JPH0526938B2 - - Google Patents

Info

Publication number
JPH0526938B2
JPH0526938B2 JP59153789A JP15378984A JPH0526938B2 JP H0526938 B2 JPH0526938 B2 JP H0526938B2 JP 59153789 A JP59153789 A JP 59153789A JP 15378984 A JP15378984 A JP 15378984A JP H0526938 B2 JPH0526938 B2 JP H0526938B2
Authority
JP
Japan
Prior art keywords
air
fuel ratio
ratio sensor
deterioration
engine
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 - Lifetime
Application number
JP59153789A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6131640A (ja
Inventor
Kimitaka Saito
Kenji Iwamoto
Hideki Oohayashi
Takeshi Matsuyama
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP15378984A priority Critical patent/JPS6131640A/ja
Priority to US06/757,846 priority patent/US4624232A/en
Publication of JPS6131640A publication Critical patent/JPS6131640A/ja
Publication of JPH0526938B2 publication Critical patent/JPH0526938B2/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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1483—Proportional component
    • 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)
JP15378984A 1984-07-23 1984-07-23 空燃比制御装置 Granted JPS6131640A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15378984A JPS6131640A (ja) 1984-07-23 1984-07-23 空燃比制御装置
US06/757,846 US4624232A (en) 1984-07-23 1985-07-22 Apparatus for controlling air-fuel ratio in internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15378984A JPS6131640A (ja) 1984-07-23 1984-07-23 空燃比制御装置

Publications (2)

Publication Number Publication Date
JPS6131640A JPS6131640A (ja) 1986-02-14
JPH0526938B2 true JPH0526938B2 (enExample) 1993-04-19

Family

ID=15570168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15378984A Granted JPS6131640A (ja) 1984-07-23 1984-07-23 空燃比制御装置

Country Status (2)

Country Link
US (1) US4624232A (enExample)
JP (1) JPS6131640A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744344A (en) * 1985-02-20 1988-05-17 Fuji Jukogyo Kabushiki Kaisha System for compensating an oxygen sensor in an emission control system
JPH0643981B2 (ja) * 1985-10-02 1994-06-08 株式会社日立製作所 空燃比制御装置
JPS6293644A (ja) * 1985-10-21 1987-04-30 Honda Motor Co Ltd 排気濃度検出器の特性判定方法
US4739740A (en) * 1986-06-06 1988-04-26 Honda Giken Kogyo Kabushiki Kaisha Internal combustion engine air-fuel ratio feedback control method functioning to compensate for aging change in output characteristic of exhaust gas concentration sensor
JPS63129146A (ja) * 1986-11-18 1988-06-01 Mazda Motor Corp エンジンの空燃比制御装置
JPS6383415U (enExample) * 1986-11-20 1988-06-01
JPS6425440U (enExample) * 1987-08-04 1989-02-13
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
US5247910A (en) * 1992-02-13 1993-09-28 Ngk Spark Plug Co., Ltd. Air-fuel ratio control apparatus
US5370101A (en) * 1993-10-04 1994-12-06 Ford Motor Company Fuel controller with oxygen sensor monitoring and offset correction
JP3581737B2 (ja) * 1995-02-24 2004-10-27 本田技研工業株式会社 内燃機関の空燃比制御装置
JP2812252B2 (ja) * 1995-06-19 1998-10-22 トヨタ自動車株式会社 酸素濃度センサの異常判定装置
JPH09291844A (ja) * 1996-04-30 1997-11-11 Sanshin Ind Co Ltd 内燃機関の燃料噴射制御装置
DE19842425C2 (de) * 1998-09-16 2003-10-02 Siemens Ag Verfahren zur Korrektur der Kennlinie einer linearen Lambda-Sonde
KR20050068995A (ko) * 2003-12-30 2005-07-05 현대자동차주식회사 엔진의 피드백 이득 제어장치 및 방법
JP4686431B2 (ja) 2006-10-11 2011-05-25 日立オートモティブシステムズ株式会社 空燃比センサの劣化診断装置
JP5083386B2 (ja) * 2010-07-28 2012-11-28 トヨタ自動車株式会社 内燃機関の空燃比診断装置
JP5304862B2 (ja) * 2011-09-21 2013-10-02 トヨタ自動車株式会社 内燃機関の空燃比気筒間インバランス判定装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319887A (en) * 1976-08-08 1978-02-23 Nippon Soken Deterioration detecting apparatus for oxygen concentration detector
US4121548A (en) * 1976-08-08 1978-10-24 Nippon Soken, Inc. Deteriorated condition detecting apparatus for an oxygen sensor
JPS5433916A (en) * 1977-08-22 1979-03-13 Nissan Motor Co Ltd Air-fuel ratio control device
JPS55112838A (en) * 1979-02-21 1980-09-01 Hitachi Ltd Air-fuel ratio controller
JPS5642132A (en) * 1979-09-14 1981-04-20 Nippon Soken Inc Detecting device for air-fuel ratio
JPS5951878B2 (ja) * 1980-07-29 1984-12-17 ザ・コンチネンタル・グル−プ・インコ−ポレ−テツド 磁力によるかん選別機
JPS5848236B2 (ja) * 1980-08-05 1983-10-27 トヨタ自動車株式会社 粉体塗料輸送ホ−スの洗浄方法
JPS58206848A (ja) * 1982-05-28 1983-12-02 Honda Motor Co Ltd 内燃エンジンの排気ガス濃度検出系故障時の空燃比制御方法
JPS58217749A (ja) * 1982-06-11 1983-12-17 Honda Motor Co Ltd 内燃エンジンの特定運転状態時の燃料供給制御方法
JPS5925055A (ja) * 1982-08-03 1984-02-08 Nippon Denso Co Ltd 空燃比制御装置
DE3319432A1 (de) * 1983-05-28 1984-11-29 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und einrichtung zur regelung des betriebsgemisches einer brennkraftmaschine
US4502444A (en) * 1983-07-19 1985-03-05 Engelhard Corporation Air-fuel ratio controller

Also Published As

Publication number Publication date
JPS6131640A (ja) 1986-02-14
US4624232A (en) 1986-11-25

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