CN102257262A - Method for determining an armature movement of an injection valve - Google Patents
Method for determining an armature movement of an injection valve Download PDFInfo
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- CN102257262A CN102257262A CN2009801512184A CN200980151218A CN102257262A CN 102257262 A CN102257262 A CN 102257262A CN 2009801512184 A CN2009801512184 A CN 2009801512184A CN 200980151218 A CN200980151218 A CN 200980151218A CN 102257262 A CN102257262 A CN 102257262A
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- electrical quantity
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- injection valve
- combustion engine
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- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 230000033001 locomotion Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 5
- 239000012636 effector Substances 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 241000370092 Actiniopteris Species 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 claims 1
- 230000004913 activation Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
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- 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
- F02D41/008—Controlling each cylinder individually
- F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
-
- 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
- F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
-
- 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
- F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
In an internal combustion engine, the fuel enters a combustion space by means of an injection valve comprising an electromagnetic activation device. A registered first electrical value (n) of a magnetic circuit of the electromagnetic activation device is supplied to an observation member (56) that reproduces the magnetic circuit without considering the effects of an armature movement on the electrical values of the magnetic circuit, wherein the observation member (56) determines an observed second electrical value (ib) of the magnetic circuit, the determined second electrical value is compared to a registered second electrical value (i) and the comparison result (dib) is used to determine a value characterizing the armature movement.
Description
Technical field
The present invention relates to a kind of method that is used to move according to the internal-combustion engine as described in the preamble of claim 1.In addition, theme of the present invention is computer program, electric storage medium and control and/or controlling device.
Background technique
Known from the market internal-combustion engine, gasoline is directly injected to from injection valve in each firing chamber in described internal-combustion engine.Such injection valve has needle-valve, and described needle-valve is handled by the Effector of electromagnetism.
Summary of the invention
Task of the present invention is to propose a kind of realization fuel and sprays optimized method.
This task is resolved by the method for the feature of the present invention by having claim 1.Other technological scheme provides in Patent right requirement arranged side by side: described technological scheme relates to computer program, electric storage medium and control and/or controlling device.Favourable improvement project of the present invention provides in the dependent claims.In addition, in ensuing description and find important feature in the accompanying drawings for the present invention.These features can be important individually but also with different combinations not only at this for the present invention, are described in detail no longer once more here.
By the parameter that can try to achieve the feature that characterizes armature movement by method of the present invention.This allows again needle valve movement is exerted an influence, so that the injection of optimized fuel whereby.Finally, contribution of the present invention be to reduce internal-combustion engine discharging, reduce fuel consumption and avoid combustion noise.
Be that the electrical quantity of the magnet loop of the Effector of described electromagnetism by the observation link, just evaluation method is tried to achieve, and is understood fully and is to try to achieve under the situation of the motion of ignoring magnetic armature to the electrical quantity influence of magnet loop to this design as the basis.Therefore, describedly comprise deviation inevitably by the observation link electrical quantity of trying to achieve, described deviation can by with corresponding parameter of depositing relatively come to determine.Thisly do not considering that the deviation that causes under the counteractive situation of armature movement to the electrical quantity of magnet loop can be used to quantify this reaction now, and allowing to try to achieve the parameter of the feature that characterizes described armature movement.
Therefore do not need each extra assembly just can work and can be individually realize by method of the present invention in the mode of software.Therefore, described assembly extremely cheaply and in case of necessity even can use in the system that has produced.
Specifying of the general design of the present invention is, in step b, form the difference between second electrical quantity that is observed and second electrical quantity of being deposited, and in step c, with described difference input feedback element, described feedback element is tried to achieve the first electric corrected parameter, the described first electric corrected parameter so is added on first electrical quantity of being deposited, make the difference between second electrical quantity that is observed and second electrical quantity of being deposited quantitatively be minimized, the curve of the described first electric corrected parameter add and, and lifting curve as the parameter that characterizes described armature movement feature by through adding and the first electric corrected parameter try to achieve.
At the output terminal of described observation link, the described known deviation that causes is just sent back to the input end of described observation link like this by feedback element, makes described deviation will be reduced to minimum degree, becomes zero under best situation.Can be directly used in the lifting curve of trying to achieve armature to this described corrected parameter by feedback element output.Therefore, allow the lifting curve of described magnetic armature and therefore also have the lifting curve of valve element accurately to be simulated in the opening stage of described valve element at least by method of the present invention, thus, the optimization of injection is simple especially.
Preferred first electrical quantity is that the voltage and second electrical quantity are electric currents.These electrical quantitys of described magnet loop were original available and therefore allow to realize in cheap and simple mode by method of the present invention.
Feedback element can be proportional component, proportional integral link or more high-grade feedback element.Finally, the transmission performance between the speed of magnetic armature and the described corrected parameter is expressed by feedback element.Can consider system and difference structure of injection valve in addition and improve the precision of described method thus by the corresponding design proposal of selecting feedback element.Can for example impliedly realize the filtration of undesired signal of the signal of electric current that interference is deposited and/or voltage in addition by the described feedback element of parametrization correspondingly.
When in the observation link, simulating the eddy current circuit (Wirbelstrompfad) of described magnet loop, help to improve precision by method of the present invention.Even so, can be in the observation link under the simplest situation with corresponding reduce but still enough precision are only simulated described magnet loop in many use condition main circuit.
In having the internal-combustion engine of a plurality of injection valves, also can be used in by method of the present invention and to make that each Fuelinjection nozzle is identical.Make the operating steadily and vibrate and be reduced of described internal-combustion engine thus.
This example is it is identical to make that by the parameter of the described armature movement of sign of each injection valve of trying to achieve moment of maximum lift appears in described injection valve." make identical " and mean, these incidents separately take place relatively when identical crank angle occurring with for example separately the top dead center of cylinder.Alternatively can make from the time lag that begins to trigger identically to this, perhaps can make identical up to the time lag of closing described injection valve from maximum lift up to closing described injection valve.On the basis of understanding described needle valve movement, can when understanding extra parameter, for example fuel pressure, the parameter by the described armature movement of sign of being tried to achieve make that also the fuel injection quantity of described injection valve is identical.
Description of drawings
Next with reference to accompanying drawing embodiments of the invention are explained in detail.Accompanying drawing illustrates:
Fig. 1 is the schematic diagram that has the internal-combustion engine of a plurality of solenoid-operated injection valves;
Fig. 2 is the equivalent circuit diagram of the magnet loop of injection valve shown in Figure 1;
Fig. 3 is the skeleton diagram of magnet loop shown in Figure 2;
Fig. 4 is under the situation of the use observation link (Beobachterglied) that conforms to magnet loop shown in Figure 3, is used to try to achieve the skeleton diagram of the method for correction value;
Fig. 5 does not have to make two identical charts, wherein shows trigger current about the curve of time and the lifting curve about the time of three different injection valves;
Fig. 6 is two charts similar with Fig. 5, wherein makes identical from the time lag that begins to trigger up to closing described injection valve;
Fig. 7 is two charts similar with Fig. 5, makes that wherein the moment that maximum lift occurs is identical; And
Fig. 8 is two charts similar with Fig. 5, wherein makes identical up to the time lag of the maximum lift of closing described injection valve.
Embodiment
In Fig. 1, represent with reference character 10 on the whole internal-combustion engine.Described internal-combustion engine comprises fuel tank 12, and oil supply system 14 is sent into fuel the common rail 16 from described fuel tank.Be connected with a plurality of solenoid-operated injection valve 18a to 18d on described altogether rail, described injection valve injects fuel directly into attaches troops to a unit in their firing chamber 20a in 20d.The operation of described internal-combustion engine 10 is regulated in other words by control and controlling device 22 controls, and described in addition control and controlling device also trigger described injection valve 18a to 18d.
Figure 2 illustrates the equivalent circuit diagram of described valve 18a to the magnet loop 44 of the simplification of the Effector of the electromagnetism of 18d.Represent main circuit and represent eddy current circuit with reference character 46 with reference character 48.In the mode of execution of the simplification that does not illustrate, also can adopt equivalent circuit, described equivalent circuit is not simulated described eddy current circuit.The skeleton diagram of corresponding described magnet loop 44 is shown in Figure 3.The parameter of described skeleton diagram this from the parameter of the equivalent circuit of described Fig. 2 by electric current and voltage standardization are drawn.Described eddy current circuit passes through structural element R in the equivalent circuit of Fig. 2
W*And L
S*The simulation, in the skeleton diagram of Fig. 3 by having time constant T
sIntegrator 50 and have amplifying element K
RWProportional component 52 in feeder loop, simulate.
By at the skeleton diagram in other words of the equivalent circuit diagram shown in Fig. 2 and Fig. 3, the performance of described magnet loop 44 is not simulated with better precision when the magnetic armature of electromagnetically-operated device is not moved.What have a mind to is not consider the reaction of the motion of described magnetic armature to electric current and/or voltage in the extension simulation of Fig. 2 and Fig. 3.In the actual motion of 18d, described counteractive existence shows at the extension shown in Fig. 2 and Fig. 3 simulation and described injection valve 18a to the main difference between the magnet loop of the reality of 18d at described injection valve 18a.As further also will illustrating below, this difference is used to try to achieve the parameter that characterizes described magnetic armature motion characteristics.
To this, stipulate as skeleton diagram method shown in Figure 4 according to a kind of: the magnet loop of in Fig. 4, utilizing the reality of the described injection valve 18 of 54 expressions.The voltage u of first electrical quantity of depositing by applying the magnet loop 54 that also can be called as described reality draws trigger current i, and described trigger current also can be called as second electrical quantity of being deposited of the magnet loop 54 of described reality.Described trigger voltage u input observation link 56, described observation link is corresponding with the magnet loop 44 of simplification according to the skeleton diagram of Fig. 3.The output value of described observation link 56 is the coil current i that observe
b, can be called as second electrical quantity that observes of theoretical magnet loop 44 with regard to the described coil current of this respect.In 58, be formed on the coil current i that observes
bAnd the difference di between the coil current i that deposits
bAnd as input parameter input feedback element 60, this feedback element 60 can for example be proportional component, proportional integral link or also can be the feedback element of more high-grade and/or more complicated structure.At this, be expressed in the output value u of the speed and the described feedback element 60 of described magnetic armature 30 by the described feedback element 60 of parametrization
KorrBetween the transmission performance and also it is exerted an influence with regard to this respect.Just can impliedly realize disturbing the filtration of undesired signal of the signal of the coil current i that deposits and/or voltage u by relevant parametersization.
The described output value u that also can be called the first electric corrected parameter
KorrOnly in 62, join to addition in the input of described observation link 56.In this way, the coil current i that is observed
bTowards measured coil current i convergence (nachgef ü hrt), described difference di
bJust reduce to minimum degree and be classified as zero in other words.
Because be that in the difference between the magnet loop 44 of the magnet loop 54 of described reality and described simplification the motion of described magnetic armature causes the reaction of deviation, the described first electric corrected parameter u in observation link 56
KorrOnly accurately simulate this reaction, wherein, the speed of this reaction and described magnetic armature is proportional.Therefore, by to the described first electric corrected parameter u
KorrIntegration, the curve of described magnetic armature motion can be rebuild.Because described injection valve 18a to the lift of the needle-valve of 18d in the state of opening, yet at least in the closed procedure of the pass of described needle-valve, bump on valve seat up to it with the lift of described magnetic armature is the same, can utilize above-mentioned method to try to achieve the lifting curve of described needle-valve.If yet known described each injection valve 18a just can realize making described injection valve 18a identical to the parameter of trying to achieve of 18d to the lifting curve of the needle-valve of 18d by the coupling relative trigger time.Next these can describe with reference to Fig. 5 to 8.
In Fig. 5, what describe in the superincumbent chart is to be used for injection valve 18a to the trigger current i of the 18c curve about the time.This trigger current i is identical for whole three injection valve 18a to 18c, and corresponding curve is represented with 64 in Fig. 6.What draw in the chart below Fig. 6 is described three injection valve 18a to the lifting curve that is obtained by trigger current of 18c, and this has just formed corresponding curve 66a to 66c.The curve 66a of described injection valve 18a can be called the base curve that is used for common performance.The curve 66b of described injection valve 18b shows, and this injection valve 18b has so-called opening quiescent time of reducing.The curve 66c of described injection valve 18c shows, and this injection valve 18c has the opening speed of opening quiescent time and additionally having raising that reduces.People recognize do not have " making identical measure " just to produce the different finish time of fuel injection and different emitted doses at once.
By the lifting curve of the above-mentioned known described injection valve 18a of method that makes an explanation in conjunction with Fig. 4 to the reality of the needle-valve of 18d, it is identical to realize making definite parameter in this way now.As by learning among Fig. 6, the Change Example by the trigger current in the chart above Fig. 6 (curve 64a is to 64c) is as identical from the time lag that begins to trigger up to closing all injection valves as described in can making.This time lag is represented with 68 in Fig. 6.
To this scheme that substitutes can as by learn among Fig. 7, make occur as described in moment of maximum lift identical, be engraved in when described in the chart of below of Fig. 7 and utilize 70 to represent.The scheme that substitutes this another can be as the shut-in time, just identical to the time lag of 18c up to closing injection valve 18a from maximum lift as described in making by learning among Fig. 8.This utilizes 72 expressions in Fig. 8.
Claims (12)
1. the method that is used for operation of combustion engine (10), wherein fuel arrives in the firing chamber (20) by the injection valve (18) of the Effector that comprises electromagnetism, it is characterized in that,
A. link (56) is observed in the input of first electrical quantity of depositing of the magnet loop of the Effector of described electromagnetism, described observation link is simulated magnet loop not considering that the electrical quantity of armature movement to described magnet loop produces under the counteractive situation, wherein, described observation link (56) is tried to achieve second electrical quantity that is observed of described magnet loop
B. second electrical quantity that is observed and second electrical quantity of depositing are compared, and,
C. described comparative result is used to try to achieve the parameter of the feature that characterizes described armature movement.
2. by the described method of claim 1, it is characterized in that, in step b, form the difference between described second electrical quantity that observes and described second electrical quantity of depositing, and in step c, with described difference input feedback element (60), described feedback element is tried to achieve the first electric corrected parameter, the described first electric corrected parameter correction value so is added on first electrical quantity of depositing, make the difference between described second electrical quantity that observes and described second electrical quantity of depositing minimize, the curve of the described first electric corrected parameter add and, and lifting curve as the parameter of the feature that characterizes described armature movement by through adding and the described first electric corrected parameter try to achieve.
3. by each described method in the claim 1 or 2, it is characterized in that described first electrical quantity is that voltage and described second electrical quantity are electric currents.
4. by claim 2 or 3 described methods, it is characterized in that described feedback element (60) is proportional component, proportional integral link or more high-grade feedback element.
5. by each described method in the aforesaid right requirement, it is characterized in that the eddy current circuit of the described magnet loop of simulation in described observation link (56).
6. by each described method in the aforesaid right requirement, it is characterized in that, in the internal-combustion engine with a plurality of injection valves (18a is to 18d) (10), make that by the parameter of the feature of the sign armature movement of being tried to achieve the peaked moment of lift to occur identical.
7. by each described method in the aforesaid right requirement, it is characterized in that the parameter by the feature of the sign armature movement of being tried to achieve in the internal-combustion engine with a plurality of injection valves (18a is to 18d) (10) makes identical from the time lag that begins to trigger up to closing described injection valve.
8. by each described method in the aforesaid right requirement, it is characterized in that the parameter by the feature of the sign armature movement of being tried to achieve in the internal-combustion engine with a plurality of injection valves (18a is to 18d) (10) makes identical up to the time lag of closing described injection valve from the lift maximum value.
9. by each described method in the aforesaid right requirement, it is characterized in that the parameter by the feature of the sign armature movement of being tried to achieve in the internal-combustion engine with a plurality of injection valves (18a is to 18d) (10) makes that the emitted dose of described injection valve is identical.
10. computer program is characterized in that, described computer program is in order to be applied in by programming in each described method in the aforesaid right requirement.
11. be used for the control of internal-combustion engine (10) and/or the electric storage medium of controlling device (22), it is characterized in that, be stored in the described electric storage medium in order to be applied in the computer program that uses in each described method in the claim 1 to 9.
12. be used for the control and/or the controlling device (22) of internal-combustion engine (10), it is characterized in that described control and/or controlling device are in order to be applied in by programming in each described method in the claim 1 to 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008055008.6 | 2008-12-19 | ||
| DE102008055008.6A DE102008055008B4 (en) | 2008-12-19 | 2008-12-19 | Method for operating an internal combustion engine |
| PCT/EP2009/066357 WO2010069779A1 (en) | 2008-12-19 | 2009-12-03 | Method for determining an armature movement of an injection valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102257262A true CN102257262A (en) | 2011-11-23 |
| CN102257262B CN102257262B (en) | 2014-01-29 |
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ID=41664611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980151218.4A Active CN102257262B (en) | 2008-12-19 | 2009-12-03 | Method for determining an armature movement of an injection valve |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102257262B (en) |
| DE (1) | DE102008055008B4 (en) |
| WO (1) | WO2010069779A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009054589A1 (en) * | 2009-12-14 | 2011-06-16 | Robert Bosch Gmbh | Method and control device for operating a valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4425987A1 (en) * | 1994-07-22 | 1996-01-25 | Bosch Gmbh Robert | Method and device for controlling an electromagnetic consumer |
| DE19834405B4 (en) | 1998-07-30 | 2007-04-05 | Robert Bosch Gmbh | Method of estimating a needle lift of a solenoid valve |
| KR100398005B1 (en) | 2001-05-07 | 2003-09-19 | 현대자동차주식회사 | Needle lift estimation system of common-rail injector |
| DE10150199A1 (en) * | 2001-10-12 | 2003-04-24 | Wolfgang E Schultz | Method and circuit for detecting the armature position of an electromagnet |
| FI115008B (en) * | 2003-05-13 | 2005-02-15 | Waertsilae Finland Oy | Method for monitoring solenoid activity |
| ITBO20030642A1 (en) * | 2003-10-31 | 2005-05-01 | Magneti Marelli Powertrain Spa | METHOD FOR PILOTING AN INJECTOR WITH VERIFICATION |
| DE102005044886B4 (en) * | 2005-09-20 | 2009-12-24 | Continental Automotive Gmbh | Apparatus and method for detecting an end of movement of a valve piston in a valve |
| DE102006009920A1 (en) * | 2006-03-03 | 2007-09-06 | Robert Bosch Gmbh | Determination of individual cylinder correction values of the injection quantity of an internal combustion engine |
| DE102007023898A1 (en) * | 2007-05-23 | 2008-11-27 | Robert Bosch Gmbh | Method for controlling an injection valve |
-
2008
- 2008-12-19 DE DE102008055008.6A patent/DE102008055008B4/en active Active
-
2009
- 2009-12-03 CN CN200980151218.4A patent/CN102257262B/en active Active
- 2009-12-03 WO PCT/EP2009/066357 patent/WO2010069779A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008055008B4 (en) | 2018-08-09 |
| CN102257262B (en) | 2014-01-29 |
| DE102008055008A1 (en) | 2010-06-24 |
| WO2010069779A1 (en) | 2010-06-24 |
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