FR2794169B1 - Procede de controle de la capacite de fonctionnement d'un pot catalytique - Google Patents

Procede de controle de la capacite de fonctionnement d'un pot catalytique

Info

Publication number
FR2794169B1
FR2794169B1 FR0003426A FR0003426A FR2794169B1 FR 2794169 B1 FR2794169 B1 FR 2794169B1 FR 0003426 A FR0003426 A FR 0003426A FR 0003426 A FR0003426 A FR 0003426A FR 2794169 B1 FR2794169 B1 FR 2794169B1
Authority
FR
France
Prior art keywords
controlling
operating capability
pot
catalytic
catalytic pot
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
Application number
FR0003426A
Other languages
English (en)
Other versions
FR2794169A1 (fr
Inventor
Alexander Ketterer
Hartmut Pfleger
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2794169A1 publication Critical patent/FR2794169A1/fr
Application granted granted Critical
Publication of FR2794169B1 publication Critical patent/FR2794169B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • 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
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16—Oxygen
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0003426A 1999-03-26 2000-03-17 Procede de controle de la capacite de fonctionnement d'un pot catalytique Expired - Fee Related FR2794169B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19913901A DE19913901C2 (de) 1999-03-26 1999-03-26 Verfahren zum Überprüfen der Funktionsfähigkeit eines Katalysators

Publications (2)

Publication Number Publication Date
FR2794169A1 FR2794169A1 (fr) 2000-12-01
FR2794169B1 true FR2794169B1 (fr) 2005-06-24

Family

ID=7902618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0003426A Expired - Fee Related FR2794169B1 (fr) 1999-03-26 2000-03-17 Procede de controle de la capacite de fonctionnement d'un pot catalytique

Country Status (4)

Country Link
US (1) US6314723B1 (fr)
DE (1) DE19913901C2 (fr)
FR (1) FR2794169B1 (fr)
GB (1) GB2349226B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10065123B4 (de) 2000-12-28 2012-12-20 Robert Bosch Gmbh Verfahren zur Steuerung einer Diagnose eines Katalysators im Abgas eines Verbrennungsmotors
US6546718B2 (en) * 2001-06-19 2003-04-15 Ford Global Technologies, Inc. Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
US6591604B2 (en) * 2001-06-19 2003-07-15 Ford Global Technologies, Llc Oxygen storage capacity estimation
FR2849105B1 (fr) * 2002-12-18 2007-03-16 Renault Sa Procede de commande d'un moteur a combustion interne pour la regeneration de moyens de purification des gaz d'echappement et dispositif associe
US6904751B2 (en) 2003-06-04 2005-06-14 Ford Global Technologies, Llc Engine control and catalyst monitoring with downstream exhaust gas sensors
US6879906B2 (en) * 2003-06-04 2005-04-12 Ford Global Technologies, Llc Engine control and catalyst monitoring based on estimated catalyst gain
US7000379B2 (en) 2003-06-04 2006-02-21 Ford Global Technologies, Llc Fuel/air ratio feedback control with catalyst gain estimation for an internal combustion engine
DE102004004277A1 (de) * 2004-01-27 2005-09-22 Audi Ag Verfahren zur Beurteilung der Güte eines einer Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges, nachgeschalteten Abgaskatalysators
DE102004038481B3 (de) * 2004-08-07 2005-07-07 Audi Ag Verfahren zur Regelung des einer Brennkraftmaschine zugeführten Luft/Kraftstoffverhältnisses
DE102006018662B3 (de) * 2006-04-21 2007-11-08 Audi Ag Verfahren zur Überwachung der Funktionsfähigkeit eines Abgaskatalysators
US8186151B2 (en) * 2009-06-09 2012-05-29 GM Global Technology Operations LLC Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications
JP5644291B2 (ja) * 2010-09-10 2014-12-24 トヨタ自動車株式会社 内燃機関の燃料噴射量制御装置
US20130213008A1 (en) * 2012-02-21 2013-08-22 Cummins Inc. Method and system for improving the robustness of aftertreatment systems
JP6107674B2 (ja) * 2014-01-10 2017-04-05 トヨタ自動車株式会社 内燃機関の制御装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62223427A (ja) * 1986-03-20 1987-10-01 Nissan Motor Co Ltd 空燃比制御装置
GB9003235D0 (en) * 1990-02-13 1990-04-11 Lucas Ind Plc Exhaust gas catalyst monitoring
US5077970A (en) * 1990-06-11 1992-01-07 Ford Motor Company Method of on-board detection of automotive catalyst degradation
DE4211116A1 (de) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Verfahren und Vorrichtung zur Katalysatorzustandserkennung
JP3157061B2 (ja) * 1993-04-26 2001-04-16 株式会社日立製作所 触媒劣化診断システム
JP2962987B2 (ja) * 1993-12-01 1999-10-12 本田技研工業株式会社 内燃機関の燃料制御装置
JP3244584B2 (ja) * 1994-02-10 2002-01-07 株式会社日立製作所 エンジン排気ガス浄化装置の診断方法及び装置
US5678402A (en) * 1994-03-23 1997-10-21 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto
DE4433631B4 (de) * 1994-09-21 2004-06-17 Robert Bosch Gmbh Verfahren zur Bildung eines Signals bezüglich einer Temperatur im Abgassystem einer Brennkraftmaschine
US5724809A (en) * 1995-06-12 1998-03-10 Toyota Jidosha Kabushiki Kaisha Device for determining deterioration of a catalytic converter for an engine
US5857163A (en) * 1995-12-12 1999-01-05 General Motors Corporation Adaptive engine control responsive to catalyst deterioration estimation
JP3674017B2 (ja) * 1996-03-19 2005-07-20 株式会社デンソー 排出ガス浄化用触媒劣化検出装置
DE19630940C2 (de) * 1996-07-31 1999-03-04 Siemens Ag Verfahren zur Überprüfung des Katalysatorwirkungsgrades
US5956941A (en) * 1996-10-15 1999-09-28 Ford Global Technologies, Inc. Method and system for estimating a midbed temperature of a catalytic converter
US5896743A (en) * 1997-06-24 1999-04-27 Heraeus Electro-Nite International N.V. Catalyst monitor utilizing a lifetime temperature profile for determining efficiency
DE19729116A1 (de) * 1997-07-08 1999-01-14 Hippold Hans Peter Verbindungsglied in Form einer Öse und Verfahren zu dessen Herstellung
US5848528A (en) * 1997-08-13 1998-12-15 Siemens Automotive Corporation Optimization of closed-loop and post O2 fuel control by measuring catalyst oxygen storage capacity
US6003307A (en) * 1998-02-06 1999-12-21 Engelhard Corporation OBD calorimetric sensor system with offset error correction
US6006153A (en) * 1998-10-22 1999-12-21 Chrysler Corporation Discrete processing catalyst monitoring

Also Published As

Publication number Publication date
DE19913901A1 (de) 2000-10-05
GB2349226B (en) 2003-03-19
GB0006949D0 (en) 2000-05-10
FR2794169A1 (fr) 2000-12-01
US6314723B1 (en) 2001-11-13
DE19913901C2 (de) 2001-10-18
GB2349226A (en) 2000-10-25

Similar Documents

Publication Publication Date Title
FR2767885B1 (fr) Procede de commande d'un embrayage
MA26250A1 (fr) PROCEDE DE CONTRôLE D'UN DETECTEUR.
FR2794169B1 (fr) Procede de controle de la capacite de fonctionnement d'un pot catalytique
NO964156D0 (no) Fremgangsmåte for å regulere utpumpingen fra en avlöpsstasjon
AU3672800A (en) Method for controlling the activity of immunologically functional molecule
FR2767524B1 (fr) Procede ameliore d'obtention de paraxylene a partir de coupes de c8 aromatiques
FR2808076B1 (fr) Procede de commande d'un bruleur
FR2764838B1 (fr) Procede de commande d'un manipulateur
FR2760153B1 (fr) Procede de commande d'un convertisseur analogique-numerique
FR2764211B1 (fr) Procede de preparation de catalyseurs d'hydrotraitement
FR2802410B1 (fr) Procede de fonctionnement d'une couveuse
FR2790150B1 (fr) Procede de regulation d'un generateur a double resonance
ITRM990744A0 (it) Metodo per l'istallazione di elevatori.
MA24628A1 (fr) Procede perfectionne pour la reparation d'un agent antiparasitaire derive de la doramectine .
AU2000225768A1 (en) Plant disease control method
FR2794804B1 (fr) PROCEDE DE COMMANDE DU FONCTIONNEMENT D'UN CATALYSEUR ACCUMULATEUR DE NOx
FR2784514B1 (fr) Procede de controle d'un laser semiconducteur unipolaire
FR2786284B1 (fr) Procede de controle de mouvement d'un element servocommande
FR2765013B1 (fr) Procede d'imbrication de balayage
IS1853B (is) Ný aðferð til að búa til 3-N,N-dísýklóbútýlamínó-8-flúor-3,4-díhýdró-2H-1-bensópýran-5-karboxamíð
ITTO20000965A0 (it) Procedimento per produrre l'acido monocarbossilico + )-trans-crisantemico.
FR2720438B1 (fr) Procédé de contrôle en déplacement d'un moyen élévateur.
FR2790900B3 (fr) Procede de controle de la qualite d'un signal audionumerique distribue
DE69815513D1 (de) Photoperiodische wachstumsregelung
FR2846040B1 (fr) Procede de commande d'un catalyseur d'accumulation de nox

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20101130