JP4349344B2 - エンジンの制御装置 - Google Patents
エンジンの制御装置 Download PDFInfo
- Publication number
- JP4349344B2 JP4349344B2 JP2005241503A JP2005241503A JP4349344B2 JP 4349344 B2 JP4349344 B2 JP 4349344B2 JP 2005241503 A JP2005241503 A JP 2005241503A JP 2005241503 A JP2005241503 A JP 2005241503A JP 4349344 B2 JP4349344 B2 JP 4349344B2
- Authority
- JP
- Japan
- Prior art keywords
- injector
- cylinder
- region
- fuel
- injection
- 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.)
- Expired - Fee Related
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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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
-
- 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
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/1482—Integrator, i.e. variable slope
-
- 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
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/1483—Proportional component
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
- F02D41/2445—Methods of calibrating or learning characterised by the learning conditions characterised by a plurality of learning conditions or ranges
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2454—Learning of the air-fuel ratio control
-
- 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
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
- F02D41/3029—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode further comprising a homogeneous charge spark-ignited mode
-
- 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
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
-
- 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
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
- F02D41/345—Controlling injection timing
-
- 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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
Qt=Q0×K1×K2 ・・・ (1)
Qd=α×Q0×K1×K2 ・・・ (2)
Qp=(1−α)×Q0×K1×K2 ・・・ (3)
ΔQ+=Q0×K1×K2−Q0×K1×1
=Q0×K1×(K2−1) ・・・ (1)’(但しここではK2>1)
Qd=α×Q0×K1×1 ・・・ (2)’
Qp=(1−α)×Q0×K1×1+Q0×K1×(K2−1) ・・・ (3)’
Qd=α×Q0×K1×1+Q0×K1×(K2−1)×(1−β)・・・(2)”
Qp=(1−α)×Q0×K1×1+Q0×K1×(K2−1)×β・・・(3)”
ここでβ=1とすると本実施形態の場合となる。
ΔQ−=Q0×K1×1−Q0×K1×K2
=Q0×K1×(1−K2) ・・・ (1)”(但しここではK2<1)
Qd=α×Q0×K1×1−Q0×K1×(1−K2)×β・・・(2)'''
Qp=(1−α)×Q0×K1×1−Q0×K1×(1−K2)×(1−β)
・・・(3)'''
これら(2)'''、(3)'''式においてβ=1とすれば本実施形態となる。
K1lp=1+((K1ip−1)/n) ・・・(4)
K1mp=1+((K1ip−1)/2n) ・・・(5)
ここで、nは補間定数で、2以上の整数、好ましくは4〜8程度の整数である。
6 吸気通路噴射用インジェクタ
11 筒内噴射用インジェクタ
30 空燃比センサ
100 電子制御ユニット(ECU)
α 分担率
A/F 空燃比
K1 補正係数
K2 補正係数
Claims (5)
- 吸気通路噴射を実行するための吸気通路噴射用インジェクタと、筒内噴射を実行するための筒内噴射用インジェクタとを備えたエンジンの制御装置において、
空燃比を所定の目標空燃比に近づけるように燃料噴射量を増減補正する補正手段と、
該補正手段による補正実行時に、燃料噴射量の増量分又は減量分のうち、多い割合を前記両インジェクタの一方に負担させ、少ない割合を前記両インジェクタの他方に負担させると共に、その多い割合を負担させるインジェクタをエンジン運転状態に応じて切り替える切替手段と
を備え、
前記切替手段は、エンジン運転状態が所定の噴き分け領域にあるときに前記インジェクタの切り替えを実行すると共に、エンジン運転状態が、筒内混合気の均質性が要求されるような領域にあるとき、増量補正時には前記多い割合を負担させるインジェクタを前記吸気通路噴射用インジェクタとし、減量補正時には前記多い割合を負担させるインジェクタを前記筒内噴射用インジェクタとすることを特徴とするエンジンの制御装置。 - 前記切替手段は、エンジン運転状態が、前記筒内噴射用インジェクタの先端温度の抑制が要求されるような領域にあるとき、増量補正時には前記多い割合を負担させるインジェクタを前記筒内噴射用インジェクタとし、減量補正時には前記多い割合を負担させるインジェクタを前記吸気通路噴射用インジェクタとすることを特徴とする請求項1記載のエンジンの制御装置。
- エンジンの低負荷側の定常運転時に各気筒の空燃比が所定の目標空燃比に一致するように各気筒の吸気通路噴射用インジェクタ又は筒内噴射用インジェクタの燃料噴射量を変化させ、その一致したときの各気筒の所定の補正係数をそれぞれ学習する学習手段を備えたことを特徴とする請求項1又は2記載のエンジンの制御装置。
- 前記学習手段は、エンジンのアイドル運転時に前記補正係数の学習を実行し、これによって得られた各気筒の補正係数の学習値をアイドル域の補正係数とすると共に、このアイドル域の補正係数と、高負荷域における所定の補正係数とに基づき、アイドル域と高負荷域との間の負荷領域における補正係数を補間演算することを特徴とする請求項3記載のエンジンの制御装置。
- 前記学習手段は、前記筒内噴射用インジェクタのための前記補正係数の学習に際し、複数の燃料圧のそれぞれに対し前記学習を実行することを特徴とする請求項3又は4記載のエンジンの制御装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005241503A JP4349344B2 (ja) | 2005-08-23 | 2005-08-23 | エンジンの制御装置 |
DE602006017561T DE602006017561D1 (de) | 2005-08-23 | 2006-08-22 | Motorsteuerungsvorrichtung |
CN2006800305183A CN101243250B (zh) | 2005-08-23 | 2006-08-22 | 发动机控制设备 |
PCT/IB2006/002281 WO2007023357A2 (en) | 2005-08-23 | 2006-08-22 | Engine control apparatus |
US11/990,521 US7620488B2 (en) | 2005-08-23 | 2006-08-22 | Engine control apparatus |
EP06795306A EP1917432B1 (en) | 2005-08-23 | 2006-08-22 | Engine control apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005241503A JP4349344B2 (ja) | 2005-08-23 | 2005-08-23 | エンジンの制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007056730A JP2007056730A (ja) | 2007-03-08 |
JP4349344B2 true JP4349344B2 (ja) | 2009-10-21 |
Family
ID=37575143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005241503A Expired - Fee Related JP4349344B2 (ja) | 2005-08-23 | 2005-08-23 | エンジンの制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7620488B2 (ja) |
EP (1) | EP1917432B1 (ja) |
JP (1) | JP4349344B2 (ja) |
CN (1) | CN101243250B (ja) |
DE (1) | DE602006017561D1 (ja) |
WO (1) | WO2007023357A2 (ja) |
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JP5071300B2 (ja) * | 2008-08-12 | 2012-11-14 | トヨタ自動車株式会社 | 燃料噴射制御装置 |
JP5130254B2 (ja) * | 2009-05-12 | 2013-01-30 | 株式会社ケーヒン | 内燃機関の制御装置 |
DE102009031583B4 (de) * | 2009-07-03 | 2020-01-30 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Adaptieren einer Vorrichtung zum Einbringen von Kraftstoff in einen Brennraum eines Verbrennungsmotors, Vorrichtung zum Einbringen von Kraftstoff in einen Brennraum eines Verbrennungsmotors sowie Kraftfahrzeug mit einer solchen Vorrichtung |
US9188072B2 (en) * | 2010-09-24 | 2015-11-17 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio control apparatus for an internal combustion engine |
DE102011003687A1 (de) | 2011-02-07 | 2012-08-09 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur dynamischen Vorsteuerung eines Kraftstoff-Luft-Gemisches für einen Verbrennungsmotor |
JP2012202209A (ja) * | 2011-03-23 | 2012-10-22 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP5723201B2 (ja) * | 2011-04-18 | 2015-05-27 | 川崎重工業株式会社 | 燃料噴射制御装置 |
JP6013722B2 (ja) * | 2011-11-18 | 2016-10-25 | 三菱自動車工業株式会社 | 内燃機関の制御装置 |
JP5585600B2 (ja) | 2012-03-02 | 2014-09-10 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
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JP6011714B2 (ja) * | 2013-03-21 | 2016-10-19 | 日産自動車株式会社 | 内燃機関の制御装置および制御方法 |
JP6111899B2 (ja) * | 2013-06-28 | 2017-04-12 | 三菱自動車工業株式会社 | エンジンの制御装置 |
JP6274401B2 (ja) * | 2013-12-13 | 2018-02-07 | 三菱自動車工業株式会社 | エンジンの燃料噴射制御装置 |
US10190509B2 (en) | 2013-12-23 | 2019-01-29 | Ge Global Sourcing Llc | System and method for controlling a dual fuel engine |
JP6507824B2 (ja) * | 2015-04-27 | 2019-05-08 | 三菱自動車工業株式会社 | エンジンの制御装置 |
US9995238B2 (en) * | 2015-06-11 | 2018-06-12 | Ford Global Technologies, Llc | Methods and system for transitioning between fuel injection windows |
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-
2005
- 2005-08-23 JP JP2005241503A patent/JP4349344B2/ja not_active Expired - Fee Related
-
2006
- 2006-08-22 DE DE602006017561T patent/DE602006017561D1/de active Active
- 2006-08-22 US US11/990,521 patent/US7620488B2/en not_active Expired - Fee Related
- 2006-08-22 EP EP06795306A patent/EP1917432B1/en not_active Ceased
- 2006-08-22 CN CN2006800305183A patent/CN101243250B/zh not_active Expired - Fee Related
- 2006-08-22 WO PCT/IB2006/002281 patent/WO2007023357A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN101243250A (zh) | 2008-08-13 |
EP1917432A2 (en) | 2008-05-07 |
WO2007023357A2 (en) | 2007-03-01 |
EP1917432B1 (en) | 2010-10-13 |
US20090099753A1 (en) | 2009-04-16 |
CN101243250B (zh) | 2010-08-18 |
US7620488B2 (en) | 2009-11-17 |
WO2007023357A3 (en) | 2007-06-21 |
JP2007056730A (ja) | 2007-03-08 |
DE602006017561D1 (de) | 2010-11-25 |
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