DE69918608D1 - Steuerapparat für Luft-Kraftstoffverhältnissensor - Google Patents

Steuerapparat für Luft-Kraftstoffverhältnissensor

Info

Publication number
DE69918608D1
DE69918608D1 DE69918608T DE69918608T DE69918608D1 DE 69918608 D1 DE69918608 D1 DE 69918608D1 DE 69918608 T DE69918608 T DE 69918608T DE 69918608 T DE69918608 T DE 69918608T DE 69918608 D1 DE69918608 D1 DE 69918608D1
Authority
DE
Germany
Prior art keywords
air
control apparatus
fuel ratio
ratio sensor
sensor control
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
DE69918608T
Other languages
English (en)
Other versions
DE69918608T2 (de
Inventor
Keiichiro Aoki
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 DE69918608D1 publication Critical patent/DE69918608D1/de
Application granted granted Critical
Publication of DE69918608T2 publication Critical patent/DE69918608T2/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
    • F02D41/1493—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
    • F02D41/02—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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE69918608T 1998-05-27 1999-05-12 Steuerapparat für Luft-Kraftstoffverhältnissensor Expired - Lifetime DE69918608T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP14582298 1998-05-27
JP14582298 1998-05-27
JP37454398A JP3587073B2 (ja) 1998-05-27 1998-12-28 空燃比センサの制御装置
JP37454398 1998-12-28

Publications (2)

Publication Number Publication Date
DE69918608D1 true DE69918608D1 (de) 2004-08-19
DE69918608T2 DE69918608T2 (de) 2005-07-21

Family

ID=26476842

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918608T Expired - Lifetime DE69918608T2 (de) 1998-05-27 1999-05-12 Steuerapparat für Luft-Kraftstoffverhältnissensor

Country Status (4)

Country Link
US (1) US6205989B1 (de)
EP (1) EP0961020B1 (de)
JP (1) JP3587073B2 (de)
DE (1) DE69918608T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6242928B1 (en) * 1998-01-16 2001-06-05 Denso Corporation Method and apparatus for detecting resistance of oxygen concentration sensor
JP3621280B2 (ja) 1998-12-16 2005-02-16 株式会社日立ユニシアオートモティブ 空燃比センサの活性診断装置
JP3551054B2 (ja) * 1998-12-24 2004-08-04 トヨタ自動車株式会社 空燃比検出装置
JP3570274B2 (ja) * 1999-03-04 2004-09-29 トヨタ自動車株式会社 空燃比センサの制御装置
JP2002071633A (ja) 2000-08-24 2002-03-12 Toyota Motor Corp 空燃比センサのヒータ制御装置
DE10108181A1 (de) * 2001-02-21 2002-08-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Korrektur eines Temperatursignals
JP4048489B2 (ja) 2003-03-24 2008-02-20 トヨタ自動車株式会社 酸素センサの異常検出装置および異常検出方法
JP2005055395A (ja) * 2003-08-07 2005-03-03 Denso Corp ガス濃度センサのヒータ制御装置
JP4765742B2 (ja) * 2006-04-11 2011-09-07 トヨタ自動車株式会社 排気ガスセンサの信号処理装置
JP2009031213A (ja) * 2007-07-30 2009-02-12 Toyota Motor Corp 酸素センサの異常診断装置
DE102007045080A1 (de) * 2007-09-21 2009-04-16 Continental Automotive Gmbh Verfahren und Vorrichtung zum Bestimmen einer dynamischen Eigenschaft eines Abgassensors
JP4835757B2 (ja) * 2010-01-08 2011-12-14 横河電機株式会社 電池特性評価装置
JP5155377B2 (ja) * 2010-11-29 2013-03-06 日本特殊陶業株式会社 ガスセンサの制御装置
US9057337B2 (en) * 2011-08-30 2015-06-16 Honda Motor Co., Ltd. Air-fuel ratio control system for internal combustion engine
US9297843B2 (en) * 2013-03-15 2016-03-29 GM Global Technology Operations LLC Fault diagnostic systems and methods using oxygen sensor impedance
US9410509B2 (en) * 2013-12-04 2016-08-09 Delphi Technologies, Inc. Adaptive individual-cylinder thermal state control using intake air heating for a GDCI engine
JP5979165B2 (ja) * 2014-02-05 2016-08-24 株式会社デンソー 酸素濃度センサの素子インピーダンス検出装置
JP6048442B2 (ja) * 2014-04-11 2016-12-21 株式会社デンソー 酸素濃度センサの素子インピーダンス検出装置
JP6222037B2 (ja) * 2014-10-23 2017-11-01 トヨタ自動車株式会社 空燃比センサの異常診断装置
JP6459788B2 (ja) * 2015-06-12 2019-01-30 株式会社デンソー センサの印加電圧制御装置
JP6539197B2 (ja) * 2015-12-15 2019-07-03 日本碍子株式会社 ガスセンサの診断方法

Family Cites Families (6)

* 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
JPS57192855A (en) * 1981-05-25 1982-11-27 Ngk Insulators Ltd Oxygen concentration detector
JPS5987246A (ja) * 1982-11-11 1984-05-19 Nissan Motor Co Ltd 空燃比制御装置
JP3711582B2 (ja) 1995-03-31 2005-11-02 株式会社デンソー 酸素濃度検出装置
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
US5980728A (en) * 1996-09-24 1999-11-09 Rosemont Analytical Inc. Diagnostic method and apparatus for solid electrolyte gas analyzer

Also Published As

Publication number Publication date
EP0961020A2 (de) 1999-12-01
JP3587073B2 (ja) 2004-11-10
EP0961020B1 (de) 2004-07-14
JP2000046780A (ja) 2000-02-18
US6205989B1 (en) 2001-03-27
EP0961020A3 (de) 2001-05-30
DE69918608T2 (de) 2005-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)