DE60300545D1 - Verfahren und Vorrichtung zur Erfassung einer Sauerstoffkonzentration - Google Patents

Verfahren und Vorrichtung zur Erfassung einer Sauerstoffkonzentration

Info

Publication number
DE60300545D1
DE60300545D1 DE60300545T DE60300545T DE60300545D1 DE 60300545 D1 DE60300545 D1 DE 60300545D1 DE 60300545 T DE60300545 T DE 60300545T DE 60300545 T DE60300545 T DE 60300545T DE 60300545 D1 DE60300545 D1 DE 60300545D1
Authority
DE
Germany
Prior art keywords
detecting
oxygen concentration
oxygen
concentration
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
DE60300545T
Other languages
English (en)
Other versions
DE60300545T2 (de
Inventor
Hidenori Moriya
Tatsumasa Sugiyama
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE60300545D1 publication Critical patent/DE60300545D1/de
Application granted granted Critical
Publication of DE60300545T2 publication Critical patent/DE60300545T2/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
    • F02D41/24—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
    • F02D41/2448—Prohibition of learning
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • F02D41/1455—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 resistivity varying with oxygen 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
    • F02D41/02—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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • F02D41/1476—Biasing of the sensor
    • 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
    • F02D41/2438—Active learning methods
    • 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
    • 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
    • F02D41/0002—Controlling intake air
    • F02D2041/0022—Controlling intake air for diesel engines by throttle control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/32—Air-fuel ratio control in a diesel engine
    • 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
    • F02D41/0002—Controlling intake air
    • 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
    • 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE2003600545 2002-01-24 2003-01-23 Verfahren und Vorrichtung zur Erfassung einer Sauerstoffkonzentration Expired - Lifetime DE60300545T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002015870 2002-01-24
JP2002015870A JP4428904B2 (ja) 2002-01-24 2002-01-24 酸素濃度検出装置及び酸素濃度の検出方法

Publications (2)

Publication Number Publication Date
DE60300545D1 true DE60300545D1 (de) 2005-06-02
DE60300545T2 DE60300545T2 (de) 2006-02-16

Family

ID=19191975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003600545 Expired - Lifetime DE60300545T2 (de) 2002-01-24 2003-01-23 Verfahren und Vorrichtung zur Erfassung einer Sauerstoffkonzentration

Country Status (4)

Country Link
EP (1) EP1333171B1 (de)
JP (1) JP4428904B2 (de)
DE (1) DE60300545T2 (de)
ES (1) ES2240861T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4821112B2 (ja) * 2004-12-22 2011-11-24 日産自動車株式会社 希薄燃焼内燃機関の制御装置
JP4462142B2 (ja) * 2005-07-28 2010-05-12 株式会社デンソー 内燃機関用制御装置
DE102006058880A1 (de) 2006-12-13 2008-07-03 Siemens Ag Verfahren zur Korrektur eines Ausgangssignals eines Lambda-Sensors und Brennkraftmaschine
JP4548446B2 (ja) 2007-05-21 2010-09-22 トヨタ自動車株式会社 エンジンの制御装置
JP4775321B2 (ja) * 2007-05-25 2011-09-21 トヨタ自動車株式会社 内燃機関の制御装置
JP4687690B2 (ja) * 2007-06-04 2011-05-25 株式会社デンソー センサ情報検出装置、センサ校正装置、及びセンサ診断装置
US7770565B2 (en) 2008-04-08 2010-08-10 Cummins Inc. System and method for controlling an exhaust gas recirculation system
JP5088429B2 (ja) * 2011-03-22 2012-12-05 トヨタ自動車株式会社 内燃機関の制御装置
JP5736357B2 (ja) 2011-11-17 2015-06-17 日本特殊陶業株式会社 センサ制御装置およびセンサ制御システム
JP6816680B2 (ja) 2017-09-07 2021-01-20 トヨタ自動車株式会社 排気センサの診断装置
DE102022203170B3 (de) * 2022-03-31 2023-03-30 Vitesco Technologies GmbH Verfahren zum Erkennen einer Manipulation eines Sensorwertes eines Abgassensors einer Brennkraftmaschine für ein Fahrzeug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2553509B2 (ja) * 1986-02-26 1996-11-13 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JP3743577B2 (ja) * 1995-09-25 2006-02-08 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JP3972432B2 (ja) * 1996-11-27 2007-09-05 株式会社デンソー 内燃機関制御用の酸素濃度センサの学習装置及びその学習方法
US6227033B1 (en) * 1999-03-11 2001-05-08 Delphi Technologies, Inc. Auto-calibration method for a wide range exhaust gas oxygen sensor
DE19919427C2 (de) * 1999-04-28 2001-09-20 Siemens Ag Verfahren zur Korrektur der Kennlinie einer Breitband-Lambda-Sonde

Also Published As

Publication number Publication date
EP1333171B1 (de) 2005-04-27
ES2240861T3 (es) 2005-10-16
JP2003214245A (ja) 2003-07-30
DE60300545T2 (de) 2006-02-16
JP4428904B2 (ja) 2010-03-10
EP1333171A1 (de) 2003-08-06

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