ATE468477T1 - Verfahren und vorrichtung zur steuerung der einspritzung eines reduktionsmittels - Google Patents

Verfahren und vorrichtung zur steuerung der einspritzung eines reduktionsmittels

Info

Publication number
ATE468477T1
ATE468477T1 AT04809157T AT04809157T ATE468477T1 AT E468477 T1 ATE468477 T1 AT E468477T1 AT 04809157 T AT04809157 T AT 04809157T AT 04809157 T AT04809157 T AT 04809157T AT E468477 T1 ATE468477 T1 AT E468477T1
Authority
AT
Austria
Prior art keywords
injection
reducing agent
control unit
electronic control
computer program
Prior art date
Application number
AT04809157T
Other languages
English (en)
Inventor
Bjoern Westerberg
Original Assignee
Scania Cv Abp
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 Scania Cv Abp filed Critical Scania Cv Abp
Application granted granted Critical
Publication of ATE468477T1 publication Critical patent/ATE468477T1/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 ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0406—Methods of control or diagnosing using a model with a division of the catalyst or filter in several cells
    • 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
    • F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
AT04809157T 2004-01-20 2004-12-22 Verfahren und vorrichtung zur steuerung der einspritzung eines reduktionsmittels ATE468477T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0400104A SE526404C2 (sv) 2004-01-20 2004-01-20 Förfarande och anordning för styrning av insprutning av reduktionsmedel
PCT/SE2004/001984 WO2005068797A1 (en) 2004-01-20 2004-12-22 Method and device for controlling the injection of reducing agent

Publications (1)

Publication Number Publication Date
ATE468477T1 true ATE468477T1 (de) 2010-06-15

Family

ID=31493075

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04809157T ATE468477T1 (de) 2004-01-20 2004-12-22 Verfahren und vorrichtung zur steuerung der einspritzung eines reduktionsmittels

Country Status (9)

Country Link
US (1) US7559194B2 (de)
EP (1) EP1706607B1 (de)
CN (1) CN100443700C (de)
AT (1) ATE468477T1 (de)
BR (1) BRPI0418381A (de)
DE (1) DE602004027302D1 (de)
RU (1) RU2354833C2 (de)
SE (1) SE526404C2 (de)
WO (1) WO2005068797A1 (de)

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DE102005042487A1 (de) 2005-09-07 2007-03-08 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
JP4697182B2 (ja) * 2007-05-15 2011-06-08 トヨタ自動車株式会社 内燃機関の排気浄化制御装置
ATE459407T1 (de) * 2007-07-31 2010-03-15 Delphi Tech Inc System und verfahren zur selektiven steuerung einer katalytischen reduktion
FR2929534B1 (fr) * 2008-04-08 2010-05-21 Peugeot Citroen Automobiles Sa Procede d'evaluation de risque de desorption d'ammoniac stocke dans un catalyseur scr
US8061126B2 (en) * 2008-07-30 2011-11-22 GM Global Technology Operations LLC Nitrogen oxide estimation downstream of a selective catalytic reduction catalyst
US7858060B2 (en) * 2008-07-30 2010-12-28 Gm Global Technology Operations, Inc Current storage estimation for selective catalytic reduction catalysts
US8596042B2 (en) 2008-08-28 2013-12-03 Delphi International Operations Luxembourg S.A.R.L. System and method for selective catalytic reduction control
US20100101215A1 (en) * 2008-10-24 2010-04-29 Ming-Cheng Wu Exhaust gas treatment system and methods for operating the same
EP2181756B1 (de) * 2008-10-30 2014-12-17 Delphi International Operations Luxembourg S.à r.l. Verfahren zum Steuern eines SCR-Katalysators
US8291695B2 (en) * 2008-12-05 2012-10-23 GM Global Technology Operations LLC Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine
US8413424B2 (en) * 2009-01-23 2013-04-09 Caterpillar Inc. Stored reductant state for startup
SE533728C2 (sv) * 2009-04-30 2010-12-14 Scania Cv Ab System för styrning av insprutningen av reduktionsmedel och förfarande för fastställande av reglerparametrar hos en regulator ingående i ett sådant system
SE533790C2 (sv) * 2009-05-29 2011-01-11 Scania Cv Ab Förfarande och system för styrning av insprutningen av reduktionsmedel uppströms en SCR-katalysator
US9133749B2 (en) * 2009-07-10 2015-09-15 Kevin Andrew Gady Ammonia storage set-point control for selective catalytic reduction applications
EP2339136B1 (de) * 2009-12-23 2013-08-21 FPT Motorenforschung AG Verfahren und Vorrichtung zur Steuerung eines SCR-Katalysatorwandlers eines Fahrzeugs
US8584444B2 (en) * 2010-02-09 2013-11-19 General Electric Company Model-based controls for selective catalyst reduction system
DE102010002620A1 (de) * 2010-03-05 2011-09-08 Robert Bosch Gmbh Verfahren zum Betreiben eines SCR-Katalysators
WO2011118095A1 (ja) * 2010-03-25 2011-09-29 Ｕｄトラックス株式会社 エンジンの排気浄化装置及びエンジンの排気浄化方法
AT507865A2 (de) * 2010-05-04 2010-08-15 Avl List Gmbh Verfahren zum betreiben einer brennkraftmaschine
US8276373B2 (en) * 2010-07-01 2012-10-02 GM Global Technology Operations LLC Adaptive control of SCR urea injection to compensate errors
JP5627367B2 (ja) * 2010-09-22 2014-11-19 トヨタ自動車株式会社 排気浄化装置及び排気浄化装置の制御方法
DE102010060099A1 (de) * 2010-10-21 2012-04-26 Ford Global Technologies, Llc. Verfahren zum Anpassen eines SCR Katalysators in einem Abgassystem eines Kraftfahrzeugs
DE102012201128B3 (de) * 2012-01-26 2013-01-17 Ford Global Technologies, Llc Verfahren, Steuergerät und Speichermedium zur Steuerung einer Harnstoffinjektion bei niedrigen Abgastemperaturen unter Berücksichtigung des Harnstoffgehalts
US9964058B2 (en) * 2012-04-03 2018-05-08 Ford Global Technologies, Llc System and method for increasing fuel economy of a vehicle including a SCR catalyst
GB201207201D0 (en) * 2012-04-24 2012-06-06 Perkins Engines Co Ltd Emissions cleaning module for a diesel engine
DE102012108272A1 (de) * 2012-09-06 2014-03-06 Emitec Denmark A/S Vorrichtung zur Förderung eines flüssigen Additivs
FR3015558B1 (fr) * 2013-12-20 2019-02-01 Renault S.A.S Detection et quantification des fuites d'ammoniac en aval d'un systeme de reduction catalytique selective d'oxydes d'azote
EP2899379B1 (de) * 2014-01-23 2018-11-21 Delphi International Operations Luxembourg S.à r.l. Methode zur Kontrolle eines mehrstufigen selektiven katalytischen Reduktionssystems
KR101890380B1 (ko) * 2014-02-28 2018-09-28 스카니아 씨브이 악티에볼라그 내연 엔진으로부터의 배기 가스 내의 질소 산화물의 함량에 영향을 미치는 장치 및 방법
JP6287924B2 (ja) * 2015-03-26 2018-03-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
SE539803C2 (en) 2015-06-05 2017-12-05 Scania Cv Ab A method and a system for determining a composition of a gas mix in a vehicle
JP6269614B2 (ja) * 2015-08-06 2018-01-31 トヨタ自動車株式会社 内燃機関の排気浄化装置
SE540738C2 (en) 2016-12-08 2018-10-23 Scania Cv Ab Method and system for controlling a sectional ammonia coverage degree profile for a scr catalyst

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DE4203219A1 (de) * 1992-02-05 1993-08-12 Basf Ag Verfahren zur stickoxidminderung in abgasen durch gesteuerte nh(pfeil abwaerts)3(pfeil abwaerts)-zugabe
DE4315278A1 (de) * 1993-05-07 1994-11-10 Siemens Ag Verfahren und Einrichtung zur Dosierung eines Reduktionsmittels in ein stickoxidhaltiges Abgas
CN1198798A (zh) * 1995-09-29 1998-11-11 西门子公司 在催化剂上转化废气中有害物质的方法与设备
DE19736384A1 (de) * 1997-08-21 1999-02-25 Man Nutzfahrzeuge Ag Verfahren zur Dosierung eines Reduktionsmittels in stickoxidhaltiges Abgas einer Brennkraftmaschine
DE60140104D1 (de) * 2000-06-13 2009-11-19 Ford Global Tech Inc Verfahren zur Optimierung der Zugabe eines Reduktionmittels zu einem SCR-Katalysator einer Brennkraftmaschine
DE10035525A1 (de) * 2000-07-21 2002-02-07 Bosch Gmbh Robert Verfahren zum Betreiben eines Katalysators
US6415602B1 (en) * 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
DE10100420A1 (de) * 2001-01-08 2002-07-11 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems
US6928359B2 (en) * 2001-08-09 2005-08-09 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
JP3951774B2 (ja) * 2002-03-29 2007-08-01 三菱ふそうトラック・バス株式会社 内燃機関のＮОｘ浄化装置
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JP4284087B2 (ja) * 2003-02-18 2009-06-24 本田技研工業株式会社 内燃機関の排気ガス浄化装置
DE102004038731A1 (de) * 2004-08-10 2006-02-23 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
ATE369486T1 (de) * 2004-12-18 2007-08-15 Haldor Topsoe As Verfahren zur regelung der zugabe eines reduktionsmittels in das abgas einer brennkraftmaschine

Also Published As

Publication number Publication date
CN1906386A (zh) 2007-01-31
US20070125071A1 (en) 2007-06-07
EP1706607B1 (de) 2010-05-19
WO2005068797A1 (en) 2005-07-28
BRPI0418381A (pt) 2007-05-22
SE0400104L (sv) 2005-07-21
US7559194B2 (en) 2009-07-14
RU2006129924A (ru) 2008-02-27
CN100443700C (zh) 2008-12-17
SE526404C2 (sv) 2005-09-06
SE0400104D0 (sv) 2004-01-20
DE602004027302D1 (de) 2010-07-01
EP1706607A1 (de) 2006-10-04
RU2354833C2 (ru) 2009-05-10

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