FR3060656B1 - MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - Google Patents

MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE Download PDF

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Publication number
FR3060656B1
FR3060656B1 FR1662972A FR1662972A FR3060656B1 FR 3060656 B1 FR3060656 B1 FR 3060656B1 FR 1662972 A FR1662972 A FR 1662972A FR 1662972 A FR1662972 A FR 1662972A FR 3060656 B1 FR3060656 B1 FR 3060656B1
Authority
FR
France
Prior art keywords
pressure
injection system
combustion engine
internal combustion
injection
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
FR1662972A
Other languages
French (fr)
Other versions
FR3060656A1 (en
Inventor
Edouard Gambier
Johann Ratinaud
Nicolas Girard
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.)
Continental Automotive GmbH
Continental Automotive France SAS
Original Assignee
Continental Automotive GmbH
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 GmbH, Continental Automotive France SAS filed Critical Continental Automotive GmbH
Priority to FR1662972A priority Critical patent/FR3060656B1/en
Publication of FR3060656A1 publication Critical patent/FR3060656A1/en
Application granted granted Critical
Publication of FR3060656B1 publication Critical patent/FR3060656B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/224—Diagnosis of the fuel 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/228—Warning displays
    • 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
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure
    • 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
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors

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)
  • Fuel-Injection Apparatus (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

La présente invention concerne un procédé de gestion d'un système d'injection d'un moteur (2) à combustion interne avec au moins un premier injecteur (24) et un deuxième injecteur (26, le système d'injection comportant, un capteur de pression disposé au niveau d'un rail d'injection et étant adapté pour mesurer une pression dans ledit rail d'injection, le procédé comprenant les étapes suivantes : a- mesures de la pression dans le rail durant au moins un cycle d'admission, b- calcul de la moyenne des mesures de la pression dans le rail d'injection sur le cycle d'admission dudit cylindre (12, 14), c- comparaison de la valeur moyenne des mesures de pression à une valeur de pression référence, d- modification d'au moins un paramètre de contrôle du système d'injection lorsque le résultat de la comparaison est hors d'une valeur seuil.The present invention relates to a method for managing an injection system of an internal combustion engine (2) with at least a first injector (24) and a second injector (26, the injection system comprising, a sensor of pressure arranged at the level of an injection rail and being adapted to measure a pressure in said injection rail, the method comprising the following steps: a- measurements of the pressure in the rail during at least one intake cycle , b- calculation of the average of the pressure measurements in the injection rail over the admission cycle of said cylinder (12, 14), c- comparison of the average value of the pressure measurements with a reference pressure value, d — modification of at least one control parameter of the injection system when the result of the comparison is outside a threshold value.

FR1662972A 2016-12-21 2016-12-21 MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE Active FR3060656B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1662972A FR3060656B1 (en) 2016-12-21 2016-12-21 MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1662972A FR3060656B1 (en) 2016-12-21 2016-12-21 MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE
FR1662972 2016-12-21

Publications (2)

Publication Number Publication Date
FR3060656A1 FR3060656A1 (en) 2018-06-22
FR3060656B1 true FR3060656B1 (en) 2021-01-01

Family

ID=58010080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1662972A Active FR3060656B1 (en) 2016-12-21 2016-12-21 MANAGEMENT OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Country Status (1)

Country Link
FR (1) FR3060656B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19726757B4 (en) * 1997-06-24 2005-04-14 Robert Bosch Gmbh Method for controlling and / or regulating an internal combustion engine provided with a plurality of combustion chambers
US7717088B2 (en) * 2007-05-07 2010-05-18 Ford Global Technologies, Llc Method of detecting and compensating for injector variability with a direct injection system
US9903306B2 (en) * 2013-02-08 2018-02-27 Cummins Inc. System and method for acquiring pressure data from a fuel accumulator of an internal combustion engine

Also Published As

Publication number Publication date
FR3060656A1 (en) 2018-06-22

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