JPH0226052B2 - - Google Patents

Info

Publication number
JPH0226052B2
JPH0226052B2 JP58076221A JP7622183A JPH0226052B2 JP H0226052 B2 JPH0226052 B2 JP H0226052B2 JP 58076221 A JP58076221 A JP 58076221A JP 7622183 A JP7622183 A JP 7622183A JP H0226052 B2 JPH0226052 B2 JP H0226052B2
Authority
JP
Japan
Prior art keywords
correction coefficient
fuel ratio
air
injection amount
learning
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 - Lifetime
Application number
JP58076221A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59203828A (ja
Inventor
Naomi Tomizawa
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.)
Hitachi Unisia Automotive Ltd
Original Assignee
Japan Electronic Control Systems 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP7622183A priority Critical patent/JPS59203828A/ja
Priority to US06/604,025 priority patent/US4615319A/en
Priority to GB08411096A priority patent/GB2141839B/en
Publication of JPS59203828A publication Critical patent/JPS59203828A/ja
Publication of JPH0226052B2 publication Critical patent/JPH0226052B2/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
    • F02D41/2406—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
    • 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
    • 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

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)
JP7622183A 1983-05-02 1983-05-02 電子制御燃料噴射式内燃機関における空燃比の学習制御装置 Granted JPS59203828A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7622183A JPS59203828A (ja) 1983-05-02 1983-05-02 電子制御燃料噴射式内燃機関における空燃比の学習制御装置
US06/604,025 US4615319A (en) 1983-05-02 1984-04-26 Apparatus for learning control of air-fuel ratio of airfuel mixture in electronically controlled fuel injection type internal combustion engine
GB08411096A GB2141839B (en) 1983-05-02 1984-05-01 Automatic control of the air-fuel mixture ratio in an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7622183A JPS59203828A (ja) 1983-05-02 1983-05-02 電子制御燃料噴射式内燃機関における空燃比の学習制御装置

Publications (2)

Publication Number Publication Date
JPS59203828A JPS59203828A (ja) 1984-11-19
JPH0226052B2 true JPH0226052B2 (bs) 1990-06-07

Family

ID=13599121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7622183A Granted JPS59203828A (ja) 1983-05-02 1983-05-02 電子制御燃料噴射式内燃機関における空燃比の学習制御装置

Country Status (1)

Country Link
JP (1) JPS59203828A (bs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655188A (en) * 1984-01-24 1987-04-07 Japan Electronic Control Systems Co., Ltd. Apparatus for learning control of air-fuel ratio of air-fuel mixture in electronically controlled fuel injection type internal combustion engine
JPH07107376B2 (ja) 1984-11-29 1995-11-15 富士重工業株式会社 自動車用エンジンの学習制御方法
US4729359A (en) * 1985-06-28 1988-03-08 Japan Electronic Control Systems Co., Ltd. Learning and control apparatus for electronically controlled internal combustion engine
US4715344A (en) * 1985-08-05 1987-12-29 Japan Electronic Control Systems, Co., Ltd. Learning and control apparatus for electronically controlled internal combustion engine
JPS61190141A (ja) * 1985-09-12 1986-08-23 Japan Electronic Control Syst Co Ltd 内燃機関の学習制御装置
JPS61190142A (ja) * 1985-09-12 1986-08-23 Japan Electronic Control Syst Co Ltd 内燃機関の学習制御装置
JPH0713491B2 (ja) * 1986-06-04 1995-02-15 本田技研工業株式会社 内燃エンジンの空燃比制御方法
US4850326A (en) * 1986-10-21 1989-07-25 Japan Electronic Control Systems, Co., Ltd. Apparatus for learning and controlling air/fuel ratio in internal combustion engine
US4854287A (en) * 1986-10-21 1989-08-08 Japan Electronic Control Systems Co., Ltd. Apparatus for learning and controlling air/fuel ratio in internal combustion engine
US4957705A (en) * 1986-11-10 1990-09-18 Japan Electronic Control Systems Co., Ltd. Oxygen gas concentration-detecting apparatus
JPS63255541A (ja) * 1987-04-14 1988-10-21 Japan Electronic Control Syst Co Ltd 内燃機関の空燃比制御装置
JP2582804B2 (ja) * 1987-10-08 1997-02-19 富士通テン株式会社 内燃機関の燃料噴射量制御装置
JPH01221654A (ja) * 1988-03-01 1989-09-05 Japan Electron Control Syst Co Ltd 内燃機関用酸素センサ
JP3581762B2 (ja) * 1996-06-20 2004-10-27 トヨタ自動車株式会社 内燃機関の空燃比制御装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476723A (en) * 1977-12-01 1979-06-19 Nissan Motor Co Ltd Device of controlling number of idling revolution of internal combustion engine
JPS5596339A (en) * 1979-01-13 1980-07-22 Nippon Denso Co Ltd Air-fuel ratio control method
JPS56110539A (en) * 1980-02-01 1981-09-01 Toyota Motor Corp Controlling method for internal combustion engine
JPS56121842A (en) * 1980-02-28 1981-09-24 Toyota Motor Corp Engine control method
JPS57210137A (en) * 1981-05-15 1982-12-23 Honda Motor Co Ltd Feedback control device of air-fuel ratio in internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476723A (en) * 1977-12-01 1979-06-19 Nissan Motor Co Ltd Device of controlling number of idling revolution of internal combustion engine
JPS5596339A (en) * 1979-01-13 1980-07-22 Nippon Denso Co Ltd Air-fuel ratio control method
JPS56110539A (en) * 1980-02-01 1981-09-01 Toyota Motor Corp Controlling method for internal combustion engine
JPS56121842A (en) * 1980-02-28 1981-09-24 Toyota Motor Corp Engine control method
JPS57210137A (en) * 1981-05-15 1982-12-23 Honda Motor Co Ltd Feedback control device of air-fuel ratio in internal combustion engine

Also Published As

Publication number Publication date
JPS59203828A (ja) 1984-11-19

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