JP5732443B2 - 燃料噴射制御装置 - Google Patents
燃料噴射制御装置 Download PDFInfo
- Publication number
- JP5732443B2 JP5732443B2 JP2012204779A JP2012204779A JP5732443B2 JP 5732443 B2 JP5732443 B2 JP 5732443B2 JP 2012204779 A JP2012204779 A JP 2012204779A JP 2012204779 A JP2012204779 A JP 2012204779A JP 5732443 B2 JP5732443 B2 JP 5732443B2
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- Prior art keywords
- learning
- amount
- nozzle
- heat
- fuel injection
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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
- F02D41/24—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
- F02D35/026—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures using an estimation
-
- 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
- F02D41/24—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
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- 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)
Description
Claims (3)
- 燃料噴射弁のノズルよりエンジンの燃焼室内に微少量の燃料を噴射して、前記燃料噴射弁の噴射量の学習を行う燃料噴射制御装置において、
前記ノズルの被熱温度を検知する被熱温度検知手段と、
前記被熱温度検知手段により検知された前記ノズルの被熱温度と前記エンジンの運転時間とに基づいて、前記ノズルの被熱量を求める被熱量取得手段と、
前記被熱量取得手段により求められた前記ノズルの被熱量に応じて、前記噴射量の学習を行うインターバルを変更する学習インターバル変更手段と、
前記燃料噴射弁の慣らし期間中であるかどうかを判断する判断手段とを備え、
前記被熱温度検知手段は、前記エンジンの回転数を検出する手段と、前記エンジンの回転数と前記燃料噴射弁の噴射量とに基づいて、前記ノズルの被熱温度を求める手段とを有し、
前記学習インターバル変更手段は、前記判断手段により前記燃料噴射弁の慣らし期間中であると判断されたときに、前記ノズルの被熱量が多くなるほど、前記噴射量の学習を行うインターバルを長くなるように設定することを特徴とする燃料噴射制御装置。 - 前記被熱量取得手段により求められた前記ノズルの被熱量に応じて、前記微少量の燃料を噴射する回数を変更する学習時噴射回数変更手段を更に備えることを特徴とする請求項1記載の燃料噴射制御装置。
- 前記学習時噴射回数変更手段は、前記判断手段により前記燃料噴射弁の慣らし期間中であると判断されたときに、前記ノズルの被熱量に応じて、前記微少量の燃料を噴射する回数を変更することを特徴とする請求項2記載の燃料噴射制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012204779A JP5732443B2 (ja) | 2012-09-18 | 2012-09-18 | 燃料噴射制御装置 |
EP20130172222 EP2708727B1 (en) | 2012-09-18 | 2013-06-17 | Fuel injection control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012204779A JP5732443B2 (ja) | 2012-09-18 | 2012-09-18 | 燃料噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014058916A JP2014058916A (ja) | 2014-04-03 |
JP5732443B2 true JP5732443B2 (ja) | 2015-06-10 |
Family
ID=48625903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012204779A Active JP5732443B2 (ja) | 2012-09-18 | 2012-09-18 | 燃料噴射制御装置 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2708727B1 (ja) |
JP (1) | JP5732443B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6204878B2 (ja) * | 2014-06-23 | 2017-09-27 | 株式会社豊田自動織機 | 内燃機関 |
JP6392722B2 (ja) * | 2015-09-29 | 2018-09-19 | 株式会社豊田自動織機 | 内燃機関の燃料噴射制御装置及び内燃機関の燃料噴射量学習方法 |
JP6801487B2 (ja) * | 2017-02-10 | 2020-12-16 | 株式会社豊田自動織機 | 燃料噴射装置 |
WO2019163477A1 (ja) * | 2018-02-26 | 2019-08-29 | 日立オートモティブシステムズ株式会社 | 燃料噴射制御装置、燃料噴射制御方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001098985A (ja) * | 1999-09-30 | 2001-04-10 | Mazda Motor Corp | 火花点火式直噴エンジンの燃料制御装置及び燃料制御方法 |
JP4089244B2 (ja) * | 2002-03-01 | 2008-05-28 | 株式会社デンソー | 内燃機関用噴射量制御装置 |
JP4319583B2 (ja) * | 2004-05-17 | 2009-08-26 | 三菱電機株式会社 | 内燃機関の制御装置 |
JP4428339B2 (ja) * | 2005-12-06 | 2010-03-10 | トヨタ自動車株式会社 | 動力出力装置、それを搭載した自動車及び動力出力装置の制御方法 |
JP2007239686A (ja) * | 2006-03-10 | 2007-09-20 | Toyota Motor Corp | 内燃機関の制御装置 |
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 |
JP2009002229A (ja) * | 2007-06-21 | 2009-01-08 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2009024500A (ja) * | 2007-07-17 | 2009-02-05 | Toyota Motor Corp | 内燃機関の噴射量学習装置 |
JP4509171B2 (ja) * | 2007-11-22 | 2010-07-21 | 株式会社デンソー | 内燃機関用噴射量制御装置 |
JP4605264B2 (ja) * | 2008-07-16 | 2011-01-05 | トヨタ自動車株式会社 | 内燃機関の噴射量制御装置およびパワーユニットの制御システム |
JP2010261334A (ja) * | 2009-04-30 | 2010-11-18 | Denso Corp | 燃料噴射制御装置 |
JP2012021455A (ja) * | 2010-07-14 | 2012-02-02 | Denso Corp | 内燃機関の制御装置 |
-
2012
- 2012-09-18 JP JP2012204779A patent/JP5732443B2/ja active Active
-
2013
- 2013-06-17 EP EP20130172222 patent/EP2708727B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2708727B1 (en) | 2015-04-15 |
JP2014058916A (ja) | 2014-04-03 |
EP2708727A1 (en) | 2014-03-19 |
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