JP2004019542A - 酸素センサの異常検出装置 - Google Patents

酸素センサの異常検出装置 Download PDF

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Publication number
JP2004019542A
JP2004019542A JP2002175274A JP2002175274A JP2004019542A JP 2004019542 A JP2004019542 A JP 2004019542A JP 2002175274 A JP2002175274 A JP 2002175274A JP 2002175274 A JP2002175274 A JP 2002175274A JP 2004019542 A JP2004019542 A JP 2004019542A
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JP
Japan
Prior art keywords
oxygen
catalyst
fuel ratio
air
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.)
Withdrawn
Application number
JP2002175274A
Other languages
English (en)
Japanese (ja)
Inventor
Kazutaka Hattori
服部　一孝
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
Priority to JP2002175274A priority Critical patent/JP2004019542A/ja
Priority to US10/449,606 priority patent/US20040226282A1/en
Priority to DE10326736A priority patent/DE10326736A1/de
Priority to FR0307281A priority patent/FR2840954A1/fr
Publication of JP2004019542A publication Critical patent/JP2004019542A/ja
Withdrawn legal-status Critical Current

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    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/0295—Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
    • 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
    • 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
    • F02D2200/023—Temperature of lubricating oil or working fluid
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0814—Oxygen storage amount
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0816—Oxygen storage capacity
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor

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)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2002175274A 2002-06-17 2002-06-17 酸素センサの異常検出装置 Withdrawn JP2004019542A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002175274A JP2004019542A (ja) 2002-06-17 2002-06-17 酸素センサの異常検出装置
US10/449,606 US20040226282A1 (en) 2002-06-17 2003-06-02 Abnormality detecting system for oxygen sensor and abnormality detecting method
DE10326736A DE10326736A1 (de) 2002-06-17 2003-06-13 System und Verfahren zur Erfassung einer Fehlfunktion eines Sauerstoffsensors
FR0307281A FR2840954A1 (fr) 2002-06-17 2003-06-17 Systeme de detection d'anomalie pour un capteur d'oxygene et procede de detection d'anomalie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002175274A JP2004019542A (ja) 2002-06-17 2002-06-17 酸素センサの異常検出装置

Publications (1)

Publication Number Publication Date
JP2004019542A true JP2004019542A (ja) 2004-01-22

Family

ID=29707027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002175274A Withdrawn JP2004019542A (ja) 2002-06-17 2002-06-17 酸素センサの異常検出装置

Country Status (4)

Country Link
US (1) US20040226282A1 (de)
JP (1) JP2004019542A (de)
DE (1) DE10326736A1 (de)
FR (1) FR2840954A1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257944A (ja) * 2005-03-16 2006-09-28 Fujitsu Ten Ltd 内燃機関の異常検出装置
JP2007162681A (ja) * 2005-11-18 2007-06-28 Toyota Motor Corp 排気浄化システム
JP2008014234A (ja) * 2006-07-06 2008-01-24 Toyota Motor Corp 排気センサの異常診断装置
JP2008274823A (ja) * 2007-04-27 2008-11-13 Toyota Motor Corp 内燃機関の酸素センサ故障診断装置
WO2015050267A1 (en) 2013-10-01 2015-04-09 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
WO2015049726A1 (ja) 2013-10-01 2015-04-09 トヨタ自動車株式会社 空燃比センサの異常診断装置
JP2016031055A (ja) * 2014-07-29 2016-03-07 トヨタ自動車株式会社 空燃比センサの異常診断装置
CN105545514A (zh) * 2014-10-23 2016-05-04 丰田自动车株式会社 空燃比传感器的异常诊断装置
EP3650848A1 (de) 2018-11-07 2020-05-13 Toyota Jidosha Kabushiki Kaisha Fehlerdetektionsvorrichtung für gassensor und fehlerdetektionsverfahren für gassensor
JP2021116730A (ja) * 2020-01-24 2021-08-10 トヨタ自動車株式会社 下流側空燃比検出装置の異常診断装置
US11441504B2 (en) 2021-01-08 2022-09-13 Toyota Jidosha Kabushiki Kaisha Controller and control method for internal combustion engine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4844257B2 (ja) * 2006-06-27 2011-12-28 トヨタ自動車株式会社 触媒劣化検出装置
US7444235B2 (en) * 2007-02-06 2008-10-28 Gm Global Technology Operations, Inc. Post catalyst oxygen sensor diagnostic
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
JP2015090072A (ja) * 2013-11-04 2015-05-11 株式会社デンソー 排出ガスセンサの異常診断装置
KR101822562B1 (ko) * 2015-03-31 2018-01-29 도요타지도샤가부시키가이샤 내연 기관의 배기 정화 장치
EP3551861A4 (de) * 2016-12-09 2020-11-04 Cummins Inc. Systeme und verfahren für katalysatorsensordiagnostik

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05296088A (ja) * 1992-04-16 1993-11-09 Nippondenso Co Ltd 内燃機関の異常検出装置
JP2858288B2 (ja) * 1993-09-02 1999-02-17 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における自己診断装置
IT1273044B (it) * 1994-07-19 1997-07-01 Weber Srl Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna
IT1285311B1 (it) * 1996-03-12 1998-06-03 Magneti Marelli Spa Metodo di diagnosi dell'efficienza di un sensore di composizione stechiometrica dei gas di scarico posto a valle di un convertitore
US5842340A (en) * 1997-02-26 1998-12-01 Motorola Inc. Method for controlling the level of oxygen stored by a catalyst within a catalytic converter
JP3542471B2 (ja) * 1997-09-10 2004-07-14 本田技研工業株式会社 内燃機関の酸素濃度センサの異常検出装置
DE60116158T2 (de) * 2000-02-23 2006-06-29 Nissan Motor Co. Ltd. Luft-Kraftstoff-Verhältnis-Steuerungssystem
US6662638B2 (en) * 2001-11-26 2003-12-16 Ford Global Technologies, Llc System and method for determining degradation of an exhaust gas sensor in an engine

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257944A (ja) * 2005-03-16 2006-09-28 Fujitsu Ten Ltd 内燃機関の異常検出装置
JP2007162681A (ja) * 2005-11-18 2007-06-28 Toyota Motor Corp 排気浄化システム
JP2008014234A (ja) * 2006-07-06 2008-01-24 Toyota Motor Corp 排気センサの異常診断装置
JP4561702B2 (ja) * 2006-07-06 2010-10-13 トヨタ自動車株式会社 排気センサの異常診断装置
JP2008274823A (ja) * 2007-04-27 2008-11-13 Toyota Motor Corp 内燃機関の酸素センサ故障診断装置
JP4548443B2 (ja) * 2007-04-27 2010-09-22 トヨタ自動車株式会社 内燃機関の酸素センサ故障診断装置
US10316779B2 (en) 2013-10-01 2019-06-11 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
WO2015050267A1 (en) 2013-10-01 2015-04-09 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
WO2015049726A1 (ja) 2013-10-01 2015-04-09 トヨタ自動車株式会社 空燃比センサの異常診断装置
US10365183B2 (en) 2013-10-01 2019-07-30 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
JP2016031055A (ja) * 2014-07-29 2016-03-07 トヨタ自動車株式会社 空燃比センサの異常診断装置
EP3023620A1 (de) 2014-10-23 2016-05-25 Toyota Jidosha Kabushiki Kaisha Anomaliendiagnosesystem eines luft-kraftstoff-verhältnis-sensors
US9903292B2 (en) 2014-10-23 2018-02-27 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis system of air-fuel ratio sensor
JP2016084725A (ja) * 2014-10-23 2016-05-19 トヨタ自動車株式会社 空燃比センサの異常診断装置
CN105545514A (zh) * 2014-10-23 2016-05-04 丰田自动车株式会社 空燃比传感器的异常诊断装置
EP3650848A1 (de) 2018-11-07 2020-05-13 Toyota Jidosha Kabushiki Kaisha Fehlerdetektionsvorrichtung für gassensor und fehlerdetektionsverfahren für gassensor
JP2021116730A (ja) * 2020-01-24 2021-08-10 トヨタ自動車株式会社 下流側空燃比検出装置の異常診断装置
US11441504B2 (en) 2021-01-08 2022-09-13 Toyota Jidosha Kabushiki Kaisha Controller and control method for internal combustion engine

Also Published As

Publication number Publication date
US20040226282A1 (en) 2004-11-18
FR2840954A1 (fr) 2003-12-19
DE10326736A1 (de) 2004-01-08

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