WO2000004282A1 - Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission - Google Patents

Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission Download PDF

Info

Publication number
WO2000004282A1
WO2000004282A1 PCT/JP1999/003621 JP9903621W WO0004282A1 WO 2000004282 A1 WO2000004282 A1 WO 2000004282A1 JP 9903621 W JP9903621 W JP 9903621W WO 0004282 A1 WO0004282 A1 WO 0004282A1
Authority
WO
WIPO (PCT)
Prior art keywords
catalyst device
emission gas
fuel ratio
air
gas sensor
Prior art date
Application number
PCT/JP1999/003621
Other languages
English (en)
French (fr)
Inventor
Yuji Yasui
Shusuke Akazaki
Yoshihisa Iwaki
Tadashi Satoh
Masaki Ueno
Original Assignee
Honda Giken Kogyo Kabushiki Kaisha
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 Giken Kogyo Kabushiki Kaisha filed Critical Honda Giken Kogyo Kabushiki Kaisha
Priority to CA002337865A priority Critical patent/CA2337865C/en
Priority to EP99926936A priority patent/EP1106800B1/en
Priority to DE69937404T priority patent/DE69937404T2/de
Priority to JP2000560362A priority patent/JP3992925B2/ja
Priority to US09/743,906 priority patent/US6449944B1/en
Publication of WO2000004282A1 publication Critical patent/WO2000004282A1/ja

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1403Sliding mode control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/021Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441Plural sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/22Safety or indicating devices for abnormal conditions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02Catalytic activity of catalytic converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04Methods of control or diagnosing
    • F01N2900/0422Methods of control or diagnosing measuring the elapsed time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/1415Controller structures or design using a state feedback or a state space representation
    • F02D2041/1416Observer
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/1418Several control loops, either as alternatives or simultaneous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/142Controller structures or design using different types of control law in combination, e.g. adaptive combined with PID and sliding mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/1423Identification of model or controller parameters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/1431Controller structures or design the system including an input-output delay
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413Controller structures or design
    • F02D2041/1432Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1433Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1402Adaptive control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing 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
    • F02D41/1456Introducing 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems
PCT/JP1999/003621 1998-07-17 1999-07-05 Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission WO2000004282A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002337865A CA2337865C (en) 1998-07-17 1999-07-05 Method of determining the deterioration of a catalytic converter for purifying an exhaust gas
EP99926936A EP1106800B1 (en) 1998-07-17 1999-07-05 Method of judging deterioration of emission gas control catalyst device
DE69937404T DE69937404T2 (de) 1998-07-17 1999-07-05 Verfahren zum bestimmen der verschlechterung eines katalysators zur abgasreinigung
JP2000560362A JP3992925B2 (ja) 1998-07-17 1999-07-05 排ガス浄化用触媒装置の劣化判別方法
US09/743,906 US6449944B1 (en) 1998-07-17 1999-07-05 Method of judging deterioration of emission gas control catalyst device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10/202579 1998-07-17
JP20257998 1998-07-17

Publications (1)

Publication Number Publication Date
WO2000004282A1 true WO2000004282A1 (fr) 2000-01-27

Family

ID=16459836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/003621 WO2000004282A1 (fr) 1998-07-17 1999-07-05 Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission

Country Status (9)

Country Link
US (1) US6449944B1 (ja)
EP (1) EP1106800B1 (ja)
JP (1) JP3992925B2 (ja)
KR (1) KR100614664B1 (ja)
CN (1) CN1166855C (ja)
CA (1) CA2337865C (ja)
DE (1) DE69937404T2 (ja)
ES (1) ES2296392T3 (ja)
WO (1) WO2000004282A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1099836A3 (en) * 1999-11-12 2003-02-05 Honda Giken Kogyo Kabushiki Kaisha Method of evaluating deteriorated state of catalytic converter for purifying exhaust gas
US7725247B2 (en) 2007-02-06 2010-05-25 Toyota Jidosha Kabushiki Kaisha Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
US7751966B2 (en) 2006-12-21 2010-07-06 Toyota Jidosha Kabushiki Kaisha Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3967524B2 (ja) * 1999-12-22 2007-08-29 本田技研工業株式会社 内燃機関の空燃比制御装置
DE10100613C1 (de) * 2001-01-09 2002-06-13 Siemens Ag Abgasreinigungsanlage für eine Brennkraftmaschine
ATE554277T1 (de) 2001-04-20 2012-05-15 Honda Motor Co Ltd Anordnung zur steuerung von apparatur
JP4437626B2 (ja) * 2001-05-14 2010-03-24 本田技研工業株式会社 内燃機関の空燃比制御装置
JP4490000B2 (ja) * 2001-06-19 2010-06-23 本田技研工業株式会社 内燃機関の空燃比制御装置
JP3922980B2 (ja) 2001-07-25 2007-05-30 本田技研工業株式会社 制御装置
US6688411B2 (en) * 2001-11-09 2004-02-10 Ford Global Technologies, Llc Hybrid electric vehicle and a method for operating a hybrid electric vehicle
JP3957180B2 (ja) * 2002-08-09 2007-08-15 本田技研工業株式会社 デシメーションフィルタを用いた内燃機関の空燃比制御装置
JP4118784B2 (ja) * 2003-10-30 2008-07-16 本田技研工業株式会社 排気ガス浄化装置の劣化診断装置
JP2005220901A (ja) * 2004-01-06 2005-08-18 Toyota Motor Corp 内燃機関の触媒劣化状態評価装置
JP4312668B2 (ja) * 2004-06-24 2009-08-12 三菱電機株式会社 内燃機関の空燃比制御装置
JP4253294B2 (ja) * 2004-11-15 2009-04-08 株式会社日立製作所 エンジンの自己診断装置
US7624572B2 (en) * 2004-12-29 2009-12-01 Caterpillar Inc. Exhaust treatment device monitoring system
JP4940903B2 (ja) * 2005-11-18 2012-05-30 トヨタ自動車株式会社 排気浄化システム
EP1790844A1 (en) * 2005-11-25 2007-05-30 Delphi Technologies, Inc. Method for identifying anomalous behaviour of a dynamic system
JP4665923B2 (ja) * 2007-03-13 2011-04-06 トヨタ自動車株式会社 触媒劣化判定装置
JP4798508B2 (ja) * 2007-06-05 2011-10-19 トヨタ自動車株式会社 触媒の劣化診断装置
JP2009115012A (ja) * 2007-11-08 2009-05-28 Denso Corp 内燃機関の空燃比制御装置
US8135535B2 (en) * 2009-06-09 2012-03-13 Ford Global Technologies, Llc Modeling catalyst exotherm due to blowthrough
JP5616274B2 (ja) * 2011-03-31 2014-10-29 本田技研工業株式会社 空燃比制御装置
DE102011077251B3 (de) * 2011-06-09 2012-06-06 Ford Global Technologies, Llc Diagnoseverfahren und Diagnosemodul für einen Filter eines NOx Sensors eines Abgassystems
DE102012201594A1 (de) * 2012-02-03 2013-08-08 Robert Bosch Gmbh Verfahren zur Signalaufbereitung für einen sammelnden Partikelsensor
JP5883140B2 (ja) * 2012-07-17 2016-03-09 本田技研工業株式会社 内燃機関の制御装置
CA2915346A1 (en) * 2013-06-26 2014-12-31 Volvo Construction Equipment Ab Device and method for controlling engine rpm for construction machinery
US9890723B2 (en) * 2015-11-16 2018-02-13 General Electric Company Methods to adapt air-fuel (A/F) controls for catalyst aging
US10001046B2 (en) 2015-11-16 2018-06-19 General Electric Company Methods to adapt reductant injection controls for catalyst aging
US10443526B2 (en) * 2016-09-14 2019-10-15 Denso Corporation Air-fuel ratio sensing device
US10267202B2 (en) * 2016-10-04 2019-04-23 Ford Global Technologies, Llc Method and system for catalyst feedback control
DE102018107664A1 (de) * 2017-03-31 2018-10-04 Toyota Jidosha Kabushiki Kaisha Abgasreinigungssystem eines Verbrennungsmotors
CN109425683B (zh) * 2017-08-22 2021-02-09 神华集团有限责任公司 确定催化剂置换时间和比例的方法及置换催化剂的方法
DE102020000327A1 (de) * 2020-01-21 2021-07-22 Mtu Friedrichshafen Gmbh Verfahren zur modellbasierten Steuerung und Regelung einer Brennkraftmaschine

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617640A (ja) * 1992-07-03 1994-01-25 Nippondenso Co Ltd 触媒の飽和吸着量検出装置
JP2626384B2 (ja) * 1991-12-16 1997-07-02 トヨタ自動車株式会社 触媒劣化判別装置
JPH09228873A (ja) * 1996-02-23 1997-09-02 Robert Bosch Gmbh 後置の酸素を蓄積可能な触媒を備えた内燃機関の燃空比の設定方法
JPH09273438A (ja) * 1996-04-05 1997-10-21 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JPH09324681A (ja) * 1996-04-05 1997-12-16 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JPH1061428A (ja) * 1996-08-22 1998-03-03 Honda Motor Co Ltd 内燃機関の触媒劣化判定装置
JPH10205376A (ja) * 1996-11-19 1998-08-04 Honda Motor Co Ltd 排気ガス浄化用触媒装置の劣化判別方法
JPH10274032A (ja) * 1997-03-27 1998-10-13 Ford Global Technol Inc NOxトラップの触媒効率を維持する方法
JPH1193741A (ja) * 1997-09-16 1999-04-06 Honda Motor Co Ltd 内燃機関の排気系の空燃比制御装置及びプラントの制御装置
JPH1193740A (ja) * 1997-09-16 1999-04-06 Honda Motor Co Ltd 内燃機関の排気系の空燃比制御装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128823C2 (de) * 1991-08-30 2000-06-29 Bosch Gmbh Robert Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators
DE4211092A1 (de) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen der Funktionsfähigkeit eines Katalysators
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
JP3179920B2 (ja) * 1993-02-12 2001-06-25 株式会社日立製作所 内燃機関の触媒診断装置
ES2083793T3 (es) * 1993-05-27 1996-04-16 Siemens Ag Procedimiento para la comprobacion del rendimiento de un catalizador.
JP3169298B2 (ja) * 1993-09-08 2001-05-21 株式会社日立製作所 内燃機関の故障診断装置
JP3674017B2 (ja) * 1996-03-19 2005-07-20 株式会社デンソー 排出ガス浄化用触媒劣化検出装置
JP3702034B2 (ja) 1996-03-29 2005-10-05 テイ・エス テック株式会社 接着剤を用いたシートの製造方法
JP3261038B2 (ja) * 1996-04-05 2002-02-25 本田技研工業株式会社 内燃機関の空燃比制御装置
US6151888A (en) * 1996-06-12 2000-11-28 Robert Bosch Gmbh Method of diagnosing a catalytic converter
JP3765617B2 (ja) * 1996-06-25 2006-04-12 本田技研工業株式会社 内燃機関の空燃比制御装置
US5732551A (en) * 1996-12-11 1998-03-31 Motorola Inc. Method for monitoring the performance of a catalytic converter using mass transfer coefficients

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2626384B2 (ja) * 1991-12-16 1997-07-02 トヨタ自動車株式会社 触媒劣化判別装置
JPH0617640A (ja) * 1992-07-03 1994-01-25 Nippondenso Co Ltd 触媒の飽和吸着量検出装置
JPH09228873A (ja) * 1996-02-23 1997-09-02 Robert Bosch Gmbh 後置の酸素を蓄積可能な触媒を備えた内燃機関の燃空比の設定方法
JPH09273438A (ja) * 1996-04-05 1997-10-21 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JPH09324681A (ja) * 1996-04-05 1997-12-16 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JPH1061428A (ja) * 1996-08-22 1998-03-03 Honda Motor Co Ltd 内燃機関の触媒劣化判定装置
JPH10205376A (ja) * 1996-11-19 1998-08-04 Honda Motor Co Ltd 排気ガス浄化用触媒装置の劣化判別方法
JPH10274032A (ja) * 1997-03-27 1998-10-13 Ford Global Technol Inc NOxトラップの触媒効率を維持する方法
JPH1193741A (ja) * 1997-09-16 1999-04-06 Honda Motor Co Ltd 内燃機関の排気系の空燃比制御装置及びプラントの制御装置
JPH1193740A (ja) * 1997-09-16 1999-04-06 Honda Motor Co Ltd 内燃機関の排気系の空燃比制御装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1106800A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1099836A3 (en) * 1999-11-12 2003-02-05 Honda Giken Kogyo Kabushiki Kaisha Method of evaluating deteriorated state of catalytic converter for purifying exhaust gas
US7751966B2 (en) 2006-12-21 2010-07-06 Toyota Jidosha Kabushiki Kaisha Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
US7725247B2 (en) 2007-02-06 2010-05-25 Toyota Jidosha Kabushiki Kaisha Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor

Also Published As

Publication number Publication date
KR100614664B1 (ko) 2006-08-21
CN1309746A (zh) 2001-08-22
DE69937404T2 (de) 2008-10-23
ES2296392T3 (es) 2008-04-16
JP3992925B2 (ja) 2007-10-17
CN1166855C (zh) 2004-09-15
DE69937404D1 (de) 2007-12-06
CA2337865A1 (en) 2000-01-27
CA2337865C (en) 2008-12-16
US6449944B1 (en) 2002-09-17
KR20010053559A (ko) 2001-06-25
EP1106800A4 (en) 2004-12-22
EP1106800B1 (en) 2007-10-24
EP1106800A1 (en) 2001-06-13

Similar Documents

Publication Publication Date Title
WO2000004282A1 (fr) Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission
CA2382903C (en) Engine control to reduce emissions variability
EP0844379A3 (en) Method of judging deterioration of catalytic converter for purifying exhaust gas
US20040139735A1 (en) System and method for predicting concentration of undesirable exhaust emissions from an engine
EP1041254A3 (en) Emission control apparatus for internal combustion engine
US8266947B2 (en) Cetane number estimating apparatus and method
KR100581642B1 (ko) 내연기관용 제어장치
US6282889B1 (en) Air/fuel ration control system of internal combustion engine
EP1321653A3 (en) Air-fuel ratio control system for internal combustion engines
EP1087119A4 (en) ANTI-POLLUTION DEVICE FOR HEAT ENGINES
US5596975A (en) Method of pulse width modulating an oxygen sensor
JP2004324538A (ja) エンジンの制御装置
US7726290B2 (en) Method and device for operating an internal combustion engine
WO2002103183A1 (en) Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine
CA2527943A1 (en) Exhaust gas recirculation control device for diesel engine
WO2005066468A3 (de) Verfahren zur regeneration eines stickoxid-speicherkatalysators
US20020112709A1 (en) EGR valve control apparatus
JP2006274845A (ja) 内燃機関のNOx排出量算出装置
US20190323405A1 (en) Gasoline particulate filter filtration efficiency improvement with engine control
US6000218A (en) System for monitoring the functioning ability of catalytic converters and/or lambda sensors
EP0953742B1 (en) Compression-ignition internal combustion engine having combustion heater
US6609510B2 (en) Device and method for controlling air-fuel ratio of internal combustion engine
JP3161288B2 (ja) ターボ過給機付エンジンの排気圧力検出装置および空気過剰率検出装置
JP3318702B2 (ja) 内燃機関の触媒劣化診断装置
EP1331371A4 (en) DEVICE FOR CONTROLLING EXHAUST EMISSIONS OF AN INTERNAL COMBUSTION ENGINE

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 99808749.1

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): CA CN JP KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
ENP Entry into the national phase

Ref document number: 2337865

Country of ref document: CA

Ref document number: 2000 560362

Country of ref document: JP

Kind code of ref document: A

Ref document number: 2337865

Country of ref document: CA

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020017000730

Country of ref document: KR

Ref document number: 09743906

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 1999926936

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1999926936

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1020017000730

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 1020017000730

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 1999926936

Country of ref document: EP