JP4093158B2 - ディーゼルエンジンのフィルタ再生制御装置 - Google Patents
ディーゼルエンジンのフィルタ再生制御装置 Download PDFInfo
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- JP4093158B2 JP4093158B2 JP2003325034A JP2003325034A JP4093158B2 JP 4093158 B2 JP4093158 B2 JP 4093158B2 JP 2003325034 A JP2003325034 A JP 2003325034A JP 2003325034 A JP2003325034 A JP 2003325034A JP 4093158 B2 JP4093158 B2 JP 4093158B2
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- 230000008929 regeneration Effects 0.000 title claims description 116
- 238000011069 regeneration method Methods 0.000 title claims description 116
- 238000000034 method Methods 0.000 description 25
- 239000000446 fuel Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- 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
- F02D41/029—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 particulate filter
-
- 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
- F02D41/1448—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 exhaust gas pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- 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)
- Analytical Chemistry (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
前記第1、第2のパティキュレート捕集量演算手段は、それぞれ第1、第2のパティキュレート捕集量マップに基いてパティキュレート捕集量を演算し、前記第1、第2のパティキュレート捕集量マップは、パティキュレート捕集量を前記フィルタの入口−出口差圧で割付けたものであって、パティキュレート捕集量とフィルタの入口−出口差圧とは線形関係であり、再生開始に伴い、前記第1のパティキュレート捕集量マップから第2のパティキュレート捕集量マップへ切換えた後、第2のパティキュレート捕集量マップによる推測値が、再生開始時の第1のパティキュレート捕集量マップによる推測値より小さくなるまでは、パティキュレート捕集量は再生開始時の第1のパティキュレート捕集量マップによる推測値に一時固定する。
ここで、式(1)について詳しく説明する。PMc2〜PMc3間では、前述したとおり実際のPM捕集量がPMfinal以下になっているにもかかわらず、マップ上では再生直前よりもPM捕集量が増加してしまうので、現在のPM捕集量PMcurrをマップから演算することができない。追加捕集中のPM捕集量も同様に演算不可能である。
12 差圧センサー
13 DPF入口温度センサー
14 DPF出口温度センサー
15 A/Fセンサー
16 コントロールユニット(ECU)
20 ディーゼルエンジン
Claims (3)
- ディーゼルエンジンの排気系に設けられ、排気ガス中のパティキュレートを捕集するフィルタと、
前記フィルタの入口−出口差圧を検出する圧力差測定手段と、
前記入口−出口差圧に基いて前記フィルタのパティキュレート捕集量を推測するパティキュレート捕集量推測手段と、
前記パティキュレート捕集量の推測値が所定値以上になったときにパティキュレートを燃焼させる再生手段と、を備えるディーゼルエンジンのフィルタ再生制御装置において、
前記パティキュレート捕集量推測手段は、再生がパティキュレート捕集量の全部を燃焼させる完全再生であった場合に使用する第1のパティキュレート捕集量演算手段と、
再生がパティキュレート捕集量の一部を燃焼させる部分再生であった場合に使用する第2のパティキュレート捕集量演算手段と、で構成され、
再生の状況に応じてこれら2つのパティキュレート捕集量演算手段を切換えながら前記パティキュレート捕集量を推測し、
前記第1、第2のパティキュレート捕集量演算手段は、それぞれ第1、第2のパティキュレート捕集量マップに基いてパティキュレート捕集量を演算し、前記第1、第2のパティキュレート捕集量マップは、パティキュレート捕集量を前記フィルタの入口−出口差圧で割付けたものであって、パティキュレート捕集量とフィルタの入口−出口差圧とは線形関係であり、
再生開始に伴い、前記第1のパティキュレート捕集量マップから第2のパティキュレート捕集量マップへ切換えた後、第2のパティキュレート捕集量マップによる推測値が、再生開始時の第1のパティキュレート捕集量マップによる推測値より小さくなるまでは、パティキュレート捕集量は再生開始時の第1のパティキュレート捕集量マップによる推測値に一時固定することを特徴とするディーゼルエンジンのフィルタ再生制御装置。 - 前記第1のパティキュレート捕集量マップは、パティキュレート捕集量が一定以上になるとパティキュレート捕集量と入口−出口差圧の関係が直線的になり、前記第2のパティキュレート捕集量マップは、前記第1のパティキュレート捕集量マップの直線部分と等しい傾きの直線である請求項1に記載のディーゼルエンジンのフィルタ再生制御装置。
- 第2のパティキュレート捕集量マップによる推測値が、再生開始時の第1のパティキュレート捕集量マップによる推測値よりも小さくなる前に再生が終了した場合には、再生終了時および追加捕集中のパティキュレート捕集量を第2のパティキュレート捕集量マップから推測して、これらの差分を第1のパティキュレート捕集量マップから推測される再生開始時のパティキュレート捕集量に加算したものをパティキュレート捕集量推測値とする請求項1または2に記載のディーゼルエンジンのフィルタ再生制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003325034A JP4093158B2 (ja) | 2003-09-17 | 2003-09-17 | ディーゼルエンジンのフィルタ再生制御装置 |
EP04020166.7A EP1517025B1 (en) | 2003-09-17 | 2004-08-25 | Diesel engine comprising particle filter and method of estimating amount of particles trapped in particle filter |
US10/934,387 US7171802B2 (en) | 2003-09-17 | 2004-09-07 | Diesel engine comprising DPM filter and method of estimating amount of DPM trapped in DPM filter |
CNB2004100797481A CN100351503C (zh) | 2003-09-17 | 2004-09-16 | 含dpm过滤器的柴油发动机,估算dpm过滤器捕集的dpm量的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003325034A JP4093158B2 (ja) | 2003-09-17 | 2003-09-17 | ディーゼルエンジンのフィルタ再生制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005090358A JP2005090358A (ja) | 2005-04-07 |
JP4093158B2 true JP4093158B2 (ja) | 2008-06-04 |
Family
ID=34191327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003325034A Expired - Lifetime JP4093158B2 (ja) | 2003-09-17 | 2003-09-17 | ディーゼルエンジンのフィルタ再生制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7171802B2 (ja) |
EP (1) | EP1517025B1 (ja) |
JP (1) | JP4093158B2 (ja) |
CN (1) | CN100351503C (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4440823B2 (ja) * | 2005-05-11 | 2010-03-24 | 本田技研工業株式会社 | 内燃機関の排気浄化装置 |
JP4534959B2 (ja) * | 2005-11-14 | 2010-09-01 | 株式会社デンソー | 内燃機関の排気浄化装置 |
JP4534969B2 (ja) * | 2005-11-25 | 2010-09-01 | 株式会社デンソー | 内燃機関用排気浄化装置 |
JP4600264B2 (ja) * | 2005-12-06 | 2010-12-15 | 株式会社デンソー | 内燃機関用排気浄化装置 |
JP4506978B2 (ja) * | 2005-12-19 | 2010-07-21 | 三菱自動車工業株式会社 | 排気浄化装置 |
US20080127636A1 (en) * | 2006-11-30 | 2008-06-05 | Dahlgren Daniel R | Integrated diesel particulate trap pressure sensor |
JP4100451B1 (ja) * | 2007-03-02 | 2008-06-11 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
KR100960234B1 (ko) | 2008-04-29 | 2010-06-01 | 쌍용자동차 주식회사 | 디젤차량의 매연여과장치 볼륨 최적화시스템 |
US20090319860A1 (en) * | 2008-06-23 | 2009-12-24 | Ramot At Tel Aviv University Ltd. | Overcoming ldpc trapping sets by decoder reset |
US8370711B2 (en) | 2008-06-23 | 2013-02-05 | Ramot At Tel Aviv University Ltd. | Interruption criteria for block decoding |
US20100212299A1 (en) * | 2009-02-25 | 2010-08-26 | Jacob George | Methods for determining when to regenerate exhaust gas particulate filters |
JP5088391B2 (ja) * | 2010-03-09 | 2012-12-05 | トヨタ自動車株式会社 | パティキュレートフィルタの故障判別装置 |
US8538661B2 (en) * | 2010-06-29 | 2013-09-17 | GM Global Technology Operations LLC | Exhaust treatment methods and systems |
CN102003259A (zh) * | 2010-10-14 | 2011-04-06 | 平原滤清器有限公司 | 一种柴油机微粒捕集器的再生控制器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3580606D1 (de) * | 1984-03-31 | 1991-01-03 | Mitsubishi Motors Corp | Regenerationssystem fuer eine diesel-partikel-oxydierungseinrichtung. |
JPS61123709A (ja) * | 1984-11-19 | 1986-06-11 | Nippon Soken Inc | 排気ガス微粒子浄化機能を有する内燃機関の制御装置 |
US4665690A (en) * | 1985-01-14 | 1987-05-19 | Mazda Motor Corporation | Exhaust gas cleaning system for vehicle |
US5195316A (en) * | 1989-12-27 | 1993-03-23 | Nissan Motor Co., Ltd. | Exhaust gas purifying device for an internal combustion engine |
JP3558022B2 (ja) * | 2000-01-11 | 2004-08-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6594989B1 (en) * | 2000-03-17 | 2003-07-22 | Ford Global Technologies, Llc | Method and apparatus for enhancing fuel economy of a lean burn internal combustion engine |
DE50000400D1 (de) * | 2000-11-03 | 2002-09-26 | Ford Global Tech Inc | Regelungsanordnung und Verfahren zur Unterbrechung der Regeneration eines Partikelfilters eines Dieselmotors |
JP2002227688A (ja) * | 2001-02-01 | 2002-08-14 | Nissan Motor Co Ltd | ディーゼルエンジンの排気浄化装置 |
JP2002256846A (ja) | 2001-02-28 | 2002-09-11 | Bosch Automotive Systems Corp | フィルタ制御装置 |
FR2828236B1 (fr) * | 2001-08-01 | 2003-09-26 | Renault | Procede de determination du chargement d'un filtre a particules |
JP4022723B2 (ja) * | 2002-01-11 | 2007-12-19 | 株式会社デンソー | 排気フィルタ再生装置及び方法 |
JP3937900B2 (ja) * | 2002-04-17 | 2007-06-27 | 日産自動車株式会社 | 排気微粒子捕集用フィルタの再生装置 |
-
2003
- 2003-09-17 JP JP2003325034A patent/JP4093158B2/ja not_active Expired - Lifetime
-
2004
- 2004-08-25 EP EP04020166.7A patent/EP1517025B1/en active Active
- 2004-09-07 US US10/934,387 patent/US7171802B2/en active Active
- 2004-09-16 CN CNB2004100797481A patent/CN100351503C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US7171802B2 (en) | 2007-02-06 |
EP1517025B1 (en) | 2017-07-19 |
CN100351503C (zh) | 2007-11-28 |
US20050055999A1 (en) | 2005-03-17 |
CN1598259A (zh) | 2005-03-23 |
JP2005090358A (ja) | 2005-04-07 |
EP1517025A2 (en) | 2005-03-23 |
EP1517025A3 (en) | 2009-05-20 |
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