DE3884630D1 - AIR / FUEL RATIO CONTROL SYSTEM FOR INTERNAL INTERNAL COMBUSTION ENGINE WITH THE ABILITY TO LEARN A CORRECTION COEFFICIENT CONTAINING HIGH-DEPENDENT FACTOR. - Google Patents

AIR / FUEL RATIO CONTROL SYSTEM FOR INTERNAL INTERNAL COMBUSTION ENGINE WITH THE ABILITY TO LEARN A CORRECTION COEFFICIENT CONTAINING HIGH-DEPENDENT FACTOR.

Info

Publication number
DE3884630D1
DE3884630D1 DE91111421T DE3884630T DE3884630D1 DE 3884630 D1 DE3884630 D1 DE 3884630D1 DE 91111421 T DE91111421 T DE 91111421T DE 3884630 T DE3884630 T DE 3884630T DE 3884630 D1 DE3884630 D1 DE 3884630D1
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
DE91111421T
Other languages
German (de)
Other versions
DE3884630T2 (en
Inventor
Naoki 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/en
Priority claimed from JP13182687A external-priority patent/JPS63297752A/en
Application filed by Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Application granted granted Critical
Publication of DE3884630D1 publication Critical patent/DE3884630D1/en
Publication of DE3884630T2 publication Critical patent/DE3884630T2/en
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
DE19883884630 1987-05-28 1988-05-26 Air / fuel ratio control system for internal combustion engines with the ability to learn a correction coefficient containing a height dependent factor. Expired - Fee Related DE3884630T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12989387A JPS63295834A (en) 1987-05-28 1987-05-28 Study control device for air-fuel ratio in internal combustion engine
JP13182687A JPS63297752A (en) 1987-05-29 1987-05-29 Learning controller for air-fuel ratio for internal combustion engine

Publications (2)

Publication Number Publication Date
DE3884630D1 true DE3884630D1 (en) 1993-11-04
DE3884630T2 DE3884630T2 (en) 1994-02-03

Family

ID=26465156

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19883884630 Expired - Fee Related DE3884630T2 (en) 1987-05-28 1988-05-26 Air / fuel ratio control system for internal combustion engines with the ability to learn a correction coefficient containing a height dependent factor.
DE19883872948 Expired - Fee Related DE3872948T2 (en) 1987-05-28 1988-05-26 AIR / FUEL RATIO CONTROL SYSTEM FOR INTERNAL INTERNAL COMBUSTION ENGINE WITH THE ABILITY TO LEARN A CORRECTION COEFFICIENT CONTAINING A HIGH-DEPENDENT FACTOR.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19883872948 Expired - Fee Related DE3872948T2 (en) 1987-05-28 1988-05-26 AIR / FUEL RATIO CONTROL SYSTEM FOR INTERNAL INTERNAL COMBUSTION ENGINE WITH THE ABILITY TO LEARN A CORRECTION COEFFICIENT CONTAINING A HIGH-DEPENDENT FACTOR.

Country Status (2)

Country Link
EP (2) EP0292973B1 (en)
DE (2) DE3884630T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6819257B2 (en) * 2015-12-15 2021-01-27 三菱自動車工業株式会社 Internal combustion engine control device
JP7188360B2 (en) * 2019-11-07 2022-12-13 トヨタ自動車株式会社 engine controller

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 (en) * 1982-03-03 1983-09-06 Toyota Motor Corp Air-fuel ratio storage control method of electronically controlled engine
JPS58195044A (en) * 1982-05-07 1983-11-14 Mitsubishi Electric Corp Air-fuel ratio controlling method
US4495919A (en) * 1984-07-26 1985-01-29 Austin Rover Group Limited Control system for air/fuel ratio adjustment system
JPS6143235A (en) * 1984-08-03 1986-03-01 Toyota Motor Corp Control method of air-fuel ratio
JPH0740202B2 (en) * 1985-07-24 1995-05-01 株式会社日立製作所 Adaptive control method
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
EP0452996A2 (en) 1991-10-23
DE3872948D1 (en) 1992-08-27
EP0292973B1 (en) 1992-07-22
DE3884630T2 (en) 1994-02-03
EP0292973A3 (en) 1989-09-27
EP0452996B1 (en) 1993-09-29
DE3872948T2 (en) 1993-01-14
EP0292973A2 (en) 1988-11-30
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