JP2004360688A - エンジン出力損失の補償 - Google Patents
エンジン出力損失の補償 Download PDFInfo
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- JP2004360688A JP2004360688A JP2004146927A JP2004146927A JP2004360688A JP 2004360688 A JP2004360688 A JP 2004360688A JP 2004146927 A JP2004146927 A JP 2004146927A JP 2004146927 A JP2004146927 A JP 2004146927A JP 2004360688 A JP2004360688 A JP 2004360688A
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- JP
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- Prior art keywords
- fuel
- determining
- factor
- temperature
- compensation
- 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.)
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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
- F02D41/30—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
-
- 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
- F02D41/402—Multiple injections
- F02D41/403—Multiple injections with pilot injections
-
- 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
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- 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
- F02D2200/0606—Fuel temperature
-
- 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
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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)
Abstract
【解決手段】 エンジン内での燃料の送出に関連するパラメータを決定する方法および装置。本方法および装置は、燃料の送出に関連する初期パラメータ値を決定することと、燃料および燃料供給装置の加熱効果に基づいて、少なくとも1つの補償要因を決定することと、少なくとも1つの補償要因を初期パラメータ値に当てはめて、補償されたパラメータ値を導き出すこととを含む。
【選択図】 図2
Description
102 エンジン
104 燃料供給装置
105 燃焼室
106 燃料供給
108 燃料供給装置の入口
110 温度センサ
112 エンジン速度決定装置
114 エンジン速度センサ
116 制御装置
202 燃料温度補償マップ
302 燃料温度勾配補償マップ
304 燃料温度オフセット補償マップ
306 乗算接合点
308 加算接合点
702 出力削減オフセットマップ
704 定常状態補正要因マップ
706 加算接合点
708 正値リミッタ
710 低域フィルタ
712 乗算接合点
1002 初期継続時間値
1004 補償された継続時間値
1006 第1の加算接合点
1008 第2の加算接合点
Claims (10)
- エンジン内での燃料の送出に関連するパラメータを決定する方法であって、
燃料の送出に関連する初期パラメータ値を決定する工程と、
燃料および燃料供給装置の加熱効果に基づいて、少なくとも1つの補償要因を決定する工程と、
少なくとも1つの補償要因を初期パラメータ値に当てはめて、補償されたパラメータ値を導き出す工程とを含む方法。 - 燃料の送出が、燃焼室への燃料の噴射を含み、初期パラメータ値を決定する工程とが、燃料の噴射の初期継続時間値を決定する工程を含む請求項1に記載の方法。
- 少なくとも1つの補償要因を決定する工程が、初期継続時間値を変化させる少なくとも1つの要因を決定する工程を含み、少なくとも1つの補償要因を初期パラメータ値に当てはめることが、少なくとも1つの補償要因により初期継続時間値を変化させて、補償された継続時間値を導き出す工程を含む請求項2に記載の方法。
- 少なくとも1つの補償要因を決定する工程が、燃料温度補償要因を決定する工程を含む請求項1に記載の方法。
- 燃料温度補償要因を決定する工程が、
燃料供給装置の動作状況を決定する工程と、
燃料供給装置の入口に先立った位置で燃料の温度を決定する工程と、
動作状況に応じて、燃料温度補償マップを選択する工程と、
燃料の温度と燃料温度補償マップとに応じて、燃料温度補償要因を決定する工程とを含む請求項4に記載の方法。 - 燃料温度補償要因を決定する工程が、
燃料供給装置の動作状況を決定する工程と、
燃料供給装置の入口に先立った位置で燃料の温度を決定する工程と、
動作状況に応じて、燃料温度オフセット補償マップを選択する工程と、
動作状況に応じて、燃料温度勾配補償マップを選択する工程と、
燃料の温度と燃料温度オフセットマップと勾配補償マップとに応じて、燃料温度補償要因を決定する工程とを含む請求項4に記載の方法。 - 少なくとも1つの補償要因を決定する工程が、出力損失削減要因を決定する工程を含む請求項1に記載の方法。
- 出力損失削減要因を決定する工程が、
エンジンの速度を決定する工程と、
送り出される燃料の量に関連するパラメータを決定する工程と、
エンジン速度と出力削減オフセットマップとに応じて、出力削減オフセット値を決定する工程と、
エンジン速度と燃料量パラメータと定常状態補正要因マップとに応じて、定常状態補正要因を決定する工程と、
出力削減オフセット値と定常状態補正要因とに応じて、出力損失削減要因を決定する工程とを含む請求項7に記載の方法。 - 内燃機関内での燃料供給装置の燃料噴射イベントの継続時間値を決定する装置であって、
燃料供給と、
燃料供給から燃料を受け取るための燃料供給装置の入口と、
入口に先立った燃料の温度が検出されるよう配置された温度センサと、
エンジン速度決定装置と、
温度センサおよびエンジン速度決定装置から信号を受信し、燃料温度補償要因および出力損失削減要因のうちの少なくとも1つを決定し、それに応じて、燃料噴射イベントのための補償された継続時間値を決定するための制御装置とを備えた装置。 - 制御装置が、
燃料温度補償マップと、
燃料温度オフセット補償マップと、
燃料温度勾配補償マップと、
出力削減オフセットマップと、
定常状態補正要因マップとのうちの少なくとも1つを含む請求項9に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/453,269 | 2003-06-03 | ||
US10/453,269 US7006910B2 (en) | 2003-06-03 | 2003-06-03 | Engine power loss compensation |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011015660A Division JP5253529B2 (ja) | 2003-06-03 | 2011-01-27 | エンジン出力損失の補償 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004360688A true JP2004360688A (ja) | 2004-12-24 |
JP5178990B2 JP5178990B2 (ja) | 2013-04-10 |
Family
ID=33489506
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004146927A Expired - Fee Related JP5178990B2 (ja) | 2003-06-03 | 2004-05-17 | エンジン出力損失の補償 |
JP2011015660A Expired - Fee Related JP5253529B2 (ja) | 2003-06-03 | 2011-01-27 | エンジン出力損失の補償 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011015660A Expired - Fee Related JP5253529B2 (ja) | 2003-06-03 | 2011-01-27 | エンジン出力損失の補償 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7006910B2 (ja) |
JP (2) | JP5178990B2 (ja) |
DE (1) | DE102004019849B4 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004049345A1 (de) * | 2004-10-08 | 2006-04-13 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung eines Antriebseinheit |
US7418335B2 (en) * | 2006-05-31 | 2008-08-26 | Caterpillar Inc. | Method and system for estimating injector fuel temperature |
US7606653B2 (en) * | 2007-12-11 | 2009-10-20 | Gm Global Technology Operations, Inc. | Vehicle speed dependant calibration trim for improved fuel economy |
EP2441941A3 (de) * | 2010-10-12 | 2013-09-18 | Alfred Trzmiel | Verbrennungsmotor sowie Nach/Umrüstsatz für einen solchen Verbrennungsmotor |
Citations (5)
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JPH08232686A (ja) * | 1995-02-23 | 1996-09-10 | Nippondenso Co Ltd | 燃料噴射ポンプの制御方法及び制御装置 |
WO1999028610A1 (fr) * | 1997-11-28 | 1999-06-10 | Zexel Corporation | Procede et appareil d'ejection de carburant haute pression |
JPH11200918A (ja) * | 1997-11-17 | 1999-07-27 | Denso Corp | 内燃機関の燃料噴射制御装置 |
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-
2003
- 2003-06-03 US US10/453,269 patent/US7006910B2/en not_active Expired - Fee Related
-
2004
- 2004-04-23 DE DE102004019849.7A patent/DE102004019849B4/de not_active Expired - Fee Related
- 2004-05-17 JP JP2004146927A patent/JP5178990B2/ja not_active Expired - Fee Related
-
2011
- 2011-01-27 JP JP2011015660A patent/JP5253529B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61265334A (ja) * | 1985-05-17 | 1986-11-25 | Toyota Motor Corp | 内燃機関の空燃比制御方法 |
JPS6290958A (ja) * | 1985-10-17 | 1987-04-25 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JPH08232686A (ja) * | 1995-02-23 | 1996-09-10 | Nippondenso Co Ltd | 燃料噴射ポンプの制御方法及び制御装置 |
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Also Published As
Publication number | Publication date |
---|---|
US20040249554A1 (en) | 2004-12-09 |
US7006910B2 (en) | 2006-02-28 |
JP5178990B2 (ja) | 2013-04-10 |
DE102004019849B4 (de) | 2016-09-29 |
JP5253529B2 (ja) | 2013-07-31 |
JP2011117456A (ja) | 2011-06-16 |
DE102004019849A1 (de) | 2004-12-23 |
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