BRPI0906443A2 - Controle de feedback em redução catalítica seletiva - Google Patents

Controle de feedback em redução catalítica seletiva

Info

Publication number
BRPI0906443A2
BRPI0906443A2 BRPI0906443-5A BRPI0906443A BRPI0906443A2 BR PI0906443 A2 BRPI0906443 A2 BR PI0906443A2 BR PI0906443 A BRPI0906443 A BR PI0906443A BR PI0906443 A2 BRPI0906443 A2 BR PI0906443A2
Authority
BR
Brazil
Prior art keywords
feedback control
catalytic reduction
selective catalytic
reduction feedback
selective
Prior art date
Application number
BRPI0906443-5A
Other languages
English (en)
Inventor
Baohua Qi
Mickey R Mcdaniel
Hakeem Ogunleye
Clyde Xi
Hongbin Ma
Original Assignee
Cummins Filtration Ip 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 Cummins Filtration Ip Inc filed Critical Cummins Filtration Ip Inc
Publication of BRPI0906443A2 publication Critical patent/BRPI0906443A2/pt
Publication of BRPI0906443B1 publication Critical patent/BRPI0906443B1/pt

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
    • 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
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F01N2900/0408—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
    • 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)
BRPI0906443-5A 2008-01-23 2009-01-12 controle de feedback em redução catalítica seletiva BRPI0906443B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/018,583 2008-01-23
US12/018,583 US8034291B2 (en) 2008-01-23 2008-01-23 Feedback control in selective catalytic reduction
PCT/US2009/030738 WO2009094255A2 (en) 2008-01-23 2009-01-12 Feedback control in selective catalytic reduction

Publications (2)

Publication Number Publication Date
BRPI0906443A2 true BRPI0906443A2 (pt) 2015-07-14
BRPI0906443B1 BRPI0906443B1 (pt) 2020-10-13

Family

ID=40876646

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0906443-5A BRPI0906443B1 (pt) 2008-01-23 2009-01-12 controle de feedback em redução catalítica seletiva

Country Status (5)

Country Link
US (1) US8034291B2 (pt)
CN (1) CN101981282B (pt)
BR (1) BRPI0906443B1 (pt)
DE (1) DE112009000193B4 (pt)
WO (1) WO2009094255A2 (pt)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8061126B2 (en) * 2008-07-30 2011-11-22 GM Global Technology Operations LLC Nitrogen oxide estimation downstream of a selective catalytic reduction catalyst
US8596042B2 (en) * 2008-08-28 2013-12-03 Delphi International Operations Luxembourg S.A.R.L. System and method for selective catalytic reduction control
US9133749B2 (en) * 2009-07-10 2015-09-15 Kevin Andrew Gady Ammonia storage set-point control for selective catalytic reduction applications
US8555621B2 (en) * 2009-09-01 2013-10-15 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification apparatus for internal combustion engine
US8584444B2 (en) * 2010-02-09 2013-11-19 General Electric Company Model-based controls for selective catalyst reduction system
US8607548B2 (en) * 2010-10-06 2013-12-17 Avl North America, Inc. SCR ammonia slip detection
US8783013B2 (en) 2010-10-21 2014-07-22 Siemens Energy, Inc. Feedforward selective catalytic reduction system for turbine engines
KR101251505B1 (ko) 2010-12-02 2013-04-05 현대자동차주식회사 질소산화물 저감 촉매에 저장되는 질소산화물의 양을 예측하는 방법 및 이를 이용한 배기 장치
KR101189241B1 (ko) * 2010-12-02 2012-10-09 현대자동차주식회사 질소산화물 저감 촉매의 재생 예측 방법 및 이를 이용한 배기 장치
DE102011011441B3 (de) * 2011-02-16 2012-06-14 Mtu Friedrichshafen Gmbh Verfahren zur dynamischen Durchbrucherkennung für SCR-Katalysatoren
WO2012138936A1 (en) 2011-04-05 2012-10-11 Cummins Inc. System, method, and apparatus for aftertreatment system monitoring
WO2012151442A1 (en) * 2011-05-03 2012-11-08 Cummins Inc. Control techniques for an scr aftertreatment system
GB2503246B (en) * 2012-06-20 2015-06-17 Perkins Engines Co Ltd Method and apparatus for estimating a dosing-error in a selective catalytic reduction system
US9273612B2 (en) * 2013-01-23 2016-03-01 Siemens Aktiengesellschaft Method of operating a gas turbine for reduced ammonia slip
US9003778B2 (en) * 2013-09-09 2015-04-14 GM Global Technology Operations LLC Exhaust fluid dosing control system and method
CN105899771B (zh) 2014-01-20 2019-04-09 卡明斯公司 内燃机后处理系统及其控制方法
SE540265C2 (sv) * 2014-01-31 2018-05-15 Scania Cv Ab Förfarande och system vid tillförsel av tillsatsmedel till en avgasström
US9238984B2 (en) 2014-02-03 2016-01-19 Caterpillar, Inc. Exhaust emission prediction system and method
US10001042B2 (en) * 2014-03-03 2018-06-19 Cummins Inc. Systems, methods, and apparatus for reductant dosing in an SCR aftertreatment system
US9441519B2 (en) * 2014-06-11 2016-09-13 Cummins Inc. System variation adaption for feed-forward controller
CN105276610A (zh) * 2014-07-16 2016-01-27 深圳市国创新能源研究院 燃料分级低氮燃烧系统及控制方法
US9606092B2 (en) * 2014-08-07 2017-03-28 Cummins Emission Solutions, Inc. NOx sensor diagnosis system and method
US10473013B2 (en) 2014-09-26 2019-11-12 Cummins Emission Solutions, Inc. Integrative reductant system and method using constant volume injection
CN104288359A (zh) * 2014-10-20 2015-01-21 中山百鸥医药科技有限公司 用于治疗烫伤的药物组合物
US9926827B2 (en) 2015-05-01 2018-03-27 Cummins Emission Solutions, Inc. Detection of an improper reductant in a storage tank
US10871097B2 (en) * 2016-06-28 2020-12-22 Cummins Emission Solutions Inc. NH3 slip detection using NOx sensor
CN106593596B (zh) * 2016-12-29 2019-05-24 无锡威孚力达催化净化器有限责任公司 Scr系统闭环控制计算方法
DE102017222253B4 (de) 2017-03-28 2023-09-21 Ford Global Technologies, Llc Verfahren zum Betrieb einer Abgasnachbehandlungsvorrichtung eines Kraftfahrzeugs
US10443471B2 (en) * 2017-05-04 2019-10-15 GM Global Technology Operations LLC Selective catalytic reduction dosing control
US10378463B2 (en) * 2017-07-10 2019-08-13 GM Global Technology Operations LLC Selective catalytic reduction steady state ammonia slip detection
CN107703907B (zh) * 2017-08-11 2020-10-09 中国汽车技术研究中心 一种用于发动机排放控制系统的检测系统
DE102018200440B4 (de) * 2018-01-12 2025-07-31 Robert Bosch Gmbh Verfahren zum Steuern eines Dosiersystems mit mehreren Dosierventilen
DE102022214379A1 (de) * 2022-12-23 2024-07-04 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zum Messen von Stickoxid- und Ammoniakemissionen eines Abgasnachbehandlungssystems für Verbrennungsabgase
US12644414B1 (en) * 2025-02-11 2026-06-02 Ge Vernova Infrastructure Technology Llc System and method for exhaust gas temperature control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473536A (en) 1982-12-27 1984-09-25 General Electric Company Catalytic pollution control system for gas turbine exhaust
DE19536571C2 (de) 1995-09-29 1998-09-03 Siemens Ag Verfahren sowie Vorrichtung zur Dosierung der Eingabe eines Reduktionsmittels in den Abgas- oder Abluftstrom einer Verbrennungsanlage
DE19903439A1 (de) 1999-01-29 2000-08-03 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystem
US6415602B1 (en) 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
US7784272B2 (en) * 2004-08-31 2010-08-31 Cummins Inc. Control system for an engine aftertreatment system
DE102005042489A1 (de) 2005-09-07 2007-03-08 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
US8156732B2 (en) 2006-03-24 2012-04-17 Fleetguard, Inc. Apparatus, system, and method for regenerating an exhaust gas treatment device

Also Published As

Publication number Publication date
US20090185954A1 (en) 2009-07-23
BRPI0906443B1 (pt) 2020-10-13
US8034291B2 (en) 2011-10-11
CN101981282B (zh) 2013-03-27
CN101981282A (zh) 2011-02-23
WO2009094255A2 (en) 2009-07-30
DE112009000193B4 (de) 2019-02-21
DE112009000193T5 (de) 2011-06-09
WO2009094255A3 (en) 2009-10-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/10/2020, OBSERVADAS AS CONDICOES LEGAIS.