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
Application number
JP56075297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57188745A (en
Inventor
Shigenori Isomura
Toshio Kondo
Takashi Kaji
Akio Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP56075297A priority Critical patent/JPS57188745A/ja
Priority to US06/377,542 priority patent/US4461261A/en
Publication of JPS57188745A publication Critical patent/JPS57188745A/ja
Publication of JPS6313014B2 publication Critical patent/JPS6313014B2/ja
Granted legal-status Critical Current

Links

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)
JP56075297A 1981-05-18 1981-05-18 Air-fuel ratio control method Granted JPS57188745A (en)

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 (en]) 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 (en])
JP (1) JPS57188745A (en])

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703430A (en) * 1983-11-21 1987-10-27 Hitachi, Ltd. Method controlling air-fuel ratio
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
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
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
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
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
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
JPS55134731A (en) * 1979-04-05 1980-10-20 Nippon Denso Co Ltd Controlling method of air-fuel ratio
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

Also Published As

Publication number Publication date
JPS57188745A (en) 1982-11-19
US4461261A (en) 1984-07-24

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