JPS56126649A - Air-fuel ratio controlling apparatus - Google Patents

Air-fuel ratio controlling apparatus

Info

Publication number
JPS56126649A
JPS56126649A JP2933680A JP2933680A JPS56126649A JP S56126649 A JPS56126649 A JP S56126649A JP 2933680 A JP2933680 A JP 2933680A JP 2933680 A JP2933680 A JP 2933680A JP S56126649 A JPS56126649 A JP S56126649A
Authority
JP
Japan
Prior art keywords
fuel ratio
air
level
reference voltage
wave form
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
JP2933680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6321018B2 (enrdf_load_stackoverflow
Inventor
Masaaki Ogami
Fujio Matsui
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 JP2933680A priority Critical patent/JPS56126649A/ja
Priority to DE19813108581 priority patent/DE3108581C2/de
Priority to GB8107063A priority patent/GB2071362B/en
Priority to FR8104656A priority patent/FR2477639B1/fr
Publication of JPS56126649A publication Critical patent/JPS56126649A/ja
Publication of JPS6321018B2 publication Critical patent/JPS6321018B2/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
    • F02D41/24—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
    • 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

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)
JP2933680A 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus Granted JPS56126649A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2933680A JPS56126649A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus
DE19813108581 DE3108581C2 (de) 1980-03-07 1981-03-06 Regelsystem für das Kraftstoff-Luft-Verhältnis einer Verbrennungskraftmaschine
GB8107063A GB2071362B (en) 1980-03-07 1981-03-06 Air-fuel ratio control system
FR8104656A FR2477639B1 (fr) 1980-03-07 1981-03-09 Dispositif de commande du rapport air/carburant pour un moteur a combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2933680A JPS56126649A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus

Publications (2)

Publication Number Publication Date
JPS56126649A true JPS56126649A (en) 1981-10-03
JPS6321018B2 JPS6321018B2 (enrdf_load_stackoverflow) 1988-05-02

Family

ID=12273385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2933680A Granted JPS56126649A (en) 1980-03-07 1980-03-07 Air-fuel ratio controlling apparatus

Country Status (1)

Country Link
JP (1) JPS56126649A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS6321018B2 (enrdf_load_stackoverflow) 1988-05-02

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