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DE68901364D1 - METHOD AND DEVICE FOR CONTROLLING THE FUEL-AIR MIXTURE CONTENT SUPPLIED TO A COMBUSTION ENGINE. - Google Patents

METHOD AND DEVICE FOR CONTROLLING THE FUEL-AIR MIXTURE CONTENT SUPPLIED TO A COMBUSTION ENGINE.

Info

Publication number
DE68901364D1
DE68901364D1 DE8989113601T DE68901364T DE68901364D1 DE 68901364 D1 DE68901364 D1 DE 68901364D1 DE 8989113601 T DE8989113601 T DE 8989113601T DE 68901364 T DE68901364 T DE 68901364T DE 68901364 D1 DE68901364 D1 DE 68901364D1
Authority
DE
Germany
Prior art keywords
fuel
controlling
combustion engine
air mixture
content supplied
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 - Fee Related
Application number
DE8989113601T
Other languages
German (de)
Inventor
Mariano Sana
Francois Marcel Charles Roche
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE68901364D1 publication Critical patent/DE68901364D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/24—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
    • F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal
    • 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

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)
DE8989113601T 1988-07-27 1989-07-24 METHOD AND DEVICE FOR CONTROLLING THE FUEL-AIR MIXTURE CONTENT SUPPLIED TO A COMBUSTION ENGINE. Expired - Fee Related DE68901364D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810113A FR2634823B1 (en) 1988-07-27 1988-07-27 METHOD AND DEVICE FOR REGULATING THE WEALTH OF AN AIR-FUEL MIXTURE FOR AN INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
DE68901364D1 true DE68901364D1 (en) 1992-06-04

Family

ID=9368821

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989113601T Expired - Fee Related DE68901364D1 (en) 1988-07-27 1989-07-24 METHOD AND DEVICE FOR CONTROLLING THE FUEL-AIR MIXTURE CONTENT SUPPLIED TO A COMBUSTION ENGINE.

Country Status (4)

Country Link
EP (1) EP0352704B1 (en)
DE (1) DE68901364D1 (en)
ES (1) ES2030565T3 (en)
FR (1) FR2634823B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3065992A1 (en) * 2017-05-03 2018-11-09 Peugeot Citroen Automobiles Sa METHOD OF FILTERING AND CORRECTING OSCILLATIONS OF A WEALTH SIGNAL FROM A PROBE OUTSIDE AN ENGINE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122811A (en) * 1977-07-25 1978-10-31 General Motors Corporation Digital closed loop fuel control system
US4528962A (en) * 1981-12-11 1985-07-16 Robert Bosch Gmbh Method and apparatus for lambda regulation in an internal combustion engine
JPS58190532A (en) * 1982-04-30 1983-11-07 Nissan Motor Co Ltd Air-fuel ratio return control method for internal- combustion engine
JPS58195044A (en) * 1982-05-07 1983-11-14 Mitsubishi Electric Corp Air-fuel ratio controlling method

Also Published As

Publication number Publication date
EP0352704A1 (en) 1990-01-31
ES2030565T3 (en) 1992-11-01
FR2634823B1 (en) 1990-11-23
EP0352704B1 (en) 1992-04-29
FR2634823A1 (en) 1990-02-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee