FR3064027B1 - METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION - Google Patents

METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION Download PDF

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Publication number
FR3064027B1
FR3064027B1 FR1752053A FR1752053A FR3064027B1 FR 3064027 B1 FR3064027 B1 FR 3064027B1 FR 1752053 A FR1752053 A FR 1752053A FR 1752053 A FR1752053 A FR 1752053A FR 3064027 B1 FR3064027 B1 FR 3064027B1
Authority
FR
France
Prior art keywords
torque
setpoint
engine
estimating
internal combustion
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
FR1752053A
Other languages
French (fr)
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FR3064027A1 (en
Inventor
Romain Boissard
Benoit Barre
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
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1752053A priority Critical patent/FR3064027B1/en
Priority to EP18156234.9A priority patent/EP3376007A1/en
Publication of FR3064027A1 publication Critical patent/FR3064027A1/en
Application granted granted Critical
Publication of FR3064027B1 publication Critical patent/FR3064027B1/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
    • 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
    • F02D41/1454—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 an oxygen content or concentration or the air-fuel ratio
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1002—Output torque
    • F02D2200/1004—Estimation of the output torque
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1006—Engine torque losses, e.g. friction or pumping losses or losses caused by external loads of accessories

Abstract

L'invention concerne un procédé d'estimation du couple moteur d'un moteur à combustion interne en fonctionnement, comprenant une étape de détermination d'une consigne de couple moteur et caractérisé en ce que : -on détermine une richesse de consigne (Φc) à partir de la consigne de couple moteur, -on détermine la richesse réelle (Φfonc) de fonctionnement du moteur, -on applique à la consigne de couple moteur un coefficient (Ccor) de correction obtenu à partir de la richesse de consigne (Φc) et de la richesse réelle (Φfonc) pour obtenir le couple moteur réel du moteur en fonctionnement.The invention relates to a method for estimating the driving torque of an internal combustion engine in operation, comprising a step of determining an engine torque setpoint and characterized in that: -on determines a desired setpoint (Φc) starting from the engine torque setpoint, the real engine operating efficiency (Φfunction) is determined, -a correction coefficient (Ccor) obtained from the setpoint richness (Φc) is applied to the engine torque setpoint. and actual wealth (Φfonc) to obtain the actual engine torque of the engine in operation.

FR1752053A 2017-03-14 2017-03-14 METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION Active FR3064027B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1752053A FR3064027B1 (en) 2017-03-14 2017-03-14 METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION
EP18156234.9A EP3376007A1 (en) 2017-03-14 2018-02-12 Method for estimating the torque of an internal combustion engine during operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1752053A FR3064027B1 (en) 2017-03-14 2017-03-14 METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION
FR1752053 2017-03-14

Publications (2)

Publication Number Publication Date
FR3064027A1 FR3064027A1 (en) 2018-09-21
FR3064027B1 true FR3064027B1 (en) 2019-03-22

Family

ID=58779170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1752053A Active FR3064027B1 (en) 2017-03-14 2017-03-14 METHOD OF ESTIMATING THE TORQUE OF AN INTERNAL COMBUSTION ENGINE IN OPERATION

Country Status (2)

Country Link
EP (1) EP3376007A1 (en)
FR (1) FR3064027B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755184B1 (en) * 1996-10-31 1999-01-15 Renault SYSTEM FOR REGULATING THE WEALTH OF AN INJECTION HEAT ENGINE WITH ADAPTIVE WEALTH SETTING
EP1021649B1 (en) * 1997-10-07 2002-05-15 Siemens Aktiengesellschaft Method and device for supervising an internal combustion engine
JP2013068146A (en) * 2011-09-22 2013-04-18 Nissan Motor Co Ltd Engine torque estimation device of internal combustion engine
DE102014209174A1 (en) * 2014-05-15 2015-11-19 Robert Bosch Gmbh Method and device for controlling an air-fuel mixture for operating an internal combustion engine

Also Published As

Publication number Publication date
FR3064027A1 (en) 2018-09-21
EP3376007A1 (en) 2018-09-19

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