DE102004036739A8 - Gerät zum Berechnen eines Luft/Kraftstoff-Verhältnisses für einzelne Zylinder für eine Mehrzylinder-Brennkraftmaschine - Google Patents

Gerät zum Berechnen eines Luft/Kraftstoff-Verhältnisses für einzelne Zylinder für eine Mehrzylinder-Brennkraftmaschine Download PDF

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Publication number
DE102004036739A8
DE102004036739A8 DE102004036739A DE102004036739A DE102004036739A8 DE 102004036739 A8 DE102004036739 A8 DE 102004036739A8 DE 102004036739 A DE102004036739 A DE 102004036739A DE 102004036739 A DE102004036739 A DE 102004036739A DE 102004036739 A8 DE102004036739 A8 DE 102004036739A8
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DE
Germany
Prior art keywords
calculating
air
combustion engine
internal combustion
fuel ratio
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
DE102004036739A
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English (en)
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DE102004036739A1 (de
DE102004036739B4 (de
Inventor
Noriaki Kariya Ikemoto
Hisashi Kariya Iida
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Denso Corp
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Denso Corp
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Publication of DE102004036739A8 publication Critical patent/DE102004036739A8/de
Application granted granted Critical
Publication of DE102004036739B4 publication Critical patent/DE102004036739B4/de
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Expired - Lifetime legal-status Critical Current

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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
    • F02D41/008—Controlling each cylinder individually
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
    • F02D41/0032—Controlling the purging of the canister as a function of the engine 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
    • F02D41/1444—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
    • F02D41/02—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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1481—Using a delaying circuit
    • 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
    • F02D41/24—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
    • F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
    • 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • F02D2041/1437—Simulation
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
    • 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
    • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
DE102004036739.6A 2003-07-30 2004-07-29 Gerät zum Berechnen eines Luft/Kraftstoff-Verhältnisses für einzelne Zylinder für eine Mehrzylinder-Brennkraftmaschine Expired - Lifetime DE102004036739B4 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JPP2003/283143 2003-07-30
JP2003283143 2003-07-30
JP2003427064 2003-12-24
JPP2003/427064 2003-12-24
JP2004138027A JP4314573B2 (ja) 2003-07-30 2004-05-07 多気筒内燃機関の気筒別空燃比算出装置
JPP2004/138027 2004-05-07

Publications (3)

Publication Number Publication Date
DE102004036739A1 DE102004036739A1 (de) 2005-03-17
DE102004036739A8 true DE102004036739A8 (de) 2005-07-21
DE102004036739B4 DE102004036739B4 (de) 2017-04-06

Family

ID=34108586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004036739.6A Expired - Lifetime DE102004036739B4 (de) 2003-07-30 2004-07-29 Gerät zum Berechnen eines Luft/Kraftstoff-Verhältnisses für einzelne Zylinder für eine Mehrzylinder-Brennkraftmaschine

Country Status (3)

Country Link
US (1) US7051725B2 (de)
JP (1) JP4314573B2 (de)
DE (1) DE102004036739B4 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7676317B2 (en) 2005-02-28 2010-03-09 Continental Automotive Gmbh Method and device for determining a corrective value used for influencing an air/fuel ratio

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JP3852303B2 (ja) * 2001-02-05 2006-11-29 トヨタ自動車株式会社 多気筒内燃機関の制御装置
JP2005163696A (ja) * 2003-12-04 2005-06-23 Denso Corp 内燃機関の失火検出装置
US8027372B2 (en) 2004-06-18 2011-09-27 Qualcomm Incorporated Signal acquisition in a wireless communication system
JP4420288B2 (ja) * 2005-04-25 2010-02-24 株式会社デンソー 内燃機関の気筒別空燃比制御装置
FR2886345B1 (fr) * 2005-05-30 2010-08-27 Inst Francais Du Petrole Methode d'estimation par un filtre non-lineaire adaptatif de la richesse dans un cylindre d'un moteur a combustion
FR2886346B1 (fr) * 2005-05-30 2010-08-27 Inst Francais Du Petrole Methode d'estimation par un filtre de kalman etendu de la richesse dans un cylindre d'un moteur a combustion
US7356985B2 (en) * 2005-07-19 2008-04-15 Denso Corporation Air-fuel ratio controller for internal combustion engine
JP4349344B2 (ja) * 2005-08-23 2009-10-21 トヨタ自動車株式会社 エンジンの制御装置
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JP5287319B2 (ja) * 2009-02-10 2013-09-11 日産自動車株式会社 燃料噴射弁制御装置
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JP5411728B2 (ja) * 2010-01-28 2014-02-12 本田技研工業株式会社 内燃機関の空燃比学習制御装置
JP5394982B2 (ja) * 2010-05-14 2014-01-22 本田技研工業株式会社 内燃機関の空燃比制御装置
JP5585490B2 (ja) * 2011-02-18 2014-09-10 トヨタ自動車株式会社 可変圧縮比機構を備える多気筒内燃機関
JP5616274B2 (ja) * 2011-03-31 2014-10-29 本田技研工業株式会社 空燃比制御装置
JP5660319B2 (ja) * 2011-04-07 2015-01-28 株式会社デンソー 内燃機関の制御装置
DE102011086150B4 (de) * 2011-11-11 2024-03-07 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine und entsprechendes Computerprogramm, Steuergerät und Speichermedium
JP5208289B1 (ja) * 2012-01-30 2013-06-12 三菱電機株式会社 汎用エンジン制御装置
JP5907111B2 (ja) * 2013-04-16 2016-04-20 トヨタ自動車株式会社 気筒間空燃比ばらつき異常検出装置
DE102013227023A1 (de) * 2013-06-04 2014-12-04 Robert Bosch Gmbh Verfahren zur Zylindergleichstellung einer lambdageregelten Brennkraftmaschine insbesondere eines Kraftfahrzeugs
JP6213085B2 (ja) * 2013-09-17 2017-10-18 株式会社デンソー 内燃機関の気筒別空燃比制御装置
JP5831523B2 (ja) * 2013-10-09 2015-12-09 株式会社デンソー 電子制御装置
JP6102885B2 (ja) * 2013-10-29 2017-03-29 トヨタ自動車株式会社 気筒間空燃比ばらつき異常検出装置
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7676317B2 (en) 2005-02-28 2010-03-09 Continental Automotive Gmbh Method and device for determining a corrective value used for influencing an air/fuel ratio

Also Published As

Publication number Publication date
JP2005207405A (ja) 2005-08-04
DE102004036739A1 (de) 2005-03-17
JP4314573B2 (ja) 2009-08-19
DE102004036739B4 (de) 2017-04-06
US20050022797A1 (en) 2005-02-03
US7051725B2 (en) 2006-05-30

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