WO2008093607A1 - Noxセンサの故障診断装置及び故障診断方法 - Google Patents

Noxセンサの故障診断装置及び故障診断方法 Download PDF

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Publication number
WO2008093607A1
WO2008093607A1 PCT/JP2008/051059 JP2008051059W WO2008093607A1 WO 2008093607 A1 WO2008093607 A1 WO 2008093607A1 JP 2008051059 W JP2008051059 W JP 2008051059W WO 2008093607 A1 WO2008093607 A1 WO 2008093607A1
Authority
WO
WIPO (PCT)
Prior art keywords
nox
breakdown
detected
flow rate
nox 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.)
Ceased
Application number
PCT/JP2008/051059
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Eiichi Kitazawa
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.)
Bosch Corp
Original Assignee
Bosch 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 Bosch Corp filed Critical Bosch Corp
Priority to US12/525,408 priority Critical patent/US8359826B2/en
Priority to KR1020097011362A priority patent/KR101088316B1/ko
Priority to EP08703886A priority patent/EP2128396B1/en
Priority to AT08703886T priority patent/ATE521796T1/de
Priority to CN2008800037244A priority patent/CN101600863B/zh
Publication of WO2008093607A1 publication Critical patent/WO2008093607A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F02D41/22Safety or indicating devices for abnormal conditions
    • F02D41/222Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • 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
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; 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
    • F02D41/146Introducing 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 NOx content or concentration
    • 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
    • F02D41/146Introducing 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 NOx content or concentration
    • F02D41/1461Introducing 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 NOx content or concentration of the exhaust gases emitted by the engine
    • 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
    • F02D41/146Introducing 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 NOx content or concentration
    • F02D41/1461Introducing 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 NOx content or concentration of the exhaust gases emitted by the engine
    • F02D41/1462Introducing 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 NOx content or concentration of the exhaust gases emitted by the engine with determination means using an estimation
    • 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
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2900/0416Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
    • 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
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • 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
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/10Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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
    • Y02T10/12Improving ICE efficiencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
PCT/JP2008/051059 2007-02-02 2008-01-25 Noxセンサの故障診断装置及び故障診断方法 Ceased WO2008093607A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/525,408 US8359826B2 (en) 2007-02-02 2008-01-25 Trouble diagnosis device and trouble diagnosis method for NOx sensor
KR1020097011362A KR101088316B1 (ko) 2007-02-02 2008-01-25 NOx 센서의 고장 진단 장치 및 고장 진단 방법
EP08703886A EP2128396B1 (en) 2007-02-02 2008-01-25 Breakdown diagnosing device and breakdown diagnosing method of nox sensor
AT08703886T ATE521796T1 (de) 2007-02-02 2008-01-25 Störungsdiagnosevorrichtung und störungsdiagnoseverfahren für einen nox-sensor
CN2008800037244A CN101600863B (zh) 2007-02-02 2008-01-25 NOx传感器的故障诊断装置以及故障诊断方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007024213A JP4297379B2 (ja) 2007-02-02 2007-02-02 Noxセンサの故障診断装置及び故障診断方法
JP2007-024213 2007-09-05

Publications (1)

Publication Number Publication Date
WO2008093607A1 true WO2008093607A1 (ja) 2008-08-07

Family

ID=39673919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051059 Ceased WO2008093607A1 (ja) 2007-02-02 2008-01-25 Noxセンサの故障診断装置及び故障診断方法

Country Status (7)

Country Link
US (1) US8359826B2 (enExample)
EP (1) EP2128396B1 (enExample)
JP (1) JP4297379B2 (enExample)
KR (1) KR101088316B1 (enExample)
CN (1) CN101600863B (enExample)
AT (1) ATE521796T1 (enExample)
WO (1) WO2008093607A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102667090A (zh) * 2009-06-24 2012-09-12 康明斯知识产权公司 评估nox传感器响应速率劣化的设备、系统和方法
CN108150262A (zh) * 2017-12-22 2018-06-12 中国第汽车股份有限公司 判断氮氧传感器是否失效的检测方法

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006489B4 (de) * 2007-02-09 2018-10-04 Robert Bosch Gmbh Verfahren zur Diagnose eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Abgassensors und Vorrichtung zur Durchführung des Verfahrens
JP5152912B2 (ja) * 2008-06-27 2013-02-27 ボッシュ株式会社 タンク内センサの合理性診断方法及び合理性診断装置
JP2010101860A (ja) * 2008-10-27 2010-05-06 Mitsubishi Motors Corp 車両に搭載された機構の故障診断装置
JPWO2010109946A1 (ja) * 2009-03-23 2012-09-27 ボッシュ株式会社 Noxセンサの合理性診断装置及び合理性診断方法
JP4874364B2 (ja) * 2009-04-14 2012-02-15 株式会社日本自動車部品総合研究所 内燃機関の排気浄化装置
US9354618B2 (en) 2009-05-08 2016-05-31 Gas Turbine Efficiency Sweden Ab Automated tuning of multiple fuel gas turbine combustion systems
US8437941B2 (en) * 2009-05-08 2013-05-07 Gas Turbine Efficiency Sweden Ab Automated tuning of gas turbine combustion systems
US9671797B2 (en) 2009-05-08 2017-06-06 Gas Turbine Efficiency Sweden Ab Optimization of gas turbine combustion systems low load performance on simple cycle and heat recovery steam generator applications
US9267443B2 (en) 2009-05-08 2016-02-23 Gas Turbine Efficiency Sweden Ab Automated tuning of gas turbine combustion systems
WO2010134167A1 (ja) * 2009-05-19 2010-11-25 トヨタ自動車株式会社 NOxセンサの異常診断装置
WO2011075582A1 (en) 2009-12-16 2011-06-23 Cummins Filtration Ip, Inc. Apparatus and method to diagnose a nox sensor
JP5789925B2 (ja) * 2010-07-08 2015-10-07 いすゞ自動車株式会社 NOxセンサ診断装置及びSCRシステム
US9121323B2 (en) * 2011-04-15 2015-09-01 GM Global Technology Operations LLC Nitrogen oxide sensor stuck-in-range diagnostic tool
JP5915111B2 (ja) * 2011-11-18 2016-05-11 いすゞ自動車株式会社 NOxセンサの異常診断方法、NOxセンサの異常診断システム、及び内燃機関のNOx排出濃度推定方法
US8924130B2 (en) * 2012-03-01 2014-12-30 Ford Global Technologies, Llc Non-intrusive exhaust gas sensor monitoring
JP5559230B2 (ja) * 2012-04-03 2014-07-23 本田技研工業株式会社 内燃機関の排気浄化システム
BR112014025210B1 (pt) * 2012-04-10 2021-11-23 Volvo Lastvagnar Ab Método de auto diagnóstico para diagnóstico de um sistema de redução catalítica seletiva scr
US8910466B2 (en) * 2012-05-09 2014-12-16 GM Global Technology Operations LLC Exhaust aftertreatment system with diagnostic delay
US9528462B2 (en) * 2012-06-15 2016-12-27 GM Global Technology Operations LLC NOx sensor plausibility monitor
CN105008691B (zh) * 2013-02-27 2018-01-16 康明斯知识产权公司 用于诊断还原剂输送性能的装置、方法和系统
SE537270C2 (sv) * 2013-07-02 2015-03-24 Scania Cv Ab Anordning och förfarande för detektering av defekt NOx-givare
US10109118B2 (en) 2013-10-04 2018-10-23 Volvo Truck Corporation Method for monitoring the operation of a sensor
CN103903412B (zh) * 2014-03-28 2017-04-12 哈尔滨工程大学 一种用于NOx传感器的CAN总线转4‑20mA的数据信号转换装置
JP6248789B2 (ja) * 2014-05-08 2017-12-20 いすゞ自動車株式会社 排気浄化システム
KR101637758B1 (ko) 2014-12-03 2016-07-07 현대자동차주식회사 Scr 시스템의 고장진단방법 및 고장진단장치
NL2015086B1 (en) 2015-07-03 2017-01-30 Daf Trucks Nv Method, apparatus, and system for diagnosing at least one NOx-sensor of a diesel engine system.
WO2017087402A1 (en) 2015-11-20 2017-05-26 Cummins, Inc. Systems and methods for using oxygen to diagnose in-range rationality for nox sensors
DE102016202765A1 (de) * 2016-02-23 2017-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Schaltkreisanordnung und Verfahren zum Herstellen einer Schaltkreisanordnung
CN107462670A (zh) * 2016-06-03 2017-12-12 大陆汽车电子(长春)有限公司 氮氧化物传感器故障检测方法
JP6569604B2 (ja) 2016-06-10 2019-09-04 株式会社デンソー 噴射制御装置
CN107035490B (zh) * 2017-03-29 2019-04-12 北京航空航天大学 一种柴油机scr系统氮氧化物输入传感器故障诊断方法
CN107023367B (zh) * 2017-03-29 2019-04-12 北京航空航天大学 一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法
US10690078B2 (en) * 2018-04-25 2020-06-23 International Engine Intellectual Property Company, Llc System and method for estimating engine exhaust nitrogen oxide sensor instability
CN108825344B (zh) * 2018-06-08 2020-12-15 无锡威孚力达催化净化器有限责任公司 一种NOx传感器测量值合理性判断方法及装置
JP2020060120A (ja) * 2018-10-09 2020-04-16 日本碍子株式会社 触媒の劣化診断装置及び触媒の劣化診断方法
EP4158164B1 (en) * 2020-05-29 2025-08-27 Cummins, Inc. Systems and methods for diagnosing nox sensor based on ammonia slip
US12251991B2 (en) 2020-08-20 2025-03-18 Denso International America, Inc. Humidity control for olfaction sensors
US11760170B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Olfaction sensor preservation systems and methods
US11828210B2 (en) 2020-08-20 2023-11-28 Denso International America, Inc. Diagnostic systems and methods of vehicles using olfaction
US11760169B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Particulate control systems and methods for olfaction sensors
US11932080B2 (en) 2020-08-20 2024-03-19 Denso International America, Inc. Diagnostic and recirculation control systems and methods
US11813926B2 (en) 2020-08-20 2023-11-14 Denso International America, Inc. Binding agent and olfaction sensor
US12269315B2 (en) 2020-08-20 2025-04-08 Denso International America, Inc. Systems and methods for measuring and managing odor brought into rental vehicles
US11636870B2 (en) 2020-08-20 2023-04-25 Denso International America, Inc. Smoking cessation systems and methods
US12377711B2 (en) 2020-08-20 2025-08-05 Denso International America, Inc. Vehicle feature control systems and methods based on smoking
US11881093B2 (en) 2020-08-20 2024-01-23 Denso International America, Inc. Systems and methods for identifying smoking in vehicles
US12017506B2 (en) 2020-08-20 2024-06-25 Denso International America, Inc. Passenger cabin air control systems and methods
CN112412599B (zh) * 2020-11-18 2022-04-05 潍柴动力股份有限公司 上游NOx传感器故障识别方法、装置、车辆及存储介质
CN112648055B (zh) * 2020-12-10 2022-01-21 潍柴动力股份有限公司 氮氧化物传感器的可信性检测方法、装置、设备及介质
US11959433B2 (en) * 2022-07-19 2024-04-16 Cummins Emission Solutions Inc. Systems and methods for determining exhibited useful life of sensors in monitored systems
CN119616644B (zh) * 2024-12-18 2025-09-19 东风商用车有限公司 一种氮氧传感器故障诊断方法、装置、电子设备及介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634597A (ja) * 1992-07-16 1994-02-08 Mitsubishi Motors Corp O2 センサの故障判定方法
JPH06264724A (ja) * 1993-03-15 1994-09-20 Nissan Motor Co Ltd 内燃機関の触媒劣化診断装置
JP3134698B2 (ja) 1995-02-10 2001-02-13 三菱自動車工業株式会社 空燃比センサの劣化診断装置
JP2003270194A (ja) * 2002-03-18 2003-09-25 Toyota Motor Corp NOxセンサの故障診断装置
JP2004270468A (ja) 2003-03-05 2004-09-30 Mitsubishi Fuso Truck & Bus Corp NOxセンサの異常判定装置
DE102004048136A1 (de) 2004-10-02 2006-04-06 Robert Bosch Gmbh Verfahren zur Diagnose eines in einem Abgasbereich einer Brennkraftmaschine angeordneten NOx-Sensors und Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554836B2 (ja) * 1993-12-24 1996-11-20 株式会社東芝 脱硝制御装置
DE10049685A1 (de) 2000-10-07 2002-04-11 Volkswagen Ag Verfahren und Vorrichtung zur Eigendiagnose eines NOX-Sensors
DE10062289A1 (de) * 2000-12-14 2002-07-04 Siemens Ag Verfahren zur Diagnose eines NOx-Sensors im Abgastrakt einer Brennkraftmaschine
US6453663B1 (en) * 2001-08-16 2002-09-24 Ford Global Technologies, Inc NOx sensor monitoring
JP3927395B2 (ja) * 2001-09-28 2007-06-06 株式会社日立製作所 圧縮着火エンジンの制御装置
JP4232524B2 (ja) * 2003-04-25 2009-03-04 株式会社日立製作所 エンジンの制御装置
US6823843B1 (en) * 2004-01-13 2004-11-30 Ford Global Technologies, Llc System and method to minimize the amount of NOx released from a NOx trap
US7178328B2 (en) * 2004-12-20 2007-02-20 General Motors Corporation System for controlling the urea supply to SCR catalysts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634597A (ja) * 1992-07-16 1994-02-08 Mitsubishi Motors Corp O2 センサの故障判定方法
JPH06264724A (ja) * 1993-03-15 1994-09-20 Nissan Motor Co Ltd 内燃機関の触媒劣化診断装置
JP3134698B2 (ja) 1995-02-10 2001-02-13 三菱自動車工業株式会社 空燃比センサの劣化診断装置
JP2003270194A (ja) * 2002-03-18 2003-09-25 Toyota Motor Corp NOxセンサの故障診断装置
JP2004270468A (ja) 2003-03-05 2004-09-30 Mitsubishi Fuso Truck & Bus Corp NOxセンサの異常判定装置
DE102004048136A1 (de) 2004-10-02 2006-04-06 Robert Bosch Gmbh Verfahren zur Diagnose eines in einem Abgasbereich einer Brennkraftmaschine angeordneten NOx-Sensors und Vorrichtung zur Durchführung des Verfahrens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102667090A (zh) * 2009-06-24 2012-09-12 康明斯知识产权公司 评估nox传感器响应速率劣化的设备、系统和方法
CN108150262A (zh) * 2017-12-22 2018-06-12 中国第汽车股份有限公司 判断氮氧传感器是否失效的检测方法
CN108150262B (zh) * 2017-12-22 2020-05-22 中国第一汽车股份有限公司 判断氮氧传感器是否失效的检测方法

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