JP7322150B2 - 車両の少なくとも一つのscr触媒コンバータを制御するための方法および装置 - Google Patents
車両の少なくとも一つのscr触媒コンバータを制御するための方法および装置 Download PDFInfo
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- JP7322150B2 JP7322150B2 JP2021535814A JP2021535814A JP7322150B2 JP 7322150 B2 JP7322150 B2 JP 7322150B2 JP 2021535814 A JP2021535814 A JP 2021535814A JP 2021535814 A JP2021535814 A JP 2021535814A JP 7322150 B2 JP7322150 B2 JP 7322150B2
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- Prior art keywords
- cell
- scr
- storage
- catalytic converter
- scr catalytic
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- 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.)
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Classifications
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- 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
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- 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
- F01N2570/14—Nitrogen oxides
-
- 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
- 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
- F01N2900/04—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
- F01N2900/06—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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
Description
本特許出願は、2018年12月21日に出願されたイタリア特許出願第102018000020851号の優先権を主張し、同出願の開示全体が参照により本明細書に援用される。
cNH3,SP=NH3レベル固定設定点
cNH3,SPCorr=SCR1の第1セルについてのNH3レベル可変設定点:一種の補正設定点
rNH3=尿素ベース薬剤投与モジュールのための制御信号に対応する要求NH3ガス濃度
cNH3,Cell1=SCR全体の第1セルのNH3レベル
cNH3,Cellx=SCR全体の第xセルのNH3レベル
dmExh=排気質量流量
tExh=排気温度
rNOx=上流NOx排出
rNOx,Out=下流NOx排出
最後の四つの入力dmExh、tExh、rNOx、rNOx,Outは実在または仮想センサから取得され、NH3貯蔵モデルSCRから必要とされる。
2 実在SCR触媒
3 尿素投与モジュール
4 Noxセンサ
5 NH3センサ
6 上流温度センサ
7 下流温度センサ
8 NH3貯蔵モデル
9 入力
10 出力
11 観察装置ループ
Claims (9)
- 車両のSCR触媒コンバータを制御するための方法であって、前記少なくとも一つのSCR触媒コンバータを複数のNH3貯蔵セル(セル1、セル2、...、セルn,セル1、セル2..セルn,セル1、セル2、...、セルn)としてモデル化する第1ステップと、基準値に基づくフィードバック制御により前記複数の貯蔵セルの第1(セル1)のみを制御する第2ステップと、前記複数の貯蔵セルの少なくとも別の貯蔵セルの貯蔵レベルに基づいて前記基準値を適応化する第3ステップとを包含し、前記第1貯蔵セルが排気ガス循環による前記SCR触媒コンバータの入口に配置される、方法。
- 前記SCR触媒コンバータが、カスケード接続された二以上のSCR装置を含み、前記排気ガス循環による第1SCR装置(SCR1)と最終SCR装置(SCR2)とを特定し、前記二以上のSCR装置において分散される前記複数の貯蔵セルを含むものとして前記二以上のSCR装置がモデル化され、前記第1貯蔵セル(セル1)が前記第1SCR装置の入口に配置され、前記別の貯蔵セルが前記最終SCR装置(SCR2)に属する、請求項1に記載の方法。
- 前記別の貯蔵セルが前記複数の貯蔵セルの最終貯蔵セル(セルn)である、請求項1または2に記載の方法。
- 前記別のNH3貯蔵セルが前記SCR触媒コンバータの最終NH3貯蔵セルである、請求項1から3のいずれか一つに記載の方法。
- 前記別のNH3貯蔵セルが、前記SCR触媒コンバータの最後の2~3個のNH3貯蔵セルの中から反復的に選択される、請求項1から3のいずれか一つに記載の方法。
- 請求項1から5のいずれかの方法を実行するように構成される制御ユニットを包含する、車両のSCR触媒コンバータを制御するための装置。
- コンピュータプログラムがコンピュータで作動する時に、請求項1から6のいずれか一つの全ステップを実施するように適応化されたコンピュータプログラムコード手段を包含するコンピュータプログラム。
- プログラムが記録されたコンピュータ可読媒体であって、前記プログラムがコンピュータで作動する時に請求項1から6のいずれか一つの全ステップを実施するように適応化されたコンピュータプログラムコード手段を包含するコンピュータ可読媒体。
- ディーゼル内燃機関により発生される排気ガスに含有される汚染物を処理するように配置される後処理システムを含むディーゼル内燃機関であって、前記後処理システムが、SCR触媒コンバータと、ディーゼル機関を制御するとともに請求項1から5のいずれか一つの全ステップに従って前記SCR触媒コンバータでのNH3貯蔵量を制御するように構成されるエンジン制御ユニットとを含む、ディーゼル内燃機関。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000020851 | 2018-12-21 | ||
IT102018000020851A IT201800020851A1 (it) | 2018-12-21 | 2018-12-21 | Metodo e dispositivo di controllo di almeno un convertitore catalitico scr di un veicolo |
PCT/IB2019/060907 WO2020128822A1 (en) | 2018-12-21 | 2019-12-17 | Method and device for controlling at least one scr catalytic converter of a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022524685A JP2022524685A (ja) | 2022-05-10 |
JP7322150B2 true JP7322150B2 (ja) | 2023-08-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021535814A Active JP7322150B2 (ja) | 2018-12-21 | 2019-12-17 | 車両の少なくとも一つのscr触媒コンバータを制御するための方法および装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220049637A1 (ja) |
EP (1) | EP3899220B1 (ja) |
JP (1) | JP7322150B2 (ja) |
CN (1) | CN113454315B (ja) |
ES (1) | ES2944836T3 (ja) |
IT (1) | IT201800020851A1 (ja) |
WO (1) | WO2020128822A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111828151B (zh) * | 2020-07-16 | 2021-11-05 | 一汽解放汽车有限公司 | 一种发动机scr后处理器的标定方法 |
CN115045738B (zh) * | 2022-05-09 | 2023-11-17 | 潍柴动力股份有限公司 | 尿素喷射系统的控制方法、装置、处理器和尿素喷射系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100326052A1 (en) | 2009-06-29 | 2010-12-30 | Gm Global Technology Operations, Inc. | Method for monitoring ammonia storage in an exhaust aftertreatment system |
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 |
JP2012067667A (ja) | 2010-09-22 | 2012-04-05 | Toyota Motor Corp | 排気浄化装置及び排気浄化装置の制御方法 |
JP2013515897A (ja) | 2009-12-23 | 2013-05-09 | エフピーティ モトーレンフォアシュンク アクチェンゲゼルシャフト | 車両のscr触媒コンバータを制御するための方法及び装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7992380B2 (en) | 2007-08-23 | 2011-08-09 | Caterpillar Inc. | Emission control system implementing reduction agent injection |
US8240194B2 (en) * | 2009-07-30 | 2012-08-14 | Ford Global Technologies, Llc | Methods and systems for diagnostics of an emission system with more than one SCR region |
AT507865A2 (de) * | 2010-05-04 | 2010-08-15 | Avl List Gmbh | Verfahren zum betreiben einer brennkraftmaschine |
DE102010060099A1 (de) * | 2010-10-21 | 2012-04-26 | Ford Global Technologies, Llc. | Verfahren zum Anpassen eines SCR Katalysators in einem Abgassystem eines Kraftfahrzeugs |
DE102011085108A1 (de) * | 2011-10-24 | 2013-04-25 | Ford Global Technologies, Llc | Verfahren zur Steuerung einer Injektionseinrichtung zur Einspeisung eines Ammoniak freisetzenden Reduktionsmittels in ein Abgasreinigungssystem einer Verbrennungskraftmaschine |
-
2018
- 2018-12-21 IT IT102018000020851A patent/IT201800020851A1/it unknown
-
2019
- 2019-12-17 JP JP2021535814A patent/JP7322150B2/ja active Active
- 2019-12-17 CN CN201980092469.3A patent/CN113454315B/zh active Active
- 2019-12-17 ES ES19835512T patent/ES2944836T3/es active Active
- 2019-12-17 WO PCT/IB2019/060907 patent/WO2020128822A1/en unknown
- 2019-12-17 EP EP19835512.5A patent/EP3899220B1/en active Active
- 2019-12-17 US US17/414,523 patent/US20220049637A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100326052A1 (en) | 2009-06-29 | 2010-12-30 | Gm Global Technology Operations, Inc. | Method for monitoring ammonia storage in an exhaust aftertreatment system |
JP2013515897A (ja) | 2009-12-23 | 2013-05-09 | エフピーティ モトーレンフォアシュンク アクチェンゲゼルシャフト | 車両のscr触媒コンバータを制御するための方法及び装置 |
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 |
JP2012067667A (ja) | 2010-09-22 | 2012-04-05 | Toyota Motor Corp | 排気浄化装置及び排気浄化装置の制御方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113454315A (zh) | 2021-09-28 |
US20220049637A1 (en) | 2022-02-17 |
EP3899220A1 (en) | 2021-10-27 |
IT201800020851A1 (it) | 2020-06-21 |
WO2020128822A1 (en) | 2020-06-25 |
ES2944836T3 (es) | 2023-06-26 |
EP3899220B1 (en) | 2023-03-01 |
JP2022524685A (ja) | 2022-05-10 |
CN113454315B (zh) | 2024-04-02 |
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