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DE602004006664D1 - Vorrichtung zum Feststellen der Verschlechterung eines Sauerstoffkonzentrationsensors - Google Patents

Vorrichtung zum Feststellen der Verschlechterung eines Sauerstoffkonzentrationsensors

Info

Publication number
DE602004006664D1
DE602004006664D1 DE602004006664T DE602004006664T DE602004006664D1 DE 602004006664 D1 DE602004006664 D1 DE 602004006664D1 DE 602004006664 T DE602004006664 T DE 602004006664T DE 602004006664 T DE602004006664 T DE 602004006664T DE 602004006664 D1 DE602004006664 D1 DE 602004006664D1
Authority
DE
Germany
Prior art keywords
deterioration
detecting
oxygen concentration
concentration sensor
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 - Lifetime
Application number
DE602004006664T
Other languages
English (en)
Other versions
DE602004006664T2 (de
Inventor
Hidetoshi Namiki
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
Publication of DE602004006664D1 publication Critical patent/DE602004006664D1/de
Application granted granted Critical
Publication of DE602004006664T2 publication Critical patent/DE602004006664T2/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
    • F02D41/14—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
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time 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
    • F02D41/02—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
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • 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
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0404—Throttle position
    • 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
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • 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
    • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
DE602004006664T 2003-04-23 2004-04-13 Vorrichtung zum Feststellen der Verschlechterung eines Sauerstoffkonzentrationsensors Expired - Lifetime DE602004006664T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003117780A JP3886928B2 (ja) 2003-04-23 2003-04-23 酸素濃度センサの劣化検出装置
JP2003117780 2003-04-23

Publications (2)

Publication Number Publication Date
DE602004006664D1 true DE602004006664D1 (de) 2007-07-12
DE602004006664T2 DE602004006664T2 (de) 2007-10-04

Family

ID=32959617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006664T Expired - Lifetime DE602004006664T2 (de) 2003-04-23 2004-04-13 Vorrichtung zum Feststellen der Verschlechterung eines Sauerstoffkonzentrationsensors

Country Status (4)

Country Link
US (1) US7040085B2 (de)
EP (1) EP1471238B1 (de)
JP (1) JP3886928B2 (de)
DE (1) DE602004006664T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4218601B2 (ja) * 2004-06-29 2009-02-04 トヨタ自動車株式会社 圧縮着火内燃機関の空燃比センサ劣化判定システム
DE102005016075B4 (de) * 2005-04-08 2007-04-12 Audi Ag Verfahren zur Diagnose einer dem Abgaskatalysator einer Brennkraftmaschine zugeordneten Lambdasonde
DE602005009516D1 (de) * 2005-06-17 2008-10-16 Ford Global Tech Llc Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator
JP2008121533A (ja) * 2006-11-10 2008-05-29 Denso Corp 内燃機関の制御装置
JP4958752B2 (ja) * 2007-12-06 2012-06-20 日立オートモティブシステムズ株式会社 車両の診断制御装置
US7900616B2 (en) * 2007-12-12 2011-03-08 Denso Corporation Exhaust gas oxygen sensor monitoring
DE102008023893B4 (de) * 2008-05-16 2013-01-10 Audi Ag Verfahren zum Diagnostizieren der Funktionsfähigkeit einer Sprungsonde
US9027539B2 (en) * 2008-11-19 2015-05-12 Toyota Jidosha Kabushiki Kaisha Control apparatus for internal combustion engine
JP5110200B2 (ja) * 2009-02-18 2012-12-26 トヨタ自動車株式会社 内燃機関の検出装置
JP5287458B2 (ja) * 2009-04-15 2013-09-11 トヨタ自動車株式会社 酸素センサの応答性判定装置
JP5024405B2 (ja) * 2010-03-09 2012-09-12 トヨタ自動車株式会社 触媒劣化検出装置
US8594906B2 (en) * 2010-03-26 2013-11-26 Mazda Motor Corporation Diagnosis for multiple cylinder engine
JP5287809B2 (ja) * 2010-08-31 2013-09-11 三菱自動車工業株式会社 触媒下流側排ガスセンサの劣化診断装置
US9074513B2 (en) * 2012-01-18 2015-07-07 Ford Global Technologies, Llc Non-intrusive exhaust gas sensor monitoring
US9416714B2 (en) * 2012-03-01 2016-08-16 Ford Global Technologies, Llc Non-intrusive exhaust gas sensor monitoring
JP6358148B2 (ja) * 2015-03-31 2018-07-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP7124771B2 (ja) * 2019-03-08 2022-08-24 いすゞ自動車株式会社 ラムダセンサーの応答性診断方法、及び排気浄化システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5363647A (en) * 1992-10-13 1994-11-15 Mitsubishi Denki Kabushiki Kaisha Dual-sensor type air fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
JP3074975B2 (ja) * 1992-11-04 2000-08-07 スズキ株式会社 内燃機関の触媒劣化判定装置
JP3197654B2 (ja) * 1993-01-21 2001-08-13 本田技研工業株式会社 内燃エンジンの空燃比センサ劣化検出装置
US5743082A (en) * 1994-09-30 1998-04-28 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Apparatus for detecting reduction of purifying capacity of catalyst for purifying exhaust gas from internal combustion engine and method thereof
US5636514A (en) * 1994-11-17 1997-06-10 Honda Giken Kogyo Kabushiki Kaisha Catalyst deterioration-determining system for internal combustion engines
JPH10169494A (ja) 1996-12-11 1998-06-23 Unisia Jecs Corp 排気浄化触媒の診断装置及び酸素センサの異常診断装置
JP3776299B2 (ja) * 2000-07-21 2006-05-17 本田技研工業株式会社 内燃機関の排気浄化装置
JP3860981B2 (ja) * 2001-08-28 2006-12-20 本田技研工業株式会社 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
US20040211168A1 (en) 2004-10-28
EP1471238A2 (de) 2004-10-27
JP2004324475A (ja) 2004-11-18
JP3886928B2 (ja) 2007-02-28
EP1471238B1 (de) 2007-05-30
US7040085B2 (en) 2006-05-09
DE602004006664T2 (de) 2007-10-04
EP1471238A3 (de) 2006-07-19

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