JPS5770931A - Trouble backup device for air fuel ratio feddback controller of internal combustion engine - Google Patents

Trouble backup device for air fuel ratio feddback controller of internal combustion engine

Info

Publication number
JPS5770931A
JPS5770931A JP55140046A JP14004680A JPS5770931A JP S5770931 A JPS5770931 A JP S5770931A JP 55140046 A JP55140046 A JP 55140046A JP 14004680 A JP14004680 A JP 14004680A JP S5770931 A JPS5770931 A JP S5770931A
Authority
JP
Japan
Prior art keywords
trouble
fuel ratio
air fuel
pulse motor
reference position
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
JP55140046A
Other languages
English (en)
Other versions
JPH0154535B2 (ja
Inventor
Kazuo Otsuka
Shin Narasaka
Shunpei Hasegawa
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.)
Honda Motor Co Ltd
Original Assignee
Honda 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP55140046A priority Critical patent/JPS5770931A/ja
Priority to US06/307,445 priority patent/US4414950A/en
Publication of JPS5770931A publication Critical patent/JPS5770931A/ja
Publication of JPH0154535B2 publication Critical patent/JPH0154535B2/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
    • F02D41/1489—Replacing of the control value by a constant
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP55140046A 1980-10-06 1980-10-06 Trouble backup device for air fuel ratio feddback controller of internal combustion engine Granted JPS5770931A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55140046A JPS5770931A (en) 1980-10-06 1980-10-06 Trouble backup device for air fuel ratio feddback controller of internal combustion engine
US06/307,445 US4414950A (en) 1980-10-06 1981-10-01 Fail safe device for air/fuel ratio feedback control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55140046A JPS5770931A (en) 1980-10-06 1980-10-06 Trouble backup device for air fuel ratio feddback controller of internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5770931A true JPS5770931A (en) 1982-05-01
JPH0154535B2 JPH0154535B2 (ja) 1989-11-20

Family

ID=15259713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55140046A Granted JPS5770931A (en) 1980-10-06 1980-10-06 Trouble backup device for air fuel ratio feddback controller of internal combustion engine

Country Status (2)

Country Link
US (1) US4414950A (ja)
JP (1) JPS5770931A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3305725A1 (de) * 1983-02-18 1984-08-23 Bayerische Motoren Werke AG, 8000 München Antriebsvorrichtung fuer eine klappe in kraftfahrzeugen
JPS6169308A (ja) * 1985-08-09 1986-04-09 Hitachi Ltd 車両自動運転方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222939A (ja) * 1982-05-28 1983-12-24 Honda Motor Co Ltd 内燃エンジンの酸素濃度検出系故障時の空燃比制御方法
JPS5929735A (ja) * 1982-08-13 1984-02-17 Honda Motor Co Ltd 多気筒内燃エンジンの制御方法
JPS59190450A (ja) * 1983-04-11 1984-10-29 Honda Motor Co Ltd 車載内燃エンジンの空燃比制御装置
JPS59206645A (ja) * 1983-05-10 1984-11-22 Toyota Motor Corp 電子制御エンジンのアイドル回転速度制御方法
JPS603447A (ja) * 1983-06-22 1985-01-09 Honda Motor Co Ltd 内燃エンジンの回転角度位置計測系異常時のアイドル回転数制御方法
DE3435465A1 (de) * 1984-08-03 1986-02-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur eigendiagnose von stellgliedern
US4771755A (en) * 1986-01-22 1988-09-20 Honda Giken Kogyo K.K. Abnormality detecting method for air-fuel ratio control system for internal combustion engines
US4796651A (en) * 1988-03-30 1989-01-10 LeRoy D. Ginn Variable gas volume flow measuring and control methods and apparatus
JPH03202767A (ja) * 1989-06-15 1991-09-04 Honda Motor Co Ltd 内燃エンジンの排気ガス濃度検出器の劣化検出方法
DE59002933D1 (de) * 1989-07-07 1993-11-04 Bosch Gmbh Robert System zur steuerung einer brennkraftmaschine.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50100431A (ja) * 1974-01-11 1975-08-09
JPS52134931A (en) * 1976-05-07 1977-11-11 Hitachi Ltd Air-to-fuel ratio feedback system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2301354C3 (de) * 1973-01-12 1981-03-12 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln des Kraftstoff-Luftverhältnisses bei Brennkraftmaschinen
JPS6014182B2 (ja) * 1975-11-11 1985-04-11 株式会社日本自動車部品総合研究所 空気流量調整装置
JPS54105619A (en) * 1978-02-06 1979-08-18 Nissan Motor Co Ltd Emergency annunciator for air fuel ratio controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50100431A (ja) * 1974-01-11 1975-08-09
JPS52134931A (en) * 1976-05-07 1977-11-11 Hitachi Ltd Air-to-fuel ratio feedback system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3305725A1 (de) * 1983-02-18 1984-08-23 Bayerische Motoren Werke AG, 8000 München Antriebsvorrichtung fuer eine klappe in kraftfahrzeugen
JPS6169308A (ja) * 1985-08-09 1986-04-09 Hitachi Ltd 車両自動運転方法

Also Published As

Publication number Publication date
JPH0154535B2 (ja) 1989-11-20
US4414950A (en) 1983-11-15

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