FR3115330B1 - Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne - Google Patents

Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne Download PDF

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Publication number
FR3115330B1
FR3115330B1 FR2010773A FR2010773A FR3115330B1 FR 3115330 B1 FR3115330 B1 FR 3115330B1 FR 2010773 A FR2010773 A FR 2010773A FR 2010773 A FR2010773 A FR 2010773A FR 3115330 B1 FR3115330 B1 FR 3115330B1
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France
Prior art keywords
cylinder
primary
module
calibration factor
adjustment
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FR2010773A
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English (en)
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FR3115330A1 (fr
Inventor
Bertrand Fasolo
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.)
NEW H POWERTRAIN HOLDING, S.L.U., ES
Original Assignee
Renault SAS
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Priority to FR2010773A priority Critical patent/FR3115330B1/fr
Publication of FR3115330A1 publication Critical patent/FR3115330A1/fr
Application granted granted Critical
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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
    • F02D41/02—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
    • F02D41/008—Controlling each cylinder individually
    • F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or 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
    • F02D41/1446—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 exhaust temperatures
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0802—Temperature of the exhaust gas treatment apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Ce dispositif d’estimation (54) de la richesse dans un cylindre (14, 16, 18) d’un moteur à combustion interne (2) et à allumage commandé comprend un premier module de détermination (56) d’un terme lié à un moyen de régulation (50), un module de réglage (58) d’un facteur de calibration d’une quantité de carburant injectée dans ledit cylindre (14, 16, 18), et un module de calcul (60), le module de réglage (58) étant configuré pour mettre en œuvre un réglage primaire du cylindre (14, 16, 18) correspondant à un facteur de calibration primaire et un réglage secondaire du cylindre (14, 16, 18) correspondant à un facteur de calibration secondaire distinct du facteur de calibration primaire, le module de calcul (60) étant configuré pour recueillir des valeurs primaire et secondaire du terme lié au moyen de régulation (50) correspondant aux réglages primaire et secondaire respectifs Figure pour l’abrégé : Fig 1
FR2010773A 2020-10-21 2020-10-21 Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne Active FR3115330B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2010773A FR3115330B1 (fr) 2020-10-21 2020-10-21 Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2010773A FR3115330B1 (fr) 2020-10-21 2020-10-21 Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne
FR2010773 2020-10-21

Publications (2)

Publication Number Publication Date
FR3115330A1 FR3115330A1 (fr) 2022-04-22
FR3115330B1 true FR3115330B1 (fr) 2023-03-31

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Family Applications (1)

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FR2010773A Active FR3115330B1 (fr) 2020-10-21 2020-10-21 Dispositif d’estimation de la richesse dans un cylindre d’un moteur à combustion interne

Country Status (1)

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FR (1) FR3115330B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3729295B2 (ja) * 1996-08-29 2005-12-21 本田技研工業株式会社 内燃機関の空燃比制御装置
US6868827B2 (en) * 2002-06-04 2005-03-22 Ford Global Technologies, Llc Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device
JP4314573B2 (ja) * 2003-07-30 2009-08-19 株式会社デンソー 多気筒内燃機関の気筒別空燃比算出装置
US7597091B2 (en) * 2005-12-08 2009-10-06 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio control apparatus and method for an internal combustion engine
US9726103B2 (en) * 2010-06-07 2017-08-08 Toyota Jidosha Kabushiki Kaisha Fuel injection amount control apparatus for an internal combustion engine

Also Published As

Publication number Publication date
FR3115330A1 (fr) 2022-04-22

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