FR3041999B1 - METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE - Google Patents

METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE Download PDF

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Publication number
FR3041999B1
FR3041999B1 FR1559376A FR1559376A FR3041999B1 FR 3041999 B1 FR3041999 B1 FR 3041999B1 FR 1559376 A FR1559376 A FR 1559376A FR 1559376 A FR1559376 A FR 1559376A FR 3041999 B1 FR3041999 B1 FR 3041999B1
Authority
FR
France
Prior art keywords
phase
setpoint
intake
rate
limiting
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
FR1559376A
Other languages
French (fr)
Other versions
FR3041999A1 (en
Inventor
Alicia Gabaud
Christophe Pacilly
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.)
PSA Automobiles SA
Original Assignee
Psa Automobiles Sa
Peugeot Citroen Automobiles SA
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 Psa Automobiles Sa, Peugeot Citroen Automobiles SA filed Critical Psa Automobiles Sa
Priority to FR1559376A priority Critical patent/FR3041999B1/en
Publication of FR3041999A1 publication Critical patent/FR3041999A1/en
Application granted granted Critical
Publication of FR3041999B1 publication Critical patent/FR3041999B1/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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/006—Controlling exhaust gas recirculation [EGR] using internal EGR
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0261—Controlling the valve overlap
    • F02D13/0265—Negative valve overlap for temporarily storing residual gas in the cylinder
    • 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
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • 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
    • F02D2041/001—Controlling intake air for engines with variable valve actuation
    • 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
    • F02D41/0005—Controlling intake air during deceleration
    • 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

Abstract

L'invention concerne un procédé de limitation du taux de gaz d'échappement recirculés vers une admission d'un moteur muni de déphaseurs d'admission et d'échappement lors d'une phase transitoire de charge en air, les déphaseurs étant commandés selon une consigne de position, une consigne de décroisement en vigueur (Dec) à un instant donné étant calculée à partir de la différence entre les consignes de position d'admission et d'échappement en vigueur, le débit de gaz recirculés vers l'admission ou le taux de RGE étant régulé selon une consigne respective. Quand un écart de débit ou de taux réel par rapport à la consigne de débit ou de taux est détecté supérieur à un seuil prédéterminé, il est calculé et pris temporairement comme consigne une consigne de décroisement virtuelle (Decvirt) par augmentation de la consigne de décroisement en vigueur (Dec) en lui appliquant un facteur de correction (F).The invention relates to a method for limiting the rate of exhaust gas recirculated to an intake of an engine provided with intake and exhaust phase shifters during a transient air charge phase, the phase shifters being controlled according to a position setpoint, a decreasing setpoint in force (Dec) at a given instant being calculated from the difference between the intake and exhaust position setpoints in force, the flow of gas recirculated to the intake or the EGR rate being regulated according to a respective setpoint. When a difference in actual flow or rate compared to the flow or rate setpoint is detected greater than a predetermined threshold, it is calculated and temporarily taken as a setpoint a virtual decreasing setpoint (Decvirt) by increasing the decreasing setpoint in force (Dec) by applying a correction factor (F) to it.

FR1559376A 2015-10-02 2015-10-02 METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE Active FR3041999B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1559376A FR3041999B1 (en) 2015-10-02 2015-10-02 METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1559376A FR3041999B1 (en) 2015-10-02 2015-10-02 METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE
FR1559376 2015-10-02

Publications (2)

Publication Number Publication Date
FR3041999A1 FR3041999A1 (en) 2017-04-07
FR3041999B1 true FR3041999B1 (en) 2020-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR1559376A Active FR3041999B1 (en) 2015-10-02 2015-10-02 METHOD FOR LIMITING THE RECIRCULATED GAS RATE FOR A PHASE-PHASE ENGINE DURING A TRANSIENT AIR LOAD PHASE

Country Status (1)

Country Link
FR (1) FR3041999B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102261363B1 (en) 2017-05-12 2021-06-07 현대자동차주식회사 Apparatus and method for controling low pressure exhaust gas recirculation system
FR3087842B1 (en) 2018-10-24 2020-10-23 Psa Automobiles Sa PROCESS FOR REGULATING THE AIR FLOW OF AN EXHAUST GAS RECIRCULATION VALVE USING AN ANTICIPATED VOLUMETRIC EFFICIENCY MODEL

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4336444B2 (en) * 2000-06-12 2009-09-30 日産自動車株式会社 Variable valve operating device for internal combustion engine
JP4618141B2 (en) * 2006-01-20 2011-01-26 トヨタ自動車株式会社 Exhaust gas recirculation device for internal combustion engine
US9964055B2 (en) * 2012-07-25 2018-05-08 Nissan Motor Co., Ltd. Control device and control method of internal combustion engine

Also Published As

Publication number Publication date
FR3041999A1 (en) 2017-04-07

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