EP1079090A3 - Method for calibration of a wideband lambda probe used in internal combustion engines - Google Patents

Method for calibration of a wideband lambda probe used in internal combustion engines Download PDF

Info

Publication number
EP1079090A3
EP1079090A3 EP00116857A EP00116857A EP1079090A3 EP 1079090 A3 EP1079090 A3 EP 1079090A3 EP 00116857 A EP00116857 A EP 00116857A EP 00116857 A EP00116857 A EP 00116857A EP 1079090 A3 EP1079090 A3 EP 1079090A3
Authority
EP
European Patent Office
Prior art keywords
calibration
internal combustion
combustion engines
probe used
lambda probe
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
EP00116857A
Other languages
German (de)
French (fr)
Other versions
EP1079090B1 (en
EP1079090A2 (en
Inventor
Thomas Bizenberger
Michael Dipl.-Ing. Daetz
Hanno Dipl.-Ing. Jelden
Christoph Kielmann
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP1079090A2 publication Critical patent/EP1079090A2/en
Publication of EP1079090A3 publication Critical patent/EP1079090A3/en
Application granted granted Critical
Publication of EP1079090B1 publication Critical patent/EP1079090B1/en
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
    • F02D41/24—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
    • F02D41/02—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
    • F02D41/1458—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 determination means using an estimation
    • 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
    • F02D41/2474—Characteristics of sensors
    • 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)
  • Analytical Chemistry (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Testing Of Engines (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

To calibrate the sensor and compensate for manufacturing tolerances a correction value is determined as follows. With the engine running with l = 1 a fuel mass mK1 and air mass flow mL1 are determined. Then, with l = 1 (lean or fat mixture) values mK2 and mL2 are measured. Based on these values the correction value for the condition l = 1 is derived
EP00116857A 1999-08-20 2000-08-04 Method for calibration of a wideband lambda probe used in internal combustion engines Expired - Lifetime EP1079090B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19939555 1999-08-20
DE19939555A DE19939555A1 (en) 1999-08-20 1999-08-20 Method for calibrating a broadband lambda probe used in internal combustion engines

Publications (3)

Publication Number Publication Date
EP1079090A2 EP1079090A2 (en) 2001-02-28
EP1079090A3 true EP1079090A3 (en) 2003-03-05
EP1079090B1 EP1079090B1 (en) 2006-05-03

Family

ID=7919057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00116857A Expired - Lifetime EP1079090B1 (en) 1999-08-20 2000-08-04 Method for calibration of a wideband lambda probe used in internal combustion engines

Country Status (3)

Country Link
EP (1) EP1079090B1 (en)
AT (1) ATE325266T1 (en)
DE (2) DE19939555A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1701022A3 (en) 2001-11-28 2006-10-18 Volkswagen Aktiengesellschaft Method for determining the composition of a gas mixture in a combustion chamber of an internal combustion engine with exhaust gas recirculation
FR2849112B1 (en) * 2002-12-18 2005-02-04 Renault Sa METHOD FOR CONTROLLING COMPONENT ELEMENT COMPONENTS OF INTERNAL COMBUSTION ENGINE
DE102005059794B3 (en) * 2005-12-14 2007-03-29 Siemens Ag Exhaust gas probe calibrating method for use in internal combustion engine, involves detecting plateau phase of measuring signals of probe, after transfer of parameter of fat air-fuel ratio to parameter of lean air-fuel ratio
US7861515B2 (en) * 2007-07-13 2011-01-04 Ford Global Technologies, Llc Monitoring of exhaust gas oxygen sensor performance
DE102013212217A1 (en) * 2012-07-12 2014-05-15 Ford Global Technologies, Llc Indirect measurement of relative humidity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751907A (en) * 1985-09-27 1988-06-21 Nissan Motor Co., Ltd. Air/fuel ratio detecting apparatus for internal combustion engines
US4909223A (en) * 1987-09-09 1990-03-20 Hitachi, Ltd. Air-fuel ratio control apparatus for multicylinder engine
US5323635A (en) * 1992-06-01 1994-06-28 Hitachi, Ltd. Air fuel ratio detecting arrangement and method therefor for an internal combustion engine
US5845624A (en) * 1995-12-13 1998-12-08 Matsushita Electric Industrial Co., Ltd. Air-fuel ratio control system for internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289678A (en) * 1992-11-25 1994-03-01 Ford Motor Company Apparatus and method of on-board catalytic converter efficiency monitoring
DE19819461B4 (en) * 1998-04-30 2004-07-01 Siemens Ag Process for exhaust gas purification with trim control
DE19844994C2 (en) * 1998-09-30 2002-01-17 Siemens Ag Method for diagnosing a continuous lambda probe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751907A (en) * 1985-09-27 1988-06-21 Nissan Motor Co., Ltd. Air/fuel ratio detecting apparatus for internal combustion engines
US4909223A (en) * 1987-09-09 1990-03-20 Hitachi, Ltd. Air-fuel ratio control apparatus for multicylinder engine
US5323635A (en) * 1992-06-01 1994-06-28 Hitachi, Ltd. Air fuel ratio detecting arrangement and method therefor for an internal combustion engine
US5845624A (en) * 1995-12-13 1998-12-08 Matsushita Electric Industrial Co., Ltd. Air-fuel ratio control system for internal combustion engine

Also Published As

Publication number Publication date
DE19939555A1 (en) 2001-02-22
EP1079090B1 (en) 2006-05-03
EP1079090A2 (en) 2001-02-28
ATE325266T1 (en) 2006-06-15
DE50012679D1 (en) 2006-06-08

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