JPS639094B2 - - Google Patents

Info

Publication number
JPS639094B2
JPS639094B2 JP57090659A JP9065982A JPS639094B2 JP S639094 B2 JPS639094 B2 JP S639094B2 JP 57090659 A JP57090659 A JP 57090659A JP 9065982 A JP9065982 A JP 9065982A JP S639094 B2 JPS639094 B2 JP S639094B2
Authority
JP
Japan
Prior art keywords
value
circuit
air
oxygen concentration
fuel ratio
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
Application number
JP57090659A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58222939A (ja
Inventor
Shunpei Hasegawa
Akihiro Yamato
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 JP57090659A priority Critical patent/JPS58222939A/ja
Priority to US06/498,951 priority patent/US4502443A/en
Publication of JPS58222939A publication Critical patent/JPS58222939A/ja
Publication of JPS639094B2 publication Critical patent/JPS639094B2/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
    • F02D41/1491—Replacing of the control value by a mean value
    • 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

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)
JP57090659A 1982-05-28 1982-05-28 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 Granted JPS58222939A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57090659A JPS58222939A (ja) 1982-05-28 1982-05-28 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
US06/498,951 US4502443A (en) 1982-05-28 1983-05-27 Air/fuel ratio control method having fail-safe function for abnormalities in oxygen concentration detecting means for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57090659A JPS58222939A (ja) 1982-05-28 1982-05-28 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

Publications (2)

Publication Number Publication Date
JPS58222939A JPS58222939A (ja) 1983-12-24
JPS639094B2 true JPS639094B2 (US06650917-20031118-M00005.png) 1988-02-25

Family

ID=14004651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57090659A Granted JPS58222939A (ja) 1982-05-28 1982-05-28 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

Country Status (2)

Country Link
US (1) US4502443A (US06650917-20031118-M00005.png)
JP (1) JPS58222939A (US06650917-20031118-M00005.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6366392U (US06650917-20031118-M00005.png) * 1986-10-21 1988-05-02

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60156953A (ja) * 1984-01-27 1985-08-17 Hitachi Ltd 電子式内燃機関制御装置
JPS60192850A (ja) * 1984-03-14 1985-10-01 Fuji Heavy Ind Ltd 空燃比制御装置
JPS60252134A (ja) * 1984-05-28 1985-12-12 Hitachi Ltd 空燃比制御方法
JPS6181541A (ja) * 1984-09-19 1986-04-25 Honda Motor Co Ltd 内燃エンジンの排気ガス濃度検出系の異常検出方法
US4739614A (en) * 1985-02-22 1988-04-26 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system in internal combustion engine
USRE33942E (en) * 1985-02-22 1992-06-02 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system in internal combustion engine
GB8525435D0 (en) * 1985-10-16 1985-11-20 Lucas Elect Electron Syst Electronic control system
JPH0674766B2 (ja) * 1985-11-04 1994-09-21 日本電装株式会社 電子式エンジン制御システムの異常検出装置
JP2532205B2 (ja) * 1985-11-29 1996-09-11 富士重工業株式会社 エンジンの空燃比学習制御方法
US4747265A (en) * 1985-12-23 1988-05-31 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved exhaust emission characteristics
JP2564510B2 (ja) * 1985-12-25 1996-12-18 本田技研工業株式会社 内燃エンジンの排気ガス濃度センサの異常検出方法
US4671243A (en) * 1986-02-28 1987-06-09 Motorola, Inc. Oxygen sensor fault detection and response system
JPH079417B2 (ja) * 1986-03-27 1995-02-01 本田技研工業株式会社 酸素濃度センサの異常検出方法
JPH073403B2 (ja) * 1986-03-27 1995-01-18 本田技研工業株式会社 酸素濃度センサの異常検出方法
JPH073404B2 (ja) * 1986-03-27 1995-01-18 本田技研工業株式会社 酸素濃度センサの異常検出方法
DE3627437C2 (de) * 1986-08-13 1994-05-26 Bayerische Motoren Werke Ag Schutzvorrichtung für einen Abgas-Katalysator einer Brennkraftmaschine mit einer Lambda-Regeleinrichtung
JP2526591B2 (ja) * 1987-07-20 1996-08-21 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2600208B2 (ja) * 1987-10-20 1997-04-16 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP3009668B2 (ja) * 1988-03-01 2000-02-14 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2630372B2 (ja) * 1988-03-18 1997-07-16 本田技研工業株式会社 内燃エンジンの排気成分濃度検出器の活性化判別方法
US4970858A (en) * 1988-03-30 1990-11-20 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor
JPH0318644A (ja) * 1989-06-16 1991-01-28 Japan Electron Control Syst Co Ltd 内燃機関の燃料供給制御装置における空燃比検出診断装置
KR970010317B1 (ko) * 1989-06-16 1997-06-25 니뽄 도꾸슈 도교오 가부시끼가이샤 공연비 제어장치
JPH03134240A (ja) * 1989-10-18 1991-06-07 Japan Electron Control Syst Co Ltd 内燃機関の空燃比フィードバック制御装置
EP0531544B1 (en) * 1991-03-28 1995-03-15 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Controller of internal combustion engine
JP3348434B2 (ja) * 1991-05-17 2002-11-20 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US5094214A (en) * 1991-06-05 1992-03-10 General Motors Corporation Vehicle engine fuel system diagnostics
DE4139561A1 (de) * 1991-11-30 1993-06-03 Bosch Gmbh Robert Verfahren und vorrichtung zum ueberwachen des alterungszustandes einer sauerstoffsonde
DE4203502A1 (de) * 1992-02-07 1993-08-12 Bosch Gmbh Robert Verfahren und vorrichtung zum beurteilen der funktionsfaehigkeit einer lambdaregelung
IT1261114B (it) * 1993-11-12 1996-05-09 Weber Srl Sistema elettronico di calcolo del titolo miscela.
US7899606B2 (en) * 2008-10-17 2011-03-01 Alfred Manuel Bartick Fuel/air mixture control device and method
US8186336B2 (en) * 2009-09-29 2012-05-29 GM Global Technology Operations LLC Fuel control system and method for improved response to feedback from an exhaust system
DE102011003106B4 (de) * 2011-01-25 2023-02-16 Robert Bosch Gmbh Verfahren zur Überwachung der Freigabe eines Systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5281436A (en) * 1975-12-27 1977-07-07 Nissan Motor Co Ltd Air fuel ratio controller
JPS5786540A (en) * 1980-11-17 1982-05-29 Toyota Motor Corp Air fuel ratio controller for internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938479A (en) * 1974-09-30 1976-02-17 The Bendix Corporation Exhaust gas sensor operating temperature detection system
US4252098A (en) * 1978-08-10 1981-02-24 Chrysler Corporation Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor
US4248196A (en) * 1979-05-01 1981-02-03 The Bendix Corporation Open loop compensation circuit
JPS608328B2 (ja) * 1979-05-31 1985-03-02 日産自動車株式会社 空燃比帰還制御装置
JPS5744752A (en) * 1980-09-01 1982-03-13 Toyota Motor Corp Method of controlling air fuel ratio of internal combustion engine
JPS5770931A (en) * 1980-10-06 1982-05-01 Honda Motor Co Ltd Trouble backup device for air fuel ratio feddback controller of internal combustion engine
JPS5770932A (en) * 1980-10-07 1982-05-01 Honda Motor Co Ltd Warming-up detector for air fuel ratio controller of internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5281436A (en) * 1975-12-27 1977-07-07 Nissan Motor Co Ltd Air fuel ratio controller
JPS5786540A (en) * 1980-11-17 1982-05-29 Toyota Motor Corp Air fuel ratio controller for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6366392U (US06650917-20031118-M00005.png) * 1986-10-21 1988-05-02

Also Published As

Publication number Publication date
US4502443A (en) 1985-03-05
JPS58222939A (ja) 1983-12-24

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