enhancing fuel economy of a lean burn internal combustion engine
US6360530B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for measuring lean-burn engine emissions
US6434930B1 (en) 2000-03-17 2002-08-20 Ford Global Technologies, Inc. Method and apparatus for controlling lean operation of an internal combustion engine
US6481199B1 (en) 2000-03-17 2002-11-19 Ford Global Technologies, Inc. Control for improved vehicle performance
US6477832B1 (en) 2000-03-17 2002-11-12 Ford Global Technologies, Inc. Method for improved performance of a vehicle having an internal combustion engine
US6539704B1 (en) 2000-03-17 2003-04-01 Ford Global Technologies, Inc. Method for improved vehicle performance
US6374597B1 (en) 2000-03-17 2002-04-23 Ford Global Technologies, Inc. Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
US6499293B1 (en) 2000-03-17 2002-12-31 Ford Global Technologies, Inc. Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine
US6327847B1 (en) 2000-03-17 2001-12-11 Ford Global Technologies, Inc. Method for improved performance of a vehicle
US6810659B1 (en) 2000-03-17 2004-11-02 Ford Global Technologies, Llc Method for determining emission control system operability
FR2808561B1 (fr) * 2000-05-05 2002-07-19 Sagem Dispositif et procede de detection de la degradation d'un convertisseur catalytique
US6415602B1 (en) * 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
US6691507B1 (en) 2000-10-16 2004-02-17 Ford Global Technologies, Llc Closed-loop temperature control for an emission control device
US6467259B1 (en) 2001-06-19 2002-10-22 Ford Global Technologies, Inc. Method and system for operating dual-exhaust engine
US6615577B2 (en) 2001-06-19 2003-09-09 Ford Global Technologies, Llc Method and system for controlling a regeneration cycle of an emission control device
US6487853B1 (en) 2001-06-19 2002-12-03 Ford Global Technologies. Inc. Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor
US6604504B2 (en) 2001-06-19 2003-08-12 Ford Global Technologies, Llc Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine
US6463733B1 (en) 2001-06-19 2002-10-15 Ford Global Technologies, Inc. Method and system for optimizing open-loop fill and purge times for an emission control device
US6694244B2 (en) 2001-06-19 2004-02-17 Ford Global Technologies, Llc Method for quantifying oxygen stored in a vehicle emission control device
US6539706B2 (en) 2001-06-19 2003-04-01 Ford Global Technologies, Inc. Method and system for preconditioning an emission control device for operation about stoichiometry
US6502387B1 (en) 2001-06-19 2003-01-07 Ford Global Technologies, Inc. Method and system for controlling storage and release of exhaust gas constituents in an emission control device
US6650991B2 (en) 2001-06-19 2003-11-18 Ford Global Technologies, Llc Closed-loop method and system for purging a vehicle emission control
US6453666B1 (en) 2001-06-19 2002-09-24 Ford Global Technologies, Inc. Method and system for reducing vehicle tailpipe emissions when operating lean
US6546718B2 (en) 2001-06-19 2003-04-15 Ford Global Technologies, Inc. Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
US6490860B1 (en) 2001-06-19 2002-12-10 Ford Global Technologies, Inc. Open-loop method and system for controlling the storage and release cycles of an emission control device
US6553754B2 (en) 2001-06-19 2003-04-29 Ford Global Technologies, Inc. Method and system for controlling an emission control device based on depletion of device storage capacity
US6691020B2 (en) 2001-06-19 2004-02-10 Ford Global Technologies, Llc Method and system for optimizing purge of exhaust gas constituent stored in an emission control device
WO2003005859A2 (en) * 2001-07-11 2003-01-23 Alfmeier Corporation Integrated adjustable lumbar support and trim attachment system
US6601382B2 (en) * 2001-11-15 2003-08-05 Ford Global Technologies, Llc Method and apparatus for determining a temperature of an emission catalyst
EP1316694A1 (de) * 2001-11-30 2003-06-04 Ford Global Technologies, Inc. Verfahren und Anordnung zur Vermeidung einer Schädigung von einem in einem Abgaskanal angeordneten Katalysator
DE10201994A1 (de) * 2002-01-21 2003-07-31 Bosch Gmbh Robert Verfahren zur Steuer- und/oder Regelung eines elektrisch beheizbaren Katalysators und Abgasnachbehandlungsanlage
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DE10248842A1 (de) * 2002-10-19 2004-04-29 Daimlerchrysler Ag Vorrichtung und Verfahren zur Bestimmung des Alterungszustands eines Abgaskatalysators
DE102004030301A1 (de) * 2004-06-23 2006-01-12 Adam Opel Ag Betriebsverfahren für eine Brennkraftmaschine mit Abgaskatalysator und Steuergerät dafür
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US8186151B2 (en) * 2009-06-09 2012-05-29 GM Global Technology Operations LLC Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications
DE102010030868B4 (de) * 2010-07-02 2022-11-10 Robert Bosch Gmbh Verfahren zur Diagnose und/oder zur Anpassung von mindestens einem System einer Vorrichtung
JP5459124B2 (ja) * 2010-07-16 2014-04-02 日産自動車株式会社 アイドルストップ車両の触媒温度推定装置
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JP6235053B2 (ja) * 2016-02-01 2017-11-22 株式会社ケーヒン 内燃機関制御装置
DE102018219567A1 (de) * 2018-11-15 2020-05-20 Continental Automotive Gmbh Verfahren zum Erkennen einer Anpassungsnotwendigkeit eines Kompensationsfaktors eines amperometrischen Sensors und amperometrischer Sensor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19946628A1 (de) * 1999-09-29 2001-04-05 Volkswagen Ag Verfahren zur Diagnose eines Schädigungszustandes eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators
DE10002542A1 (de) * 2000-01-21 2001-07-26 Volkswagen Ag Vorrichtung zur Temperaturmessung
DE102012203572B4 (de) * 2011-05-17 2014-08-14 Mitsubishi Electric Corporation Steuervorrichtung für Innenverbrennungsmotor

Also Published As

Publication number Publication date
JPH07224640A (ja) 1995-08-22
US6050087A (en) 2000-04-18
DE69502845D1 (de) 1998-07-16
US5802843A (en) 1998-09-08
KR950032992A (ko) 1995-12-22
EP0667446A1 (de) 1995-08-16
KR100385002B1 (ko) 2003-08-09
JP3244584B2 (ja) 2002-01-07
EP0667446B1 (de) 1998-06-10

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8339 Ceased/non-payment of the annual fee