DE69327148T2 - Verfahren und Vorrichtung zur Steuerung des Luft-Kraftstoffverhältnisses für Brennkraftmaschinen - Google Patents

Verfahren und Vorrichtung zur Steuerung des Luft-Kraftstoffverhältnisses für Brennkraftmaschinen

Info

Publication number
DE69327148T2
DE69327148T2 DE69327148T DE69327148T DE69327148T2 DE 69327148 T2 DE69327148 T2 DE 69327148T2 DE 69327148 T DE69327148 T DE 69327148T DE 69327148 T DE69327148 T DE 69327148T DE 69327148 T2 DE69327148 T2 DE 69327148T2
Authority
DE
Germany
Prior art keywords
controlling
air
internal combustion
fuel ratio
combustion engines
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
DE69327148T
Other languages
English (en)
Other versions
DE69327148D1 (de
Inventor
Douglas Ray Hamburg
Thomas Raymond Culbertson
Judith Mecham Curran
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Publication of DE69327148D1 publication Critical patent/DE69327148D1/de
Application granted granted Critical
Publication of DE69327148T2 publication Critical patent/DE69327148T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/14—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
    • 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
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control
    • 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
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
    • F02D41/248—Methods of calibrating or learning characterised by the method used for learning using a plurality of learned values
    • 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
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474—Characteristics of sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE69327148T 1992-11-03 1993-10-25 Verfahren und Vorrichtung zur Steuerung des Luft-Kraftstoffverhältnisses für Brennkraftmaschinen Expired - Fee Related DE69327148T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/970,910 US5255512A (en) 1992-11-03 1992-11-03 Air fuel ratio feedback control

Publications (2)

Publication Number Publication Date
DE69327148D1 DE69327148D1 (de) 2000-01-05
DE69327148T2 true DE69327148T2 (de) 2000-04-20

Family

ID=25517693

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327148T Expired - Fee Related DE69327148T2 (de) 1992-11-03 1993-10-25 Verfahren und Vorrichtung zur Steuerung des Luft-Kraftstoffverhältnisses für Brennkraftmaschinen

Country Status (4)

Country Link
US (1) US5255512A (de)
EP (1) EP0596635B1 (de)
JP (1) JPH06200810A (de)
DE (1) DE69327148T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010033335A1 (de) 2010-08-04 2012-02-09 Audi Ag Verfahren zum Ermitteln der Sauerstoffspeicherkapazität

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US5359852A (en) * 1993-09-07 1994-11-01 Ford Motor Company Air fuel ratio feedback control
US5386693A (en) * 1993-09-27 1995-02-07 Ford Motor Company Engine air/fuel control system with catalytic converter monitoring
US5404718A (en) * 1993-09-27 1995-04-11 Ford Motor Company Engine control system
US5381656A (en) * 1993-09-27 1995-01-17 Ford Motor Company Engine air/fuel control system with catalytic converter monitoring
US5363646A (en) * 1993-09-27 1994-11-15 Ford Motor Company Engine air/fuel control system with catalytic converter monitoring
JPH07229439A (ja) * 1994-02-17 1995-08-29 Unisia Jecs Corp 内燃機関の空燃比制御装置
US5632261A (en) * 1994-12-30 1997-05-27 Honda Giken Kogyo Kabushiki Kaisha Fuel metering control system for internal combustion engine
US5638802A (en) * 1995-02-25 1997-06-17 Honda Giken Kogyo Kabushiki Kaisha Fuel metering control system for internal combustion engine
US5638801A (en) * 1995-02-25 1997-06-17 Honda Giken Kogyo Kabushiki Kaisha Fuel metering control system for internal combustion engine
JP3372723B2 (ja) * 1995-08-01 2003-02-04 本田技研工業株式会社 内燃機関の空燃比制御装置
US5636135A (en) * 1995-09-05 1997-06-03 Ford Motor Company Method and apparatus for time-alignment of non-plug flow
DE19645279A1 (de) * 1995-11-11 1997-05-15 Volkswagen Ag Verfahren zur Regelung einer Abgasreinigungsvorrichtung an einer Brennkraftmaschine
US5598703A (en) * 1995-11-17 1997-02-04 Ford Motor Company Air/fuel control system for an internal combustion engine
FR2746851B1 (fr) * 1996-03-27 1998-04-30 Siemens Automotive Sa Procede et dispositif de regulation en boucle fermee de la richesse d'un melange air/carburant destine a l'alimentation d'un moteur a combustion interne
FR2772079B1 (fr) * 1997-12-08 2000-02-18 Renault Procede et dispositif de controle de l'injection d'un moteur a combustion interne
US6052989A (en) * 1998-01-23 2000-04-25 Ford Global Technologies, Inc. Emission control system for internal combustion engines
DE19856367C1 (de) 1998-12-07 2000-06-21 Siemens Ag Verfahren zur Reinigung des Abgases mit Lambda-Regelung
IT1309983B1 (it) * 1999-04-28 2002-02-05 Magneti Marelli Spa Metodo autoadattivo di controllo del titolo in un impianto diiniezione per un motore a combustione interna
US6463380B1 (en) * 1999-06-01 2002-10-08 General Electric Company Control system and method for controlling an engine in response to deterioration of the engine
US6253542B1 (en) 1999-08-17 2001-07-03 Ford Global Technologies, Inc. Air-fuel ratio feedback control
US6592833B1 (en) * 1999-10-18 2003-07-15 Delphi Technologies, Inc. Method of NOx abatement in high temperature lean NOx catalyst systems
US6354077B1 (en) 2000-01-20 2002-03-12 Ford Global Technologies, Inc. Method and system for controlling air/fuel level in two-bank exhaust system
US6276129B1 (en) 2000-01-20 2001-08-21 Ford Global Technologies, Inc. Method for controlling air/fuel mixture in an internal combustion engine
EP1118752B1 (de) 2000-01-20 2004-09-22 Ford Global Technologies, Inc. Diagnosesystem zur Überwachung der Funktionsfähigkeit eines Katalysators unter Verwendung eines Bogenlängen-Verhältnisses
US6282888B1 (en) 2000-01-20 2001-09-04 Ford Technologies, Inc. Method and system for compensating for degraded pre-catalyst oxygen sensor in a two-bank exhaust system
US6467254B1 (en) 2000-01-20 2002-10-22 Ford Global Technologies, Inc. Diagnostic system for detecting catalyst failure using switch ratio
US6301880B1 (en) 2000-01-20 2001-10-16 Ford Global Technologies, Inc. Method and system for controlling air/fuel level for internal combustion engine with two exhaust banks
US6453665B1 (en) 2000-04-28 2002-09-24 Ford Global Technologies, Inc. Catalyst based adaptive fuel control
US6363715B1 (en) 2000-05-02 2002-04-02 Ford Global Technologies, Inc. Air/fuel ratio control responsive to catalyst window locator
DE10205817A1 (de) * 2002-02-13 2003-08-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Regelung des Kraftstoff-/Luftverhältnisses eines Verbrennungsprozesses
US6996974B2 (en) * 2003-10-14 2006-02-14 General Motors Corporation Fuel control failure detection based on post O2 sensor
US7197866B2 (en) * 2003-11-10 2007-04-03 Ford Global Technologies, Llc Control approach for use with dual mode oxygen sensor
US7111451B2 (en) * 2004-09-16 2006-09-26 Delphi Technologies, Inc. NOx adsorber diagnostics and automotive exhaust control system utilizing the same
US7242310B2 (en) * 2005-04-28 2007-07-10 Rheem Manufacturing Company Control techniques for shut-off sensors in fuel-fired heating appliances
US7927305B2 (en) 2006-04-21 2011-04-19 Abbott Laboratories Systems, methods, and devices for injecting media contrast
US8206370B2 (en) 2006-04-21 2012-06-26 Abbott Laboratories Dual lumen guidewire support catheter
US8246574B2 (en) 2006-04-21 2012-08-21 Abbott Laboratories Support catheter
US7993303B2 (en) 2006-04-21 2011-08-09 Abbott Laboratories Stiffening support catheter and methods for using the same
US9230371B2 (en) 2013-09-19 2016-01-05 GM Global Technology Operations LLC Fuel control diagnostic systems and methods

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JP2984312B2 (ja) * 1990-04-11 1999-11-29 日本特殊陶業株式会社 空燃比センサによる触媒の浄化率測定方法及びその劣化時期検知方法
JPH0833127B2 (ja) * 1990-05-01 1996-03-29 株式会社ユニシアジェックス 内燃機関の空燃比制御装置
JPH0417747A (ja) * 1990-05-07 1992-01-22 Japan Electron Control Syst Co Ltd 内燃機関の空燃比制御装置
JP2600987B2 (ja) * 1990-07-09 1997-04-16 日産自動車株式会社 空燃比制御装置の診断装置
JP2936809B2 (ja) * 1990-07-24 1999-08-23 株式会社デンソー 酸素センサーの劣化検出装置
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JPH04321740A (ja) * 1991-04-19 1992-11-11 Mitsubishi Electric Corp エンジンの空燃比制御装置
US5115639A (en) * 1991-06-28 1992-05-26 Ford Motor Company Dual EGO sensor closed loop fuel control
US5099647A (en) * 1991-06-28 1992-03-31 Ford Motor Company Combined engine air/fuel control and catalyst monitoring
US5159810A (en) * 1991-08-26 1992-11-03 Ford Motor Company Catalytic converter monitoring using downstream oxygen sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010033335A1 (de) 2010-08-04 2012-02-09 Audi Ag Verfahren zum Ermitteln der Sauerstoffspeicherkapazität
DE102010033335B4 (de) * 2010-08-04 2020-10-22 Audi Ag Verfahren zum Ermitteln der Sauerstoffspeicherkapazität eines einem Katalysator zugeordneten Sauerstoffspeichers

Also Published As

Publication number Publication date
EP0596635B1 (de) 1999-12-01
EP0596635A2 (de) 1994-05-11
DE69327148D1 (de) 2000-01-05
US5255512A (en) 1993-10-26
EP0596635A3 (de) 1997-12-10
JPH06200810A (ja) 1994-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE

8339 Ceased/non-payment of the annual fee