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JPS56126647A - Air-fuel ratio controlling apparatus - Google Patents

Air-fuel ratio controlling apparatus

Info

Publication number
JPS56126647A
JPS56126647A JP2933080A JP2933080A JPS56126647A JP S56126647 A JPS56126647 A JP S56126647A JP 2933080 A JP2933080 A JP 2933080A JP 2933080 A JP2933080 A JP 2933080A JP S56126647 A JPS56126647 A JP S56126647A
Authority
JP
Japan
Prior art keywords
state
transition
air
fuel ratio
control 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.)
Granted
Application number
JP2933080A
Other languages
English (en)
Other versions
JPS6360216B2 (ja
Inventor
Masaaki Ogami
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
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Fuji Heavy Industries 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, Fuji Heavy Industries Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2933080A priority Critical patent/JPS56126647A/ja
Priority to US06/240,690 priority patent/US4402293A/en
Priority to GB8107062A priority patent/GB2071361B/en
Priority to DE3108577A priority patent/DE3108577C2/de
Priority to FR8104655A priority patent/FR2477638A1/fr
Publication of JPS56126647A publication Critical patent/JPS56126647A/ja
Publication of JPS6360216B2 publication Critical patent/JPS6360216B2/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
    • F02D41/02—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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
    • 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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/149—Replacing of the control value by an other parameter
    • 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
    • F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal

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)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2933080A 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus Granted JPS56126647A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2933080A JPS56126647A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus
US06/240,690 US4402293A (en) 1980-03-07 1981-03-05 Air-fuel ratio control system
GB8107062A GB2071361B (en) 1980-03-07 1981-03-06 Air-fuel ratio control system
DE3108577A DE3108577C2 (de) 1980-03-07 1981-03-06 Regelsystem für das Kraftstoff-Luft-Verhältnis einer Brennkraftmaschine
FR8104655A FR2477638A1 (fr) 1980-03-07 1981-03-09 Dispositif de commande de carburation pour un moteur a combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2933080A JPS56126647A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus

Publications (2)

Publication Number Publication Date
JPS56126647A true JPS56126647A (en) 1981-10-03
JPS6360216B2 JPS6360216B2 (ja) 1988-11-22

Family

ID=12273212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2933080A Granted JPS56126647A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus

Country Status (5)

Country Link
US (1) US4402293A (ja)
JP (1) JPS56126647A (ja)
DE (1) DE3108577C2 (ja)
FR (1) FR2477638A1 (ja)
GB (1) GB2071361B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108854A (ja) * 1984-10-31 1986-05-27 Suzuki Motor Co Ltd 内燃機関の空燃比制御方法
JPS6326746U (ja) * 1986-08-06 1988-02-22
US5052177A (en) * 1989-03-03 1991-10-01 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5070692A (en) * 1989-12-29 1991-12-10 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5070693A (en) * 1989-11-21 1991-12-10 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5172320A (en) * 1989-03-03 1992-12-15 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623533A (en) * 1979-08-02 1981-03-05 Fuji Heavy Ind Ltd Air-fuel ratio controller
JPS58150047A (ja) * 1982-03-03 1983-09-06 Hitachi Ltd 内燃機関の燃料噴射制御装置
JPS59201946A (ja) * 1983-04-28 1984-11-15 Honda Motor Co Ltd 内燃エンジンの空燃比制御装置
DE3336894A1 (de) * 1983-10-11 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur lambda-regelung bei einer brennkraftmaschine
JP2806501B2 (ja) * 1987-03-23 1998-09-30 富士重工業株式会社 エンジンの空燃比制御装置
US4867125A (en) * 1988-09-20 1989-09-19 Ford Motor Company Air/fuel ratio control system
US5325711A (en) * 1993-07-06 1994-07-05 Ford Motor Company Air-fuel modulation for oxygen sensor monitoring
US5503134A (en) * 1993-10-04 1996-04-02 Ford Motor Company Fuel controller with air/fuel transient compensation
US7082935B2 (en) * 2004-10-14 2006-08-01 General Motors Corporation Apparatus and methods for closed loop fuel control
US7809490B2 (en) * 2007-08-17 2010-10-05 Gm Global Technology Operations, Inc. Phase and frequency error based asymmetrical AFR pulse reference tracking algorithm using the pre-catalyst O2 sensor switching output

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524361A (en) * 1974-10-21 1978-09-13 Nissan Motor Apparatus for controlling the air-fuel mixture ratio of internal combustion engine
JPS5534293Y2 (ja) * 1975-03-24 1980-08-14
US4131091A (en) * 1975-10-27 1978-12-26 Nissan Motor Company, Ltd. Variable gain closed-loop control apparatus for internal combustion engines
JPS5297030A (en) * 1976-02-12 1977-08-15 Nissan Motor Co Ltd Air fuel ratio controller
DE2649271C2 (de) * 1976-06-11 1985-08-08 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Verhinderung von Regelschwingungen bei einer eine Brennkraftmaschine mit Betriebsgemisch versorgenden Gemischaufbereitungsanlage
JPS589261B2 (ja) * 1976-09-24 1983-02-19 日産自動車株式会社 空燃比制御装置
GB1567284A (en) * 1976-12-27 1980-05-14 Nissan Motor Closed loop control system equipped with circuitry for temporarirly disabling the system in accordance with given engine parameters
JPS5549550A (en) * 1978-10-02 1980-04-10 Aisan Ind Co Ltd Air-fuel ratio control device
JPS5623531A (en) * 1979-08-02 1981-03-05 Fuji Heavy Ind Ltd Air-fuel ratio controller

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108854A (ja) * 1984-10-31 1986-05-27 Suzuki Motor Co Ltd 内燃機関の空燃比制御方法
JPS6326746U (ja) * 1986-08-06 1988-02-22
JPH0528364Y2 (ja) * 1986-08-06 1993-07-21
US5052177A (en) * 1989-03-03 1991-10-01 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5172320A (en) * 1989-03-03 1992-12-15 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5070693A (en) * 1989-11-21 1991-12-10 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
US5070692A (en) * 1989-12-29 1991-12-10 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter

Also Published As

Publication number Publication date
DE3108577A1 (de) 1982-01-28
FR2477638A1 (fr) 1981-09-11
JPS6360216B2 (ja) 1988-11-22
US4402293A (en) 1983-09-06
FR2477638B1 (ja) 1984-06-01
DE3108577C2 (de) 1985-05-02
GB2071361B (en) 1984-02-08
GB2071361A (en) 1981-09-16

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