FR3086697B1 - ESTIMATE OF THE EXHAUST GAS TEMPERATURE - Google Patents

ESTIMATE OF THE EXHAUST GAS TEMPERATURE Download PDF

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Publication number
FR3086697B1
FR3086697B1 FR1858931A FR1858931A FR3086697B1 FR 3086697 B1 FR3086697 B1 FR 3086697B1 FR 1858931 A FR1858931 A FR 1858931A FR 1858931 A FR1858931 A FR 1858931A FR 3086697 B1 FR3086697 B1 FR 3086697B1
Authority
FR
France
Prior art keywords
temperature
exhaust gases
engine
heat engine
estimate
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
FR1858931A
Other languages
French (fr)
Other versions
FR3086697A1 (en
Inventor
Moustansir Taibaly
Mathieu Selle
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
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 filed Critical PSA Automobiles SA
Priority to FR1858931A priority Critical patent/FR3086697B1/en
Priority to PCT/FR2019/051792 priority patent/WO2020065147A1/en
Publication of FR3086697A1 publication Critical patent/FR3086697A1/en
Application granted granted Critical
Publication of FR3086697B1 publication Critical patent/FR3086697B1/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
    • F02D41/02—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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/10—Introducing corrections for particular operating conditions for acceleration
    • F02D41/107—Introducing corrections for particular operating conditions for acceleration and 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
    • F02D41/02—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
    • F02D41/1447—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 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
    • F02D41/24—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • 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
    • 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]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • 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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions

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

La présente invention concerne une méthode de commande d'un moteur thermique (10) comprenant les étapes suivantes : - estimation d'une température de gaz d'échappement générés par le moteur (10) durant une période comprenant une phase transitoire et une phase stabilisée durant lesquelles la température des gaz d'échappement passe respectivement d'un état variable à un état stabilisé, et - commande d'un actionneur (5) du moteur (10) en fonction de la température estimée. Selon l'invention, la température des gaz d'échappement est estimée par calcul à partir d'une première température issue d'un capteur (20) mesurant la température desdits gaz d'échappement et d'une seconde température issue d'un modèle préétabli. L'invention porte également sur un moteur thermique (10) commandé selon la présente méthode ainsi que sur un véhicule automobile comprenant un tel moteur thermique (10).The present invention relates to a method of controlling a heat engine (10) comprising the following steps: - estimation of a temperature of the exhaust gases generated by the engine (10) during a period comprising a transient phase and a stabilized phase during which the temperature of the exhaust gases passes respectively from a variable state to a stabilized state, and - control of an actuator (5) of the engine (10) as a function of the estimated temperature. According to the invention, the temperature of the exhaust gases is estimated by calculation from a first temperature resulting from a sensor (20) measuring the temperature of said exhaust gases and from a second temperature resulting from a model pre-established. The invention also relates to a heat engine (10) controlled according to the present method as well as to a motor vehicle comprising such a heat engine (10).

FR1858931A 2018-09-28 2018-09-28 ESTIMATE OF THE EXHAUST GAS TEMPERATURE Active FR3086697B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1858931A FR3086697B1 (en) 2018-09-28 2018-09-28 ESTIMATE OF THE EXHAUST GAS TEMPERATURE
PCT/FR2019/051792 WO2020065147A1 (en) 2018-09-28 2019-07-17 Combustion engine control depending on an estimate of the exhaust gas temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858931A FR3086697B1 (en) 2018-09-28 2018-09-28 ESTIMATE OF THE EXHAUST GAS TEMPERATURE

Publications (2)

Publication Number Publication Date
FR3086697A1 FR3086697A1 (en) 2020-04-03
FR3086697B1 true FR3086697B1 (en) 2020-12-18

Family

ID=65243961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1858931A Active FR3086697B1 (en) 2018-09-28 2018-09-28 ESTIMATE OF THE EXHAUST GAS TEMPERATURE

Country Status (2)

Country Link
FR (1) FR3086697B1 (en)
WO (1) WO2020065147A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7824099B2 (en) * 2007-11-29 2010-11-02 Gm Global Technology Operations, Inc. Accurate gas temperature estimation at transient conditions based on temperature sensor readings
DE102009003091A1 (en) 2009-05-14 2010-11-18 Robert Bosch Gmbh Method and device for monitoring a arranged in an exhaust region of an internal combustion engine component
DE102010001090A1 (en) * 2010-01-21 2011-07-28 Robert Bosch GmbH, 70469 Method for operating an internal combustion engine and corresponding device
GB2492355B (en) * 2011-06-28 2017-01-11 Gm Global Tech Operations Llc Method for evaluating an exhaust gas temperature in a exhaust pipe of an internal combustion engine
EP2615283B1 (en) * 2012-01-10 2020-08-19 Ford Global Technologies, LLC A method and observer for determining the exhaust manifold temperature in a turbocharged engine

Also Published As

Publication number Publication date
WO2020065147A1 (en) 2020-04-02
FR3086697A1 (en) 2020-04-03

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