JP2012251794A - 酸素センサの活性判定システム - Google Patents

酸素センサの活性判定システム Download PDF

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Publication number
JP2012251794A
JP2012251794A JP2011122678A JP2011122678A JP2012251794A JP 2012251794 A JP2012251794 A JP 2012251794A JP 2011122678 A JP2011122678 A JP 2011122678A JP 2011122678 A JP2011122678 A JP 2011122678A JP 2012251794 A JP2012251794 A JP 2012251794A
Authority
JP
Japan
Prior art keywords
oxygen sensor
value
output value
processing circuit
signal processing
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.)
Withdrawn
Application number
JP2011122678A
Other languages
English (en)
Japanese (ja)
Inventor
Hiroki Kihara
浩貴 木原
Yuichiro Sawada
雄一郎 沢田
Tsunehisa Nakamura
倫久 中村
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP2011122678A priority Critical patent/JP2012251794A/ja
Priority to EP11188522.4A priority patent/EP2530289B1/en
Priority to ES11188522.4T priority patent/ES2561438T3/es
Publication of JP2012251794A publication Critical patent/JP2012251794A/ja
Withdrawn legal-status Critical Current

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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
    • 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
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

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  • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
JP2011122678A 2011-05-31 2011-05-31 酸素センサの活性判定システム Withdrawn JP2012251794A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011122678A JP2012251794A (ja) 2011-05-31 2011-05-31 酸素センサの活性判定システム
EP11188522.4A EP2530289B1 (en) 2011-05-31 2011-11-10 Activation determining system for oxygen sensor
ES11188522.4T ES2561438T3 (es) 2011-05-31 2011-11-10 Sistema de determinación de activación para sensor de oxígeno

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011122678A JP2012251794A (ja) 2011-05-31 2011-05-31 酸素センサの活性判定システム

Publications (1)

Publication Number Publication Date
JP2012251794A true JP2012251794A (ja) 2012-12-20

Family

ID=44925423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011122678A Withdrawn JP2012251794A (ja) 2011-05-31 2011-05-31 酸素センサの活性判定システム

Country Status (3)

Country Link
EP (1) EP2530289B1 (es)
JP (1) JP2012251794A (es)
ES (1) ES2561438T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102298807B1 (ko) * 2020-07-24 2021-09-08 주식회사 현대케피코 산소센서 보완회로 및 이를 이용한 노이즈 유무 판단 장치와 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212650A (ja) * 1984-04-04 1985-10-24 Toyota Motor Corp 電子制御式燃料噴射装置
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
JP2745754B2 (ja) * 1990-01-23 1998-04-28 トヨタ自動車株式会社 酸素センサの活性判定装置
JP4477481B2 (ja) 2004-12-20 2010-06-09 本田技研工業株式会社 酸素濃度センサの取付構造
EP1724458A1 (de) * 2005-05-19 2006-11-22 Delphi Technologies, Inc. Verfahren und Vorrichtung zur Diagnose eines Messwertes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102298807B1 (ko) * 2020-07-24 2021-09-08 주식회사 현대케피코 산소센서 보완회로 및 이를 이용한 노이즈 유무 판단 장치와 방법

Also Published As

Publication number Publication date
EP2530289A2 (en) 2012-12-05
ES2561438T3 (es) 2016-02-26
EP2530289A3 (en) 2014-10-08
EP2530289B1 (en) 2016-01-27

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Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20140805