EP3510263A1 - Procédé et dispositif de commande permettant de commander et/ou de réguler un système de post-traitement des gaz d'échappement dans un véhicule - Google Patents

Procédé et dispositif de commande permettant de commander et/ou de réguler un système de post-traitement des gaz d'échappement dans un véhicule

Info

Publication number
EP3510263A1
EP3510263A1 EP17768017.0A EP17768017A EP3510263A1 EP 3510263 A1 EP3510263 A1 EP 3510263A1 EP 17768017 A EP17768017 A EP 17768017A EP 3510263 A1 EP3510263 A1 EP 3510263A1
Authority
EP
European Patent Office
Prior art keywords
data
destinations
destination
regeneration
vehicle
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Withdrawn
Application number
EP17768017.0A
Other languages
German (de)
English (en)
Inventor
Michael Pfeil
Vincent Teichmann
Magnus Labbe
Jens Damitz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3510263A1 publication Critical patent/EP3510263A1/fr
Withdrawn legal-status Critical Current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
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • 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
    • F01N9/007—Storing data relevant to operation of exhaust systems for later retrieval and analysis, e.g. to research exhaust system malfunctions
    • 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
    • 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
    • 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
    • F02D41/0275—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 NOx trap or adsorbent
    • 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
    • F01N2900/102—Travelling distance
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/12—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle exterior
    • 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
    • F02D2041/1412—Introducing closed-loop corrections characterised by the control or regulation method using a predictive controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0802—Temperature of the exhaust gas treatment apparatus
    • F02D2200/0804—Estimation of the temperature of the exhaust gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
    • F02D2200/606—Driving style, e.g. sporty or economic driving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/701—Information about vehicle position, e.g. from navigation system or GPS signal
    • 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 invention relates to a method for controlling and / or regulating an exhaust aftertreatment system arranged in a vehicle
  • Exhaust gas aftertreatment component with regenerations and / or diagnoses controlled by a control device, wherein the control device is supplied with information data, with the consideration of which
  • Regenerations, diagnoses and / or certain memory target states are controlled and / or regulated, and a control device for
  • Regeneration then takes place under certain boundary conditions, for example in the case of rich operation and / or above a certain temperature level in the storage component. Under certain conditions, it is not possible to perform a regeneration, for example, immediately after a cold start due to low temperatures in the exhaust system.
  • Exhaust aftertreatment such as Selective Catalytic Reduction (SCR) catalysts, or three-way catalysts have different storage properties Properties, in turn, of operating parameters and / or the
  • an SCR catalyst has a strong temperature-dependent storage capacity for
  • Ammonia (NH3) and a three-way catalyst an oxygen storage capacity (O2).
  • the current level of NH3 or O2 is also important for the conversion capability and the robustness of the
  • An SCR catalyst has e.g. a decreasing temperature increasing NH3 storage capacity, so can keep the Nh memory contents until the next start with the engine stopped and the assumption then further decreasing SCR catalyst temperature. This is advantageous insofar as it is initially not possible to meter in NH 3 at low exhaust gas and SCR catalyst temperatures, but it is nevertheless possible to use the conversion in the catalyst with NH 3 present at an already lower temperature. Until reaching this
  • Minimum temperature for the dosage thus depends on the conversion rate of the SCR catalyst strongly from the still stored amount of NH3.
  • diagnostics are increasingly being used to ensure the functionality of exhaust aftertreatment components. These can often also be carried out only under certain boundary conditions, for example when the engine is switched off.
  • Goal is z. B., an intervention in the engine operation to maintain the regeneration conditions or a termination of a regeneration, for. B. at an engine stop, as possible to avoid.
  • Goal is z. B., an intervention in the engine operation to maintain the regeneration conditions or a termination of a regeneration, for. B. at an engine stop, as possible to avoid.
  • Telematics active navigation or detection of a route already traveled a prediction of future operation of a
  • Particulate filter or NOx storage catalyst regulated and / or controlled taking into account the prognosis.
  • An actual target distance can also be predicted. Information about regularly used same
  • the driver is identified by means of identification, for. B. with the detection of his key, and then this identification during the journey due to its driving behavior (speed, acceleration, etc.) plausibility.
  • the present invention has for its object to further optimize the control and / or regulation of an exhaust aftertreatment system and thus to further improve their functionality.
  • Vehicle to be predicted b) repeatedly determining the achievement of the goal of at least one of the possible destinations by determining times and / or distances before reaching it,
  • a possible shutdown period at at least one of the possible destinations is predicted
  • the information data can be supplied at the beginning of a journey, after which an initial prediction of possible destinations can be made.
  • the prediction can also be repeated during the journey due to new and updated information data plausibility and corrected if necessary.
  • the criterion for a "relevant" shutdown is preferably a criterion that is coupled with the regeneration or conversion capability after restart after shutdown (with respect to the
  • Temperature window for regeneration drops. Also, a relevant for the regeneration temperature could be used directly, z. B. as a limit temperature, below which a shutdown is considered relevant.
  • the method or the control device makes use of a consideration in the planning of regenerations and / or diagnoses of a going beyond the actual drive viewing.
  • z For example, it can be avoided that a non-relevant shutdown, which would have no or little effect on a regeneration ability immediately after restart, significantly influences the planning of regeneration while driving. An irrelevant parking is not considered in the planning because z. B. a regeneration could also be done immediately or shortly after restart. Thus, it can be avoided that regeneration due to a soon-to-be expected shutdown possibly taking place under less than optimal conditions, although this could also be done immediately or shortly after the restart. Also a termination of diagnoses, eg. B. since they are triggered during too short stoppage, is avoidable.
  • the method or the control device contributes to regenerations and / or diagnoses being carried out under suitable conditions, which increases the efficiency of the
  • the information data supplied to the control device contain one or more of the following information, wherein subcombinations of individual data are also possible: a) route data, e.g. B. from navigation data, telematics data etc, such as
  • Information about user entered routes and / or destinations Information about user entered routes and / or destinations; Information, eg. B. statistics, known, z. B. already traveled, plugging, stretching in the vicinity of the vehicle position, etc .; Information, eg. Statistics, known destinations, e.g. B. the shutdown, etc .;
  • vehicle data such as vehicle speed, vehicle position,
  • Vehicle operating state including (partially) autonomous driving state, data on driver actions on the vehicle, etc .;
  • driver identification data eg. Eg key data
  • Service interval data Service interval data; Engine or vehicle function control indicators; Driver fatigue detection, known destinations already visited in the past.
  • the method is particularly advantageously applicable if the prediction of possible destinations is made by classifying destinations as "probable” taking the information data into account and selecting selected destinations as "possible” due to an exceeded minimum likelihood Information data preferably repeated estimated and plausibility. Probabilities can be estimated, for example, based on certain combinations of information data, such. B. due date / time, driver identity, etc., which can conclude with a certain probability of a trip to the workplace.
  • the probability of a destination is determined taking into account: a) a known route which is recognized on the basis of the information data and / or
  • a destination for example, in a navigation device with GPS
  • An already traveled route can z. B. be recognized by the fact that the new route so far corresponds to the beginning of an already stored route. In this case, it can also be assumed that the driver will stop at the same destination. In addition, there is a growing likelihood that the driver will be there again when approaching an already approached destination. If none of these situations exist, potential destinations may be derived from other information. For example, when the tank is nearly empty, it can be assumed that the user will soon visit a gas station. Likewise, due to the
  • a list of known destinations with relevant parking can be provided, in which information data about these destinations are stored, whereby the destinations have a priority, e.g. B.
  • adjacent parking spaces can be summarized with their location information to a destination. This also applies to a parking area such.
  • the information data is updated, wherein z. B. the driver's identity due to the driving behavior of the driver can be made plausible, etc. and / or
  • the driving behavior of a driver can be characterized by different driving habits: speed, acceleration, speed, steering angle, yaw rate, which are detected, for example, by speed differences between inside and outside wheels or by sensors of ABS or ESP systems, etc.
  • the method is applicable, if the possible
  • Shutdown time at a destination is predicted by: a) a known destination due to the information data detected and
  • Information eg. For example, statistics on the duration of stay at this destination are used, and / or
  • the consideration of the information data, in particular with the inclusion of additional data describes a context from which a possible stopping time is predicted at a possible destination.
  • the driver has entered a destination in a navigation system that is still far away;
  • one or more required diagnoses are performed during shutdown if the predicted shutdown period corresponds to or exceeds a certain minimum diagnostic shutdown duration.
  • the target achievement can be included in the regeneration planning by a need for regeneration of the discontinuous exhaust aftertreatment component by a
  • Regeneration may be determined depending on present or prospective conditions.
  • Regeneration requirement is usually at least in response to a (relative) filling or loading of the discontinuous
  • Exhaust gas after-treatment component determined. It is also possible to include predicted vehicle and / or engine conditions.
  • Dosing strategy and / or active temperature control of the SCR catalyst can be included by the NH3 level is maximized before the expected shutdown of the engine and optionally accompanied by the temperature of the SCR catalyst for maximizing the level is selectively reduced by measures of temperature management.
  • 1 is a flowchart of a method for controlling
  • Fig. 1 shown method
  • FIG. 3 shows a creation or updating of a list for determining a destination within the method shown in FIG. 1.
  • FIG. 1 shows an exemplary flow chart of a method for controlling and / or regulating the regenerations of a discontinuous one
  • Exhaust after-treatment component such as a NOx storage catalyst or a soot particle filter, in a motor vehicle.
  • the method is carried out in or by means of a control device, the z. B. a parent
  • Assigned control device or can be performed separately or may be formed from a composite of multiple control devices.
  • Control device is preferably provided with sources for the supply of
  • Regeneration requirement 1 and a forecast 4 (dashed area) a regeneration request 2 is determined and fed to a motor mode control 3.
  • the engine mode control 3 controls, if necessary, for the
  • the regeneration requirement 1 depends primarily on a relative charge 5 (i.e., charge in terms of storage capacity) of the discontinuous exhaust aftertreatment component, which is determinable in a variety of ways known in the art.
  • Regeneration requirement 1 can for example be assessed on a scale o. The like., Z. For example, to represent a score between "no need” and “immediate need", or the like.
  • the regeneration request 2 additionally receives current regeneration conditions 11, i. For example, the current vehicle and / or engine operating condition, of which the possibility for
  • Prediction of the regeneration conditions allows, for. B. up to one certain temporal and / or local horizons.
  • the horizon can be z.
  • Regenerations of the discontinuous component, and / or depend on other criteria.
  • a release of the regeneration z. B. be made dependent on that suitable for the regenerationzhou
  • Regeneration is in a suitable range for regeneration.
  • the prognosis 4 comprises, on the one hand, the prediction of a need for a regeneration duration 8.
  • the regeneration duration 8 depends, in particular, on the relative charge 5 of the exhaust aftertreatment component to be regenerated, the current value of which is fed to the prognosis 4.
  • the regeneration duration 8 may also be predicted at future times of the current trip, e.g. B. depending on an expected course of the filling depends on information data.
  • the forecast 4 includes a unit for predicting a
  • Regenerationsstarts 9 a possible regeneration the z. B. is also determined depending on the possible duration. Including
  • a route section can be predicted, at which for the
  • Regeneration favorable vehicle or engine operating conditions preferably present over the entire regeneration period 8. At the beginning of such a section of track can then be scheduled at a corresponding need for regeneration 1 Regerationsstart 9.
  • prediction 4 of the goal attainment 10 is provided in forecasting 4, in which information data, i.
  • Route data 6, 6 'and / or additional data 7 possible destinations for parking the vehicle and times and / or distances are predicted to reach them. It is also assessed whether parking is to be classified as "relevant" with a certain degree of probability, which may be the case, for example, if the parking is turned off significantly
  • Regeneration conditions 11 in a regeneration planning 14 a can be weighted. So z.
  • goal attainment 10 may be included by requiring the regeneration demand 1 to be increased by an increasing weighting approaching a possible, i.e. a certain minimum probability exceeding, relevant destination is increased, z. B. depending on the changing times and / or
  • Regeneration requirement 1 becomes a consolidated release 15 a
  • Regeneration request 2 issued and performed a regeneration.
  • the regeneration conditions 11 can be monitored, whereby in addition to a release 13 an abort 12 can be output by this monitoring.
  • An abort is z. B. conceivable if the required regeneration conditions 11 are not present (more).
  • FIG. 2 shows an example of how the target achievement 10 can be determined.
  • an information data acquisition 20 in which the controller receives information data, i. Track data 6, vehicle data 6 'and / or additional data 7 are supplied. Vehicle data 6 'can z. B.
  • Vehicle position, vehicle operating state, etc., track data can by navigation data, telematics data, statistics on known, already traveling routes, in particular starting from the current Vehicle position, etc. be given. Additional data can be z. B. calendar data (date, time), data for driver identification such as key data (to distinguish between first and second key), tank level, departure,
  • an initial target assessment 21 is initially performed.
  • a prediction of possible destinations can take place in that destinations under
  • this may be the destination input in a navigation device
  • the Vehicle position and data for driver identification are closed to a destination, eg the work station
  • a rating is made as to whether a relevant shutdown is to be expected there, for example where a minimum parking time is exceeded. B. due to an already known,
  • a shutdown at a nearby workshop may also be considered, or a stop at an on-track service area when driver fatigue detection strikes.
  • a repeated target assessment 22 takes place in which the information data is also updated.
  • the prediction of the possible destinations will be based preferably on the updated ones
  • the goal achievement 10 is finally determined in a step 23 in that z. B. from below a certain minimum distance to a possible relevant destination (i.e., with an expected relevant shutdown) a time and / or distance is determined up to this.
  • Distance to the destination of the regeneration requirement 1 can be weighted higher, and when exceeding a certain regeneration requirement 1, a regeneration request 2 is issued and carried out a regeneration.
  • Figure 3 shows how such a list of stored destinations can be provided and updated.
  • information data such as additional information 7 can also be stored in the list, as the position of the destination, of which
  • the destinations are assigned certain priorities. These arise z. B. including the Anfahrophufmaschine, in each case only one relevant parking is included in the frequency. Other factors may be considered, such as: For example, how far the last relevant turn off is at this location in the past, etc.
  • the destinations may be sorted by priority.
  • an assessment 31 checks whether certain criteria for a relevant shutdown have been met. It can be z. For example, check whether a particular
  • Prioritization as it forms the most recent destination If the destination is not yet known, this one, for example, set, initial priority can be assigned and checked in a step 34, if another space in the list is free. If so, the destination is stored in a new location in the list (step 36), otherwise a destination with a very low, preferably lowest, priority is overwritten with the new destination (step 35). Other stored destinations may be adjusted in their prioritization (step 37), e.g. B. can be devalued accordingly by receiving a lower prioritization before the update is completed after a relevant shutdown (step 38).
  • Closely adjacent destinations for example, different positions on a spacious parking lot or different parking spaces in the vicinity of a visited address, can be conveniently combined to a destination to save space. This is not limiting insofar as regeneration would have to be started at a distance from the destination that is greater than the typical extent of a parking space or spread of the parking spaces. It is also conceivable that a parking space lying in an area, which is approached as a relevant destination, also the prioritization of another in this area parking space or
  • the determination of destinations based on the list can be treated as subordinate.
  • a determination of a possible destination from the list can be dispensed with.
  • the method may additionally or alternatively be used for the planning of diagnostic procedures
  • a diagnostic start that is to say a triggering of a diagnostic procedure, is likewise made dependent on the existence of a "relevant" shutdown
  • a minimum diagnostic shutdown period can be assumed which corresponds to at least the expected duration of a diagnosis.
  • the method of detecting engine shutdown locations may also be used to establish, in good time before shutdown, optimum (high or low) memory contents for re-start. Again, the criteria for the relevance of a shutdown can differ from that valid for a regeneration process.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un procédé et un système de commande permettant de commander et/ou de réguler un système de post-traitement des gaz d'échappement d'un moteur à combustion interne disposé dans un véhicule, en particulier d'un composant de post-traitement des gaz d'échappement fonctionnant de manière discontinue, comprenant des régénérations et/ou des diagnostics commandés par un dispositif de commande, des données d'information étant acheminées au dispositif de commande, les régénérations et/ou diagnostics étant commandés et/ou régulés en prenant en compte ces données d'information, a) des destinations possibles pour arrêter le véhicule étant prédites sur la base des données d'information, b) pendant la conduite, l'atteinte d'au moins l'une des destinations possibles étant déterminée de manière répétée par détermination de durées et/ou de distances à parcourir jusqu'à ce qu'elles soient atteintes, c) sur la base des données d'information, une durée d'arrêt possible à au moins l'une des destinations possibles étant prédite, d) l'arrêt étant classifié comme "pertinent" lorsque des critères déterminés tels que le dépassement d'une durée d'arrêt minimale sont remplis et l'atteinte de la destination étant incluse dans une planification de régénération (14) du composant de post-traitement des gaz d'échappement fonctionnant de manière discontinue.
EP17768017.0A 2016-09-06 2017-08-30 Procédé et dispositif de commande permettant de commander et/ou de réguler un système de post-traitement des gaz d'échappement dans un véhicule Withdrawn EP3510263A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016216892.4A DE102016216892A1 (de) 2016-09-06 2016-09-06 Verfahren und Steuereinrichtung zur Steuerung und/oder Regelung einer Abgasnachbehandlungsanlage in einem Fahrzeug
PCT/EP2017/071726 WO2018046362A1 (fr) 2016-09-06 2017-08-30 Procédé et dispositif de commande permettant de commander et/ou de réguler un système de post-traitement des gaz d'échappement dans un véhicule

Publications (1)

Publication Number Publication Date
EP3510263A1 true EP3510263A1 (fr) 2019-07-17

Family

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DE102019203793B4 (de) * 2019-03-20 2023-02-16 Ford Global Technologies, Llc Verfahren zum Regenerieren eines Dieselpartikelfilters eines Kraftfahrzeuges sowie Computerprogramm, Datenverarbeitungssystem und Speichermedium sowie Vorrichtung und Kraftfahrzeug
FR3104118B1 (fr) * 2019-12-10 2023-01-06 Alstom Transp Tech Dispositif de contrôle, système de contrôle, véhicule ferroviaire et procédé de contrôle associés
DE102021103234A1 (de) 2021-02-11 2022-08-11 Volkswagen Aktiengesellschaft Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors sowie Abgasnachbehandlungssystem
CN114810297B (zh) * 2022-05-19 2023-07-18 潍柴动力股份有限公司 一种柴油机颗粒捕集器再生的控制方法及装置
CN115325248A (zh) * 2022-07-04 2022-11-11 中国第一汽车股份有限公司 电磁阀的颤振控制方法、装置以及电子设备

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DE102008025569A1 (de) 2008-05-28 2009-12-03 Volkswagen Ag Verfahren zum Regeln und/oder Steuern eines Funktionssystems eines Kraftfahrzeugs
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DE102013205541A1 (de) * 2012-07-30 2014-05-15 Ford Global Technologies, Llc Verfahren zum Betrieb eines Verbrennungsmotors, Verfahren zum Ausschalten eines Verbrennungsmotors und Motorsteuervorrichtung
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CN109661509A (zh) 2019-04-19
WO2018046362A1 (fr) 2018-03-15
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