KR850003926A - 공연비 제어방법 - Google Patents
공연비 제어방법 Download PDFInfo
- Publication number
- KR850003926A KR850003926A KR1019840007238A KR840007238A KR850003926A KR 850003926 A KR850003926 A KR 850003926A KR 1019840007238 A KR1019840007238 A KR 1019840007238A KR 840007238 A KR840007238 A KR 840007238A KR 850003926 A KR850003926 A KR 850003926A
- Authority
- KR
- South Korea
- Prior art keywords
- air
- correction
- fuel ratio
- control method
- ratio control
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 9
- 238000002485 combustion reaction Methods 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
-
- 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
- F02D41/2487—Methods for rewriting
-
- 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
- F02D41/2445—Methods of calibrating or learning characterised by the learning conditions characterised by a plurality of learning conditions or ranges
-
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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
- F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
- F02D41/248—Methods of calibrating or learning characterised by the method used for learning using a plurality of learned values
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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 공연비 피이드백 방법의 엔진제어 장치의 일레를 나타낸 개략구성도,
제2도는 본원 발명의 일실시예의 동작을 나타낸 설명도,
제3도는 본원 발명에 있어서 사용하는 정상학습맵의 일실시예를 나타낸 개념도.
Claims (4)
- 기관의 운전상태를 그 회전속도, 부하의 대소 등의 운전항목에 따라 복수의 운전영역으로 분할하고, 이들 각각의 운전영역마다 학습 설정해 놓은 보정계수에 의거하여 제어를 하도록 한 내연기관의 공연비제어방식에 있어서, 상기 보정계수를 각기 독립된 복수의 기억 데이터군으로서 유지하는 수단을 설치하며, 이들 기억 데이터군을 상기 제어에 사용하기 위한 보정계수로 이루어진 제1의 그루우프와, 피이드백제어에 의거한 학습의 결과에 의한 순차 변경되어 가는 보정계수로 이루어진 제2의 그루우프와, 이 제2의 그루우프의 보정계수에 의한 상기 제1의 그루우프의 보정계수의 고쳐쓰는 시기를 판단하기 위한 보정계수로 이루어진 제3의 그루우프로 구성한 것을 특징으로 하는 공연비 제어방법.
- 복수의 서로 운전항목을 달리하는 운전영역을 설치하여, 각각마다 설정한 보정계수를 동시에 사용하여 제어를 하도록 구성한 것을 특징으로 하는 특허청구의 범위 1기재의 공연비 제어방법.
- 내연기관의 운전조건중의 흡입공기량에 따라 연료분사밸브에 의한 연료공급량의 기본치를 산출하고, 다른 운전조건에 따라 상기 기본치에 대한 보정을 하는 방식의 공연비 제어방법에 있어서, 상기 기본치가 내연기관의 아이들 상태에 있어서의 연료공급량의 기본치 이하로 되었을 때만 작용하는 보정수단을 설치하며, 이 보정수단에 의한 보정동작이 이때의 기본치에 대해 1이하의 값을 취하는 계수의 승산동작으로 되도록 구성한 것을 특징으로 하는 공연비 제어방법.
- 상기 1이하의 값을 취하는 계수가 내연기관 감속시에 있어서의 공연비 보정에 의거한 학습에 의해 결정되도록 구성한 것을 특징으로 하는 특허청구의 범위 1기재의 공연비 제어방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP217838 | 1983-11-21 | ||
JP??83-217838 | 1983-11-21 | ||
JP21783883A JPS60111034A (ja) | 1983-11-21 | 1983-11-21 | 空燃比制御方式 |
JP4483584A JPS60228741A (ja) | 1984-03-10 | 1984-03-10 | 空燃比制御方法 |
JP84-44835 | 1984-03-10 | ||
JP44835 | 1984-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850003926A true KR850003926A (ko) | 1985-06-29 |
KR890000497B1 KR890000497B1 (ko) | 1989-03-20 |
Family
ID=26384799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840007238A KR890000497B1 (ko) | 1983-11-21 | 1984-11-19 | 공연비 제어장치 |
Country Status (4)
Country | Link |
---|---|
US (2) | US4703430A (ko) |
EP (1) | EP0145992B1 (ko) |
KR (1) | KR890000497B1 (ko) |
DE (1) | DE3471973D1 (ko) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2544334B2 (ja) * | 1985-07-10 | 1996-10-16 | 株式会社日立製作所 | アイドル回転速度制御方法 |
JPS6223557A (ja) * | 1985-07-24 | 1987-01-31 | Hitachi Ltd | 内燃機関の学習制御方法 |
GB8521663D0 (en) * | 1985-08-30 | 1985-10-02 | British Steel Corp | Control of reactants in chemical engineering systems |
IT1182558B (it) * | 1985-09-20 | 1987-10-05 | Weber Spa | Sistema di controllo automatico in condizioni di regime di rotazione minimo del tipo della miscela combustibile adotta ad un motore endotermico comorendente un sistema di iniezione elettronica |
DE3539395A1 (de) * | 1985-11-07 | 1987-05-14 | Bosch Gmbh Robert | Verfahren und einrichtung zur adaption der gemischsteuerung bei brennkraftmaschinen |
JPS62240447A (ja) * | 1986-04-09 | 1987-10-21 | Hitachi Ltd | 燃料制御装置 |
JPS6350644A (ja) * | 1986-08-13 | 1988-03-03 | Fuji Heavy Ind Ltd | エンジンの空燃比制御装置 |
JPH0751907B2 (ja) * | 1987-03-11 | 1995-06-05 | 株式会社日立製作所 | 空燃比学習制御装置 |
JP2555055B2 (ja) * | 1987-03-13 | 1996-11-20 | 株式会社日立製作所 | エンジン制御装置 |
JPS63251805A (ja) * | 1987-04-08 | 1988-10-19 | Hitachi Ltd | エンジンの状態別適応制御方式 |
US4991102A (en) * | 1987-07-09 | 1991-02-05 | Hitachi, Ltd. | Engine control system using learning control |
JPH0727390Y2 (ja) * | 1987-08-19 | 1995-06-21 | 三菱電機株式会社 | 内燃機関の空燃比制御装置 |
JPH0737777B2 (ja) * | 1987-10-09 | 1995-04-26 | 三菱電機株式会社 | 燃料制御装置 |
US4881505A (en) * | 1987-10-20 | 1989-11-21 | Japan Electronic Control Systems Co., Ltd. | Electronic learning control apparatus for internal combustion engine |
DE3800176A1 (de) * | 1988-01-07 | 1989-07-20 | Bosch Gmbh Robert | Steuereinrichtung fuer eine brennkraftmaschine und verfahren zum einstellen von parametern der einrichtung |
US5050562A (en) * | 1988-01-13 | 1991-09-24 | Hitachi, Ltd. | Apparatus and method for controlling a car |
JPH01216047A (ja) * | 1988-02-24 | 1989-08-30 | Hitachi Ltd | エンジンの空燃比制御方法および装置 |
JP2508180B2 (ja) * | 1988-03-23 | 1996-06-19 | 三菱電機株式会社 | 燃料制御装置 |
IT1234958B (it) * | 1989-06-20 | 1992-06-02 | Weber Srl | Sistema di iniezione elettronica di carburante per motori a scoppio, con strategie autoadattative di correzione delle deviazioni dal rapporto ottimale per le quantita' di aria e benzina alimentate al motore |
US5268842A (en) * | 1990-12-03 | 1993-12-07 | Cummins Engine Company, Inc. | Electronic control of engine fuel injection based on engine duty cycle |
JP3257319B2 (ja) * | 1995-01-30 | 2002-02-18 | トヨタ自動車株式会社 | 空燃比検出装置および方法 |
US5749346A (en) * | 1995-02-23 | 1998-05-12 | Hirel Holdings, Inc. | Electronic control unit for controlling an electronic injector fuel delivery system and method of controlling an electronic injector fuel delivery system |
JPH09196889A (ja) * | 1996-01-16 | 1997-07-31 | Toyota Motor Corp | 空燃比検出装置 |
JP3304763B2 (ja) * | 1996-06-06 | 2002-07-22 | トヨタ自動車株式会社 | 内燃機関の空燃比検出装置 |
JP2000008911A (ja) * | 1998-06-19 | 2000-01-11 | Mitsubishi Electric Corp | エンジン用燃料噴射量制御装置 |
JP4357663B2 (ja) * | 1999-09-07 | 2009-11-04 | トヨタ自動車株式会社 | 内燃機関の燃焼制御装置 |
US6539299B2 (en) | 2000-02-18 | 2003-03-25 | Optimum Power Technology | Apparatus and method for calibrating an engine management system |
JP5548114B2 (ja) * | 2010-12-24 | 2014-07-16 | 川崎重工業株式会社 | 内燃機関の空燃比制御装置及び空燃比制御方法 |
IT201800003377A1 (it) * | 2018-03-08 | 2019-09-08 | Fpt Ind Spa | Metodo di gestione di una alimentazione di un motore a combustione interna ad accensione comandata e sistema di alimentazione implementante detto metodo |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1081383B (it) * | 1977-04-27 | 1985-05-21 | Magneti Marelli Spa | Apparecchiatura elettronica per il controllo dell'alimentazione di una miscela aria/benzina di un motore a combustione interna |
JPS5596339A (en) * | 1979-01-13 | 1980-07-22 | Nippon Denso Co Ltd | Air-fuel ratio control method |
JPS569633A (en) * | 1979-07-02 | 1981-01-31 | Hitachi Ltd | Control of air-fuel ratio for engine |
US4309971A (en) * | 1980-04-21 | 1982-01-12 | General Motors Corporation | Adaptive air/fuel ratio controller for internal combustion engine |
JPS5735157A (en) * | 1980-08-08 | 1982-02-25 | Nippon Denso Co Ltd | Ignition timing control system for internal combustion engine |
JPS5768544A (en) * | 1980-10-17 | 1982-04-26 | Nippon Denso Co Ltd | Controlling method for internal combustion engine |
JPS57122135A (en) * | 1981-01-22 | 1982-07-29 | Toyota Motor Corp | Air fuel ratio control method |
JPS57143136A (en) * | 1981-02-26 | 1982-09-04 | Toyota Motor Corp | Method of controlling air fuel ratio of internal combustion engine |
JPS57188745A (en) * | 1981-05-18 | 1982-11-19 | Nippon Denso Co Ltd | Air-fuel ratio control method |
JPS582444A (ja) * | 1981-06-26 | 1983-01-08 | Nippon Denso Co Ltd | 空燃比制御方法 |
JPS5830554A (ja) * | 1981-07-22 | 1983-02-23 | Toyota Motor Corp | 自動変速機の電子制御方法 |
JPS58148238A (ja) * | 1982-02-25 | 1983-09-03 | Toyota Motor Corp | 内燃機関の電子制御燃料噴射方法 |
JPS58217746A (ja) * | 1982-06-09 | 1983-12-17 | Honda Motor Co Ltd | 内燃エンジンの空燃比帰還制御方法 |
JPS5925055A (ja) * | 1982-08-03 | 1984-02-08 | Nippon Denso Co Ltd | 空燃比制御装置 |
JPS5954750A (ja) * | 1982-09-20 | 1984-03-29 | Mazda Motor Corp | エンジンの燃料制御装置 |
US4616619A (en) * | 1983-07-18 | 1986-10-14 | Nippon Soken, Inc. | Method for controlling air-fuel ratio in internal combustion engine |
JPS60156953A (ja) * | 1984-01-27 | 1985-08-17 | Hitachi Ltd | 電子式内燃機関制御装置 |
-
1984
- 1984-11-19 US US06/672,591 patent/US4703430A/en not_active Expired - Fee Related
- 1984-11-19 KR KR1019840007238A patent/KR890000497B1/ko not_active IP Right Cessation
- 1984-11-20 EP EP84114027A patent/EP0145992B1/en not_active Expired
- 1984-11-20 DE DE8484114027T patent/DE3471973D1/de not_active Expired
-
1987
- 1987-10-26 US US07/112,146 patent/US4837698A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0145992A3 (en) | 1986-02-05 |
DE3471973D1 (en) | 1988-07-14 |
US4703430A (en) | 1987-10-27 |
KR890000497B1 (ko) | 1989-03-20 |
EP0145992A2 (en) | 1985-06-26 |
EP0145992B1 (en) | 1988-06-08 |
US4837698A (en) | 1989-06-06 |
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