DE3726867C2 - - Google Patents

Info

Publication number
DE3726867C2
DE3726867C2 DE3726867A DE3726867A DE3726867C2 DE 3726867 C2 DE3726867 C2 DE 3726867C2 DE 3726867 A DE3726867 A DE 3726867A DE 3726867 A DE3726867 A DE 3726867A DE 3726867 C2 DE3726867 C2 DE 3726867C2
Authority
DE
Germany
Prior art keywords
learning
correction coefficient
injection pulse
mixture ratio
operating conditions
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
DE3726867A
Other languages
German (de)
English (en)
Other versions
DE3726867A1 (de
Inventor
Hiroshi Hoya Tokio/Tokyo Jp Ohishi
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
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 Fuji Jukogyo KK filed Critical Fuji Jukogyo KK
Publication of DE3726867A1 publication Critical patent/DE3726867A1/de
Application granted granted Critical
Publication of DE3726867C2 publication Critical patent/DE3726867C2/de
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
    • F02D41/2451—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

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)
DE19873726867 1986-08-13 1987-08-12 Gemischverhaeltnissteuersystem fuer einen kraftfahrzeugmotor Granted DE3726867A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61191016A JPS6350643A (ja) 1986-08-13 1986-08-13 エンジンの空燃比制御装置

Publications (2)

Publication Number Publication Date
DE3726867A1 DE3726867A1 (de) 1988-02-18
DE3726867C2 true DE3726867C2 (OSRAM) 1990-01-11

Family

ID=16267478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873726867 Granted DE3726867A1 (de) 1986-08-13 1987-08-12 Gemischverhaeltnissteuersystem fuer einen kraftfahrzeugmotor

Country Status (4)

Country Link
US (1) US4771753A (OSRAM)
JP (1) JPS6350643A (OSRAM)
DE (1) DE3726867A1 (OSRAM)
GB (1) GB2194078B (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63285239A (ja) * 1987-05-15 1988-11-22 Hitachi Ltd 内燃機関における空燃比の過渡学習制御装置
JPS63190541U (OSRAM) * 1987-05-27 1988-12-08
US4926826A (en) * 1987-08-31 1990-05-22 Japan Electronic Control Systems Co., Ltd. Electric air-fuel ratio control apparatus for use in internal combustion engine
JP2582586B2 (ja) * 1987-09-11 1997-02-19 株式会社ユニシアジェックス 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
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
DE19858058B4 (de) * 1998-12-16 2009-06-10 Robert Bosch Gmbh Kraftstoffversorgungssystem für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs
DE102011085750A1 (de) * 2010-11-11 2012-05-16 Schaeffler Technologies Gmbh & Co. Kg Verfahren zur Steuerung einer automatisierten Kupplung oder eines automatisierten Getriebes oder einer Antriebseinheit in einem Fahrzeug
EP2784610B1 (en) * 2011-11-22 2016-12-21 Toyota Jidosha Kabushiki Kaisha Feedback control system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57105530A (en) * 1980-12-23 1982-07-01 Toyota Motor Corp Air-fuel ratio controlling method for internal combustion engine
JPS57122135A (en) * 1981-01-22 1982-07-29 Toyota Motor Corp Air fuel ratio control method
JPS57188745A (en) * 1981-05-18 1982-11-19 Nippon Denso Co Ltd Air-fuel ratio control method
JPS5954750A (ja) * 1982-09-20 1984-03-29 Mazda Motor Corp エンジンの燃料制御装置
JPS59138738A (ja) * 1983-01-28 1984-08-09 Nippon Denso Co Ltd 内燃機関の空燃比制御方法
JPS6125950A (ja) * 1984-07-13 1986-02-05 Fuji Heavy Ind Ltd 自動車用エンジンの電子制御方式
JPS6125949A (ja) * 1984-07-13 1986-02-05 Fuji Heavy Ind Ltd 自動車用エンジンの電子制御方法
JP2554854B2 (ja) * 1984-07-27 1996-11-20 富士重工業株式会社 自動車用エンジンの学習制御方法
JPS6143235A (ja) * 1984-08-03 1986-03-01 Toyota Motor Corp 空燃比制御方法
GB2194359B (en) * 1986-08-02 1990-08-22 Fuji Heavy Ind Ltd Air-fuel ratio control system for an automotive engine

Also Published As

Publication number Publication date
GB8718714D0 (en) 1987-09-16
GB2194078A (en) 1988-02-24
DE3726867A1 (de) 1988-02-18
US4771753A (en) 1988-09-20
JPS6350643A (ja) 1988-03-03
GB2194078B (en) 1990-08-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee