FR2714729B1 - Dispositif d'exploitation du signal d'une sonde à oxygène. - Google Patents

Dispositif d'exploitation du signal d'une sonde à oxygène.

Info

Publication number
FR2714729B1
FR2714729B1 FR9414383A FR9414383A FR2714729B1 FR 2714729 B1 FR2714729 B1 FR 2714729B1 FR 9414383 A FR9414383 A FR 9414383A FR 9414383 A FR9414383 A FR 9414383A FR 2714729 B1 FR2714729 B1 FR 2714729B1
Authority
FR
France
Prior art keywords
signal
processing
oxygen sensor
oxygen
sensor
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
FR9414383A
Other languages
English (en)
Other versions
FR2714729A1 (fr
Inventor
Gerhard Hoetzel
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2714729A1 publication Critical patent/FR2714729A1/fr
Application granted granted Critical
Publication of FR2714729B1 publication Critical patent/FR2714729B1/fr
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
    • F02D41/24—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
    • F02D41/2432—Methods of calibration
    • 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
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/4175—Calibrating or checking the analyser
    • 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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
FR9414383A 1993-12-30 1994-11-30 Dispositif d'exploitation du signal d'une sonde à oxygène. Expired - Fee Related FR2714729B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4344961A DE4344961B4 (de) 1993-12-30 1993-12-30 Auswertevorrichtung für das Signal einer Sauerstoffsonde

Publications (2)

Publication Number Publication Date
FR2714729A1 FR2714729A1 (fr) 1995-07-07
FR2714729B1 true FR2714729B1 (fr) 1996-09-20

Family

ID=6506521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9414383A Expired - Fee Related FR2714729B1 (fr) 1993-12-30 1994-11-30 Dispositif d'exploitation du signal d'une sonde à oxygène.

Country Status (5)

Country Link
US (1) US5524472A (fr)
JP (1) JP3639626B2 (fr)
DE (1) DE4344961B4 (fr)
FR (1) FR2714729B1 (fr)
GB (1) GB2285314B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1306316B1 (it) * 1998-07-16 2001-06-04 Magneti Marelli Spa Metodo di controllo di una sonda lineare di ossigeno.
JP3692640B2 (ja) * 1996-02-28 2005-09-07 株式会社デンソー 酸素濃度センサの素子抵抗検出方法
US6084418A (en) * 1996-02-28 2000-07-04 Denso Corporation Method for accurately detecting sensor element resistance
IT1285863B1 (it) * 1996-05-08 1998-06-24 Magneti Marelli Spa Circuito di controllo per un riscaldatore a resistenza variabile associato ad un sensore di ossigeno nei gas di scarico.
DE19625899C2 (de) * 1996-06-27 2002-11-28 Siemens Ag Verfahren zum Betreiben einer Sauerstoffsonde
US5852228A (en) * 1996-07-10 1998-12-22 Denso Corporation Apparatus and method for controlling oxygen sensor heating
US5980728A (en) * 1996-09-24 1999-11-09 Rosemont Analytical Inc. Diagnostic method and apparatus for solid electrolyte gas analyzer
US5869744A (en) * 1996-10-18 1999-02-09 Honda Giken Kogyo Kabushiki Kaisha Oxygen concentration-detecting device for internal combustion engines
JP3332761B2 (ja) * 1996-11-08 2002-10-07 日本特殊陶業株式会社 酸素濃度・窒素酸化物濃度測定方法及び装置
US5691464A (en) * 1997-02-05 1997-11-25 Litton Systems, Inc. Apparatus for high oxygen concentration measurement using limiting current oxygen sensor
DE19719390A1 (de) * 1997-05-07 1998-11-12 Bayerische Motoren Werke Ag Verfahren zur Überprüfung der Funktionsfähigkeit der elektrischen Heizung einer Lambda-Sonde im Abgasrohr einer Brennkraftmaschine
JPH1114589A (ja) * 1997-06-23 1999-01-22 Ngk Insulators Ltd ガスセンサ
IT1306315B1 (it) * 1998-07-16 2001-06-04 Magneti Marelli Spa Dispositivo di controllo di una sonda lineare di ossigeno
DE19859580C2 (de) * 1998-12-22 2001-03-29 Siemens Ag Verfahren zum Betreiben eines Abgas-Messaufnehmers im Abgassystem einer Brennkraftmaschine
US6227033B1 (en) * 1999-03-11 2001-05-08 Delphi Technologies, Inc. Auto-calibration method for a wide range exhaust gas oxygen sensor
DE19926139A1 (de) * 1999-06-09 2000-12-14 Volkswagen Ag Kalibrierung eines NOx-Sensors
DE19944181A1 (de) * 1999-09-15 2001-04-12 Bosch Gmbh Robert Sensor zur Bestimmung der Konzentration von Gaskomponenten in Gasgemischen
DE10049685A1 (de) * 2000-10-07 2002-04-11 Volkswagen Ag Verfahren und Vorrichtung zur Eigendiagnose eines NOX-Sensors
WO2002082067A2 (fr) * 2001-04-05 2002-10-17 Robert Bosch Gmbh Capteur de gaz, notamment sonde lambda
DE10138806C1 (de) * 2001-08-14 2002-12-19 Bosch Gmbh Robert Ermittlung der Temperatur eines Abgassensors mittels kalibrierter Innenwiderstandsmessung
DE102004035177A1 (de) * 2003-07-21 2005-02-10 Vaillant Gmbh Verfahren zur Kompensation der Alterung eines Sensors zur Erfassung einer Gaskonzentration
DE102004029899A1 (de) 2004-06-19 2006-01-12 Audi Ag Verfahren und Vorrichtung zur Regelung des einer Brennkraftmaschine zugeführten Luft/Kraftstoffverhältnisses in Abhängigkeit von dem mittleren Befüllungsgrad des Sauerstoffspeichers eines Abgaskatalysators
US7232512B2 (en) * 2004-08-25 2007-06-19 Honeywell International, Inc. System and method of sensitivity adjustment for an electrochemical sensor
DE102009053411A1 (de) * 2009-11-14 2011-05-19 Volkswagen Ag Verfahren zum Verarbeiten eines gemessenen, ohmschen Widerstandes R(t) eines Messelementes mit temperaturabhängigem, ohmschen Widerstand
DE102011017015B4 (de) 2011-04-14 2023-09-21 Mercedes-Benz Group AG Verfahren zum Betreiben einer Lambdasonde

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626338A (en) * 1981-05-01 1986-12-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Equipment for detecting oxygen concentration
DE3117790A1 (de) * 1981-05-06 1982-11-25 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur temperaturmessung bei sauerstoffsonden
US4708777A (en) * 1984-02-06 1987-11-24 Nippondenso Co., Ltd. Method and apparatus for controlling heater of a gas sensor
JPS61195349A (ja) * 1985-02-25 1986-08-29 Ngk Spark Plug Co Ltd 内燃機関の空燃比検出装置
JPH0727391Y2 (ja) * 1986-02-04 1995-06-21 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JPS6312855A (ja) * 1986-07-04 1988-01-20 Toyota Motor Corp 内燃機関の空燃比制御装置
DE3727573A1 (de) * 1987-08-19 1989-03-02 Bosch Gmbh Robert Verfahren und einrichtung zur warmlauf-, vollast- und magerregelung einer brennkraftmaschine bei vorgegebenem lambda-wert
JPH01147139A (ja) * 1987-12-01 1989-06-08 Mitsubishi Electric Corp 内燃機関の空燃比検出装置
JPH07122627B2 (ja) * 1987-12-16 1995-12-25 日本電装株式会社 酸素濃度センサ用ヒータの制御装置
JPH0738844Y2 (ja) * 1988-10-07 1995-09-06 トヨタ自動車株式会社 酸素センサ用ヒータ制御装置
JPH0760141B2 (ja) * 1988-10-11 1995-06-28 株式会社日立製作所 エンジンの空燃比制御装置
DE3840148A1 (de) * 1988-11-29 1990-05-31 Bosch Gmbh Robert Verfahren und vorrichtung zum erkennen eines fehlerzustandes einer lambdasonde
JPH04148856A (ja) * 1990-10-12 1992-05-21 Toyota Motor Corp 酸素濃度検出センサのヒータ制御装置
US5111792A (en) * 1991-06-07 1992-05-12 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling heater for oxygen sensor and fuel control apparatus using the same
DE4132008C2 (de) * 1991-09-26 2000-04-06 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit einer Heizung einer Sauerstoffsonde

Also Published As

Publication number Publication date
GB9425832D0 (en) 1995-02-22
US5524472A (en) 1996-06-11
GB2285314B (en) 1997-11-26
DE4344961B4 (de) 2004-05-06
JP3639626B2 (ja) 2005-04-20
GB2285314A (en) 1995-07-05
FR2714729A1 (fr) 1995-07-07
DE4344961A1 (de) 1995-07-06
JPH07209245A (ja) 1995-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100730