JPS6313014B2 - - Google Patents
Info
- Publication number
- JPS6313014B2 JPS6313014B2 JP56075297A JP7529781A JPS6313014B2 JP S6313014 B2 JPS6313014 B2 JP S6313014B2 JP 56075297 A JP56075297 A JP 56075297A JP 7529781 A JP7529781 A JP 7529781A JP S6313014 B2 JPS6313014 B2 JP S6313014B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- correction amount
- engine
- amount
- 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
Links
- 239000000446 fuel Substances 0.000 claims description 83
- 238000012937 correction Methods 0.000 claims description 81
- 238000000034 method Methods 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 description 20
- 239000007924 injection Substances 0.000 description 20
- 239000007789 gas Substances 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 101100325756 Arabidopsis thaliana BAM5 gene Proteins 0.000 description 1
- 101150046378 RAM1 gene Proteins 0.000 description 1
- 101100476489 Rattus norvegicus Slc20a2 gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
-
- 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
- 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
- F02D41/2483—Methods of calibrating or learning characterised by the method used for learning restricting learned values
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56075297A JPS57188745A (en) | 1981-05-18 | 1981-05-18 | Air-fuel ratio control method |
US06/377,542 US4461261A (en) | 1981-05-18 | 1982-05-12 | Closed loop air/fuel ratio control using learning data each arranged not to exceed a predetermined value |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56075297A JPS57188745A (en) | 1981-05-18 | 1981-05-18 | Air-fuel ratio control method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57188745A JPS57188745A (en) | 1982-11-19 |
JPS6313014B2 true JPS6313014B2 (US20030157376A1-20030821-M00001.png) | 1988-03-23 |
Family
ID=13572163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56075297A Granted JPS57188745A (en) | 1981-05-18 | 1981-05-18 | Air-fuel ratio control method |
Country Status (2)
Country | Link |
---|---|
US (1) | US4461261A (US20030157376A1-20030821-M00001.png) |
JP (1) | JPS57188745A (US20030157376A1-20030821-M00001.png) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703430A (en) * | 1983-11-21 | 1987-10-27 | Hitachi, Ltd. | Method controlling air-fuel ratio |
JPS60184946A (ja) * | 1984-03-02 | 1985-09-20 | Toyota Motor Corp | 電子制御デイ−ゼルエンジンの気筒別燃料噴射量制御方法 |
JPS60184945A (ja) * | 1984-03-02 | 1985-09-20 | Toyota Motor Corp | 電子制御デイ−ゼルエンジンの気筒別燃料噴射量制御方法 |
JPS60184947A (ja) * | 1984-03-02 | 1985-09-20 | Toyota Motor Corp | 電子制御デイ−ゼルエンジンの気筒別燃料噴射量制御方法 |
JPS60195342A (ja) * | 1984-03-19 | 1985-10-03 | Hitachi Ltd | エンジン制御装置 |
JPS6131645A (ja) | 1984-07-20 | 1986-02-14 | Fuji Heavy Ind Ltd | 自動車用エンジンの電子制御方式 |
JPS6131644A (ja) * | 1984-07-20 | 1986-02-14 | Fuji Heavy Ind Ltd | 自動車用エンジンの電子制御方式 |
JPS61112765A (ja) * | 1984-07-27 | 1986-05-30 | Fuji Heavy Ind Ltd | 自動車用エンジンの空燃比制御方式 |
JPS6143235A (ja) * | 1984-08-03 | 1986-03-01 | Toyota Motor Corp | 空燃比制御方法 |
JPS6217336A (ja) * | 1985-07-16 | 1987-01-26 | Mazda Motor Corp | エンジンの燃料噴射制御装置 |
GB8525435D0 (en) * | 1985-10-16 | 1985-11-20 | Lucas Elect Electron Syst | Electronic control system |
GB2194359B (en) * | 1986-08-02 | 1990-08-22 | Fuji Heavy Ind Ltd | Air-fuel ratio control system for an automotive engine |
JPS6350643A (ja) * | 1986-08-13 | 1988-03-03 | Fuji Heavy Ind Ltd | エンジンの空燃比制御装置 |
US5158062A (en) * | 1990-12-10 | 1992-10-27 | Ford Motor Company | Adaptive air/fuel ratio control method |
EP1617062B1 (en) * | 2003-04-22 | 2009-10-21 | Toyota Jidosha Kabushiki Kaisha | Air/fuel ratio control device for internal combustion engine |
US7255098B1 (en) | 2006-04-27 | 2007-08-14 | Caterpillar Inc. | Engine emissions control system |
JP6822350B2 (ja) * | 2017-08-30 | 2021-01-27 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55134731A (en) * | 1979-04-05 | 1980-10-20 | Nippon Denso Co Ltd | Controlling method of air-fuel ratio |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2202614A1 (de) * | 1972-01-20 | 1973-08-02 | Bosch Gmbh Robert | Abgasnachverbrennungseinrichtung |
JPS5596339A (en) * | 1979-01-13 | 1980-07-22 | Nippon Denso Co Ltd | Air-fuel ratio control method |
US4235204A (en) * | 1979-04-02 | 1980-11-25 | General Motors Corporation | Fuel control with learning capability for motor vehicle combustion engine |
JPS55134728A (en) * | 1979-04-04 | 1980-10-20 | Nippon Denso Co Ltd | Method for protecting exhaust-gas purifying apparatus from overheat |
JPS55146246A (en) * | 1979-04-26 | 1980-11-14 | Nippon Denso Co Ltd | Method of air fuel ratio feedback controlling |
JPS5945826B2 (ja) * | 1979-05-15 | 1984-11-08 | 日産自動車株式会社 | 内燃機関の燃料供給装置 |
US4265208A (en) * | 1979-05-16 | 1981-05-05 | General Motors Corporation | Closed loop air-fuel ratio controller with air bleed control |
JPS562437A (en) * | 1979-06-19 | 1981-01-12 | Nippon Denso Co Ltd | Air-fuel ratio controller |
JPS5654936A (en) * | 1979-10-10 | 1981-05-15 | Nippon Denso Co Ltd | Control method for air-fuel ratio |
-
1981
- 1981-05-18 JP JP56075297A patent/JPS57188745A/ja active Granted
-
1982
- 1982-05-12 US US06/377,542 patent/US4461261A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55134731A (en) * | 1979-04-05 | 1980-10-20 | Nippon Denso Co Ltd | Controlling method of air-fuel ratio |
Also Published As
Publication number | Publication date |
---|---|
JPS57188745A (en) | 1982-11-19 |
US4461261A (en) | 1984-07-24 |