JPS6480745A - Air-fuel ratio control device for internal combustion engine - Google Patents

Air-fuel ratio control device for internal combustion engine

Info

Publication number
JPS6480745A
JPS6480745A JP62236298A JP23629887A JPS6480745A JP S6480745 A JPS6480745 A JP S6480745A JP 62236298 A JP62236298 A JP 62236298A JP 23629887 A JP23629887 A JP 23629887A JP S6480745 A JPS6480745 A JP S6480745A
Authority
JP
Japan
Prior art keywords
air
fuel ratio
circuit
cylinder pressure
arithmetic circuit
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.)
Pending
Application number
JP62236298A
Other languages
English (en)
Inventor
Hiroshi Takahashi
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP62236298A priority Critical patent/JPS6480745A/ja
Priority to GB8822200A priority patent/GB2210180B/en
Priority to US07/247,292 priority patent/US4887575A/en
Publication of JPS6480745A publication Critical patent/JPS6480745A/ja
Pending 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1405—Neural network 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • 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
    • F02D41/1458—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 determination means using an estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP62236298A 1987-09-22 1987-09-22 Air-fuel ratio control device for internal combustion engine Pending JPS6480745A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP62236298A JPS6480745A (en) 1987-09-22 1987-09-22 Air-fuel ratio control device for internal combustion engine
GB8822200A GB2210180B (en) 1987-09-22 1988-09-21 A system and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine
US07/247,292 US4887575A (en) 1987-09-22 1988-09-22 System and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62236298A JPS6480745A (en) 1987-09-22 1987-09-22 Air-fuel ratio control device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS6480745A true JPS6480745A (en) 1989-03-27

Family

ID=16998720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62236298A Pending JPS6480745A (en) 1987-09-22 1987-09-22 Air-fuel ratio control device for internal combustion engine

Country Status (3)

Country Link
US (1) US4887575A (ja)
JP (1) JPS6480745A (ja)
GB (1) GB2210180B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012180817A (ja) * 2011-03-03 2012-09-20 Toyota Motor Corp 内燃機関の空燃比算出装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02227532A (ja) * 1989-02-28 1990-09-10 Fuji Heavy Ind Ltd 燃料噴射制御装置
US5036669A (en) * 1989-12-26 1991-08-06 Caterpillar Inc. Apparatus and method for controlling the air/fuel ratio of an internal combustion engine
US5107815A (en) * 1990-06-22 1992-04-28 Massachusetts Institute Of Technology Variable air/fuel engine control system with closed-loop control around maximum efficiency and combination of otto-diesel throttling
JP2947420B2 (ja) * 1990-09-25 1999-09-13 ヤマハ発動機株式会社 ２サイクルエンジンの燃料噴射制御装置
JPH04134147A (ja) * 1990-09-26 1992-05-08 Honda Motor Co Ltd 内燃エンジンの空燃比制御方法
DE4330324A1 (de) * 1993-09-08 1995-03-09 Fev Motorentech Gmbh & Co Kg Verfahren zur Bestimmung des Verbrennungsluftverhältnisses eines Kolbenverbrennungsmotors
US5394849A (en) * 1993-12-07 1995-03-07 Unisia Jecs Corporation Method of and an apparatus for controlling the quantity of fuel supplied to an internal combustion engine
EP0810363B1 (en) * 1996-05-28 2004-07-28 Matsushita Electric Industrial Co., Ltd. Air/fuel ratio control apparatus that uses a neural network
AU3482300A (en) 1999-02-04 2000-08-25 Bechtel Bwxt Idaho, Llc Ultrasonic fluid quality sensor system
DE102005054733A1 (de) * 2005-11-17 2007-05-24 Robert Bosch Gmbh Brenner zur Katalysatoraufheizung mit gesteuerter oder geregelter Kraftstoffzuführung
US9279406B2 (en) 2012-06-22 2016-03-08 Illinois Tool Works, Inc. System and method for analyzing carbon build up in an engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939580A1 (de) * 1979-09-29 1981-04-09 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur regelung des zuendzeitpunktes
JPS5990737A (ja) * 1982-11-15 1984-05-25 Nissan Motor Co Ltd 内燃機関の空燃比制御装置
FR2575154B1 (fr) * 1984-12-21 1987-01-23 Atochem Procede de preparation d'anthraquinone
US4690115A (en) * 1985-08-02 1987-09-01 Hoof Products Co. Engine governor
US4624229A (en) * 1985-10-29 1986-11-25 General Motors Corporation Engine combustion control with dilution flow by pressure ratio management
US4789358A (en) * 1986-09-25 1988-12-06 Siemens Aktiengesellschaft Cable plug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012180817A (ja) * 2011-03-03 2012-09-20 Toyota Motor Corp 内燃機関の空燃比算出装置

Also Published As

Publication number Publication date
GB2210180B (en) 1992-04-15
GB8822200D0 (en) 1988-10-26
GB2210180A (en) 1989-06-01
US4887575A (en) 1989-12-19

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