EP2619432A1 - Procédé et dispositif de surveillance du fonctionnement d'un capteur de gaz d'échappement - Google Patents
Procédé et dispositif de surveillance du fonctionnement d'un capteur de gaz d'échappementInfo
- Publication number
- EP2619432A1 EP2619432A1 EP11760736.6A EP11760736A EP2619432A1 EP 2619432 A1 EP2619432 A1 EP 2619432A1 EP 11760736 A EP11760736 A EP 11760736A EP 2619432 A1 EP2619432 A1 EP 2619432A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- gas sensor
- combustion engine
- internal combustion
- operating point
- 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.)
- Granted
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
- 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
-
- 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
-
- 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
- F02D41/04—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
Definitions
- the second operating point can be unambiguously specified by the fact that the second operating point of the internal combustion engine by a speed or an injection quantity or an air mass or an exhaust gas recirculation state considered individually or in combination of the sizes.
- the method and the device can preferably be used for monitoring a lambda probe.
- FIG. 2 shows a second flow chart of a second program sequence for monitoring the function of the exhaust gas sensor designed as a broadband lambda probe in the technical environment described for FIG.
- This second program sequence is also stored in the control unit.
- the second program sequence is activated if the learning values for the second operating point are determined by the first program sequence described in FIG.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010041311A DE102010041311A1 (de) | 2010-09-24 | 2010-09-24 | Verfahren und Vorrichtung zur Überwachung der Funktion eines Abgassensors |
PCT/EP2011/065467 WO2012038256A1 (fr) | 2010-09-24 | 2011-09-07 | Procédé et dispositif de surveillance du fonctionnement d'un capteur de gaz d'échappement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2619432A1 true EP2619432A1 (fr) | 2013-07-31 |
EP2619432B1 EP2619432B1 (fr) | 2015-06-03 |
Family
ID=44675558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11760736.6A Not-in-force EP2619432B1 (fr) | 2010-09-24 | 2011-09-07 | Procédé et dispositif de surveillance du fonctionnement d'un capteur de gaz d'échappement |
Country Status (6)
Country | Link |
---|---|
US (1) | US9494073B2 (fr) |
EP (1) | EP2619432B1 (fr) |
JP (1) | JP5432422B2 (fr) |
CN (1) | CN103109066B (fr) |
DE (1) | DE102010041311A1 (fr) |
WO (1) | WO2012038256A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013201316A1 (de) | 2012-02-06 | 2013-08-08 | Robert Bosch Gmbh | Verfahren zur Kalibrierung von Abgas-Sonden und Kraftstoffdosiereinrichtungen |
JP6090092B2 (ja) * | 2013-10-01 | 2017-03-08 | トヨタ自動車株式会社 | 空燃比センサの異常診断装置 |
JPWO2016098227A1 (ja) * | 2014-12-18 | 2017-09-07 | 三菱自動車工業株式会社 | ハイブリッド車の故障判定装置 |
US9657674B2 (en) * | 2015-03-06 | 2017-05-23 | Ford Global Technologies, Llc | Method and system for determining air-fuel ratio imbalance |
DE102016125196A1 (de) * | 2016-12-21 | 2018-06-21 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Verfahren zur Entgleisungsdetektion anhand von Raddrehzahlsignalen |
CN107023367B (zh) * | 2017-03-29 | 2019-04-12 | 北京航空航天大学 | 一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法 |
CN108798849B (zh) * | 2017-04-26 | 2021-01-19 | 上汽通用汽车有限公司 | 车辆催化器怠速诊断系统和方法 |
US11346264B2 (en) * | 2019-08-29 | 2022-05-31 | Cummins Emission Solutions Inc. | Systems and methods for controlling exhaust gas aftertreatment sensor systems |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62250351A (ja) * | 1986-04-23 | 1987-10-31 | Honda Motor Co Ltd | 内燃エンジンの排気ガス濃度センサの異常検出方法 |
JP3227153B2 (ja) * | 1990-09-05 | 2001-11-12 | 本田技研工業株式会社 | 内燃エンジンのhcセンサの劣化検出装置 |
JP2893308B2 (ja) * | 1993-07-26 | 1999-05-17 | 株式会社ユニシアジェックス | 内燃機関の空燃比制御装置 |
JP2858288B2 (ja) * | 1993-09-02 | 1999-02-17 | 株式会社ユニシアジェックス | 内燃機関の空燃比制御装置における自己診断装置 |
DE4335700A1 (de) * | 1993-10-20 | 1995-04-27 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Funktionsüberwachung eines Sensors |
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 |
FR2769985B1 (fr) * | 1997-10-17 | 1999-12-31 | Renault | Procede et systeme de surveillance du fonctionnement et du vieillissement d'un capteur a oxygene lineaire |
JP3500976B2 (ja) * | 1998-08-06 | 2004-02-23 | 株式会社デンソー | ガス濃度センサの異常診断装置 |
WO2002068807A1 (fr) * | 2001-02-26 | 2002-09-06 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Purificateur de gaz d'echappement pour moteurs thermiques |
US6736121B2 (en) * | 2002-06-04 | 2004-05-18 | Ford Global Technologies, Llc | Method for air-fuel ratio sensor diagnosis |
US6925796B2 (en) * | 2003-11-19 | 2005-08-09 | Ford Global Technologies, Llc | Diagnosis of a urea SCR catalytic system |
EP1724458A1 (fr) * | 2005-05-19 | 2006-11-22 | Delphi Technologies, Inc. | Méthode et dispositif pour diagnostiquer une valeur mesurée |
JP4321520B2 (ja) | 2005-12-28 | 2009-08-26 | トヨタ自動車株式会社 | 動力出力装置およびこれを搭載する車両並びに動力出力装置の制御方法 |
US7444235B2 (en) * | 2007-02-06 | 2008-10-28 | Gm Global Technology Operations, Inc. | Post catalyst oxygen sensor diagnostic |
JP4240132B2 (ja) * | 2007-04-18 | 2009-03-18 | 株式会社デンソー | 内燃機関の制御装置 |
JP5519159B2 (ja) * | 2009-02-03 | 2014-06-11 | トヨタ自動車株式会社 | ハイブリッド車およびその制御方法 |
-
2010
- 2010-09-24 DE DE102010041311A patent/DE102010041311A1/de not_active Withdrawn
-
2011
- 2011-09-07 EP EP11760736.6A patent/EP2619432B1/fr not_active Not-in-force
- 2011-09-07 JP JP2013529606A patent/JP5432422B2/ja not_active Expired - Fee Related
- 2011-09-07 US US13/825,931 patent/US9494073B2/en active Active
- 2011-09-07 CN CN201180046130.3A patent/CN103109066B/zh not_active Expired - Fee Related
- 2011-09-07 WO PCT/EP2011/065467 patent/WO2012038256A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012038256A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012038256A1 (fr) | 2012-03-29 |
JP5432422B2 (ja) | 2014-03-05 |
CN103109066A (zh) | 2013-05-15 |
US9494073B2 (en) | 2016-11-15 |
DE102010041311A1 (de) | 2012-03-29 |
US20130269316A1 (en) | 2013-10-17 |
EP2619432B1 (fr) | 2015-06-03 |
JP2013537952A (ja) | 2013-10-07 |
CN103109066B (zh) | 2015-11-25 |
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