FR2769985B1 - Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaire - Google Patents
Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaireInfo
- Publication number
- FR2769985B1 FR2769985B1 FR9713064A FR9713064A FR2769985B1 FR 2769985 B1 FR2769985 B1 FR 2769985B1 FR 9713064 A FR9713064 A FR 9713064A FR 9713064 A FR9713064 A FR 9713064A FR 2769985 B1 FR2769985 B1 FR 2769985B1
- Authority
- FR
- France
- Prior art keywords
- aging
- monitoring
- oxygen sensor
- linear oxygen
- linear
- 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.)
- Expired - Fee Related
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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- 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
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/148—Using a plurality of comparators
-
- 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
- F02D41/24—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
- F02D41/2474—Characteristics of sensors
-
- 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
- F02D41/24—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
- F02D41/2454—Learning of the air-fuel ratio control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713064A FR2769985B1 (fr) | 1997-10-17 | 1997-10-17 | Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaire |
EP19980402511 EP0909888B1 (fr) | 1997-10-17 | 1998-10-09 | Procédé de surveillance du fonctionnement et du vieillissement d'un capteur à oxygène linéaire |
DE1998613134 DE69813134T2 (de) | 1997-10-17 | 1998-10-09 | Verfahren zur Überwachung der Funktionsfähigkeit und der Alterung einer linearen Sauerstoffsonde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713064A FR2769985B1 (fr) | 1997-10-17 | 1997-10-17 | Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2769985A1 FR2769985A1 (fr) | 1999-04-23 |
FR2769985B1 true FR2769985B1 (fr) | 1999-12-31 |
Family
ID=9512389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9713064A Expired - Fee Related FR2769985B1 (fr) | 1997-10-17 | 1997-10-17 | Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaire |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0909888B1 (fr) |
DE (1) | DE69813134T2 (fr) |
FR (1) | FR2769985B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4462142B2 (ja) * | 2005-07-28 | 2010-05-12 | 株式会社デンソー | 内燃機関用制御装置 |
DE102010041311A1 (de) * | 2010-09-24 | 2012-03-29 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung der Funktion eines Abgassensors |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2581828B2 (ja) * | 1990-06-01 | 1997-02-12 | 株式会社日立製作所 | 内燃機関の空燃比制御方法及びその制御装置 |
JP2754501B2 (ja) * | 1990-11-29 | 1998-05-20 | 本田技研工業株式会社 | 内燃エンジンの空燃比制御方法及びその空燃比制御に使用する排気濃度センサの劣化検出方法 |
DE4139561A1 (de) * | 1991-11-30 | 1993-06-03 | Bosch Gmbh Robert | Verfahren und vorrichtung zum ueberwachen des alterungszustandes einer sauerstoffsonde |
JPH08177575A (ja) * | 1994-12-28 | 1996-07-09 | Nippondenso Co Ltd | 内燃機関の空燃比制御装置の自己診断装置 |
FR2740173B1 (fr) * | 1995-10-18 | 1997-12-05 | Renault | Dispositif et procede de diagnostic de l'etat d'une sonde disposee en amont du pot catalytique |
-
1997
- 1997-10-17 FR FR9713064A patent/FR2769985B1/fr not_active Expired - Fee Related
-
1998
- 1998-10-09 DE DE1998613134 patent/DE69813134T2/de not_active Expired - Lifetime
- 1998-10-09 EP EP19980402511 patent/EP0909888B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2769985A1 (fr) | 1999-04-23 |
EP0909888B1 (fr) | 2003-04-09 |
DE69813134T2 (de) | 2003-12-11 |
DE69813134D1 (de) | 2003-05-15 |
EP0909888A1 (fr) | 1999-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20130628 |