KR960702053A - 내연 기관의 연료 성상 검출 장치(Device for Detecting Type of lnternal Combustion Engine Fuel) - Google Patents
내연 기관의 연료 성상 검출 장치(Device for Detecting Type of lnternal Combustion Engine Fuel)Info
- Publication number
- KR960702053A KR960702053A KR1019950704645A KR19950704645A KR960702053A KR 960702053 A KR960702053 A KR 960702053A KR 1019950704645 A KR1019950704645 A KR 1019950704645A KR 19950704645 A KR19950704645 A KR 19950704645A KR 960702053 A KR960702053 A KR 960702053A
- Authority
- KR
- South Korea
- Prior art keywords
- fuel
- air
- fuel ratio
- combustion engine
- ratio feedback
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/085—Control based on the fuel type or composition
- F02D19/087—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
- F02D19/088—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels by estimation, i.e. without using direct measurements of a corresponding sensor
-
- 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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0607—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/061—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- 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
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- 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
- F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
- F02D41/1488—Inhibiting the regulation
- F02D41/1491—Replacing of the control value by a mean value
-
- 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
- F02D2200/0611—Fuel type, fuel composition or fuel quality
- F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Testing Of Engines (AREA)
Abstract
공연비 퍼드백 제어에 있어서의 가속 중량 보정을 한층 적절히 부여하기 위해 사용 연료의 기화율을 검출하는 장치이다. 시동 직후에 공연비 피드백 제어를 개시시킨 때(S4), 냉각수 온도 Tw를 기초로 하여 배기 온도가 낮은 조건인지를 판별한다(S5). 배기 온도가 낮을 때는 공연비 피드백 보정 계수 α의 평균치αAV를 구하고(S6, S7), 이 평균치 αAV와 기준치를 비교한다(S8). 사용 연료가 기화 특성이 나쁜 중질 연료인 경우에는 배기중의 HC량이 많고 산소가 소비되므로, 평균치 αAV로 표시되는 공연비 피드백 제어의 제어점이 회박측으로 어긋난다. 이 제어점의 회박측으로의 어긋남을 기초로 하여 사용 연료가 기화 특성이 나쁜 중질 연료인지 기화특성이 좋은 연료인지를 공연비 피드백 중에 잔별한다(S9,S10).
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 구성을 도시하는 블럭도이다.
Claims (6)
- 기관 배기중의 산소 농도를 검출하는 산소 농도 검출 수단과, 상기 산소 농도 검출 수단에서 검출되는산소 농도를 기초로 하여 기관 흡입 혼합기의 공연비를 목표 공연비에 근접시키도록 공연비 피드백 보정치를 설정하고, 상기 공연비 피드백 보정치에 따라서 연료 공급 수단에 의한 연료 공급량을 보정하는 공연비 피드백제어 수단을 구비한 내연 기관에 있어서, 기관의 배기 온도가 소정 저온 상태에 있는지를 검출하는 저배온 상태 검출 수단과, 상기 저배온 상태 검출 수단에 의해 배기 온고가 소정 저온 상태에 있는 것이 검출되어있을 때 상기 공연비 피드백 제어 수단에서 설정된 공연비 피드백 보정치를 기초로 하여 사용 연료의 기화특성을 판별하는 연료 성상 판변 수단을 포함하여 구성된 것을 특징으로 하는 내연 기관의 연료 성상 검출장치.
- 제1항에 있어서, 상기 연료 성상 판벽 수단이, 상기 공연비 피드백 보청치와 소정 기준치를 비교함으로써 사용 연료의 기화 특성을 양·불량의 두 종류로 판별하는 것을 특징으로 하는 내연 기관의 연료 성상 검출장치.
- 제1항에 있어서, 상기 연료 성상 판별 수단이 상기 공연비 피드백 보정치의 평균치를 연산하는 수단을 포함하고, 이 평균치를 기초로 하여 사용 연료의 기화 특성을 판별하는 것을 특징으로 하는 내연 기관의 연료성상 검출 장치.
- 제3항에 있어서, 기관의 배기 온도가 높을 때에 있어서의 상기 공연비 피드백 보청치의 평균치를 학습하는 수단과, 이 학습치를 기초로 하여 기화 특성의 판별 기준치를 설정하는 수단을 또 구비하고 있는 것을 특징으로 하는 내연 기관의 연료 성상 검출 장치.
- 제1항에 있어서, 과도시의 공연비를 적정화하기 위해 기본 연료 공급량에 부가되 는중량 보정량을, 검출한사용 연료의 기화 특성을 기초로 하여 수정하는 수단을 또 구비하고 있는 것을 특징으로 하는 내연 기관의 연료 성상 검출 장치.
- 기관 배기중의 산소 농도를 검출하고, 이 검출 산소 농도를 기초로 하여 기관 흡입 혼합기의 공연비 를목표 공연비에 가까와지게 하도록 공연비의 피드백 보정치를 설청하고, 상기 공연비의 피드백 보정치에 따라서 내연 기관의 연료 공급량을 피드백 제어하게 한 내연 기관에 이용되는 연료 성상 검출 방법에 있어서, 기관의 배기 온도가 소정 저온 상태에 있는지를 검출하는 단계와, 배기 온도가 소정 저온 상태에 있음이 검출되어있을 때 상기 공연비 피드백 보청치의 평균치를 구비하는 단계와, 이 공연비 피드백 보청치의 평균치를 기초로하여 사용 연료의 기화 특성을 판별하는 단계를 포함하는 있는 것을 특징으로 하는 내연 기관의 연료 성상 검출 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6027750A JPH07233750A (ja) | 1994-02-25 | 1994-02-25 | 内燃機関の燃料性状検出装置 |
JP94-27750 | 1994-02-25 | ||
PCT/JP1995/000275 WO1995023284A1 (fr) | 1994-02-25 | 1995-02-24 | Detecteur du type de carburant d'un moteur a combustion interne |
Publications (1)
Publication Number | Publication Date |
---|---|
KR960702053A true KR960702053A (ko) | 1996-03-28 |
Family
ID=12229708
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950704645A KR960702053A (ko) | 1994-02-25 | 1995-02-24 | 내연 기관의 연료 성상 검출 장치(Device for Detecting Type of lnternal Combustion Engine Fuel) |
KR1019950704645A KR0147916B1 (ko) | 1994-02-25 | 1995-02-24 | 내연 기관의 연료 성상 검출 장치 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950704645A KR0147916B1 (ko) | 1994-02-25 | 1995-02-24 | 내연 기관의 연료 성상 검출 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5582157A (ko) |
JP (1) | JPH07233750A (ko) |
KR (2) | KR960702053A (ko) |
WO (1) | WO1995023284A1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3355269B2 (ja) * | 1996-01-25 | 2002-12-09 | 株式会社日立ユニシアオートモティブ | 内燃機関の燃料性状検出装置 |
US6041278A (en) * | 1997-10-29 | 2000-03-21 | Chrysler Corporation | Method of triggering a determination of the composition of fuel in a flexible fueled vehicle |
US6055963A (en) * | 1998-03-06 | 2000-05-02 | Caterpillar Inc. | Method for determining the energy content of a fuel delivered to an engine |
US6178949B1 (en) * | 1999-10-04 | 2001-01-30 | General Motors Corporation | Engine control having fuel volatility compensation |
KR100345860B1 (ko) * | 1999-11-12 | 2002-07-27 | 기아자동차주식회사 | 가솔린엔진 흡기분배시험장치 |
US6360726B1 (en) | 2000-07-31 | 2002-03-26 | General Motors Corporation | Fuel volatility detection and compensation during cold engine start |
US20030205217A1 (en) * | 2002-05-06 | 2003-11-06 | Mcintyre Michael Gene | Enhanced fuel injection via fuel identification delivery system |
US6679225B2 (en) * | 2002-05-16 | 2004-01-20 | Delphi Technologies, Inc. | Compensation for fuel volatility for internal combustion engine start and run |
US20030213474A1 (en) * | 2002-05-16 | 2003-11-20 | Lambert David K. | Engine control method and apparatus using a fuel volatility sensor |
US6935311B2 (en) * | 2002-10-09 | 2005-08-30 | Ford Global Technologies, Llc | Engine control with fuel quality sensor |
JP3903943B2 (ja) * | 2003-04-07 | 2007-04-11 | 日産自動車株式会社 | 内燃機関の燃料性状推定装置 |
JP2005201120A (ja) | 2004-01-14 | 2005-07-28 | Toyota Motor Corp | 内燃機関の制御装置 |
KR100747180B1 (ko) * | 2005-10-10 | 2007-08-07 | 현대자동차주식회사 | 차량의 저품질 연료 판정 방법 |
FR2896014B1 (fr) * | 2006-01-11 | 2011-04-29 | Siemens Vdo Automotive | Procede d'adaptation d'un moteur a combustion interne a la qualite du carburant utilise |
JP4527133B2 (ja) * | 2007-05-18 | 2010-08-18 | 三菱電機株式会社 | 内燃機関の制御装置 |
DE102007050122A1 (de) * | 2007-10-19 | 2009-04-23 | Robert Bosch Gmbh | Verfahren zur Klassifizierung von Kraftstoffen in direkt einspritzenden Brennkraftmaschinen |
DE102008001984A1 (de) * | 2008-05-26 | 2009-12-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
JP5346838B2 (ja) * | 2010-02-12 | 2013-11-20 | 本田技研工業株式会社 | 汎用型エンジンの空燃比制御装置 |
CN101865040A (zh) * | 2010-05-14 | 2010-10-20 | 马鞍山普优电子科技有限公司 | 一种新型自动双燃料控制器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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SE8802226L (sv) * | 1988-06-14 | 1989-12-15 | Nira Automotive Ab | Anordning foer begraensning av avgastemperaturen i en foerbraenningsmotor |
JPH0458029A (ja) * | 1990-06-28 | 1992-02-25 | Suzuki Motor Corp | 内燃機関の使用燃料判別装置 |
JPH0458051A (ja) * | 1990-06-28 | 1992-02-25 | Suzuki Motor Corp | 内燃機関の使用燃料判別装置 |
JPH04191450A (ja) * | 1990-11-22 | 1992-07-09 | Mazda Motor Corp | エンジンの燃料性状検出方法 |
JPH04224244A (ja) * | 1990-12-21 | 1992-08-13 | Honda Motor Co Ltd | エンジンの空燃比制御装置 |
JP2929744B2 (ja) * | 1991-02-14 | 1999-08-03 | 日産自動車株式会社 | 内燃機関の空燃比制御装置 |
JP2715207B2 (ja) * | 1992-01-16 | 1998-02-18 | 株式会社ユニシアジェックス | 内燃機関の電子制御燃料供給装置 |
JP2704808B2 (ja) * | 1992-04-07 | 1998-01-26 | 株式会社ユニシアジェックス | 燃料の性状判別装置 |
US5191689A (en) * | 1992-05-01 | 1993-03-09 | Mcdonnell Douglas Corporation | Grommet installation device |
JPH06235347A (ja) * | 1993-01-05 | 1994-08-23 | Unisia Jecs Corp | 内燃機関の燃料性状検出装置 |
US5322047A (en) * | 1993-09-09 | 1994-06-21 | Dynalco Controls, Inc. | Temperature compensated air/fuel ratio controller and method therefor |
JP2887056B2 (ja) * | 1993-11-12 | 1999-04-26 | 三菱電機株式会社 | 内燃機関の燃料性状判定装置 |
JPH07166922A (ja) * | 1993-12-13 | 1995-06-27 | Nippon Soken Inc | 内燃機関の燃料噴射制御装置 |
JP2884472B2 (ja) * | 1994-03-23 | 1999-04-19 | 株式会社ユニシアジェックス | 内燃機関の燃料性状検出装置 |
-
1994
- 1994-02-25 JP JP6027750A patent/JPH07233750A/ja active Pending
-
1995
- 1995-02-24 KR KR1019950704645A patent/KR960702053A/ko not_active IP Right Cessation
- 1995-02-24 WO PCT/JP1995/000275 patent/WO1995023284A1/ja active Application Filing
- 1995-02-24 US US08/530,234 patent/US5582157A/en not_active Expired - Fee Related
- 1995-02-24 KR KR1019950704645A patent/KR0147916B1/ko active
Also Published As
Publication number | Publication date |
---|---|
JPH07233750A (ja) | 1995-09-05 |
WO1995023284A1 (fr) | 1995-08-31 |
US5582157A (en) | 1996-12-10 |
KR0147916B1 (ko) | 1998-08-17 |
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