JP4363331B2 - 燃料噴射システム - Google Patents
燃料噴射システム Download PDFInfo
- Publication number
- JP4363331B2 JP4363331B2 JP2005008878A JP2005008878A JP4363331B2 JP 4363331 B2 JP4363331 B2 JP 4363331B2 JP 2005008878 A JP2005008878 A JP 2005008878A JP 2005008878 A JP2005008878 A JP 2005008878A JP 4363331 B2 JP4363331 B2 JP 4363331B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection
- time
- engine
- valve
- 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
Links
- 238000002347 injection Methods 0.000 title claims description 170
- 239000007924 injection Substances 0.000 title claims description 170
- 239000000446 fuel Substances 0.000 title claims description 107
- 230000005489 elastic deformation Effects 0.000 description 21
- 239000007858 starting material Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000012937 correction Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
-
- 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
- F02D41/3809—Common rail control systems
-
- 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
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
-
- 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)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
なお、ディーゼルエンジン停止時のピストン位置等の条件によっては遅角側に制御することも可能である。
なお、このような燃料噴射弁9自体は従来用いられている燃料噴射弁と同様のものであり、ニードル弁12を駆動するアクチュエータもピエゾアクチュエータ11に限られず、他の形式のアクチュエータを備えた燃料噴射弁を用いることもできる。
2 ECU
3a ブレーキペダル
3b ブレーキスイッチ
4 車速センサ
6a 第一EDU
6b 第二EDU
7 スタータ
8 エンジン本体
9a 第一燃料噴射弁
9b 第二燃料噴射弁
9c 第三燃料噴射弁
9d 第四燃料噴射弁
10 コモンレール
Claims (3)
- 自動停止自動始動制御が行われるコモンレール式のディーゼルエンジンにおける燃料噴射システムであって、
前記ディーゼルエンジンの自動停止から自動再始動までの時間と、再始動時のコモンレール圧とに基づいており、かつ前記燃料噴射弁から燃料が噴射されない範囲内にある噴射指令時間を算出し、
前記ディーゼルエンジンの自動再始動時の第一回目燃料噴射以前に、前記噴射指令時間を擬似噴射時間とする擬似噴射指令を生成して前記燃料噴射弁を制御する制御部を有することを特徴とした燃料噴射システム。 - 自動停止自動始動制御が行われるコモンレール式のディーゼルエンジンにおける燃料噴射システムであって、
前記ディーゼルエンジンの自動停止から自動再始動までの時間と、再始動時のコモンレール圧とに基づいており、かつ前記燃料噴射弁から燃料が噴射されない範囲内にある余剰無効噴射期間を算出し、
前記ディーゼルエンジンの自動再始動時の第一回目燃料噴射の噴射指令時間を、第二回目燃料噴射以降の噴射指令時間より前記余剰無効噴射期間分長い噴射指令時間とする噴射指令を生成して前記燃料噴射弁を制御する制御部を有することを特徴とした燃料噴射システム。 - 請求項2記載の燃料噴射システムにおいて、
前記第一回目燃料噴射の噴射時期を余剰無効噴射期間分だけ進角したことを特徴とする燃料噴射システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005008878A JP4363331B2 (ja) | 2005-01-17 | 2005-01-17 | 燃料噴射システム |
DE602006006728T DE602006006728D1 (de) | 2005-01-17 | 2006-01-16 | Kraftstoffeinspritzsystem |
EP06000840A EP1681450B1 (en) | 2005-01-17 | 2006-01-16 | Fuel injection system |
ES06000840T ES2323798T3 (es) | 2005-01-17 | 2006-01-16 | Sistema de inyeccion de combustible. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005008878A JP4363331B2 (ja) | 2005-01-17 | 2005-01-17 | 燃料噴射システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006194214A JP2006194214A (ja) | 2006-07-27 |
JP4363331B2 true JP4363331B2 (ja) | 2009-11-11 |
Family
ID=36123136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005008878A Expired - Fee Related JP4363331B2 (ja) | 2005-01-17 | 2005-01-17 | 燃料噴射システム |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1681450B1 (ja) |
JP (1) | JP4363331B2 (ja) |
DE (1) | DE602006006728D1 (ja) |
ES (1) | ES2323798T3 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0922194D0 (en) * | 2009-12-21 | 2010-02-03 | Johnson Matthey Plc | Improvements in emission control |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3687414B2 (ja) | 1999-05-27 | 2005-08-24 | トヨタ自動車株式会社 | 内燃機関の自動停止・始動装置 |
DE19945670B4 (de) * | 1999-09-23 | 2006-01-12 | Siemens Ag | Verfahren zum Ansteuern eines kapazitiven Stellgliedes eines Kraftstoffeinspritzventils einer Brennkraftmaschine |
EP1138909B1 (en) * | 2000-04-01 | 2005-09-21 | Robert Bosch GmbH | Method and apparatus for controlling a fuel injection process |
DE10032022B4 (de) * | 2000-07-01 | 2009-12-24 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Ansteuerspannung für ein Einspritzentil mit einem piezoelektrischen Aktor |
JP2003041967A (ja) | 2001-07-26 | 2003-02-13 | Toyota Motor Corp | 内燃機関の自動停止制御装置 |
DE10228063A1 (de) * | 2002-06-17 | 2004-01-08 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
JP4161635B2 (ja) * | 2002-08-19 | 2008-10-08 | 株式会社デンソー | 燃料噴射制御装置 |
DE10249218A1 (de) * | 2002-10-22 | 2004-05-19 | Siemens Ag | Verfahren zum Aufladen eines piezoelektrischen Aktors eines Einpritzventils und Steuergerät |
DE10303573B4 (de) * | 2003-01-30 | 2011-02-24 | Robert Bosch Gmbh | Verfahren, Computerprogramm, Speichermedium und Steuer- und/oder Regelgerät zum Betreiben einer Brennkraftmaschine, sowie Brennkraftmaschine insbesondere für ein Kraftfahrzeug |
-
2005
- 2005-01-17 JP JP2005008878A patent/JP4363331B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-16 DE DE602006006728T patent/DE602006006728D1/de active Active
- 2006-01-16 ES ES06000840T patent/ES2323798T3/es active Active
- 2006-01-16 EP EP06000840A patent/EP1681450B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1681450A3 (en) | 2006-11-08 |
JP2006194214A (ja) | 2006-07-27 |
EP1681450B1 (en) | 2009-05-13 |
EP1681450A2 (en) | 2006-07-19 |
DE602006006728D1 (de) | 2009-06-25 |
ES2323798T3 (es) | 2009-07-24 |
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