DE3872948D1 - Luft/kraftstoff-verhaeltnis-steuersystem fuer innenbrennkraftmaschine mit der faehigkeit einen einen hoehenabhaengigen faktor enthaltenden korrektionskoeffizienten zu lernen. - Google Patents

Luft/kraftstoff-verhaeltnis-steuersystem fuer innenbrennkraftmaschine mit der faehigkeit einen einen hoehenabhaengigen faktor enthaltenden korrektionskoeffizienten zu lernen.

Info

Publication number
DE3872948D1
DE3872948D1 DE8888108437T DE3872948T DE3872948D1 DE 3872948 D1 DE3872948 D1 DE 3872948D1 DE 8888108437 T DE8888108437 T DE 8888108437T DE 3872948 T DE3872948 T DE 3872948T DE 3872948 D1 DE3872948 D1 DE 3872948D1
Authority
DE
Germany
Prior art keywords
internal
learn
ability
control system
combustion engine
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 - Fee Related
Application number
DE8888108437T
Other languages
English (en)
Other versions
DE3872948T2 (de
Inventor
Ltd Tomisawa
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
Priority claimed from JP12989387A external-priority patent/JPS63295834A/ja
Priority claimed from JP13182687A external-priority patent/JPS63297752A/ja
Application filed by Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Publication of DE3872948D1 publication Critical patent/DE3872948D1/de
Application granted granted Critical
Publication of DE3872948T2 publication Critical patent/DE3872948T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/2441—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
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • 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
    • F02D41/2448—Prohibition of 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
    • F02D41/2477—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)
DE19883872948 1987-05-28 1988-05-26 Luft/kraftstoff-verhaeltnis-steuersystem fuer innenbrennkraftmaschine mit der faehigkeit einen einen hoehenabhaengigen faktor enthaltenden korrektionskoeffizienten zu lernen. Expired - Fee Related DE3872948T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12989387A JPS63295834A (ja) 1987-05-28 1987-05-28 内燃機関の空燃比の学習制御装置
JP13182687A JPS63297752A (ja) 1987-05-29 1987-05-29 内燃機関の空燃比の学習制御装置

Publications (2)

Publication Number Publication Date
DE3872948D1 true DE3872948D1 (de) 1992-08-27
DE3872948T2 DE3872948T2 (de) 1993-01-14

Family

ID=26465156

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19883884630 Expired - Fee Related DE3884630T2 (de) 1987-05-28 1988-05-26 Luft/Kraftstoff-Verhältnissteuersystem für Innenbrennkraftmaschine mit der Fähigkeit einen höhenabhängigen Faktor enthaltenden Korrektionskoeffizienten zu erlernen.
DE19883872948 Expired - Fee Related DE3872948T2 (de) 1987-05-28 1988-05-26 Luft/kraftstoff-verhaeltnis-steuersystem fuer innenbrennkraftmaschine mit der faehigkeit einen einen hoehenabhaengigen faktor enthaltenden korrektionskoeffizienten zu lernen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19883884630 Expired - Fee Related DE3884630T2 (de) 1987-05-28 1988-05-26 Luft/Kraftstoff-Verhältnissteuersystem für Innenbrennkraftmaschine mit der Fähigkeit einen höhenabhängigen Faktor enthaltenden Korrektionskoeffizienten zu erlernen.

Country Status (2)

Country Link
EP (2) EP0452996B1 (de)
DE (2) DE3884630T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6819257B2 (ja) * 2015-12-15 2021-01-27 三菱自動車工業株式会社 内燃機関の制御装置
JP7188360B2 (ja) * 2019-11-07 2022-12-13 トヨタ自動車株式会社 エンジン制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675936A (en) * 1979-11-27 1981-06-23 Toyota Motor Corp Air fuel ratio controlling method in internal combustion engine
JPS58150039A (ja) * 1982-03-03 1983-09-06 Toyota Motor Corp 電子制御機関の空燃比の学習制御方法
JPS58195044A (ja) * 1982-05-07 1983-11-14 Mitsubishi Electric Corp 空燃比制御方法
US4495919A (en) * 1984-07-26 1985-01-29 Austin Rover Group Limited Control system for air/fuel ratio adjustment system
JPS6143235A (ja) * 1984-08-03 1986-03-01 Toyota Motor Corp 空燃比制御方法
JPH0740202B2 (ja) * 1985-07-24 1995-05-01 株式会社日立製作所 適応制御方法
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

Also Published As

Publication number Publication date
DE3884630T2 (de) 1994-02-03
EP0292973A2 (de) 1988-11-30
EP0452996A2 (de) 1991-10-23
DE3872948T2 (de) 1993-01-14
EP0292973A3 (en) 1989-09-27
EP0292973B1 (de) 1992-07-22
EP0452996B1 (de) 1993-09-29
DE3884630D1 (de) 1993-11-04
EP0452996A3 (en) 1991-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee