US20070125074A1 - Procedure for the control of a pollutant control equipment - Google Patents

Procedure for the control of a pollutant control equipment Download PDF

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Publication number
US20070125074A1
US20070125074A1 US11/607,724 US60772406A US2007125074A1 US 20070125074 A1 US20070125074 A1 US 20070125074A1 US 60772406 A US60772406 A US 60772406A US 2007125074 A1 US2007125074 A1 US 2007125074A1
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United States
Prior art keywords
regeneration
route
calculating
control equipment
pollutant control
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.)
Abandoned
Application number
US11/607,724
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English (en)
Inventor
Oliver Marquardt
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
Assigned to ROBERT BOSCH GMBH reassignment ROBERT BOSCH GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MARQUARDT, OLIVER
Publication of US20070125074A1 publication Critical patent/US20070125074A1/en
Abandoned legal-status Critical Current

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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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • 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
    • F01N9/002—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
    • F01N9/007—Storing data relevant to operation of exhaust systems for later retrieval and analysis, e.g. to research exhaust system malfunctions
    • 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 originates from a procedure for the control of the regeneration of pollutant control equipment and from a device for the execution of the procedure according to the type of the independent requirements.
  • a high material load can occur when the exhaust volume flow is reduced by an occurring regeneration of the exhaust volume flow, for example, when a traffic jam is reached or when a destination has been reached, and the internal combustion engine is shut off.
  • High material load can also occur when in addition a high oxygen portion ocurs in the exhaust like e.g. in the idling cycle of the internal combustion engine by an overrun fuel cut off. High temperatures can lead to damage of the particle filter.
  • DE 197 39 848 A1 describes different operation procedures of an internal combustion engine in whose exhaust area a NOx-memory catalyst is arranged. Due to the final memory capacity of the NOx-memory catalyst, an in between regeneration of the NOx memory catalyst must be planned, which occurrs through a supply of hydrocarbons and/or carbon monoxide, which for instance can be produced internally in the motor. An undesired sulfur reposition in the NOx memory catalyst can be removed by an operation of the memory catalyst by high temperatures with a fatty exhaust gas. For instance, a respective procedure is described in DE 198 43 859 A1.
  • a catalytic active surface can, e.g., be contained in the particle filter.
  • a catalyst e.g. a (NOx)-memory catalyst a catalystic active surface principle is already present.
  • the invention's task is to provide a procedure that creates the most favorable conditions for regeneration.
  • the invention based approach for the control of the regeneration of a specified internal combustion engine for powering a vehicle in the exhaust tract that provides in periodical intervals that at least one stored exhaust component will be regenerated arranges that the route of the power vehicle will be impacted.
  • the invention based procedure intervenes in the calculation of a specified route by an operator. At the least, the destination will be specified.
  • the driving computer of the operator operated navigation device can impact the route in terms of a required regeneration of the pollutant control equipment. Thereby, a better regeneration is possible. For instance, through the impact of the route a route section with low exhaust gas volume flow and/or high oxygen content can be rerouted as, e.g., by the in city operation or by the coasting mode. As already mentioned at the start, a low exhaust volume flow and a high oxygen content can lead to temperature increases at least by local temperature and damage the pollutant control equipment. In addition, through impacting of the route a possibly present traffic jam can be avoided whereby also a low exhaust volume flow and a high exhaust oxygen content can be expected.
  • the additional cost for the realization of the invention based procedure is comparably low because many power vehicles already have a navigation system that contains a driving computer with a routing.
  • Design provides that the route will be impacted by lodged or calculated evaluation criteria for its suitability for a regeneration. With this method at least one preferably several routes in terms of the regeneration will be evaluated whereby the most suited route can be found.
  • the invention based procedure reaches for a specification of the desired route of which at least the destination is specified and by a required regeneration of the polluttant control equipment.
  • the operator of the navigation device can be included. An interaction with the operator does not take place.
  • another design provides that the calculated route will be suggested. With this method an entry by an operator that agrees with the suggestion or declines it is required.
  • As an evaluation criteria for the route the anticipated driving time and/or the distance topology and/or the anticipated fuel use can be considered.
  • the evaluation criteria set up on a present navigation device, which after the entry of the desired route, are already available and/or can be reloaded from a data carrier or a radio communication. An interaction with the operator does not take place.
  • another design provides that the calculated route will be proposed. With this method an entry from an operator is necessary that agrees to the proposal or declines it.
  • evaluation criteria by the analysis of the route especially the estimated driving length and/or the known distance topology and/or the estimated gas use can be included.
  • the evaluation criteria start with available information in the navigation device, which after entering the desired route, is already available in the navigation device or can be reloaded by a data carrier through radio communication.
  • an evaluation criteria according to which a route is evaluated as suited for a regeneration the avoidance of operating conditions, can be based on low exhaust volume flow, the safety of the pollutant control during the regeneration can be placed in the foreground.
  • Another design provides that the evaluation criteria according to which a route is evaluated as suited for a regeneration and/or the time period or the location of the start of the regeneration on this route is designated is based upon the appearance of an increased pollution impact in the exhaust during the regeneration. Thereby, an optimized regeneration of the pollutant control equipment in terms of the exhaust emissions can be placed in the foreground. Thereby, for instance tunnels, residential areas, or certain protected areas like e.g. health resort zones can be avoided.
  • the invention based device for the control of the regeneration of a provided internal combustion engine arranged in the exhaust tract of an internal combustion engine attached pollutant control equipment provided for activating a power vehicle which in periodical intervals is regenerated by at least one stored exhaust component by which a calculation of the vehicles route is planned based upon a specification and provides a special created internal combustion engine control for an execution of the procedure and a specifically created driving computer.
  • FIG. 1 shows a schematic representation of an internal combustion engine with a pollutant control equipment.
  • FIG. 1 shows a schematic view of an internal combustion engine 30 with a pollutant control equipment 35 and an internal combustion control 10 , which controls the operation parameter of the internal combustion engine 30 .
  • the internal combustion engine 30 is supplied with combustion air through an air supply duct 31 .
  • the fuel metering may be carried out individually for each cylinder by means of injection nozzles 32 , one of them being depicted symbolically. Thereby, the amount of fuel will be set by the motor control 10 .
  • the exhaust from the internal combustion engine 30 will be supplied by a pollutant control equipment 35 over an exhaust tract 33 unto which a recycling of the exhaust gases can also be attached and which, e.g., contains a (NOx-) memory catalyst and/or a particle filter.
  • the particle filter can contain an integrated catalyst, which on the one hand can provide the cleaning of the exhaust gas and on the other hand can support an exo-thermal reaction of combustible exhaust gas components for the heating of the particle filter.
  • the oxygen content of the exhaust gas can be measured with an exhaust probe 34 and can be conveyed to the internal combustion engine control 10 .
  • a regeneration of the pollutant control equipment 35 may be required.
  • this may be the case by a design as a memory catalyst and/or particle filter.
  • the regeneration can be managed through additional injecting of fuel with injection pumps 32 or with other methods on the one hand to increase the exhaust gas temperature and on the other for the supply of a possibly necessary reagent agent.
  • a regeneration control 11 is planned. According to the status of the technology this gives, e.g., based upon the evaluation of the pressure decrease a signal to the internal combustion engine control 10 to signal that a regeneration of the pollutant control equipment 35 is required, especially when the pollutant control equipment 35 contains a particle filter.
  • the regeneration control 11 reports the requirement of a regeneration to a driving computer 20 as it is e.g. used by routing in navigation systems.
  • the driving computer 20 contains an evaluation level 21 , which the planned route can evaluate if it seems to be suited for a regeneration. If this is the case, this route is selected. If it is not the case, a new route can be calculated.
  • the driving computer 20 can set the route without the intervention of an operator.
  • a design plans that the route of an operator's route will be suggested with a driving computers 20 connected input and output unit 22 .
  • the operator can accept the route, abandon, or decline it. If the operator offers a changed route it can be evaluated by the evaluation level 21 and if necessary be accepted. If this route is not suited the driving computer can calculate an additional route, evaluate it in the evaluation level 21 and suggest it. If the evaluation level has detected that the planned route is suited, a signal for the start of a regeneration of the pollutant control equipment 35 can be given through the driving computer 20 .
  • the driving computer 20 can calculate the route with stored or calculated evaluation criteria for its suitability for a regeneration process.
  • the evaluation criteria is planning using the expected drive duration and/or the distance topology and/or the known traffic obstructions and/or the anticipated fuel.
  • evaluation criteria according to which a route is evaluated as suited for a regeneration process, be the avoidance of operating conditions with little exhaust volume flow and/or a high oxygen can be planned. After a route is evaluated, as suited for a regeneration process, there can be planned alternatively, or additionally, a sufficient remaining driving time for the execution of a regeneration.
  • the driving computer 20 determines through a user input with the input and output unit 22 from a changed route or through information from traffic reports, that the continuing route does not appear suited for the conclusion of the regeneration cycle, then the driving computer 20 can release a signal for the cancellation of the internal combustion engine 10 .
  • the invention based procedure enables, through an impact of the calculated route in the driving computer 20 in connection with a required regeneration of the pollutant control equipment 35 , protection of the pollutant control equipment 35 , a protection against a pollution impact of the air on specific routes, and an energy efficient regeneration of the pollutant control equipment 35 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
US11/607,724 2005-12-05 2006-12-01 Procedure for the control of a pollutant control equipment Abandoned US20070125074A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102005057956.6 2005-12-05
DE102005057956 2005-12-05
DE102006005505A DE102006005505A1 (de) 2005-12-05 2006-02-07 Verfahren zur Steuerung einer Abgasreinigungsanlage
DE102006005505.5 2006-02-07

Publications (1)

Publication Number Publication Date
US20070125074A1 true US20070125074A1 (en) 2007-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
US11/607,724 Abandoned US20070125074A1 (en) 2005-12-05 2006-12-01 Procedure for the control of a pollutant control equipment

Country Status (4)

Country Link
US (1) US20070125074A1 (ja)
JP (1) JP2007154884A (ja)
DE (1) DE102006005505A1 (ja)
FR (1) FR2894285A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080034736A1 (en) * 2006-08-08 2008-02-14 Honda Motor Co., Ltd. Control device for an internal combustion engine of a vehicle
EP2157407A1 (de) 2008-08-19 2010-02-24 Robert Bosch Gmbh Verfahren und Vorrichtung zur Berechnung einer Fahrroute
US20140026851A1 (en) * 2012-07-30 2014-01-30 Ford Global Technologies, Llc Method for operating an internal combustion engine, method for switching off an internal combustion engine and engine control device
US9102320B2 (en) 2012-09-13 2015-08-11 Ford Global Technologies, Llc Predictive aftertreatment scheduling for a vehicle
US9371766B2 (en) 2012-09-14 2016-06-21 Ford Global Technologies, Llc Engine-on time predictor for aftertreatment scheduling for a vehicle
CN107489504A (zh) * 2016-06-13 2017-12-19 罗伯特·博世有限公司 用于规划用于废气后处理的措施的方法和控制装置
US10551842B2 (en) * 2017-06-19 2020-02-04 Hitachi, Ltd. Real-time vehicle state trajectory prediction for vehicle energy management and autonomous drive

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061569A1 (de) 2006-12-27 2008-07-03 Robert Bosch Gmbh Verfahren zum Regenerieren einer Abgasreinigungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102008025569A1 (de) * 2008-05-28 2009-12-03 Volkswagen Ag Verfahren zum Regeln und/oder Steuern eines Funktionssystems eines Kraftfahrzeugs
US8392091B2 (en) 2008-08-22 2013-03-05 GM Global Technology Operations LLC Using GPS/map/traffic info to control performance of aftertreatment (AT) devices
DE102016219043A1 (de) 2015-11-03 2017-05-04 Ford Global Technologies, Llc Verfahren zur Überwachung einer Abgasnachbehandlungsanlage, insbesondere eines NOx- Speicherkatalysators während des Betriebs eines autonom fahrenden Fahrzeuges sowie Steuerungseinrichtung für eine Abgasnachbehandlungsanlage
DE102016219549A1 (de) 2015-11-03 2017-05-04 Ford Global Technologies, Llc Verfahren zur Überwachung einer Abgasnachbehandlungsanlage, insbesondere eines NOx-Speicher-Katalysators eines autonom fahrenden Fahrzeugs mit Parallelhybridantrieb sowie Steuerungseinrichtung für eine Abgasnachbehandlungsanlage und Fahrzeug
DE102016219042B4 (de) 2015-11-03 2022-12-22 Ford Global Technologies, Llc Verfahren zur Regeneration eines NOx-Speicherkatalysators während des Betriebs eines autonom fahrenden Fahrzeuges sowie Steuerungseinrichtung für eine Abgasnachbehandlungsanlage und Fahrzeug mit Steuerungseinrichtung
DE102016219544B4 (de) 2015-11-03 2022-10-20 Ford Global Technologies, Llc Verfahren zur Diagnose einer Abgasnachbehandlungsanlage, insbesondere eines NOx-Speicher-Katalysators eines autonom fahrenden Fahrzeugs in Verbindung mit Niederdruck-Abgasrückführung sowie Steuerungseinrichtung für eine Abgasnachbehandlungsanlage und Fahrzeug
DE102016209778A1 (de) * 2016-06-03 2017-12-07 Robert Bosch Gmbh Verfahren und Vorrichtung zur Durchführung einer Diagnose

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6032461A (en) * 1995-10-30 2000-03-07 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus for internal combustion engine
US6370868B1 (en) * 2000-04-04 2002-04-16 Ford Global Technologies, Inc. Method and system for purge cycle management of a lean NOx trap
US20030135323A1 (en) * 2001-11-28 2003-07-17 Omg Ag & Co. Kg Method and device for operating a motor vehicle engine
US20050166580A1 (en) * 2004-02-02 2005-08-04 Andreas Pfaeffle Method for regenerating an exhaust aftertreatment system
US20070010933A1 (en) * 2005-07-06 2007-01-11 Thomas Hochkirchen Driving Route Situation Prediction For Vehicle Performance Optimization
US7216032B2 (en) * 2001-04-09 2007-05-08 Siemens Aktiengesellschaft Data storage system for a motor vehicle and method for storing data in a motor vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6032461A (en) * 1995-10-30 2000-03-07 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus for internal combustion engine
US6370868B1 (en) * 2000-04-04 2002-04-16 Ford Global Technologies, Inc. Method and system for purge cycle management of a lean NOx trap
US7216032B2 (en) * 2001-04-09 2007-05-08 Siemens Aktiengesellschaft Data storage system for a motor vehicle and method for storing data in a motor vehicle
US20030135323A1 (en) * 2001-11-28 2003-07-17 Omg Ag & Co. Kg Method and device for operating a motor vehicle engine
US20050166580A1 (en) * 2004-02-02 2005-08-04 Andreas Pfaeffle Method for regenerating an exhaust aftertreatment system
US20070010933A1 (en) * 2005-07-06 2007-01-11 Thomas Hochkirchen Driving Route Situation Prediction For Vehicle Performance Optimization

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080034736A1 (en) * 2006-08-08 2008-02-14 Honda Motor Co., Ltd. Control device for an internal combustion engine of a vehicle
US7934373B2 (en) * 2006-08-08 2011-05-03 Honda Motor Co. Ltd. Control device for an internal combustion engine of a vehicle
EP2157407A1 (de) 2008-08-19 2010-02-24 Robert Bosch Gmbh Verfahren und Vorrichtung zur Berechnung einer Fahrroute
US20140026851A1 (en) * 2012-07-30 2014-01-30 Ford Global Technologies, Llc Method for operating an internal combustion engine, method for switching off an internal combustion engine and engine control device
US9416746B2 (en) * 2012-07-30 2016-08-16 Ford Global Technologies, Llc Method for operating an internal combustion engine, method for switching off an internal combustion engine and engine control device
US9102320B2 (en) 2012-09-13 2015-08-11 Ford Global Technologies, Llc Predictive aftertreatment scheduling for a vehicle
US9371766B2 (en) 2012-09-14 2016-06-21 Ford Global Technologies, Llc Engine-on time predictor for aftertreatment scheduling for a vehicle
CN107489504A (zh) * 2016-06-13 2017-12-19 罗伯特·博世有限公司 用于规划用于废气后处理的措施的方法和控制装置
US10551842B2 (en) * 2017-06-19 2020-02-04 Hitachi, Ltd. Real-time vehicle state trajectory prediction for vehicle energy management and autonomous drive

Also Published As

Publication number Publication date
JP2007154884A (ja) 2007-06-21
DE102006005505A1 (de) 2007-06-06
FR2894285A1 (fr) 2007-06-08

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ROBERT BOSCH GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARQUARDT, OLIVER;REEL/FRAME:018878/0473

Effective date: 20070126

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION