JP2015113816A - エンジンの燃料噴射制御装置 - Google Patents
エンジンの燃料噴射制御装置 Download PDFInfo
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- JP2015113816A JP2015113816A JP2013258636A JP2013258636A JP2015113816A JP 2015113816 A JP2015113816 A JP 2015113816A JP 2013258636 A JP2013258636 A JP 2013258636A JP 2013258636 A JP2013258636 A JP 2013258636A JP 2015113816 A JP2015113816 A JP 2015113816A
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- Prior art keywords
- fuel injection
- injection valve
- fuel
- learning
- engine
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- 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
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D41/1402—Adaptive 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
- F02D41/02—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
-
- 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
- F02D41/2464—Characteristics of actuators
- F02D41/2467—Characteristics of actuators for injectors
-
- 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
- F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
- F02D41/248—Methods of calibrating or learning characterised by the method used for learning using a plurality of learned values
-
- 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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
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
Description
まずは本発明の一実施形態に係るエンジン10の全体構成の一例について説明する。
ものではない。本発明は、その趣旨を逸脱しない範囲で適宜変更が可能なものである。
11 エンジン本体
12 シリンダヘッド
13 シリンダブロック
14 ピストン
15 コンロッド
16 クランクシャフト
17 燃焼室
18 吸気ポート
19 吸気マニホールド
20 吸気管
22 吸気温センサ
23 吸気弁
24 排気ポート
25 排気マニホールド
26 排気管
27 排気弁
28 第1の燃料噴射弁
29 第2の燃料噴射弁
30 点火プラグ
31 ターボチャージャ
31a タービン
31b コンプレッサ
31c タービン軸
32 インタークーラ
33 スロットルバルブ
34 排気バイパス通路
35 ウエストゲートバルブ
35a 弁体
36 三元触媒
37 O2センサ
38 リニア空燃比センサ(排気空燃比検出手段)
41 運転状態検出手段
42 燃料噴射制御手段
43 フィードバック補正値設定手段
44 学習制御手段
45 スロットルポジションセンサ
46 クランク角センサ
Claims (3)
- エンジンの吸気路に燃料を噴射する第1の燃料噴射弁と、
前記エンジンの燃焼室に燃料を噴射する第2の燃料噴射弁と、
前記エンジンの運転状態に応じて前記第1の燃料噴射弁及び前記第2の燃料噴射弁から噴射される燃料の噴射量を制御する燃料噴射制御手段と、
前記エンジンの排気空燃比を検出する空燃比検出手段と、
前記空燃比検出手段の検出結果に基づいたフィードバック制御によりフィードバック補正値を設定するフィードバック補正値設定手段と、
前記フィードバック補正値に基づいて前記第1の燃料噴射弁及び前記第2の燃料噴射弁の噴射量のずれ量を学習する学習制御を実行して学習値を設定する学習制御手段と、
を有し、
前記燃料噴射制御手段は、前記フィードバック補正値及び前記学習値に基づいて、前記排気空燃比が目標空燃比となるように前記第1の燃料噴射弁及び第2の燃料噴射弁の燃料噴射量を制御し、
前記学習制御手段は、前記第1の燃料噴射弁及び前記第2の燃料噴射弁のそれぞれから燃料を噴射する前記エンジンの運転領域で前記第1の燃料噴射弁又は前記第2の燃料噴射弁の何れか一方について前記学習制御を実行し、且つその際の前記学習値の変化率を、前記第1の燃料噴射弁と前記第2の燃料噴射弁との噴射比率に応じて変更することを特徴とするエンジンの燃料噴射制御装置。 - 請求項1に記載のエンジンの燃料噴射制御装置において、
前記学習制御手段は、前記一方の燃料噴射弁の噴射比率が低い程、前記学習値の変化率を大きくすることを特徴とするエンジンの燃料噴射制御装置。 - 請求項1又は2に記載のエンジンの燃料噴射制御装置において、
前記学習制御手段は、前記一方の燃料噴射弁についての前記学習制御を実行する前に、当該一方の燃料噴射弁からの燃料噴射のない運転領域で、他方の燃料噴射弁についての前記学習制御を実行することを特徴とするエンジンの燃料噴射制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013258636A JP6274401B2 (ja) | 2013-12-13 | 2013-12-13 | エンジンの燃料噴射制御装置 |
EP14195239.0A EP2884085B1 (en) | 2013-12-13 | 2014-11-27 | Fuel injection control apparatus of engine |
US14/558,914 US9650985B2 (en) | 2013-12-13 | 2014-12-03 | Fuel injection control apparatus of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013258636A JP6274401B2 (ja) | 2013-12-13 | 2013-12-13 | エンジンの燃料噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015113816A true JP2015113816A (ja) | 2015-06-22 |
JP6274401B2 JP6274401B2 (ja) | 2018-02-07 |
Family
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JP2013258636A Active JP6274401B2 (ja) | 2013-12-13 | 2013-12-13 | エンジンの燃料噴射制御装置 |
Country Status (3)
Country | Link |
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US (1) | US9650985B2 (ja) |
EP (1) | EP2884085B1 (ja) |
JP (1) | JP6274401B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018009478A (ja) * | 2016-07-12 | 2018-01-18 | トヨタ自動車株式会社 | エンジンの燃料噴射制御装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10914264B2 (en) * | 2016-06-23 | 2021-02-09 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio control apparatus and method for internal combustion engine |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005048730A (ja) * | 2003-07-31 | 2005-02-24 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2006258037A (ja) * | 2005-03-18 | 2006-09-28 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2007056730A (ja) * | 2005-08-23 | 2007-03-08 | Toyota Motor Corp | エンジンの制御装置 |
JP2009162139A (ja) * | 2008-01-08 | 2009-07-23 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2009287532A (ja) * | 2008-05-30 | 2009-12-10 | Denso Corp | 内燃機関の燃料噴射制御装置 |
JP2010196558A (ja) * | 2009-02-24 | 2010-09-09 | Toyota Motor Corp | 空燃比制御装置 |
JP4752636B2 (ja) * | 2006-06-15 | 2011-08-17 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
WO2012014328A1 (ja) * | 2010-07-27 | 2012-02-02 | トヨタ自動車株式会社 | 内燃機関の燃料噴射量制御装置 |
JP2012117472A (ja) * | 2010-12-02 | 2012-06-21 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2013151942A (ja) * | 2013-04-05 | 2013-08-08 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH03185242A (ja) * | 1989-12-14 | 1991-08-13 | Toyota Motor Corp | 内燃機関の燃料噴射制御装置 |
JP2005214015A (ja) * | 2004-01-27 | 2005-08-11 | Toyota Motor Corp | 内燃機関の燃料噴射制御装置 |
JP4407551B2 (ja) * | 2005-03-18 | 2010-02-03 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
-
2013
- 2013-12-13 JP JP2013258636A patent/JP6274401B2/ja active Active
-
2014
- 2014-11-27 EP EP14195239.0A patent/EP2884085B1/en active Active
- 2014-12-03 US US14/558,914 patent/US9650985B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005048730A (ja) * | 2003-07-31 | 2005-02-24 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2006258037A (ja) * | 2005-03-18 | 2006-09-28 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2007056730A (ja) * | 2005-08-23 | 2007-03-08 | Toyota Motor Corp | エンジンの制御装置 |
JP4752636B2 (ja) * | 2006-06-15 | 2011-08-17 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2009162139A (ja) * | 2008-01-08 | 2009-07-23 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2009287532A (ja) * | 2008-05-30 | 2009-12-10 | Denso Corp | 内燃機関の燃料噴射制御装置 |
JP2010196558A (ja) * | 2009-02-24 | 2010-09-09 | Toyota Motor Corp | 空燃比制御装置 |
WO2012014328A1 (ja) * | 2010-07-27 | 2012-02-02 | トヨタ自動車株式会社 | 内燃機関の燃料噴射量制御装置 |
JP2012117472A (ja) * | 2010-12-02 | 2012-06-21 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2013151942A (ja) * | 2013-04-05 | 2013-08-08 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018009478A (ja) * | 2016-07-12 | 2018-01-18 | トヨタ自動車株式会社 | エンジンの燃料噴射制御装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2884085A3 (en) | 2015-09-30 |
US20150167580A1 (en) | 2015-06-18 |
JP6274401B2 (ja) | 2018-02-07 |
EP2884085A2 (en) | 2015-06-17 |
US9650985B2 (en) | 2017-05-16 |
EP2884085B1 (en) | 2018-09-12 |
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