JP2013096400A - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
- Publication number
- JP2013096400A JP2013096400A JP2011243368A JP2011243368A JP2013096400A JP 2013096400 A JP2013096400 A JP 2013096400A JP 2011243368 A JP2011243368 A JP 2011243368A JP 2011243368 A JP2011243368 A JP 2011243368A JP 2013096400 A JP2013096400 A JP 2013096400A
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- combustion chamber
- fuel
- specific
- Prior art date
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 224
- 239000000446 fuel Substances 0.000 claims abstract description 512
- 239000003054 catalyst Substances 0.000 claims abstract description 77
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 99
- 239000007924 injection Substances 0.000 description 99
- 239000007789 gas Substances 0.000 description 57
- 230000000694 effects Effects 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
Images
Classifications
-
- 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
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
-
- 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
- F02D41/008—Controlling each cylinder individually
-
- 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
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
【解決手段】複数の燃焼室を具備する内燃機関であって、これら燃焼室のうち、少なくとも1つの燃焼室である特定燃焼室に形成される混合気の空燃比に基づいて内燃機関の平均空燃比が目標空燃比に一致するように特定燃焼室以外の残りの燃焼室である非特定燃焼室に形成される混合気の空燃比を制御する個別空燃比制御を実行可能な内燃機関の制御装置に関する。本発明では、内燃機関が排気ガスを浄化する触媒をさらに具備し、触媒温度上昇制御が実行されているときには、個別空燃比制御の実行が禁止される。
【選択図】図3
Description
Qtr=Qb×Kaf …(3)
Qtr=Qb×Kaf …(5)
Claims (3)
- 複数の燃焼室を具備する内燃機関であって、これら燃焼室のうち、少なくとも1つの燃焼室である特定燃焼室に形成される混合気の空燃比に基づいて当該内燃機関の平均空燃比が目標空燃比に一致するように前記特定燃焼室以外の残りの燃焼室である非特定燃焼室に形成される混合気の空燃比を制御する個別空燃比制御を実行可能な内燃機関の制御装置において、前記内燃機関が排気ガスを浄化する触媒をさらに具備し、該触媒の温度を上昇させる触媒温度上昇制御が実行されているときには、前記個別空燃比制御の実行を禁止する内燃機関の制御装置。
- 前記燃焼室の全てに共通する1つの排気通路と、該排気通路内の排気ガスの空燃比を検出する1つの空燃比検出手段と、をさらに具備する請求項1に記載の内燃機関の制御装置において、各燃焼室から排出される排気ガスのうち、前記空燃比検出手段による空燃比の検出感度が最も高い排気ガスである最高感度排気ガスを排出する燃焼室が前記特定燃焼室として採用され、前記個別空燃比制御における前記特定燃焼室に形成される混合気の空燃比として前記空燃比検出手段によって検出される前記特定燃焼室から排出される排気ガスの空燃比が採用される内燃機関の制御装置。
- 各燃焼室に燃料をそれぞれ供給する複数の燃料供給手段をさらに具備する請求項1または請求項2に記載の内燃機関の制御装置において、前記燃料供給手段から前記非特定燃焼室に供給される燃料の量を制御することによって前記非特定燃焼室に形成される混合気の空燃比が制御される内燃機関の制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011243368A JP5790419B2 (ja) | 2011-11-07 | 2011-11-07 | 内燃機関の制御装置 |
US13/670,059 US9032942B2 (en) | 2011-11-07 | 2012-11-06 | Control apparatus and control method for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011243368A JP5790419B2 (ja) | 2011-11-07 | 2011-11-07 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013096400A true JP2013096400A (ja) | 2013-05-20 |
JP5790419B2 JP5790419B2 (ja) | 2015-10-07 |
Family
ID=48224273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011243368A Expired - Fee Related JP5790419B2 (ja) | 2011-11-07 | 2011-11-07 | 内燃機関の制御装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9032942B2 (ja) |
JP (1) | JP5790419B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102667116A (zh) * | 2009-10-23 | 2012-09-12 | 丰田自动车株式会社 | 内燃机的空燃比控制装置 |
JP6965614B2 (ja) * | 2017-07-21 | 2021-11-10 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6911678B2 (ja) * | 2017-09-27 | 2021-07-28 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN108644024B (zh) * | 2018-04-27 | 2020-08-21 | 安徽江淮汽车集团股份有限公司 | 一种柴油机egr阀的控制方法 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63154835A (ja) * | 1986-12-19 | 1988-06-28 | Japan Electronic Control Syst Co Ltd | 多気筒内燃機関の電子制御燃料噴射装置 |
JPH0357859A (ja) * | 1989-07-25 | 1991-03-13 | Nissan Motor Co Ltd | 内燃機関の空燃比制御装置 |
JPH07301140A (ja) * | 1994-05-09 | 1995-11-14 | Unisia Jecs Corp | 内燃機関の空燃比制御装置 |
JPH0988679A (ja) * | 1995-09-22 | 1997-03-31 | Sanshin Ind Co Ltd | エンジンの燃焼制御装置 |
JPH0988678A (ja) * | 1995-09-20 | 1997-03-31 | Sanshin Ind Co Ltd | エンジンの燃焼制御装置 |
JPH1122600A (ja) * | 1997-07-01 | 1999-01-26 | Mitsubishi Electric Corp | 内燃機関の吸気構造及び排気構造 |
JPH11303664A (ja) * | 1998-04-21 | 1999-11-02 | Toyota Motor Corp | 多気筒内燃機関の空燃比制御装置 |
JP2002047995A (ja) * | 2000-08-03 | 2002-02-15 | Hitachi Ltd | 内燃機関の空燃比制御装置 |
JP2004218541A (ja) * | 2003-01-15 | 2004-08-05 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2004225559A (ja) * | 2003-01-20 | 2004-08-12 | Toyota Motor Corp | 燃料噴射制御装置 |
JP2006307739A (ja) * | 2005-04-28 | 2006-11-09 | Denso Corp | 筒内噴射式内燃機関の制御装置 |
JP2007016730A (ja) * | 2005-07-08 | 2007-01-25 | Toyota Motor Corp | 内燃機関の制御装置 |
EP1749987A2 (en) * | 2005-08-05 | 2007-02-07 | Yamaha Hatsudoki Kabushiki Kaisha | Exhaust system, and engine device and vehicle with the same |
JP2008297933A (ja) * | 2007-05-30 | 2008-12-11 | Denso Corp | 燃料噴射量制御装置及び燃料噴射量制御システム |
JP2009002210A (ja) * | 2007-06-20 | 2009-01-08 | Toyota Motor Corp | 内燃機関の噴射制御装置 |
Family Cites Families (14)
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---|---|---|---|---|
JP3729295B2 (ja) * | 1996-08-29 | 2005-12-21 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
JPH11257145A (ja) | 1998-03-13 | 1999-09-21 | Honda Motor Co Ltd | 排気浄化装置の温度推定装置 |
US6244043B1 (en) * | 1999-05-19 | 2001-06-12 | Ford Global Technologies, Inc. | Emission control device air/fuel ratio control system |
DE10005954A1 (de) * | 2000-02-09 | 2001-08-16 | Bosch Gmbh Robert | Entschwefelung eines Speicherkatalysators durch Aufheizen |
US6595187B1 (en) * | 2000-10-12 | 2003-07-22 | Ford Global Technologies, Llc | Control method for internal combustion engine |
US6691507B1 (en) * | 2000-10-16 | 2004-02-17 | Ford Global Technologies, Llc | Closed-loop temperature control for an emission control device |
JP2002266682A (ja) | 2001-03-13 | 2002-09-18 | Toyota Motor Corp | 多気筒内燃機関の空燃比制御装置 |
JP2005016328A (ja) * | 2003-06-24 | 2005-01-20 | Toyota Motor Corp | 複数の気筒を備える内燃機関の制御装置 |
JP4364777B2 (ja) * | 2004-12-02 | 2009-11-18 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
US7356985B2 (en) * | 2005-07-19 | 2008-04-15 | Denso Corporation | Air-fuel ratio controller for internal combustion engine |
US7774130B2 (en) * | 2005-12-07 | 2010-08-10 | Gary Thomas Pepper | Methods and system for determining consumption and fuel efficiency in vehicles |
US7707822B2 (en) * | 2006-08-08 | 2010-05-04 | Denso Corporation | Cylinder air-fuel ratio controller for internal combustion engine |
WO2009013600A2 (en) * | 2007-07-24 | 2009-01-29 | Toyota Jidosha Kabushiki Kaisha | Apparatus and method for detecting abnormalair-fuel ratio variation among cylinders of multi-cylinder internal combustion engine |
DE112011104759B4 (de) * | 2011-01-24 | 2014-08-28 | Toyota Jidosha Kabushiki Kaisha | Steuerungsvorrichtung für eine Verbrennungskraftmaschine |
-
2011
- 2011-11-07 JP JP2011243368A patent/JP5790419B2/ja not_active Expired - Fee Related
-
2012
- 2012-11-06 US US13/670,059 patent/US9032942B2/en not_active Expired - Fee Related
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63154835A (ja) * | 1986-12-19 | 1988-06-28 | Japan Electronic Control Syst Co Ltd | 多気筒内燃機関の電子制御燃料噴射装置 |
JPH0357859A (ja) * | 1989-07-25 | 1991-03-13 | Nissan Motor Co Ltd | 内燃機関の空燃比制御装置 |
JPH07301140A (ja) * | 1994-05-09 | 1995-11-14 | Unisia Jecs Corp | 内燃機関の空燃比制御装置 |
JPH0988678A (ja) * | 1995-09-20 | 1997-03-31 | Sanshin Ind Co Ltd | エンジンの燃焼制御装置 |
US5941223A (en) * | 1995-09-20 | 1999-08-24 | Sanshin Kogyo Kabushiki Kaisha | Engine control system and method |
JPH0988679A (ja) * | 1995-09-22 | 1997-03-31 | Sanshin Ind Co Ltd | エンジンの燃焼制御装置 |
US5727536A (en) * | 1995-09-22 | 1998-03-17 | Sanshin Kogyo Kabushiki Kaisha | Engine control system and method |
JPH1122600A (ja) * | 1997-07-01 | 1999-01-26 | Mitsubishi Electric Corp | 内燃機関の吸気構造及び排気構造 |
JPH11303664A (ja) * | 1998-04-21 | 1999-11-02 | Toyota Motor Corp | 多気筒内燃機関の空燃比制御装置 |
JP2002047995A (ja) * | 2000-08-03 | 2002-02-15 | Hitachi Ltd | 内燃機関の空燃比制御装置 |
JP2004218541A (ja) * | 2003-01-15 | 2004-08-05 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2004225559A (ja) * | 2003-01-20 | 2004-08-12 | Toyota Motor Corp | 燃料噴射制御装置 |
JP2006307739A (ja) * | 2005-04-28 | 2006-11-09 | Denso Corp | 筒内噴射式内燃機関の制御装置 |
JP2007016730A (ja) * | 2005-07-08 | 2007-01-25 | Toyota Motor Corp | 内燃機関の制御装置 |
EP1749987A2 (en) * | 2005-08-05 | 2007-02-07 | Yamaha Hatsudoki Kabushiki Kaisha | Exhaust system, and engine device and vehicle with the same |
JP2007046463A (ja) * | 2005-08-05 | 2007-02-22 | Yamaha Motor Co Ltd | 排気システムならびにそれを備えるエンジン装置および車両 |
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JP2009002210A (ja) * | 2007-06-20 | 2009-01-08 | Toyota Motor Corp | 内燃機関の噴射制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US9032942B2 (en) | 2015-05-19 |
US20130116911A1 (en) | 2013-05-09 |
JP5790419B2 (ja) | 2015-10-07 |
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