JP4861921B2 - 燃料噴射量補正機能付エンジン - Google Patents
燃料噴射量補正機能付エンジン Download PDFInfo
- Publication number
- JP4861921B2 JP4861921B2 JP2007195213A JP2007195213A JP4861921B2 JP 4861921 B2 JP4861921 B2 JP 4861921B2 JP 2007195213 A JP2007195213 A JP 2007195213A JP 2007195213 A JP2007195213 A JP 2007195213A JP 4861921 B2 JP4861921 B2 JP 4861921B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- cylinder
- rotational speed
- individual
- engine
- 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 150
- 239000007924 injection Substances 0.000 title claims description 150
- 239000000446 fuel Substances 0.000 title claims description 108
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010187 selection method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F02D41/008—Controlling each cylinder individually
- F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
-
- 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
- F02D41/36—Controlling fuel injection of the low pressure type with means for controlling distribution
-
- 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
-
- 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
-
- 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
- F02D41/1497—With detection of the mechanical response of the engine
- F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/28—Control for reducing torsional vibrations, e.g. at acceleration
-
- 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
- F02D41/30—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
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)
- Fuel-Injection Apparatus (AREA)
Description
2 ディーゼルエンジン本体
3 インジェクタ
4 電磁弁
5 コモンレール
6 エンジン回転数センサー
10 燃料噴射量補正手段
20 基本噴射量出力手段
30 個別基準回転数出力手段
31〜34 個別基準回転数差分マップ
40 差分演算手段
50 補正量算出手段
60 噴射量演算手段
100 ECU
Qbas 基本噴射量
ΔQ 噴射補正量
Qinj 噴射量
Nm エンジン目標回転数
Ngov エンジン実回転数
ΔNgov 所定実エンジン回転数幅
Δt 所定時間
Nstd エンジン基準回転数
ΔNstdi 個別基準回転数差
Nstdi 個別基準回転数
Ni 個別実回転数
Claims (2)
- 複数の気筒を有し、該気筒別に燃料噴射弁を備え、該各燃料噴射弁の開弁時間を個別に制御可能であり、全ての前記燃料噴射弁が正常状態のときの、前記各燃料噴射弁のそれぞれの燃料噴射に伴う前記燃料噴射弁に対応するそれぞれの気筒の個別基準回転数を出力する個別基準回転数出力手段と、前記各燃料噴射弁のそれぞれの燃料噴射に伴う前記燃料噴射弁に対応する各気筒の個別実回転数を算出する個別実回転数算出手段と、前記個別基準回転数と前記個別実回転数との回転数差分に基づいて、該当する気筒の燃料噴射弁からの燃料噴射量の補正量を算出する補正量算出手段を具備し、前記個別基準回転数出力手段は、基準回転数との差をエンジン回転数域毎又は負荷域毎に記憶し、エンジン回転数域毎又は負荷域毎に対応して前記各気筒の基準回転数との差を選定する選定手段を具備するエンジンにおいて、前記個別基準回転数出力手段は、全ての前記燃料噴射弁が正常状態のときの、ある気筒の圧縮上死点から次気筒の圧縮上死点までの中央点のクランク角度をその気筒の基準クランク角度とし、各気筒の基準クランク角度に到るまでの所定のクランク角度変化に基づく実回転数の平均値をその気筒の個別基準回転数として選定し、前記個別実回転数算出手段は、ある気筒の圧縮上死点から次気筒の圧縮上死点までの中央点のクランク角度をその気筒の基準クランク角度とし、各気筒の基準クランク角度に到るまでの所定のクランク角度変化に基づく実回転数の平均値をその気筒の個別実回転数として算出することを特徴とするエンジン。
- 複数の気筒を有し、該気筒別に燃料噴射弁を備え、該各燃料噴射弁の開弁時間を個別に制御可能であり、全ての前記燃料噴射弁が正常状態のときの、前記各燃料噴射弁のそれぞれの燃料噴射に伴う前記燃料噴射弁に対応するそれぞれの気筒の個別基準回転数を出力する個別基準回転数出力手段と、前記各燃料噴射弁のそれぞれの燃料噴射に伴う前記燃料噴射弁に対応する各気筒の個別実回転数を算出する個別実回転数算出手段と、前記個別基準回転数と前記個別実回転数との回転数差分に基づいて、該当する気筒の燃料噴射弁からの燃料噴射量の補正量を算出する補正量算出手段を具備し、前記個別基準回転数出力手段は、基準回転数との差をエンジン回転数域毎又は負荷域毎に記憶し、エンジン回転数域毎又は負荷域毎に対応して前記各気筒の基準回転数との差を選定する選定手段を具備するエンジンにおいて、前記個別基準回転数出力手段は、燃料噴射を停止してエンジンをモータリングしている状態の回転数を個別基準回転数として選定することを特徴とするエンジン。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007195213A JP4861921B2 (ja) | 2007-07-26 | 2007-07-26 | 燃料噴射量補正機能付エンジン |
| PCT/JP2008/063385 WO2009014208A1 (ja) | 2007-07-26 | 2008-07-25 | エンジン |
| EP08791629.2A EP2184474A4 (en) | 2007-07-26 | 2008-07-25 | ENGINE |
| CN2008800254320A CN101809270B (zh) | 2007-07-26 | 2008-07-25 | 发动机 |
| US12/665,530 US8494752B2 (en) | 2007-07-26 | 2008-07-25 | Engine |
| KR1020097026844A KR101107334B1 (ko) | 2007-07-26 | 2008-07-25 | 엔진 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007195213A JP4861921B2 (ja) | 2007-07-26 | 2007-07-26 | 燃料噴射量補正機能付エンジン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009030522A JP2009030522A (ja) | 2009-02-12 |
| JP4861921B2 true JP4861921B2 (ja) | 2012-01-25 |
Family
ID=40281455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007195213A Expired - Fee Related JP4861921B2 (ja) | 2007-07-26 | 2007-07-26 | 燃料噴射量補正機能付エンジン |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8494752B2 (ja) |
| EP (1) | EP2184474A4 (ja) |
| JP (1) | JP4861921B2 (ja) |
| KR (1) | KR101107334B1 (ja) |
| CN (1) | CN101809270B (ja) |
| WO (1) | WO2009014208A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128098B (zh) * | 2011-03-21 | 2013-06-05 | 清华大学 | 一种四冲程电控单缸柴油机燃油喷射控制方法及系统 |
| JP2014231830A (ja) * | 2013-05-02 | 2014-12-11 | 株式会社電子応用 | エンジン制御装置 |
| JP6933995B2 (ja) * | 2018-05-16 | 2021-09-08 | 株式会社豊田自動織機 | エンジンの制御装置 |
| CN110925110B (zh) * | 2019-12-13 | 2022-08-23 | 潍柴动力股份有限公司 | 发动机怠速控制方法、装置及存储介质 |
| CN114837835B (zh) * | 2022-05-26 | 2023-06-02 | 中国第一汽车股份有限公司 | 多缸发动机的喷油补偿量的确定方法、装置、设备及介质 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0759911B2 (ja) | 1985-07-24 | 1995-06-28 | 日本電装株式会社 | 内燃機関用燃料噴射量制御方法 |
| JP3071799B2 (ja) * | 1990-02-15 | 2000-07-31 | ヤマハ発動機株式会社 | 多気筒ディーゼルエンジンの燃料噴射装置 |
| JP3479090B2 (ja) * | 1992-06-03 | 2003-12-15 | 株式会社日立製作所 | 多気筒エンジンの燃焼状態診断装置 |
| JPH0968086A (ja) * | 1995-08-31 | 1997-03-11 | Nissan Motor Co Ltd | 燃料ポンプ |
| JP4312938B2 (ja) * | 2000-09-07 | 2009-08-12 | 株式会社日本自動車部品総合研究所 | 燃料噴射装置の経時変化判定装置 |
| JP4306123B2 (ja) * | 2000-12-15 | 2009-07-29 | トヨタ自動車株式会社 | 内燃機関の燃料供給系異常検出装置 |
| DE10143950A1 (de) * | 2001-09-07 | 2003-04-30 | Siemens Ag | Verfahren zur Leerlaufregelung einer Mehrzylinder-Brennkraftmaschine und Signalkonditionierungsanordnung hierfür |
| DE10235665A1 (de) * | 2002-07-31 | 2004-02-12 | Conti Temic Microelectronic Gmbh | Regelung der Betriebsweise einer Brennkraftmaschine |
| JP2004108160A (ja) * | 2002-09-13 | 2004-04-08 | Denso Corp | 内燃機関用燃料噴射装置 |
| JP4259109B2 (ja) * | 2002-12-20 | 2009-04-30 | 日産自動車株式会社 | エンジンの燃料噴射制御装置 |
| US7317983B2 (en) * | 2005-06-22 | 2008-01-08 | Denso Corporation | Fuel injection controlling apparatus for internal combustion engine |
| JP4487874B2 (ja) * | 2005-07-12 | 2010-06-23 | 株式会社デンソー | 内燃機関の燃料噴射制御装置 |
| JP2007170203A (ja) * | 2005-12-19 | 2007-07-05 | Toyota Motor Corp | 内燃機関の燃焼変動検出装置 |
| JP4552899B2 (ja) * | 2006-06-06 | 2010-09-29 | 株式会社デンソー | 燃料噴射制御装置 |
-
2007
- 2007-07-26 JP JP2007195213A patent/JP4861921B2/ja not_active Expired - Fee Related
-
2008
- 2008-07-25 CN CN2008800254320A patent/CN101809270B/zh not_active Expired - Fee Related
- 2008-07-25 WO PCT/JP2008/063385 patent/WO2009014208A1/ja not_active Ceased
- 2008-07-25 US US12/665,530 patent/US8494752B2/en not_active Expired - Fee Related
- 2008-07-25 KR KR1020097026844A patent/KR101107334B1/ko not_active Expired - Fee Related
- 2008-07-25 EP EP08791629.2A patent/EP2184474A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP2184474A1 (en) | 2010-05-12 |
| KR101107334B1 (ko) | 2012-01-19 |
| US20100198484A1 (en) | 2010-08-05 |
| EP2184474A4 (en) | 2014-07-02 |
| US8494752B2 (en) | 2013-07-23 |
| JP2009030522A (ja) | 2009-02-12 |
| WO2009014208A1 (ja) | 2009-01-29 |
| CN101809270A (zh) | 2010-08-18 |
| KR20100023890A (ko) | 2010-03-04 |
| CN101809270B (zh) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4856020B2 (ja) | エンジン | |
| US8010277B2 (en) | Fuel injection controller and diagnosis method of fuel supply system | |
| EP2003317B1 (en) | Fuel injection quantity learning control device and engine control system | |
| JP3861550B2 (ja) | 多気筒内燃機関の異常気筒検出装置 | |
| JP4861921B2 (ja) | 燃料噴射量補正機能付エンジン | |
| US8539933B2 (en) | Multiple fuel injection systems and methods | |
| JP2006125370A (ja) | 噴射量学習制御装置 | |
| US7367323B2 (en) | Eight-cylinder engine | |
| JP5735814B2 (ja) | 内燃機関の燃料噴射制御装置および燃料噴射制御方法 | |
| JP4349339B2 (ja) | 内燃機関の噴射量制御装置 | |
| JP7396307B2 (ja) | エンジン制御装置 | |
| JP4622775B2 (ja) | 燃料噴射制御装置 | |
| JP2010138754A (ja) | 内燃機関の燃料噴射制御装置 | |
| JP2003184608A (ja) | 多気筒内燃機関の燃料噴射制御装置 | |
| JP4389400B2 (ja) | 燃料噴射装置 | |
| JP4221570B2 (ja) | 燃料噴射装置 | |
| WO2006006301A1 (ja) | 内燃機関の回転数制御装置及びその回転数制御装置を備えた内燃機関 | |
| JP2018087559A (ja) | 圧縮着火式エンジンの制御方法および制御装置 | |
| JP2007002675A (ja) | 内燃機関の燃料噴射制御装置 | |
| JP2006233918A (ja) | 内燃機関の制御装置 | |
| JP2013139727A (ja) | 燃料噴射制御装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100310 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110823 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110926 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111101 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111107 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4861921 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141111 Year of fee payment: 3 |
|
| LAPS | Cancellation because of no payment of annual fees |