FR3056254B1 - Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande. - Google Patents

Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande.

Info

Publication number
FR3056254B1
FR3056254B1 FR1658693A FR1658693A FR3056254B1 FR 3056254 B1 FR3056254 B1 FR 3056254B1 FR 1658693 A FR1658693 A FR 1658693A FR 1658693 A FR1658693 A FR 1658693A FR 3056254 B1 FR3056254 B1 FR 3056254B1
Authority
FR
France
Prior art keywords
diagnosing
post
combustion engine
internal combustion
processing system
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
FR1658693A
Other languages
English (en)
Other versions
FR3056254A1 (fr
Inventor
Pascal Lemesle
Juan Antonio Carcel-Cubas
Guillaume Chabard
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR1658693A priority Critical patent/FR3056254B1/fr
Publication of FR3056254A1 publication Critical patent/FR3056254A1/fr
Application granted granted Critical
Publication of FR3056254B1 publication Critical patent/FR3056254B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • 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
    • F02D41/1456—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 with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • 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
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • 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
    • F02D41/30—Controlling fuel injection
    • 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
    • F02D2041/227—Limping Home, i.e. taking specific engine control measures at abnormal 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
    • F02D41/02—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
    • F02D41/1458—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 with determination means using an estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR1658693A 2016-09-16 2016-09-16 Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande. Active FR3056254B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1658693A FR3056254B1 (fr) 2016-09-16 2016-09-16 Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1658693A FR3056254B1 (fr) 2016-09-16 2016-09-16 Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande.

Publications (2)

Publication Number Publication Date
FR3056254A1 FR3056254A1 (fr) 2018-03-23
FR3056254B1 true FR3056254B1 (fr) 2018-10-12

Family

ID=57583237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1658693A Active FR3056254B1 (fr) 2016-09-16 2016-09-16 Procede de diagnostic d'une sonde a oxygene proportionnelle disposee en amont du systeme de post-traitement d'un moteur a combustion interne a allumage commande.

Country Status (1)

Country Link
FR (1) FR3056254B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3101668B1 (fr) * 2019-10-07 2022-06-24 Renault Sas Procede de diagnostic d’un systeme de post-traitement d’un moteur a allumage commande

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970010317B1 (ko) * 1989-06-16 1997-06-25 니뽄 도꾸슈 도교오 가부시끼가이샤 공연비 제어장치
JP4033617B2 (ja) * 2000-09-04 2008-01-16 株式会社日立製作所 エンジンの空燃比制御装置
DE10223554C1 (de) * 2002-05-27 2003-08-14 Siemens Ag Verfahren zur Diagnose einer Lambdasonde
DE102005032456A1 (de) * 2005-07-12 2007-01-25 Robert Bosch Gmbh Verfahren zur Dynamikdiagnose einer Abgassonde
JP5146349B2 (ja) * 2009-02-12 2013-02-20 三菱自動車工業株式会社 エンジンの制御装置
US9074513B2 (en) * 2012-01-18 2015-07-07 Ford Global Technologies, Llc Non-intrusive exhaust gas sensor monitoring

Also Published As

Publication number Publication date
FR3056254A1 (fr) 2018-03-23

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