EP2191109A1 - Procede de regulation de la temperature d'un filtre a particules - Google Patents
Procede de regulation de la temperature d'un filtre a particulesInfo
- Publication number
- EP2191109A1 EP2191109A1 EP08833782A EP08833782A EP2191109A1 EP 2191109 A1 EP2191109 A1 EP 2191109A1 EP 08833782 A EP08833782 A EP 08833782A EP 08833782 A EP08833782 A EP 08833782A EP 2191109 A1 EP2191109 A1 EP 2191109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature
- filter
- ige
- diesel
- flow rate
- 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- Withdrawn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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- 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
- F01N13/0097—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 the purifying devices are arranged in a single housing
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
-
- 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
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1415—Controller structures or design using a state feedback or a state space representation
- F02D2041/1416—Observer
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1415—Controller structures or design using a state feedback or a state space representation
- F02D2041/1417—Kalman filter
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1418—Several control loops, either as alternatives or simultaneous
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1418—Several control loops, either as alternatives or simultaneous
- F02D2041/1419—Several control loops, either as alternatives or simultaneous the control loops being cascaded, i.e. being placed in series or nested
-
- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- 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
- F02D41/1446—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 exhaust temperatures
-
- 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
Definitions
- the present invention relates to a method for controlling the temperature of a particulate filter, in particular associated with a diesel fuel injection system at the exhaust.
- This treatment is carried out by bringing the filter to a temperature allowing the combustion of accumulated soot.
- a first approach includes the addition of an additive in the fuel to lower the soot combustion temperature of 600 0 C to 45O 0 C.
- diesel fuel is injected directly into the exhaust gas.
- the combustion of this gas oil in the catalyst makes it possible to heat the gases and to bring the filter to the required temperature of 600 ° C.
- the patent application WO2006114548 of the company Renault SA describes such an injection online exhaust, later called IGE for "Exhaust Diesel Fuel Injection”.
- the temperature measurement upstream of the particulate filter is slow to react. This is due to the travel time of the gases. On the other hand, the temperature rise within the catalyst following an injection diesel is fast. Regulation must take this into account. This is why it is difficult and complex to implement a method of controlling an IGE.
- the present invention aims to provide an IGE control method taking into account these different response times in a simple manner. It relates to a method for controlling the temperature of a particulate filter of a diesel engine exhaust line, this exhaust line comprising: a diesel engine exhaust gas inlet,
- a diesel injector forming a system for vaporizing diesel fuel
- a catalyst located upstream of the filter is
- the filter temperature is regulated by means of a fast control loop without the temperature sensor upstream of the particulate filter, keeping the temperature of the filter close to a set temperature with the aid of fast control parameters and associated with a slow servocontrol loop with the temperature measurement adjusting the flow setpoint of the diesel injector
- Such a method makes it possible to regulate the temperature of a particulate filter in the context of an IGE by simply taking into account different control speeds - slow and fast - parameters influencing the temperature of a particulate filter.
- the temperature and the flow rate of the exhaust gases are used as fast control parameters.
- the fast servocontrol loop uses a catalyst temperature model having as inputs the flow rate of the diesel injector, the temperature of the exhaust gases and the air flow upstream of the catalyst to determine by calculates the thermal behavior of the catalyst.
- the model determines a prediction of the temperature of the air entering the filter by means of an equation of the type:
- Kd r5 (mod) r 1 , '. ⁇ Q IGE + z " (n ⁇ T4 l + sTm ⁇ Qa ⁇ r) 1+ sTm [Qa ⁇ r)
- K (Qair) represents, in K. s / g, the exothermic gain between the injected gas oil flow rate and the temperature T5 of the particulate filter.
- the temperature model is inverted to obtain the value of the IGE flow rate according to an equation such that:
- K overs and K fast are constants and T5 (CO n) is a setpoint temperature of the filter.
- the setpoint of the flow rate of the diesel injector is modified as a function of significant saturations of the richness of the gases in the exhaust line.
- the slow servocontrol loop uses a Proportional Integral regulator characterized by the following equations:
- the invention also relates to a motor vehicle equipped with a particulate filter in a diesel engine exhaust line comprising:
- a diesel injector forming a system for vaporizing diesel fuel
- a catalyst located upstream of the filter characterized in that it comprises means for regulating the temperature of the filter by means of:
- FIG. 1 schematically represents an exhaust line of a diesel engine equipped with a diesel fuel injection system Q (IGE),
- IGE diesel fuel injection system Q
- FIG. 2 is a sectional view of an exhaust line filter associated with a thermal probe
- FIGS. 3 and 4 respectively show fast and slow control loops for regulating the temperature of a filter implemented in the invention.
- the exhaust line 1 of a diesel engine considered comprises: - an inlet 2 for exhaust gas from the diesel engine. These gases, represented by arrows, exit at a temperature T4 and a flow rate Q air . This flow is measured by a probe located upstream of the engine.
- the temperature T4 can be measured or estimated from the engine parameters,
- VAP gas oil vaporization system
- the temperature T5 of the air entering the filter 5 must be maintained at a temperature of the order of 600 0 C to allow the combustion of the soot formed by the particles collected.
- the diesel vaporization system implements an injection of gas oil in the exhaust.
- means for measuring the operation of the exhaust line comprise:
- This T5 temperature should not be too high - which would cause a deterioration of the filter and the catalyst or premature aging - nor too low - which would stop the combustion of soot and increase the overall regeneration time of the filter.
- the temperature T5 of the air entering the filter 5 is known thanks to the probe 6.
- the target temperature to be reached differs because the temperature at the core of the filter 5 is higher than at its temperature. periphery.
- a probe placed in the heart of the filter 5 - as shown in Figure 2 - requires the consideration of a target temperature of 65O 0 C while a probe placed on the periphery of this probe has a lower target temperature, for example 55O 0 C.
- the target temperature is 600 ° C.
- the thermal behavior of the catalyst 4 depends on rapid control parameters such as the air flow rate Q air at the inlet 2 of the exhaust line 1. In fact, a homogenization of the temperatures in this line 1 is even faster that the air flow Q air is high.
- the value of the time constant Tm (Qair) of the T5 model is inversely proportional to the air flow.
- a second rapid control parameter is the temperature T4 of the exhaust gas at the inlet 2 of the exhaust line 1.
- the measurement time of the catalyst temperature T5 is a parameter of the slow regulation of this temperature.
- a variation of the temperature T4 at the output of the motor is detected, by the measurement of T5, only with a delay of between 10s and 60s as a function of the value of the air flow Q air .
- the higher the air flow the shorter the delay.
- These delays which are variable with the air flow Q air , are experienced by the IGE.
- An injection of diesel fuel at the exhaust generates an increase in the temperature of the air T5 upstream of the filter measured 60s after the start of the injection operation when the engine is operating at low speed with a low air flow rate. .
- a method for controlling the temperature of a filter according to the invention comprises: a fast servocontrol loop 10, also called open loop 10, (FIG. 3) to provide a flow rate Q ( IGE > to maintain a temperature T5 by means of the rapid control parameters, and
- a slow servo loop 21, also called closed loop 21, (FIG. 4) intended to adjust the rate Q (iGE) calculated by the fast servocontrol loop to maintain the temperature of the filter by means of the slow regulation parameters.
- a fast servocontrol loop 10 determines a setpoint for the IGE flow rate Q ( IGE > by means of a catalyst temperature model 11 that determines the thermal behavior of the catalyst in advance. IGE required. in fact, the model input 11 of temperature T5 are flow IGE Q (IGE) ⁇ temperature T4 of the exhaust gases and the air flow Q air upstream of the catalyst.
- the temperature model is in the form of a first order as, for example, that of the following formula:
- Q (iGE) represents in g / s the flow rate of diesel fuel injected
- Tm (Qair) represents the time constant in s
- K (Qair) represents, in K. s / g, the exothermic gain between the injected gas oil flow rate and the temperature.
- a constant Kd represents the heat losses of the catalyst vis-à-vis the temperature T4 measured at the inlet of the exhaust line and the location of the probe 6 in the catalyst.
- the time constant Tm (Q air ) depends mainly on the mass of the catalyst and, like the gain K (Q air ), it can be identified from bench tests. The knowledge of the trade indicates that it is, as a first approximation, the hydrocarbon concentration in the catalyst that generates the level of temperature rise.
- Concentration is defined as the ratio of hydrocarbon flowrate Q (IGE> to airflow
- K (Qair) is defined by the ratio of temperature rise in the catalyst to quantity of IGE introduced
- K (Qair) is proportional to the inverse of the air flow rate
- the Q flow (IGE) calculated by the fast servocontrol loop is constructed in several steps as follows: An inversion 13 of the thermal model is performed to correspond to the inverse of the exothermic gain K (Q air ) .
- the term of flow of IGE then has for expression:
- the inverse of the model also takes into account the temperature T4 entering the exhaust line.
- a specific term is introduced to compensate for the variations of T4 according to the expression:
- a correction term is also added to accelerate the behavior of the fast servocontrol loop and to minimize temperature overruns around the target temperature. This term is a function of the difference between the estimated temperature T5 (mod) and the set temperature T5 (con):
- Kdepas and Krapide are values to be calibrated using tests carried out, for example, on a test bench.
- - Kdepas is between 0 and 1, the latter value decreasing the overshoot during the rise in temperature to not damage the particulate filter.
- the IGE rate setpoint IGE ( IGE ) is sent simultaneously to a model 11 and to the physical system 12.
- the temperature T5 (mod) estimated from the model 11 is known at the next computation step in contrast to the measured temperature T5 which is known only several tens of seconds later.
- the holding flow rate is calculated from the temperature T5 (mod) estimated by the inverse 13 of the thermal model previously described.
- the quantity Q ( IGE > rate IGE can be saturated before being sent to the physical system 12 and the model 11. In fact, taking into account saturations 14 within the fast servocontrol loop makes it possible to be more accurate.
- a method according to the invention comprises a slow servocontrol loop 21 intended to adjust the IGE flow Q ( IGE > by means of the regulation parameters slow (22).
- such a loop can also correct any modeling errors, as well as the aging of the catalyst.
- Block 22 can be composed by a PI type regulator (Proportional Integral).
- the proportional term Kpeq calculates a correction IGE rate proportional to the error between the measurement T5 and the instruction T5 (con).
- the term Kleq calculates a correction IGE rate from the integral of the error between the measurement T5 and the instruction T5 (con). The objective of the integral part is to ensure that the temperature T5 is as close as possible to the set temperature T5 (con).
- ⁇ t represents the sampling period used in the calculator and H is a constant calibration parameter.
- ⁇ BF is a calibration parameter representing the reaction speed of slow loop control. This parameter is calibrated according to the capacity of the physical system 12 to regulate. By this parameter, the measurement delay is taken into account. A setting too fast as for example T BF less than the delay (60s) can cause a destabilization of the system. This is why a value of 250s in regulation around the target temperature is acceptable. This value can be increased for example up to 750 s during the temperature rise phase of the filter.
- the integral term is selected proportional to the proportional term
- the shape of the gain K peq is notably due to the fact that the whole of the regulation (fast and slow servocontrol loop) is based on the formalism of the predictive control.
- T4 of the exhaust gas makes it possible to improve the fast servocontrol loop. If a measurement or estimate of T4 does not exist, the regulation can still work, with however an increased risk of having a temperature T5 fluctuating around the target temperature T5 (con).
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0757789A FR2921416B1 (fr) | 2007-09-24 | 2007-09-24 | Procede de regulation de la temperature d'un filtre a particules |
PCT/FR2008/051535 WO2009040488A1 (fr) | 2007-09-24 | 2008-08-28 | Procede de regulation de la temperature d'un filtre a particules |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2191109A1 true EP2191109A1 (fr) | 2010-06-02 |
Family
ID=39363468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08833782A Withdrawn EP2191109A1 (fr) | 2007-09-24 | 2008-08-28 | Procede de regulation de la temperature d'un filtre a particules |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2191109A1 (fr) |
FR (1) | FR2921416B1 (fr) |
RU (1) | RU2010116158A (fr) |
WO (1) | WO2009040488A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2948148B1 (fr) | 2009-07-15 | 2011-06-24 | Inst Francais Du Petrole | Procede et systeme pour controler la regeneration active d'un filtre a particules diesel |
FR2970299B1 (fr) * | 2011-01-11 | 2012-12-28 | Peugeot Citroen Automobiles Sa | Procede de regulation de la temperature de regeneration d'un filtre a particules |
FR2970737B1 (fr) | 2011-01-25 | 2012-12-28 | Peugeot Citroen Automobiles Sa | Procede pour une maitrise de la temperature des gaz d'echappement pour optimiser la regeneration d'un filtre a particules |
JP5459306B2 (ja) * | 2011-12-27 | 2014-04-02 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0411322A (pt) * | 2003-06-12 | 2006-07-18 | Donaldson Co Inc | método de distribuir combustìvel em fluxo transiente de um sistema de descarga |
FR2884872B1 (fr) * | 2005-04-25 | 2007-09-14 | Renault Sas | Procede de commande d'un moteur de vehicule pour reguler la temperature d'un filtre a particules |
FR2897390A3 (fr) * | 2006-02-13 | 2007-08-17 | Renault Sas | Dispositif de traitement des gaz d'echappement d'un moteur a combustion interne de vehicule automobile, et procede associe. |
-
2007
- 2007-09-24 FR FR0757789A patent/FR2921416B1/fr not_active Expired - Fee Related
-
2008
- 2008-08-28 WO PCT/FR2008/051535 patent/WO2009040488A1/fr active Application Filing
- 2008-08-28 RU RU2010116158/06A patent/RU2010116158A/ru not_active Application Discontinuation
- 2008-08-28 EP EP08833782A patent/EP2191109A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2009040488A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2921416B1 (fr) | 2009-11-20 |
FR2921416A1 (fr) | 2009-03-27 |
RU2010116158A (ru) | 2011-11-10 |
WO2009040488A1 (fr) | 2009-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1729001B1 (fr) | Méthode d'estimation par un filtre non-linéaire adaptatif de la richesse dans un cylindre d'un moteur à combustion | |
WO2018202977A2 (fr) | Procede de reactualisation d'une dynamique d'adaptation d'une valeur de richesse à une consigne dans un moteur | |
FR2981697A1 (fr) | Procede et dispositif d'adaptation d'une regulation lambda | |
EP1729000B1 (fr) | Méthode d'estimation par un filtre de Kalman étendu de la richesse dans un cylindre d'un moteur à combustion | |
EP2191109A1 (fr) | Procede de regulation de la temperature d'un filtre a particules | |
FR3073004A1 (fr) | Procede d'optimisation de l'emission d'oxydes d'azote et de dioxyde de carbone d'un moteur a combustion interne | |
WO2010010268A1 (fr) | Procede d'adaptation d'une regulation de la temperature d'un filtre a particules | |
EP2423477A1 (fr) | Procédé de détermination de l'état physique d'un filtre à particules | |
EP2479409B1 (fr) | Procede pour une maitrise de la temperature des gaz d'echappement pour optimiser la regeneration d'un filtre a particules | |
FR3078745A1 (fr) | Procede de commande d’un moteur thermique | |
EP3060771B1 (fr) | GESTION DE l'APRÈS-TRAITEMENT DES GAZ D'ÉCHAPPPEMENT ISSUS D'UN MOTEUR À COMBUSTION INTERNE | |
FR2927368A1 (fr) | Procede et dispositif d'estimation du debit d'air frais admis dans un moteur a combustion interne de vehicule automobile | |
EP1856390A1 (fr) | Procede de regulation optimise en phase transitoire dans un turbocompresseur | |
EP1957779B1 (fr) | Procede de commande d'un moteur de vehicule pour reguler la richesse du melange air-carburant | |
FR2860037A1 (fr) | Procede et dispositif de determination de la temperature interne d'un catatlyseur de vehicule muni d'un moteur thermique | |
FR2944561A3 (fr) | Procede de mise au point d'un regulateur d'un parametre d'etat d'un moteur a combustion interne de vehicule automobile | |
EP3147491A1 (fr) | Procédé de commande d'un moteur à combustion interne de véhicule automobile | |
FR2970299A1 (fr) | Procede de regulation de la temperature de regeneration d'un filtre a particules | |
FR2892151A1 (fr) | Procede de gestion d'un moteur a combustion interne a recyclage des gaz d'echappement et dispositif pour la mise en oeuvre du procede | |
EP2956656B1 (fr) | Procédé de pilotage d'une vanne de régulation d'un débit de liquide de refroidissement des gaz de recirculation d'un moteur à combustion interne | |
FR2916231A1 (fr) | Procede et dispositif d'adaptation d'un estimateur de temperature d'un systeme de post-traitement des gaz d'echappement | |
FR2908463A1 (fr) | Procede d'adaptation d'un champ de caracteristiques. | |
FR3036739A1 (fr) | Procede d'optimisation des emissions d'un moteur | |
FR2955153A1 (fr) | Procede de pilotage d'une vanne de court-circuitage d'une turbine d'un moteur a combustion interne | |
EP2534355A1 (fr) | Procede de regulation d'un parametre de fonctionnement d'un moteur et systeme de commande mettant en uvre un tel procede |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20100212 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: CORNETTE, ANNABELLE Inventor name: GEORGIADIS, EVANGELOS Inventor name: LEFEBVRE, DAMIEN |
|
17Q | First examination report despatched |
Effective date: 20100929 |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20110712 |