FR3078745B1 - CONTROL PROCESS OF A THERMAL MOTOR - Google Patents

CONTROL PROCESS OF A THERMAL MOTOR Download PDF

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Publication number
FR3078745B1
FR3078745B1 FR1852003A FR1852003A FR3078745B1 FR 3078745 B1 FR3078745 B1 FR 3078745B1 FR 1852003 A FR1852003 A FR 1852003A FR 1852003 A FR1852003 A FR 1852003A FR 3078745 B1 FR3078745 B1 FR 3078745B1
Authority
FR
France
Prior art keywords
catalyst
temperature
exhaust gas
control process
downstream
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
FR1852003A
Other languages
French (fr)
Other versions
FR3078745A1 (en
Inventor
Antoine Simon
Thierry Jaine
Cedric Nouillant
Dominique Nelson-Gruel
Guillaume Colin
Alain Charlet
Yann Chamaillard
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
UNIVERSITE ORLEANS, FR
Original Assignee
Universite dOrleans
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 Universite dOrleans, PSA Automobiles SA filed Critical Universite dOrleans
Priority to FR1852003A priority Critical patent/FR3078745B1/en
Publication of FR3078745A1 publication Critical patent/FR3078745A1/en
Application granted granted Critical
Publication of FR3078745B1 publication Critical patent/FR3078745B1/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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
    • 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
    • F02D41/14—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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • F02D2041/1416—Observer
    • 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0802—Temperature of the exhaust gas treatment apparatus
    • F02D2200/0804—Estimation of the temperature of the exhaust gas treatment apparatus
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Procédé de commande d'un moteur thermique (10) comprenant les étapes consistant à : - estimer, à un instant t du fonctionnement du moteur thermique, une température de gaz d'échappement en une pluralité de points le long du catalyseur (21), - estimer à l'instant t une température de paroi du catalyseur en une pluralité de points le long du catalyseur, en prenant en compte au moins la température de gaz d'échappement le long du catalyseur, - mesurer avec la sonde aval de température (23) à l'instant t, une température de gaz d'échappement en aval du catalyseur, - corriger la température de paroi du catalyseur le long du catalyseur, en prenant en compte la mesure de température de gaz d'échappement en aval du catalyseur.Method for controlling a heat engine (10) comprising the steps of: - estimating, at an instant t of the operation of the heat engine, an exhaust gas temperature at a plurality of points along the catalyst (21), - estimate at time t a wall temperature of the catalyst at a plurality of points along the catalyst, taking into account at least the temperature of the exhaust gas along the catalyst, - measure with the downstream temperature probe ( 23) at time t, an exhaust gas temperature downstream of the catalyst, - correct the wall temperature of the catalyst along the catalyst, taking into account the measurement of the exhaust gas temperature downstream of the catalyst .

FR1852003A 2018-03-08 2018-03-08 CONTROL PROCESS OF A THERMAL MOTOR Active FR3078745B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1852003A FR3078745B1 (en) 2018-03-08 2018-03-08 CONTROL PROCESS OF A THERMAL MOTOR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1852003A FR3078745B1 (en) 2018-03-08 2018-03-08 CONTROL PROCESS OF A THERMAL MOTOR
FR1852003 2018-03-08

Publications (2)

Publication Number Publication Date
FR3078745A1 FR3078745A1 (en) 2019-09-13
FR3078745B1 true FR3078745B1 (en) 2021-11-19

Family

ID=61913465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1852003A Active FR3078745B1 (en) 2018-03-08 2018-03-08 CONTROL PROCESS OF A THERMAL MOTOR

Country Status (1)

Country Link
FR (1) FR3078745B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3121173A1 (en) 2021-03-25 2022-09-30 Psa Automobiles Sa MOTOR VEHICLE DEPOLLUTION DEVICE SUPERVISION SYSTEM, AND VEHICLE COMPRISING SUCH A SYSTEM
CN113027574B (en) * 2021-04-02 2023-12-19 广西玉柴机器股份有限公司 Method and device for accurately measuring temperature of SCR (selective catalytic reduction) catalytic unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526488C2 (en) * 2003-06-10 2005-09-27 Scania Cv Abp Method and apparatus for monitoring an SCR catalyst comparing measured and calculated temperature values
JP4400356B2 (en) * 2004-07-22 2010-01-20 株式会社デンソー Exhaust gas purification device for internal combustion engine
JP4373909B2 (en) * 2004-12-28 2009-11-25 本田技研工業株式会社 Plant temperature controller
JP4395120B2 (en) * 2005-10-19 2010-01-06 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine

Also Published As

Publication number Publication date
FR3078745A1 (en) 2019-09-13

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Owner name: UNIVERSITE ORLEANS, FR

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Owner name: STELLANTIS AUTO SAS, FR

Effective date: 20240423