JP4421610B2 - ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法及び推進装置 - Google Patents
ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法及び推進装置 Download PDFInfo
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- JP4421610B2 JP4421610B2 JP2006516288A JP2006516288A JP4421610B2 JP 4421610 B2 JP4421610 B2 JP 4421610B2 JP 2006516288 A JP2006516288 A JP 2006516288A JP 2006516288 A JP2006516288 A JP 2006516288A JP 4421610 B2 JP4421610 B2 JP 4421610B2
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- exhaust gas
- nitrogen oxide
- exhaust
- flow rate
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 114
- 238000000034 method Methods 0.000 title claims description 11
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 239000000446 fuel Substances 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 29
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 12
- 239000000779 smoke Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Images
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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0812—Particle filter loading
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing 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 oxygen content or concentration or the air-fuel ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Description
排気ガスに還元剤を供給することによって上記窒素酸化物トラップを再生する再生モードの間に、上記エンジンの動作点に応じて空気流量の設定値を決定し、上記設定値に近い空気流量を得るように上記調整手段を制御し、主噴射燃料量の噴射と2次噴射燃料量の噴射とを実行し、上記2次噴射燃料量の噴射は、膨張行程に実行され、排気ガスを還元性状態に維持するように調整され、
上記推進装置が、上記排気回路の中で変化する排気圧力を発生させる粒子フィルタを有し、上記空気流量の設定値は、上記排気圧力に応じて増加され、
上記空気流量の設定値は、上記動作点と上記粒子フィルタの充満状態の関数である係数によって修正され、
上記粒子フィルタの充満状態は、通過する排気ガスの流量と、入口と出口の間の差圧、または上記粒子フィルタの上流の排気ガスの流れに関する圧力の測定値によってによって算定されることを特徴とする、ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法を提供する。
−図1は、本発明による推進装置の略図であり;
−図2は、本発明の第1の実施の形態における、燃料と空気の流量の変化を、排気圧力の関数として示すグラフであり;
−図3は、本発明の第1の実施の形態における、発生される煙の量の変化を、排気圧力の関数として示すグラフであり;
−図4は、本発明の第2の実施の形態についての、図2に類似のグラフであり;
−図5は、本発明の第2の実施の形態についての、図3に類似のグラフである。
Claims (2)
- ディーゼルエンジン(1)と、給気回路(11、13、14)と、上記エンジンから発生する排気ガスの排気回路(16、3、4)と、上記エンジン(1)の中へ入る空気流量(D)を制御するための調整手段(22、23)を有する給気回路とを含んでなり、上記排気回路は上記排気ガスの中に含まれる窒素酸化物を貯留するための窒素酸化物トラップ(3)を有する、ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法において、
排気ガスに還元剤を供給することによって上記窒素酸化物トラップ(3)を再生する再生モードの間に、上記エンジンの動作点に応じて空気流量(D)の設定値を決定し、上記設定値に近い空気流量(D)を得るように上記調整手段(22、23)を制御し、主噴射燃料量(Qp)の噴射と2次噴射燃料量(Qs)の噴射とを実行し、上記2次噴射燃料量(Qs)の噴射は、膨張行程に実行され、排気ガスを還元性状態に維持するように調整され、
上記推進装置が、上記排気回路の中で変化する排気圧力(CPE)を発生させる粒子フィルタ(4)を有し、上記空気流量の設定値は、上記排気圧力(CPE)に応じて増加され、
上記空気流量の設定値は、上記動作点と上記粒子フィルタ(4)の充満状態の関数である係数によって修正され、
上記粒子フィルタ(4)の充満状態は、通過する排気ガスの流量と、入口と出口の間の差圧(DP)、または上記粒子フィルタ(4)の上流の排気ガスの流れに関する圧力の測定値によってによって算定されることを特徴とする、ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法。 - 請求項1に記載の推進装置の制御方法を適用するディーゼルエンジンと窒素酸化物トラップを有する推進装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0307525A FR2856432B1 (fr) | 2003-06-23 | 2003-06-23 | Procede de controle d'un systeme de motorisation a moteur diesel et piege a oxydes d'azote |
PCT/FR2004/001464 WO2005003539A1 (fr) | 2003-06-23 | 2004-06-11 | Procede de control d’un systeme de motorisation a moteur diesel et piege a oxydes d’azote |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007514886A JP2007514886A (ja) | 2007-06-07 |
JP4421610B2 true JP4421610B2 (ja) | 2010-02-24 |
Family
ID=33484630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006516288A Expired - Fee Related JP4421610B2 (ja) | 2003-06-23 | 2004-06-11 | ディーゼルエンジンと窒素酸化物トラップを有する推進装置の制御方法及び推進装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7818962B2 (ja) |
EP (1) | EP1636472A1 (ja) |
JP (1) | JP4421610B2 (ja) |
KR (1) | KR20060018899A (ja) |
FR (1) | FR2856432B1 (ja) |
WO (1) | WO2005003539A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005060671A1 (de) * | 2005-12-19 | 2007-06-28 | Robert Bosch Gmbh | Verfahren zum Betrieb einer Brennkraftmaschine |
US7877986B2 (en) * | 2007-05-04 | 2011-02-01 | GM Global Technology Operations LLC | Method and apparatus for generating a reductant in an exhaust gas of a compression-ignition engine |
FR3030621B1 (fr) | 2014-12-22 | 2016-12-23 | Renault Sa | Procede de diagnostic d'un piege a oxydes d'azote et dispositif associe |
KR102563441B1 (ko) * | 2018-11-12 | 2023-08-03 | 현대자동차 주식회사 | 배출 가스 정화 장치 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993007363A1 (fr) | 1991-10-03 | 1993-04-15 | Toyota Jidosha Kabushiki Kaisha | Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne |
JP3079933B2 (ja) * | 1995-02-14 | 2000-08-21 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE19543219C1 (de) * | 1995-11-20 | 1996-12-05 | Daimler Benz Ag | Verfahren zum Betreiben eines Dieselmotors |
DE19750226C1 (de) * | 1997-11-13 | 1998-10-29 | Daimler Benz Ag | Motorregelsystem für einen Dieselmotor |
FR2774424B1 (fr) * | 1998-02-02 | 2000-04-21 | Peugeot | Systeme de controle du fonctionnement d'une ligne d'echappement d'un moteur diesel notamment de vehicule automobile, equipee d'un filtre a particules |
US6209515B1 (en) * | 1998-07-15 | 2001-04-03 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine, controller and method |
FR2792036B1 (fr) * | 1999-04-06 | 2002-06-07 | Peugeot Citroen Automobiles Sa | Systeme d'aide a la regeneration d'un filtre a particules integre dans une ligne d'echappement d'un moteur diesel notamment de vehicule automobile |
DE19959605A1 (de) * | 1999-12-10 | 2001-06-13 | Volkswagen Ag | Vorrichtung und Verfahren zur NOx- und/oder SOx-Regeneration eines NOx-Speicherkatalysators |
FR2804997B1 (fr) * | 2000-02-11 | 2002-07-26 | Renault | Procede d'injection de carburant pour la regeneration d'un piege a oxydes d'azote |
JP3838338B2 (ja) * | 2001-03-27 | 2006-10-25 | 三菱ふそうトラック・バス株式会社 | 内燃機関の排気浄化装置 |
JP2003065116A (ja) * | 2001-08-24 | 2003-03-05 | Nissan Motor Co Ltd | 内燃機関の排気浄化装置 |
JP3788350B2 (ja) * | 2002-01-07 | 2006-06-21 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
JP4175022B2 (ja) * | 2002-05-20 | 2008-11-05 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
ATE290158T1 (de) * | 2002-08-27 | 2005-03-15 | Audi Ag | Verfahren zum aufheizen eines russfilters bei einem abgasanlagensystem eines verbrennungsmotors-insbesondere eines dieselmotors-mit wenigstens einem katalysator und einem diesem in strömungsrichtung nachgeordneten russfilter zum speichern des russes |
JP2004316610A (ja) * | 2003-04-18 | 2004-11-11 | Nissan Motor Co Ltd | エンジンの排気ガス浄化装置 |
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 |
-
2003
- 2003-06-23 FR FR0307525A patent/FR2856432B1/fr not_active Expired - Fee Related
-
2004
- 2004-06-11 US US10/561,446 patent/US7818962B2/en not_active Expired - Fee Related
- 2004-06-11 EP EP04767329A patent/EP1636472A1/fr not_active Withdrawn
- 2004-06-11 WO PCT/FR2004/001464 patent/WO2005003539A1/fr active Application Filing
- 2004-06-11 KR KR1020057024458A patent/KR20060018899A/ko not_active Application Discontinuation
- 2004-06-11 JP JP2006516288A patent/JP4421610B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1636472A1 (fr) | 2006-03-22 |
US7818962B2 (en) | 2010-10-26 |
FR2856432A1 (fr) | 2004-12-24 |
WO2005003539A1 (fr) | 2005-01-13 |
US20070271909A1 (en) | 2007-11-29 |
FR2856432B1 (fr) | 2005-09-30 |
JP2007514886A (ja) | 2007-06-07 |
KR20060018899A (ko) | 2006-03-02 |
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