FR3092143B1 - Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne - Google Patents

Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne Download PDF

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Publication number
FR3092143B1
FR3092143B1 FR1900714A FR1900714A FR3092143B1 FR 3092143 B1 FR3092143 B1 FR 3092143B1 FR 1900714 A FR1900714 A FR 1900714A FR 1900714 A FR1900714 A FR 1900714A FR 3092143 B1 FR3092143 B1 FR 3092143B1
Authority
FR
France
Prior art keywords
pressure
fuel injected
determining
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.)
Active
Application number
FR1900714A
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English (en)
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FR3092143A1 (fr
Inventor
Vincent Peyret-Forcade
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.)
Vitesco Technologies GmbH
Original Assignee
Continental Automotive France SAS
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 Continental Automotive France SAS filed Critical Continental Automotive France SAS
Priority to FR1900714A priority Critical patent/FR3092143B1/fr
Priority to US17/310,294 priority patent/US20220195958A1/en
Priority to PCT/EP2020/052056 priority patent/WO2020157072A1/fr
Priority to CN202080011082.3A priority patent/CN113302391B/zh
Publication of FR3092143A1 publication Critical patent/FR3092143A1/fr
Application granted granted Critical
Publication of FR3092143B1 publication Critical patent/FR3092143B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/286—Interface circuits comprising means for signal processing
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • F02D2200/0608—Estimation of fuel temperature
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0611—Fuel type, fuel composition or fuel quality
    • F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0614—Actual fuel mass or fuel injection amount
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0614—Actual fuel mass or fuel injection amount
    • F02D2200/0616—Actual fuel mass or fuel injection amount determined by estimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/02—Fuel evaporation in fuel rails, e.g. in common rails

Abstract

Procédé de détermination d’une quantité de carburant injecté dans un cylindre d’un moteur à combustion interne comportant un rail d’injection, caractérisé en ce qu’il comporte les étapes suivantes : - mesure de la pression régnant dans le rail d’injection en cours d’injection de carburant du rail vers un cylindre, - filtrage de la mesure de pression, - détermination des points d’inflexion de la courbe de pression filtrée, - dans la mesure où une première (Pdrop1) chute de pression suivie d’une remontée de la pression puis d’une seconde (Pdrop2) chute de pression est identifiée, détermination d’une grandeur physique permettant de caractériser la première chute de pression et la seconde chute de pression, - détermination de la quantité de carburant injecté en mettant en œuvre le module de compressibilité pour les deux chutes de pression identifiée en fonction de la température dans le rail d’injection. Figure pour l’abrégé : Fig. 1
FR1900714A 2019-01-28 2019-01-28 Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne Active FR3092143B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1900714A FR3092143B1 (fr) 2019-01-28 2019-01-28 Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne
US17/310,294 US20220195958A1 (en) 2019-01-28 2020-01-28 Method for determining a quantity of fuel injected into an internal combustion engine
PCT/EP2020/052056 WO2020157072A1 (fr) 2019-01-28 2020-01-28 Procédé de détermination d'une quantité de carburant injecté dans un moteur à combustion interne
CN202080011082.3A CN113302391B (zh) 2019-01-28 2020-01-28 用于确定喷射到内燃发动机中的燃料量的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1900714 2019-01-28
FR1900714A FR3092143B1 (fr) 2019-01-28 2019-01-28 Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne

Publications (2)

Publication Number Publication Date
FR3092143A1 FR3092143A1 (fr) 2020-07-31
FR3092143B1 true FR3092143B1 (fr) 2022-02-25

Family

ID=67107674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1900714A Active FR3092143B1 (fr) 2019-01-28 2019-01-28 Procédé de détermination d’une quantité de carburant injecté dans un moteur à combustion interne

Country Status (4)

Country Link
US (1) US20220195958A1 (fr)
CN (1) CN113302391B (fr)
FR (1) FR3092143B1 (fr)
WO (1) WO2020157072A1 (fr)

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US6694953B2 (en) * 2002-01-02 2004-02-24 Caterpillar Inc Utilization of a rail pressure predictor model in controlling a common rail fuel injection system
JP4052261B2 (ja) * 2004-03-02 2008-02-27 トヨタ自動車株式会社 内燃機関の燃料供給装置
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DE102007050297A1 (de) * 2007-10-22 2009-04-23 Robert Bosch Gmbh Verfahren zur Steuerung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine
US7558665B1 (en) * 2007-12-20 2009-07-07 Cummins, Inc. System for determining critical on-times for fuel injectors
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Also Published As

Publication number Publication date
CN113302391B (zh) 2023-07-04
FR3092143A1 (fr) 2020-07-31
US20220195958A1 (en) 2022-06-23
CN113302391A (zh) 2021-08-24
WO2020157072A1 (fr) 2020-08-06

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