ATE554275T1 - Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr) - Google Patents

Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr)

Info

Publication number
ATE554275T1
ATE554275T1 AT09173180T AT09173180T ATE554275T1 AT E554275 T1 ATE554275 T1 AT E554275T1 AT 09173180 T AT09173180 T AT 09173180T AT 09173180 T AT09173180 T AT 09173180T AT E554275 T1 ATE554275 T1 AT E554275T1
Authority
AT
Austria
Prior art keywords
diagnostic
catalytic reduction
selective catalytic
skr
exhaust gas
Prior art date
Application number
AT09173180T
Other languages
English (en)
Inventor
Andrew D Herman
Ming-Cheng Wu
David D Cabush
Mark A Shost
Original Assignee
Delphi Tech Inc
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 Delphi Tech Inc filed Critical Delphi Tech Inc
Application granted granted Critical
Publication of ATE554275T1 publication Critical patent/ATE554275T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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
    • F01N3/20—Exhaust 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 specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0402—Methods of control or diagnosing using adaptive learning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0408—Methods of control or diagnosing using a feed-back loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0411—Methods of control or diagnosing using a feed-forward control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0412—Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1621—Catalyst conversion efficiency
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
AT09173180T 2008-10-24 2009-10-15 Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr) ATE554275T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10817208P 2008-10-24 2008-10-24
US12/327,945 US20100101214A1 (en) 2008-10-24 2008-12-04 Diagnostic methods for selective catalytic reduction (scr) exhaust treatment system

Publications (1)

Publication Number Publication Date
ATE554275T1 true ATE554275T1 (de) 2012-05-15

Family

ID=41528591

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09173180T ATE554275T1 (de) 2008-10-24 2009-10-15 Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr)

Country Status (3)

Country Link
US (1) US20100101214A1 (de)
EP (1) EP2180157B1 (de)
AT (1) ATE554275T1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010888B4 (de) * 2009-02-27 2012-02-02 Continental Automotive Gmbh Verfahren und Vorrichtung zur Steuerung eines SCR-Abgasnachbehandlungssystems einer Brennkraftmaschine
GB0909987D0 (en) * 2009-06-11 2009-07-22 Agco Sa Catalytic converter module
JP5398372B2 (ja) * 2009-06-18 2014-01-29 Ｕｄトラックス株式会社 エンジンの排気浄化装置
US8516796B2 (en) * 2009-11-20 2013-08-27 GM Global Technology Operations LLC System and method for monitoring catalyst efficiency and post-catalyst oxygen sensor performance
US20120067028A1 (en) * 2010-02-22 2012-03-22 Clerc James C Aftertreatment catalyst degradation compensation
US8454916B2 (en) 2010-06-18 2013-06-04 GM Global Technology Operations LLC Selective catalytic reduction (SCR) catalyst depletion control systems and methods
US8429898B2 (en) * 2010-06-18 2013-04-30 GM Global Technology Operations LLC Selective catalytic reduction (SCR) catalyst depletion control systems and methods
CA2804954C (en) * 2010-07-23 2020-06-30 Saudi Arabian Oil Company Machines, computer program products, and computer-implemented methods providing an integrated node for data acquisition and control
EP2606210B1 (de) * 2010-08-18 2017-10-25 Continental Automotive GmbH Verfahren zum betrieb einer abgasbehandlungsvorrichtung
FR2968715B1 (fr) * 2010-12-14 2015-10-02 Peugeot Citroen Automobiles Sa Procede de diagnostic d'un systeme de reduction catalytique selective pour un vehicule et vehicule correspondant
DE102011011441B3 (de) 2011-02-16 2012-06-14 Mtu Friedrichshafen Gmbh Verfahren zur dynamischen Durchbrucherkennung für SCR-Katalysatoren
US9097192B2 (en) 2011-03-15 2015-08-04 Delphi Technologies, Inc. Method and apparatus for identifying gas sensor faults
WO2012138936A1 (en) * 2011-04-05 2012-10-11 Cummins Inc. System, method, and apparatus for aftertreatment system monitoring
US9599006B2 (en) 2011-08-30 2017-03-21 GM Global Technology Operations LLC Catalyst oxygen storage capacity adjustment systems and methods
US20140271424A1 (en) * 2011-10-09 2014-09-18 Weichai Power Co., Ltd. Apparatus and method for after-treatment of exhaust emission from diesel engine
US20130152545A1 (en) * 2011-12-14 2013-06-20 Caterpillar Inc. Diesel eission fluid quality detection system and method
US8793976B2 (en) 2012-01-19 2014-08-05 GM Global Technology Operations LLC Sulfur accumulation monitoring systems and methods
WO2013134539A1 (en) 2012-03-07 2013-09-12 Cummins Inc. Method and algorithm for performing an nh3 sensor rationality diagnostic
WO2013161032A1 (ja) * 2012-04-26 2013-10-31 トヨタ自動車株式会社 内燃機関の排気浄化装置の異常判定システム
WO2014134273A1 (en) * 2013-02-27 2014-09-04 Cummins Ip, Inc. Apparatus, method and system for diagnosing reductant delivery performance
WO2015048099A1 (en) * 2013-09-25 2015-04-02 Cummins Inc. Scr aftertreatment management to mitigate slip events
US9771888B2 (en) 2013-10-18 2017-09-26 GM Global Technology Operations LLC System and method for controlling an engine based on an oxygen storage capability of a catalytic converter
SE540265C2 (sv) * 2014-01-31 2018-05-15 Scania Cv Ab Förfarande och system vid tillförsel av tillsatsmedel till en avgasström
DE102014208095B4 (de) * 2014-04-29 2016-06-30 Mtu Friedrichshafen Gmbh Verfahren zur Alterungserkennung eines heterogenen Katalysators, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine
US9115630B1 (en) 2014-05-02 2015-08-25 Cummins Inc. Diagnostic for a mid-catalyst NH3 sensor
US9606092B2 (en) 2014-08-07 2017-03-28 Cummins Emission Solutions, Inc. NOx sensor diagnosis system and method
US10071344B2 (en) * 2015-10-19 2018-09-11 Paccar Inc Reductant dosing control using prediction of exhaust species in selective catalytic reduction
DE102016122315A1 (de) 2015-12-10 2017-06-14 General Electric Company System und Verfahren zur Fehlerdiagnose in einem Emissionssteuerungssystem
US9650981B1 (en) 2015-12-28 2017-05-16 GM Global Technology Operations LLC Adjustment of measured oxygen storage capacity based on upstream O2 sensor performance
US9790835B1 (en) 2016-04-25 2017-10-17 Cummins Emission Solutions Inc. Catalyst failure detection based combined ammonia to NOx ratios, conversion inefficiency values and ammonia slip values
US10767584B2 (en) * 2017-03-13 2020-09-08 Cummins Inc. Systems and methods for controlling an engine based on aftertreatment system characteristics
CN107023359A (zh) * 2017-06-07 2017-08-08 北京工业大学 一种非电控柴油机的NOx后处理系统
US10634032B2 (en) * 2017-12-15 2020-04-28 GM Global Technology Operations LLC Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine
US11107307B2 (en) * 2018-05-01 2021-08-31 Ford Global Technologies, Llc Systems and methods for probabilistic on-board diagnostics
DE102018213379A1 (de) * 2018-08-09 2020-02-13 Robert Bosch Gmbh Verfahren zur Überwachung eines SCR-Katalysators
DE102020205025A1 (de) 2019-05-09 2020-11-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Überwachung eines SCR-Katalysators
US12251991B2 (en) 2020-08-20 2025-03-18 Denso International America, Inc. Humidity control for olfaction sensors
US11636870B2 (en) 2020-08-20 2023-04-25 Denso International America, Inc. Smoking cessation systems and methods
US11760169B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Particulate control systems and methods for olfaction sensors
US11828210B2 (en) 2020-08-20 2023-11-28 Denso International America, Inc. Diagnostic systems and methods of vehicles using olfaction
US12269315B2 (en) 2020-08-20 2025-04-08 Denso International America, Inc. Systems and methods for measuring and managing odor brought into rental vehicles
US11881093B2 (en) 2020-08-20 2024-01-23 Denso International America, Inc. Systems and methods for identifying smoking in vehicles
US12377711B2 (en) 2020-08-20 2025-08-05 Denso International America, Inc. Vehicle feature control systems and methods based on smoking
US11932080B2 (en) 2020-08-20 2024-03-19 Denso International America, Inc. Diagnostic and recirculation control systems and methods
US12017506B2 (en) 2020-08-20 2024-06-25 Denso International America, Inc. Passenger cabin air control systems and methods
US11813926B2 (en) 2020-08-20 2023-11-14 Denso International America, Inc. Binding agent and olfaction sensor
US11760170B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Olfaction sensor preservation systems and methods
CN112697311B (zh) * 2020-12-23 2022-10-28 潍柴动力股份有限公司 一种后处理排温传感器安装检测方法及装置
CN114790927B (zh) * 2021-06-03 2023-12-19 长城汽车股份有限公司 尿素喷射控制方法、装置及终端设备
US11773798B1 (en) 2022-12-01 2023-10-03 Caterpillar Inc. Controlling operation of an engine based on emissions monitoring

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576587B2 (en) * 2001-03-13 2003-06-10 Delphi Technologies, Inc. High surface area lean NOx catalyst
US6981368B2 (en) * 2002-11-21 2006-01-03 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US7093427B2 (en) * 2002-11-21 2006-08-22 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
DE10300298A1 (de) * 2003-01-02 2004-07-15 Daimlerchrysler Ag Abgasnachbehandlungseinrichtung und -verfahren
US7240484B2 (en) * 2003-12-29 2007-07-10 Delphi Technologies, Inc. Exhaust treatment systems and methods for using the same
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
US7418816B2 (en) * 2005-09-01 2008-09-02 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US20070044456A1 (en) * 2005-09-01 2007-03-01 Devesh Upadhyay Exhaust gas aftertreatment systems
US20070137181A1 (en) * 2005-12-16 2007-06-21 Devesh Upadhyay Exhaust gas aftertreatment systems
US7472545B2 (en) 2006-05-25 2009-01-06 Delphi Technologies, Inc. Engine exhaust emission control system providing on-board ammonia generation
US7610750B2 (en) * 2006-07-25 2009-11-03 Gm Global Technology Operations, Inc. Method and apparatus for monitoring a urea injection system in an exhaust aftertreatment system
US7426825B2 (en) * 2006-07-25 2008-09-23 Gm Global Technology Operations, Inc. Method and apparatus for urea injection in an exhaust aftertreatment system

Also Published As

Publication number Publication date
US20100101214A1 (en) 2010-04-29
EP2180157A2 (de) 2010-04-28
EP2180157A3 (de) 2010-07-21
EP2180157B1 (de) 2012-04-18

Similar Documents

Publication Publication Date Title
ATE554275T1 (de) Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr)
ATE538289T1 (de) Vorrichtung zur diagnose von anomalien in einem abgasreinigungssystem
US8474248B2 (en) Model based method for selective catalyst reducer urea dosing strategy
JP6795283B2 (ja) 内燃機関における車載の触媒状態監視／制御システムの適合
US9657630B2 (en) Diagnostic systems and methods for selective catalytic reduction (SCR) systems based on NOx sensor feedback
WO2009031030A8 (en) Exhaust emission control system of internal combustion engine and exhaust emission control method
US20120060469A1 (en) Model-based diagnostic method and system for a selective reduction catalyst device in a vehicle
ATE500405T1 (de) Vorrichtung und verfahren zur steuerung eines abgasnachbehandlungssystems
DE602004006415D1 (de) Verfahren zur steuerung der reduktionsmittelzugabe
WO2008078645A1 (ja) 内燃機関の排気浄化装置
CN102444458A (zh) 在选择性催化还原系统中检测低质量还原剂和催化剂劣化的系统和方法
CN104343512A (zh) 用于确定排气净化装置的效率的方法和设备
WO2008014074A3 (en) Method and apparatus for urea injection in an exhaust aftertreatment system
EP2126297A4 (de) Verfahren zum antreiben eines abgasnachverarbeitungssystems und abgasnachverarbeitungssystem
ATE474131T1 (de) Alterungsbestimmungsvorrichtung und verfahren für abgasreinigungsvorrichtung
KR101652454B1 (ko) 배기 후처리 시스템 및 그와 같은 시스템에 관한 방법
WO2008014072A3 (en) Method and apparatus for monitoring a urea injection system in an exhaust aftertreatment system
WO2012047484A2 (en) Exhaust system having cross-sensitive sensor
WO2007147041A3 (en) APPARATUS AND METHOD FOR NOx REDUCTION
CN109931129B (zh) 用于监测内燃机的排气后处理系统的方法和装置
ATE541113T1 (de) Vorrichtung zur abgasreinigung in einem verbrennungsmotor
US20160108791A1 (en) Aftertreatment Control for Detection of Fuel Contaminant Concentration
ATE466175T1 (de) Verfahren und vorrichtung zur zugabe eines additivs zur abgasreinigung
US9482133B2 (en) Exhaust emission control system of internal combustion engine
DE602006017915D1 (de) Verfahren und Steuervorrichtung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine