DE69607362T2 - Verfahren zur bestimmung des einem verbrennungsmotor zugeführten optimalen luft-kraftstoff-verhältnisses und entsprechende vorrichtung - Google Patents

Verfahren zur bestimmung des einem verbrennungsmotor zugeführten optimalen luft-kraftstoff-verhältnisses und entsprechende vorrichtung

Info

Publication number
DE69607362T2
DE69607362T2 DE69607362T DE69607362T DE69607362T2 DE 69607362 T2 DE69607362 T2 DE 69607362T2 DE 69607362 T DE69607362 T DE 69607362T DE 69607362 T DE69607362 T DE 69607362T DE 69607362 T2 DE69607362 T2 DE 69607362T2
Authority
DE
Germany
Prior art keywords
determining
combustion engine
fuel ratio
optimum air
ratio 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
DE69607362T
Other languages
English (en)
Other versions
DE69607362D1 (de
Inventor
Alain Aubourg
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.)
Continental Automotive France SAS
Original Assignee
Siemens Automotive SA
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 Automotive SA filed Critical Siemens Automotive SA
Publication of DE69607362D1 publication Critical patent/DE69607362D1/de
Application granted granted Critical
Publication of DE69607362T2 publication Critical patent/DE69607362T2/de
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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1406—Introducing closed-loop corrections characterised by the control or regulation method with use of a optimisation method, e.g. iteration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F02D31/003—Electric control of rotation speed controlling air supply for idle speed control
    • F02D31/005—Electric control of rotation speed controlling air supply for idle speed control by controlling a throttle by-pass
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1408—Dithering techniques
    • 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
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
    • F02D2011/102—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
DE69607362T 1995-09-27 1996-08-08 Verfahren zur bestimmung des einem verbrennungsmotor zugeführten optimalen luft-kraftstoff-verhältnisses und entsprechende vorrichtung Expired - Fee Related DE69607362T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9511427A FR2739141B1 (fr) 1995-09-27 1995-09-27 Procede de determination de la richesse optimale d'un melange air / carburant alimentant un moteur a combustion interne et dispositif correspondant
PCT/EP1996/003516 WO1997012135A1 (fr) 1995-09-27 1996-08-08 Procede de determination de la richesse optimale d'un melange air/carburant alimentant un moteur a combustion interne et dispositif correspondant

Publications (2)

Publication Number Publication Date
DE69607362D1 DE69607362D1 (de) 2000-04-27
DE69607362T2 true DE69607362T2 (de) 2001-10-31

Family

ID=9483033

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69607362T Expired - Fee Related DE69607362T2 (de) 1995-09-27 1996-08-08 Verfahren zur bestimmung des einem verbrennungsmotor zugeführten optimalen luft-kraftstoff-verhältnisses und entsprechende vorrichtung

Country Status (6)

Country Link
US (1) US5992381A (de)
EP (1) EP0852667B1 (de)
DE (1) DE69607362T2 (de)
ES (1) ES2146410T3 (de)
FR (1) FR2739141B1 (de)
WO (1) WO1997012135A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7341044B1 (en) * 2007-01-11 2008-03-11 Generac Power Systems, Inc. Method and control device for regulating the air-fuel mixture provided to an engine
WO2012115548A1 (en) * 2011-02-23 2012-08-30 Husqvarna Ab Control of a/f ratio at cut-out speed
EP2798421B1 (de) * 2011-12-28 2020-10-14 Husqvarna AB System zur hindernisvermeidung/-meldung für eine hofarbeitsmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368707A (en) * 1976-11-22 1983-01-18 Fuel Injection Development Corporation Adaptive charge forming system for controlling the air/fuel mixture supplied to an internal combustion engine
US4393845A (en) * 1978-04-03 1983-07-19 The Bendix Corporation Means for improving the efficiency of an internal combustion engine
JPS57124051A (en) * 1981-01-26 1982-08-02 Nippon Denso Co Ltd Optimum control method of internal combustion engine
JPS582444A (ja) * 1981-06-26 1983-01-08 Nippon Denso Co Ltd 空燃比制御方法
JPS59134343A (ja) * 1983-01-20 1984-08-02 Nippon Denso Co Ltd 空燃比制御方法
DE3439927A1 (de) * 1984-06-30 1986-01-09 Bosch Gmbh Robert Verfahren und vorrichtung zur adaptiven stoergroessenaufschaltung bei reglern
IT1182558B (it) * 1985-09-20 1987-10-05 Weber Spa Sistema di controllo automatico in condizioni di regime di rotazione minimo del tipo della miscela combustibile adotta ad un motore endotermico comorendente un sistema di iniezione elettronica
US4864991A (en) * 1987-12-01 1989-09-12 Snyder Warren E Method and apparatus for controlling air to gas ratio of gaseous fueled engines
JP2864681B2 (ja) * 1990-07-19 1999-03-03 三菱自動車工業株式会社 内燃エンジンの空燃比制御方法
SE9102629L (sv) * 1991-09-11 1993-03-12 Electrolux Ab Anordning i foerbraenningsmotor
SE9302769D0 (sv) * 1993-08-27 1993-08-27 Electrolux Ab Motorstyrning

Also Published As

Publication number Publication date
FR2739141A1 (fr) 1997-03-28
EP0852667B1 (de) 2000-03-22
US5992381A (en) 1999-11-30
DE69607362D1 (de) 2000-04-27
WO1997012135A1 (fr) 1997-04-03
EP0852667A1 (de) 1998-07-15
ES2146410T3 (es) 2000-08-01
FR2739141B1 (fr) 1997-12-05

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DE68901682D1 (de) Verfahren und vorrichtung zur bestimmung des spezifischen kraftstoffverbrauchs eines verbrennungsmotors.

Legal Events

Date Code Title Description
8332 No legal effect for de
8328 Change in the person/name/address of the agent

Free format text: ZEDLITZ, P., DIPL.-INF.UNIV., PAT.-ANW., 80331 MUENCHEN

8370 Indication of lapse of patent is to be deleted
8328 Change in the person/name/address of the agent

Free format text: BERG, P., DIPL.-ING., PAT.-ASS., 80339 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS VDO AUTOMOTIVE, TOULOUSE, FR

8328 Change in the person/name/address of the agent

Representative=s name: MAIER, D., DIPL.-ING. UNIV., PAT.-ASS., 85221 DACH

8339 Ceased/non-payment of the annual fee