WO2015140260A1 - Verfahren zum betreiben einer direkteinspritzenden, fremdgezündeten brennkraftmaschine - Google Patents
Verfahren zum betreiben einer direkteinspritzenden, fremdgezündeten brennkraftmaschine Download PDFInfo
- Publication number
- WO2015140260A1 WO2015140260A1 PCT/EP2015/055817 EP2015055817W WO2015140260A1 WO 2015140260 A1 WO2015140260 A1 WO 2015140260A1 EP 2015055817 W EP2015055817 W EP 2015055817W WO 2015140260 A1 WO2015140260 A1 WO 2015140260A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel injection
- determined
- change
- strategy
- transient
- 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.)
- Ceased
Links
Classifications
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3064—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
-
- 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
- F02D41/30—Controlling fuel injection
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3827—Common rail control systems for diesel engines
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- 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
- F02D2200/021—Engine temperature
-
- 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
- F02D2200/04—Engine intake system parameters
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0614—Actual fuel mass or fuel injection amount
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0618—Actual fuel injection timing or delay, e.g. determined from fuel pressure drop
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1012—Engine speed gradient
-
- 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
- F02D2200/602—Pedal position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/31—Control of the fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/38—Control for minimising smoke emissions, e.g. by applying smoke limitations on the fuel injection amount
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/045—Detection of accelerating or decelerating state
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- 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 operating a direct-injection, spark-ignited internal combustion engine, wherein in at least one engine operating range, the fuel injection strategy is changed as a function of at least one engine parameter.
- soot particles occurs when the injected fuel occurs on the cold piston surface or the cold cylinder surface and thus the fuel can burn only incompletely.
- the surface of the piston and / or cylinder liner cools when fuel evaporates on that surface (heat of vaporization is removed from the surface).
- the surface temperature is usually higher than before the load step.
- the surface temperature rises only slightly at a load jump with fuel application or even decreases. Only a certain time after evaporation of the fuel, the surface heats up again to the temperature corresponding to this load point.
- WO 02/18769 A1 describes a method for controlling a direct fuel injection of a spark-ignited, at least temporarily operated in a homogeneous mode internal combustion engine.
- the injection timing is controlled in dependence on a temperature of the internal combustion engine. At low temperatures, the injection time is delayed. As a result, the distance between the piston surface and the injection valve is increased at the injection time, leaving more time for the injected fuel to evaporate.
- the object of the invention is to avoid these disadvantages and to reduce emissions in a direct-injection spark-ignited internal combustion engine even in transient operating conditions.
- this is achieved by checking whether a transient state of the internal combustion engine is present and, if a transient operating state is established, the strategy of the fuel injection - preferably the number of fuel injections and / or the temporal and / or local position of the fuel injections and / or the fuel injection pressure - is changed.
- the change with time of at least one parameter of the engine control preferably the relative load, the air mass supplied to the cylinders, the mean pressure, and / or the accelerator pedal travel can be determined and a transient operating state can be established, if the temporal change of the parameter> 0.
- the change in the strategy of the fuel injection for example, depending on the accelerator pedal position, the time change of the accelerator pedal travel and / or the temporal change of the accelerator pedal movement occurred.
- the temporal change of the parameter - ie the speed of the change of the parameter - and / or the temporal change of this speed - that is the acceleration of the change of the parameter - are a measure of the evaluation of the transient state.
- the tendency for sudden particle ejection correlates with the rate of change of the parameter.
- the geometry of the internal combustion engine for example the stroke, the cylinder diameter, the connecting rod length and / or the piston geometry, preferably the shape of the piston surface, are stored in a database and the change in the beginning of the fuel injection as a function of the geometry of the internal combustion engine he follows. Furthermore, it may be provided that the piston position and / or the piston movement are determined and the change in the beginning of the fuel injection occurs as a function of the piston position or piston movement.
- the shape of the injection beam also affects the emissions. Therefore, in a further embodiment of the invention, the shape of the fuel jet can be determined and / or stored, whereby the change in the beginning of the fuel injection takes place as a function of the shape of the fuel jet.
- the engine temperature and / or the coolant temperature and / or the oil temperature can be determined as a measure of the component temperature and the beginning of the fuel injection can be changed as a function of the engine temperature and / or the coolant temperature and / or the oil temperature.
- injection pressure can also be used as a parameter for determining the change in the fuel injection strategy.
- the fuel injection strategy is determined primarily by the number of fuel injections, the time and / or the local location of the fuel injections, in particular the beginning of the fuel injection, and the injection timing of the fuel injection.
- the beginning of the n - preferably a plurality of fuel injection events per cycle comprising - ⁇ fuel injection changed, are preferably delayed.
- the number of injections per cycle may be changed, preferably increasing the number of injections per cycle.
- the delay of the start of the fuel injection is calculated by means of a mathematical model, the following being valid for the delay ⁇ :
- the fuel injection strategy preferably using a decay function, is returned to the normal state, preferably wherein the decay function is a function of engine speed and / or engine temperature and / or Coolant temperature is.
- Fig. 1 shows various engine parameters plotted against time
- Fig. 1 the air-fuel ratio ⁇ , the ignition timing I, the load L, the engine speed n, the start SOI of the fuel injection, the particle number PN, particle mass MSS, coolant temperature T c , gear G, pedal position x, and vehicle speed vs over the time t applied.
- Fig. 2 shows the particle number PN above the beginning SOI of the fuel injection.
- LW is the range of wetting of the cylinder (liner wetting) and PW the area of wetting of the piston (piston wetting) with fuel. In the area between the two arrows there is little or no wetting or the wetting is reduced to such an extent that the component temperature does not drop.
- the fuel injection strategy may be returned to the normal state using the decay function, ie, the map value for the load after completion of the transient state.
- the Sound function is advantageously a function of the engine oil and / or the coolant temperature T c , and the engine speed n. In this case, the changed state a certain time, a number of injections, etc. held and then regulated. This reduction takes place along a ramp or a specific function until the parameters which have been transiently changed again lie on the map values.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112015000876.4T DE112015000876A5 (de) | 2014-03-21 | 2015-03-19 | Verfahren zum Betreiben einer direkteinspritzenden, fremdgezündeten Brennkraftmaschine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50210/2014A AT515563B1 (de) | 2014-03-21 | 2014-03-21 | Verfahren zum Betreiben einer direkteinspritzenden, fremdgezündeten Brennkraftmaschine |
| ATA50210/2014 | 2014-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015140260A1 true WO2015140260A1 (de) | 2015-09-24 |
Family
ID=52774198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2015/055817 Ceased WO2015140260A1 (de) | 2014-03-21 | 2015-03-19 | Verfahren zum betreiben einer direkteinspritzenden, fremdgezündeten brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT515563B1 (de) |
| DE (1) | DE112015000876A5 (de) |
| WO (1) | WO2015140260A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028812A1 (de) * | 2016-08-09 | 2018-02-15 | Mtu Friedrichshafen Gmbh | Verfahren zum betrieb einer brennkraftmaschine, einrichtung zum steuern und/oder regeln und brennkraftmaschine |
| CN115370501A (zh) * | 2022-09-26 | 2022-11-22 | 重庆长安汽车股份有限公司 | 一种用于喷油次数切换工况的喷油量修正方法、装置及发动机 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8645043B2 (en) * | 2011-01-19 | 2014-02-04 | GM Global Technology Operations LLC | System and method for controlling fuel injection to decrease particulate emissions during transient engine operation |
| DE102016219552B4 (de) * | 2016-10-07 | 2019-06-13 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050145222A1 (en) * | 2003-12-30 | 2005-07-07 | Douglas Glenn | Apparatus and method for suppressing internal combustion ignition engine emissions |
| DE102011004190A1 (de) * | 2011-02-16 | 2012-08-16 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Vorgabe von Einspritzimpulsen |
| US20140039780A1 (en) * | 2012-08-03 | 2014-02-06 | Ford Global Technologies, Llc | Internal combustion engine with direct injection and reduced particulate emissions |
| WO2014195101A1 (de) * | 2013-06-07 | 2014-12-11 | Robert Bosch Gmbh | Verfahren zum betreiben einer direkteinspritzenden verbrennungskraftmaschine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6325044B1 (en) * | 1999-05-07 | 2001-12-04 | General Electric Company | Apparatus and method for suppressing diesel engine emissions |
| US6341596B1 (en) * | 2000-04-28 | 2002-01-29 | General Electric Company | Locomotive transient smoke control strategy using load application delay and fuel injection timing advance |
| US9267430B2 (en) * | 2010-10-04 | 2016-02-23 | International Engine Intellectual Property Company, Llc. | Engine controlling emissions during transient operations |
| US8645043B2 (en) * | 2011-01-19 | 2014-02-04 | GM Global Technology Operations LLC | System and method for controlling fuel injection to decrease particulate emissions during transient engine operation |
-
2014
- 2014-03-21 AT ATA50210/2014A patent/AT515563B1/de not_active IP Right Cessation
-
2015
- 2015-03-19 WO PCT/EP2015/055817 patent/WO2015140260A1/de not_active Ceased
- 2015-03-19 DE DE112015000876.4T patent/DE112015000876A5/de not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050145222A1 (en) * | 2003-12-30 | 2005-07-07 | Douglas Glenn | Apparatus and method for suppressing internal combustion ignition engine emissions |
| DE102011004190A1 (de) * | 2011-02-16 | 2012-08-16 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Vorgabe von Einspritzimpulsen |
| US20140039780A1 (en) * | 2012-08-03 | 2014-02-06 | Ford Global Technologies, Llc | Internal combustion engine with direct injection and reduced particulate emissions |
| WO2014195101A1 (de) * | 2013-06-07 | 2014-12-11 | Robert Bosch Gmbh | Verfahren zum betreiben einer direkteinspritzenden verbrennungskraftmaschine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028812A1 (de) * | 2016-08-09 | 2018-02-15 | Mtu Friedrichshafen Gmbh | Verfahren zum betrieb einer brennkraftmaschine, einrichtung zum steuern und/oder regeln und brennkraftmaschine |
| CN115370501A (zh) * | 2022-09-26 | 2022-11-22 | 重庆长安汽车股份有限公司 | 一种用于喷油次数切换工况的喷油量修正方法、装置及发动机 |
| CN115370501B (zh) * | 2022-09-26 | 2023-08-22 | 重庆长安汽车股份有限公司 | 一种用于喷油次数切换工况的喷油量修正方法、装置及发动机 |
Also Published As
| Publication number | Publication date |
|---|---|
| AT515563A1 (de) | 2015-10-15 |
| DE112015000876A5 (de) | 2016-12-22 |
| AT515563B1 (de) | 2016-06-15 |
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