EP1336742A3 - Verfahren zur Zwangsanregung bei einer Lambdaregelung - Google Patents

Verfahren zur Zwangsanregung bei einer Lambdaregelung Download PDF

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Publication number
EP1336742A3
EP1336742A3 EP03002339A EP03002339A EP1336742A3 EP 1336742 A3 EP1336742 A3 EP 1336742A3 EP 03002339 A EP03002339 A EP 03002339A EP 03002339 A EP03002339 A EP 03002339A EP 1336742 A3 EP1336742 A3 EP 1336742A3
Authority
EP
European Patent Office
Prior art keywords
lambda control
stimulating
control loop
combustion engine
internal combustion
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.)
Granted
Application number
EP03002339A
Other languages
English (en)
French (fr)
Other versions
EP1336742A2 (de
EP1336742B1 (de
Inventor
Dietmar Ellmer
Thorsten Lauer
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
Publication of EP1336742A2 publication Critical patent/EP1336742A2/de
Publication of EP1336742A3 publication Critical patent/EP1336742A3/de
Application granted granted Critical
Publication of EP1336742B1 publication Critical patent/EP1336742B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • 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
    • F02D41/02—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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors

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)
  • Exhaust Gas After Treatment (AREA)

Abstract

Verfahren zur Zwangsanregung bei einer Lambdaregelung für eine Brennkraftmaschine, bei der Frequenz und Zwangsanregung abhängig von einer Betriebstemperatur der Brennkraftmaschine bestimmt werden, um erhöhte Abgasemissionen zu vermeiden.
EP20030002339 2002-02-18 2003-02-03 Verfahren zur Zwangsanregung bei einer Lambdaregelung Expired - Lifetime EP1336742B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10206675 2002-02-18
DE2002106675 DE10206675C1 (de) 2002-02-18 2002-02-18 Verfahren zur Zwangsanregung bei einer Lambdaregelug

Publications (3)

Publication Number Publication Date
EP1336742A2 EP1336742A2 (de) 2003-08-20
EP1336742A3 true EP1336742A3 (de) 2006-03-15
EP1336742B1 EP1336742B1 (de) 2006-12-20

Family

ID=7713850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030002339 Expired - Lifetime EP1336742B1 (de) 2002-02-18 2003-02-03 Verfahren zur Zwangsanregung bei einer Lambdaregelung

Country Status (2)

Country Link
EP (1) EP1336742B1 (de)
DE (2) DE10206675C1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7275364B2 (en) 2003-03-26 2007-10-02 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control device of internal combustion engine
DE10358900A1 (de) * 2003-12-16 2005-07-21 Volkswagen Ag Verfahren zum Betreiben einer Brennkraftmaschine mit kontinuierlicher Lambda-Regelung
DE102004038481B3 (de) 2004-08-07 2005-07-07 Audi Ag Verfahren zur Regelung des einer Brennkraftmaschine zugeführten Luft/Kraftstoffverhältnisses
US7793489B2 (en) * 2005-06-03 2010-09-14 Gm Global Technology Operations, Inc. Fuel control for robust detection of catalytic converter oxygen storage capacity
DE102021120527A1 (de) 2021-08-06 2023-02-09 Ford Global Technologies, Llc Verfahren zum Steuern einer gasbetriebenen Brennkraftmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325664A (en) * 1991-10-18 1994-07-05 Honda Giken Kogyo Kabushiki Kaisha System for determining deterioration of catalysts of internal combustion engines
DE4344892A1 (de) * 1992-12-29 1994-07-07 Honda Motor Co Ltd Luft-Kraftstoff-Verhältnissteuereinrichtung für eine Brennkraftmaschine
DE19844994A1 (de) * 1998-09-30 2000-04-06 Siemens Ag Verfahren zur Diagnose einer stetigen Lambdasonde

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744410C2 (de) * 1997-10-08 2001-06-21 Ford Global Tech Inc Verfahren zur Überwachung der Laufruheregelung eines Verbrennungsmotors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325664A (en) * 1991-10-18 1994-07-05 Honda Giken Kogyo Kabushiki Kaisha System for determining deterioration of catalysts of internal combustion engines
DE4344892A1 (de) * 1992-12-29 1994-07-07 Honda Motor Co Ltd Luft-Kraftstoff-Verhältnissteuereinrichtung für eine Brennkraftmaschine
DE19844994A1 (de) * 1998-09-30 2000-04-06 Siemens Ag Verfahren zur Diagnose einer stetigen Lambdasonde

Also Published As

Publication number Publication date
EP1336742A2 (de) 2003-08-20
DE10206675C1 (de) 2003-05-22
EP1336742B1 (de) 2006-12-20
DE50306001D1 (de) 2007-02-01

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