EP0757167A3 - Air/fuel ratio control method for a lean burn combustion engine - Google Patents

Air/fuel ratio control method for a lean burn combustion engine Download PDF

Info

Publication number
EP0757167A3
EP0757167A3 EP96112294A EP96112294A EP0757167A3 EP 0757167 A3 EP0757167 A3 EP 0757167A3 EP 96112294 A EP96112294 A EP 96112294A EP 96112294 A EP96112294 A EP 96112294A EP 0757167 A3 EP0757167 A3 EP 0757167A3
Authority
EP
European Patent Office
Prior art keywords
fuel
air
ratio
value
injecting
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Withdrawn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
EP96112294A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0757167A2 (en
Inventor
Woo-Jik Lee
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.)
Hyundai Motor Co
Original Assignee
Hyundai Motor Co
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 Hyundai Motor Co filed Critical Hyundai Motor Co
Publication of EP0757167A2 publication Critical patent/EP0757167A2/en
Publication of EP0757167A3 publication Critical patent/EP0757167A3/en
Withdrawn legal-status Critical Current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
    • F02D41/04—Introducing corrections 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
    • F02D41/02—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
    • 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
    • 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
    • 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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions

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)
EP96112294A 1995-07-31 1996-07-30 Air/fuel ratio control method for a lean burn combustion engine Withdrawn EP0757167A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9523210 1995-07-31
KR1019950023210A KR100187974B1 (ko) 1995-07-31 1995-07-31 희박 연소 엔진 차량에 있어서의 공연비 제어방법

Publications (2)

Publication Number Publication Date
EP0757167A2 EP0757167A2 (en) 1997-02-05
EP0757167A3 true EP0757167A3 (en) 1998-04-08

Family

ID=19422266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96112294A Withdrawn EP0757167A3 (en) 1995-07-31 1996-07-30 Air/fuel ratio control method for a lean burn combustion engine

Country Status (3)

Country Link
EP (1) EP0757167A3 (ko)
KR (1) KR100187974B1 (ko)
AU (1) AU6080896A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100435637B1 (ko) * 1997-12-16 2004-09-04 현대자동차주식회사 희박연소엔진을장착한차량에서의공연비제어방법
KR100422619B1 (ko) * 1997-12-31 2004-06-16 현대자동차주식회사 연료 분사 제어방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445481A (en) * 1980-12-23 1984-05-01 Toyota Jidosha Kogyo Kabushiki Kaisha Method for controlling the air-fuel ratio of an internal combustion engine
US4669439A (en) * 1984-09-10 1987-06-02 Mazda Motor Corporation Air-to-fuel ratio control systems for internal combustion engines
US4677559A (en) * 1984-01-30 1987-06-30 U.S. Philips Corporation Control arrangement for a combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445481A (en) * 1980-12-23 1984-05-01 Toyota Jidosha Kogyo Kabushiki Kaisha Method for controlling the air-fuel ratio of an internal combustion engine
US4677559A (en) * 1984-01-30 1987-06-30 U.S. Philips Corporation Control arrangement for a combustion engine
US4669439A (en) * 1984-09-10 1987-06-02 Mazda Motor Corporation Air-to-fuel ratio control systems for internal combustion engines

Also Published As

Publication number Publication date
KR970006824A (ko) 1997-02-21
AU6080896A (en) 1997-02-06
KR100187974B1 (ko) 1999-06-01
EP0757167A2 (en) 1997-02-05

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