DE10328014A1 - Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors - Google Patents
Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors Download PDFInfo
- Publication number
- DE10328014A1 DE10328014A1 DE10328014A DE10328014A DE10328014A1 DE 10328014 A1 DE10328014 A1 DE 10328014A1 DE 10328014 A DE10328014 A DE 10328014A DE 10328014 A DE10328014 A DE 10328014A DE 10328014 A1 DE10328014 A1 DE 10328014A1
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- drive system
- period
- exhaust
- computing device
- 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.)
- Withdrawn
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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
-
- 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
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/28—Interface circuits
- F02D2041/281—Interface circuits between sensors and control unit
- F02D2041/285—Interface circuits between sensors and control unit the sensor having a signal processing unit external to the engine control unit
-
- 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
- F02D41/1494—Control of sensor heater
-
- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Die Erfindung betrifft ein Antriebssystem für ein Kraftfahrzeug mit einem Verbrennungsmotor, mit einem Steuergerät zum Steuern des Verbrennungsmotors und mit einem dem Verbrennungsmotor nachgeordneten Abgassystem zum Abführen eines Abgasgemisches aus zumindest zwei Abgasen, wobei das Abgassystem zumindest zwei Abgassensoren zur Messung der Menge zumindest eines mittels des Abgassystems abgeführten Abgases aufweist.The The invention relates to a drive system for a motor vehicle with a Internal combustion engine, with a control unit for controlling the internal combustion engine and with an internal combustion engine downstream exhaust system for lead away an exhaust gas mixture of at least two exhaust gases, wherein the exhaust system at least two exhaust gas sensors for measuring the amount of at least one discharged by means of the exhaust system Has exhaust gas.
Es ist Aufgabe der Erfindung, ein derartiges Antriebssystem kostengünstiger zu gestalten.It Object of the invention, such a drive system cheaper to design.
Vorgenannte Aufgabe wird durch ein Antriebssystem für ein Kraftfahrzeug mit einem Verbrennungsmotor, mit einem Steuergerät zum Steuern des Verbrennungsmotors und mit einem dem Verbrennungsmotor nachgeordneten Abgassystem zum Abführen eines Abgasgemisches aus zumindest zwei Abgasen, z. B. HC, SO2, CO, NOx, CO2 und/oder O2, gelöst, wobei das Abgassystem zumindest zwei Abgassensoren zur Messung der Menge zumindest eines mittels des Abgassystems abgeführten Abgases aufweist, und wobei das Antriebssystem eine räumlich von dem Steuergerät getrennte Recheneinrichtung aufweist, die datentechnisch mit den zumindest zwei Abgassensoren verbunden ist. Die Recheneinrichtung kann dabei zur Ausgabe der Menge von in dem Abgasgemisch enthaltenem HC, SO2, CO, NOx, CO2 und/oder O2 ausgebildet sein.The aforementioned object is achieved by a drive system for a motor vehicle with an internal combustion engine, with a control unit for controlling the internal combustion engine and with an exhaust system downstream of the internal combustion engine for discharging an exhaust gas mixture from at least two exhaust gases, eg. B. HC, SO 2 , CO, NO x , CO 2 and / or O 2 , wherein the exhaust system has at least two exhaust gas sensors for measuring the amount of at least one exhaust gas discharged by means of the exhaust system, and wherein the drive system spatially from the control unit having separate computing device, which is data-technically connected to the at least two exhaust gas sensors. The computing device can be designed to output the amount of HC, SO 2 , CO, NO x , CO 2 and / or O 2 contained in the exhaust gas mixture.
Vorgenannte Aufgabe wird zudem durch ein Verfahren zum Betrieb eines Antriebssystems mit einem Abgassystem zum Abführen eines Abgasgemisches aus zumindest zwei Abgasen, z. B. HC, SO2, CO, NOx, CO2 und/oder O2, und mit zumindest zwei Abgassensoren zur Messung der Menge zumindest eines mittels des Abgassystems abgeführten Abgases, z. B. HC, SO2, CO, NOx, CO2 und/oder O2, gelöst, wobei mittels einer Recheneinrichtung eine auf einem Messwert eines ersten der beiden zumindest zwei Abgassensoren basierende Information bezüglich der Menge zumindest eines mittels des Abgassystems abgeführten Abgases, z. B. HC, SO2, CO, NOx, CO2 und/oder O2, periodisch mit einer ersten Periode ausgegeben wird. Vorteilhafterweis wird mittels der Recheneinrichtung zudem eine auf einem Messwert eines zweiten der beiden zumindest zwei Abgassensoren basierende Information bezüglich der Menge zumindest eines mittels des Abgassystems abgeführten Abgases, z. B. HC, SO2, CO, NOx, CO2 und/oder O2, periodisch mit einer zweiten Periode ausgegeben.The aforementioned object is also achieved by a method for operating a drive system with an exhaust system for discharging an exhaust gas mixture from at least two exhaust gases, for. B. HC, SO 2 , CO, NO x , CO 2 and / or O 2 , and with at least two exhaust gas sensors for measuring the amount of at least one exhaust gas discharged by means of the exhaust system, for. B. HC, SO 2 , CO, NO x , CO 2 and / or O 2 , solved by means of a computing device based on a measured value of a first of the two at least two exhaust gas sensors information with respect to the amount of at least one exhaust gas discharged by the exhaust system, z. B. HC, SO 2 , CO, NO x , CO 2 and / or O 2 , is output periodically with a first period. Advantageously, by means of the computing device also based on a measured value of a second of the two at least two exhaust gas sensors information with respect to the amount of at least one discharged by the exhaust system exhaust gas, for. As HC, SO 2 , CO, NO x , CO 2 and / or O 2 , issued periodically with a second period.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist die Recheneinrichtung über eine Kommunikationsverbindung mit dem Steuergerät verbunden, wobei die Kommunikationsverbindung in weiterhin vorteilhafter Ausgestaltung der Erfindung eine Zweidrahtleitung ist. Vorteilhafterweise ist diese Kommunikationsverbindung Teil eines Bussystems.In Furthermore, an advantageous embodiment of the invention, the computing device via a Communication link connected to the controller, wherein the communication link in a further advantageous embodiment of the invention, a two-wire line is. Advantageously, this communication connection is part a bus system.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist dem Steuergerät über die Kommunikationsverbindung von der Recheneinrichtung eine Information über die Menge zumindest eines mittels des Abgassystems abgeführten Abgases übermittelbar.In Furthermore, advantageous embodiment of the invention is the control unit on the Communication connection from the computing device information about the Amount of at least one exhaust gas discharged by means of the exhaust system übermittelbar.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist diese Information bezüglich der Menge des zumindest einen mittels des Abgassystems abgeführten Abgases periodisch, insbesondere mit einer veränderbaren Periode, übermittelbar.In Furthermore, advantageous embodiment of the invention, this information in terms of the amount of the at least one exhaust gas discharged by means of the exhaust system periodically, in particular with a variable period, can be transmitted.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist eine auf einem Messwert eines ersten der beiden zumindest zwei Abgassensoren basierende Information bezüglich der Menge zumindest eines mittels des Abgassystems abgeführten Abgases periodisch mit einer veränderbaren ersten Periode übermittelbar. Vorteilhafterweise ist zudem eine auf einem Messwert eines zweiten der beiden zumindest zwei Abgassensoren basierende Information bezüglich der Menge zumindest eines mittels des Abgassystems abgeführten Abgases periodisch mit einer veränderbaren zweiten Periode übermittelbar. Dabei ist die erste Periode in weiterhin vorteilhafter Ausgestaltung der Erfindung auf einen von der zweiten Periode verschiedenen Wert einstellbar.In Furthermore, an advantageous embodiment of the invention is an on a measured value of a first of the two at least two exhaust gas sensors based information regarding the amount of at least one exhaust gas discharged by means of the exhaust system periodically with a changeable first period. Advantageously, one is also on a measured value of a second the two information based on at least two exhaust gas sensors Amount of at least one exhaust gas discharged by means of the exhaust system periodically with a changeable second period. In this case, the first period is in a further advantageous embodiment of the invention to a value different from the second period adjustable.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist die Periode auf Anforderung des Steuergerätes veränderbar.In Another advantageous embodiment of the invention is the period at the request of the control unit variable.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist die Recheneinrichtung in räumlicher Nähe der zumindest zwei Abgassensoren angeordnet. Sie kann dabei insbesondere weniger als 0,75m von den zumindest zwei Abgassensoren entfernt sein.In Furthermore, an advantageous embodiment of the invention is the computing device in spatial Near the at least two exhaust gas sensors arranged. You can in particular less than 0.75m away from the at least two exhaust gas sensors.
In weiterhin vorteilhafter Ausgestaltung der Erfindung ist zumindest ein Abgassensor mittels der Recheneinrichtung auf eine Betriebstemperatur regelbar. In weiterhin vorteilhafter Ausgestaltung der Erfindung ist ein Abgassensor mittels der Recheneinrichtung parametrierbar und/oder mit elektrischer Energie versorgbar.In a further advantageous embodiment of the invention, at least one exhaust gas sensor by means of Re cheneinrichtung adjustable to an operating temperature. In a further advantageous embodiment of the invention, an exhaust gas sensor can be parameterized by means of the computing device and / or supplied with electrical energy.
In weiterhin vorteilhafter Ausgestaltung der Erfindung wird die Periode in Abhängigkeit eines Betriebszustandes des Antriebssystems verändert. Betriebszustände im Sinne der Erfindung können z. B. Kaltstart des Verbrennungsmotors, Heizen eines Katalysators, Magerbetrieb, Regeneration, Katalysatordiagnose und/oder Diagnose einer Abgasrückführung sein.In Further advantageous embodiment of the invention is the period dependent on changed an operating state of the drive system. Operating conditions in the sense of the invention z. B. cold start of the internal combustion engine, heating a catalyst, Lean operation, regeneration, catalyst diagnosis and / or diagnosis be an exhaust gas recirculation.
In weiterhin vorteilhafter Ausgestaltung der Erfindung wird die Periode in Abhängigkeit einer Temperatur des Abgasgemisches und/oder der Betriebsbereitschaft eines Abgassensors verändert.In Further advantageous embodiment of the invention is the period dependent on a temperature of the exhaust gas mixture and / or the operational readiness an exhaust gas sensor changed.
In weiterhin vorteilhafter Ausgestaltung der Erfindung beträgt die Periode, mit der die auf den Messwerten eines vor einem Katalysator angeordneten Abgassensors basierende Information übertragen wird, das 0,1- bis 10-fache der Periode, mit der die auf den Messwerten eines hinter dem Katalysator angeordneten Abgassensors basierende Information übertragen wird.In In another advantageous embodiment of the invention, the period is with the one arranged on the readings of one in front of a catalyst Exhaust gas sensor based information is transmitted, the 0.1 to 10 times the period with which on the readings of a behind transmit information based on the catalyst arranged on the exhaust gas sensor becomes.
Weitere Vorteile und Einzelheiten ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen. Dabei zeigen:Further Advantages and details will become apparent from the following description of exemplary embodiments. Showing:
In
der vorliegenden beispielhaften Ausgestaltung ist hinter dem Vorkatalysator
Als
Abgassensoren
Es
können
auch Infrarotsensoren als Abgassensoren
Es
kann zudem vorgesehen sein, dass die Abgassensoren
Es
können
mehr als zwei Abgassensoren vorgesehen sein. So kann das Abgassystem
Das
Antriebssystem
Im
vorliegenden Ausführungsbeispiel
sind die Abgassensoren
Das
Steuergerät
Die
Kommunikationsverbindung kann jedoch auch, wie in
Über die
Kommunikationsverbindung
Wie
in
Für das vorliegende Ausführungsbeispiel sind in Tabelle 1 die den Perioden Δt1, Δt2 entsprechenden Taktraten f1 und f2, also die Kehrwerte der Perioden Δt1 und Δt2, normiert in Abhängigkeit verschiedener Betriebszustände dargestellt.For the present embodiment Table 1 shows the clock rates corresponding to the periods Δt1, Δt2 f1 and f2, ie the inverse of the periods .DELTA.t1 and .DELTA.t2, normalized in dependence different operating states shown.
Soll
eine Periode Δt1, Δt2 verändert werden,
so folgt der Abfrage
Dem
Schritt
Dem
Schritt
- 1, 201, 20
- Antriebssystemdrive system
- 22
- Verbrennungsmotorinternal combustion engine
- 33
- Vorkatalysatorprecatalyzer
- 44
- Hauptkatalysatormain catalyst
- 55
- Abgassystemexhaust system
- 77
- Pfeilarrow
- 8, 98th, 9
- Abgassensorexhaust gas sensor
- 10, 2110 21
- Steuergerätcontrol unit
- 11, 2211 22
- Recheneinrichtungcomputing device
- 1212
- Kommunikationsverbindungcommunication link
- 23, 2423 24
- elektronische Komponenteelectronic component
- 2525
- Bussystembus system
- 30, 33, 3530 33, 35
- Abfragequery
- 31, 32, 34, 3631 32, 34, 36
- Schrittstep
- G1, G2G1, G2
- Messwertreading
- MSMS
- Stellgrößenmanipulated variables
- MZMZ
- Zustandsgrößenstate variables
- M1, M2M1, M2
- Informationinformation
- S1, S2S1, S2
- Heizstromheating
- tt
- ZeitTime
- Δt1, Δt2Δt1, Δt2
- Periodeperiod
Claims (24)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10328014A DE10328014A1 (en) | 2003-06-23 | 2003-06-23 | Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10328014A DE10328014A1 (en) | 2003-06-23 | 2003-06-23 | Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10328014A1 true DE10328014A1 (en) | 2005-01-13 |
Family
ID=33520778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10328014A Withdrawn DE10328014A1 (en) | 2003-06-23 | 2003-06-23 | Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10328014A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1717423A1 (en) * | 2005-04-25 | 2006-11-02 | Ngk Spark Plug Co., Ltd | Sensor control device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19807215C2 (en) * | 1998-02-20 | 2000-06-08 | Siemens Ag | Control system for an internal combustion engine |
DE10048808A1 (en) * | 2000-09-29 | 2002-04-18 | Bosch Gmbh Robert | Method and device for controlling operational processes |
DE10103772C2 (en) * | 2001-01-27 | 2003-05-08 | Omg Ag & Co Kg | Method for operating a three-way catalyst that contains an oxygen-storing component |
-
2003
- 2003-06-23 DE DE10328014A patent/DE10328014A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19807215C2 (en) * | 1998-02-20 | 2000-06-08 | Siemens Ag | Control system for an internal combustion engine |
DE10048808A1 (en) * | 2000-09-29 | 2002-04-18 | Bosch Gmbh Robert | Method and device for controlling operational processes |
DE10103772C2 (en) * | 2001-01-27 | 2003-05-08 | Omg Ag & Co Kg | Method for operating a three-way catalyst that contains an oxygen-storing component |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1717423A1 (en) * | 2005-04-25 | 2006-11-02 | Ngk Spark Plug Co., Ltd | Sensor control device |
US7644576B2 (en) | 2005-04-25 | 2010-01-12 | Ngk Spark Plug Co., Ltd. | Sensor control device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102020103440B4 (en) | Device for estimating the catalyst temperature, system for estimating the catalyst temperature, device for data analysis and control device of an internal combustion engine | |
EP1362167B1 (en) | Method and device for controlling an exhaust treatment system | |
DE102005015998B4 (en) | Catalyst diagnostic procedures | |
US20040244362A1 (en) | Exhaust gas purifying system and regeneration end determining method | |
EP1090220A1 (en) | METHOD FOR REGENERATING AN NOx STORAGE CATALYST FOR AN INTERNAL COMBUSTION ENGINE | |
US11203993B2 (en) | Method for operating an internal combustion engine | |
DE102007000146A1 (en) | Control system for an internal combustion engine | |
DE102016224317A1 (en) | Method and control unit for carrying out diagnoses of an exhaust system of an internal combustion engine | |
EP1108124A1 (en) | METHOD FOR RECOGNIZING AND MAINTAINING THE OPERATIONAL CAPABILITY OF A NOx STORAGE CATALYTIC CONVERTER | |
DE10039952C2 (en) | Procedure for checking an exhaust gas recirculation system | |
DE102018208683A1 (en) | Method and control unit for regulating a fill level of a storage tank of a catalytic converter for an exhaust gas component | |
DE102018218051A1 (en) | Method and control device for operating an internal combustion engine having a first exhaust gas cleaning component and a second exhaust gas cleaning component | |
DE102019128234A1 (en) | Internal combustion engine with a control unit for coordination between measures in an exhaust system and a parameterization of the internal combustion engine | |
DE102019201293A1 (en) | Method for differentiating between model inaccuracies and lambda offsets for model-based control of the fill level of a catalytic converter | |
EP1180210B2 (en) | Method and device for controlling an internal combustion engine with an exhaust treatment system | |
EP1364111B2 (en) | Method for on-board detecting a temperature variable | |
DE10328014A1 (en) | Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors | |
DE10312440B4 (en) | Emission control method for lean-burn engines | |
DE102018251725A1 (en) | Method for regulating a filling of an exhaust gas component store of a catalytic converter | |
EP1298302B1 (en) | Exhaust gas purifying method for lean burn engines | |
DE19859176C2 (en) | Procedure for checking the functionality of a lambda sensor | |
EP1096125A2 (en) | Method for controlling the operation of a NOx storage catalytic converter | |
DE102004018676B4 (en) | Method for operating an internal combustion engine and device for carrying out the method | |
EP3551856B1 (en) | Method for performing diagnoses of an exhaust gas system of an internal combustion engine | |
DE10242914B4 (en) | Method for adapting the raw NOx emission in internal combustion engines |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8141 | Disposal/no request for examination |