FR3080152B1 - METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER - Google Patents

METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER Download PDF

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Publication number
FR3080152B1
FR3080152B1 FR1853154A FR1853154A FR3080152B1 FR 3080152 B1 FR3080152 B1 FR 3080152B1 FR 1853154 A FR1853154 A FR 1853154A FR 1853154 A FR1853154 A FR 1853154A FR 3080152 B1 FR3080152 B1 FR 3080152B1
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FR
France
Prior art keywords
variable geometry
geometry mechanism
condition
detecting
malfunction
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
FR1853154A
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French (fr)
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FR3080152A1 (en
Inventor
Charles Lemaitre
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.)
Stellantis Auto Sas Fr
Original Assignee
PSA Automobiles SA
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Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Priority to FR1853154A priority Critical patent/FR3080152B1/en
Publication of FR3080152A1 publication Critical patent/FR3080152A1/en
Application granted granted Critical
Publication of FR3080152B1 publication Critical patent/FR3080152B1/en
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
    • F02D41/22—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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16—Other safety measures for, or other control of, pumps
    • 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
    • F02D41/0002—Controlling intake air
    • F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

Le procédé est mis en œuvre dans un système de suralimentation d'air d'un moteur thermique de véhicule, dans lequel le mécanisme de géométrie variable (3) du turbocompresseur est commandé en position avec une boucle d'asservissement (2) par un écart de boucle (EC) entre une consigne de position (CP) et une mesure de position (MP) représentative de la position effective du mécanisme de géométrie variable, le procédé étant du type détectant une défaillance du mécanisme de géométrie variable lorsqu'une première condition est satisfaite, la première condition comprenant l'écart de boucle supérieur à un premier seuil prédéterminé (SB1). Conformément à l'invention, le procédé comprend également la détection d'une disparition de la défaillance lorsqu'une deuxième condition est satisfaite, ladite deuxième condition comprenant l'écart de boucle inférieur à un deuxième seuil prédéterminé (SD1) et un gradient (G_MP) de la mesure de position supérieur à un troisième seuil prédéterminé (SD2).The method is implemented in an air supercharging system of a vehicle heat engine, in which the variable geometry mechanism (3) of the turbocharger is controlled in position with a servo loop (2) by a gap loop (EC) between a position setpoint (CP) and a position measurement (MP) representative of the effective position of the variable geometry mechanism, the method being of the type detecting a failure of the variable geometry mechanism when a first condition is satisfied, the first condition comprising the loop deviation greater than a first predetermined threshold (SB1). According to the invention, the method also comprises the detection of a disappearance of the failure when a second condition is satisfied, said second condition comprising the loop deviation below a second predetermined threshold (SD1) and a gradient (G_MP ) of the position measurement above a third predetermined threshold (SD2).

FR1853154A 2018-04-11 2018-04-11 METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER Active FR3080152B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1853154A FR3080152B1 (en) 2018-04-11 2018-04-11 METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853154A FR3080152B1 (en) 2018-04-11 2018-04-11 METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER
FR1853154 2018-04-11

Publications (2)

Publication Number Publication Date
FR3080152A1 FR3080152A1 (en) 2019-10-18
FR3080152B1 true FR3080152B1 (en) 2020-03-27

Family

ID=62167592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853154A Active FR3080152B1 (en) 2018-04-11 2018-04-11 METHOD FOR DETECTING A MALFUNCTION OF VARIABLE GEOMETRY MECHANISM IN A THERMAL ENGINE TURBOCHARGER

Country Status (1)

Country Link
FR (1) FR3080152B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6000221A (en) * 1997-11-04 1999-12-14 Detroit Diesel Corporation System for controlling a variable geometry turbocharger
JP4327805B2 (en) * 2006-02-08 2009-09-09 トヨタ自動車株式会社 Intake control device for V-type diesel engine
FR2905418B1 (en) * 2006-09-06 2008-10-31 Renault Sas DEVICE AND METHOD FOR DETECTING AN AVIATION IN A MOTOR AIR SUPPLY SYSTEM
DE102011005463A1 (en) * 2011-03-11 2012-09-13 Robert Bosch Gmbh Method for operating a system in which a manipulated variable of an actuator can be controlled
US9765690B2 (en) * 2015-09-30 2017-09-19 Deere & Company Variable geometry turbocharger prognostics

Also Published As

Publication number Publication date
FR3080152A1 (en) 2019-10-18

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