CN102257262B - 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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- CN102257262B CN102257262B CN200980151218.4A CN200980151218A CN102257262B CN 102257262 B CN102257262 B CN 102257262B CN 200980151218 A CN200980151218 A CN 200980151218A CN 102257262 B CN102257262 B CN 102257262B
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- electrical quantity
- parameter
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- injection valve
- armature movement
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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 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims description 10
- 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
- 230000015572 biosynthetic process Effects 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 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000013011 mating Effects 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
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- F02D41/008—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 of internal-combustion engine.
background technique
Known internal-combustion engine from the market, in described internal-combustion engine, gasoline is directly injected in each firing chamber from injection valve.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 fuel of realizing and sprays optimized method.
This task by the present invention by being resolved according to method of the present invention.The present invention gives favourable improvement project.In addition, in ensuing description and find in the accompanying drawings the important feature for the present invention.These features can at this not only individually but also be important for the present invention with different combinations, be described in detail here no longer again.
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 to exert an influence, so that the injection of optimized fuel whereby.Finally, contribution of the present invention be to reduce internal-combustion engine discharge, reduce fuel consumption and avoid combustion noise.
To this, as basic design, be that the electrical quantity of the magnet loop of the Effector of described electromagnetism by observation link, namely evaluation method is tried to achieve, and understand is in the situation that ignore that the motion of magnetic armature tries to achieve the electrical quantity impact of magnet loop completely.Therefore, describedly by the observation link electrical quantity of trying to achieve, inevitably comprise deviation, described deviation can by with corresponding parameter of depositing relatively come to determine.Thisly do not considering that the deviation causing in armature movement is to the counteractive situation of 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 by method of the present invention, do not need each extra assembly just can work and can be individually in the mode of software, realize.Therefore, described assembly extremely cheaply and if desired even can be applied in the system having produced.
Illustrating of the general design of the present invention is, in step b, form the difference between the second electrical quantity observing and the second electrical quantity of depositing, and in step c, by described difference input feedback link, described feedback element is tried to achieve the first electric corrected parameter, described the first electric corrected parameter is so added on the first deposited electrical quantity, difference between the second electrical quantity that makes the second observed electrical quantity and deposit is quantitatively minimized, the curve of described the 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 causing is namely sent back to the input end of described observation link like this by feedback element, make described deviation will be reduced to minimum degree, becomes zero best in the situation that.To the corrected parameter of being exported by feedback element described in this, can be directly used in the lifting curve of trying to achieve armature.Therefore, by method of the present invention, allow the lifting curve of described magnetic armature and therefore also have the lifting curve of valve element at least in the opening stage of described valve element, accurately to be simulated, thus, the optimization of injection is simple especially.
Preferably the first electrical quantity is that voltage and the second electrical quantity are electric currents.These electrical quantitys of described magnet loop are 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 described corrected parameter is expressed by feedback element.By selecting the corresponding design proposal of feedback element can consider in addition system and difference structure of injection valve and improving thus the precision of described method.By feedback element described in parametrization correspondingly, can for example impliedly realize in addition disturbing the filtration of undesired signal of the signal of the electric current deposited and/or voltage.
When simulating the eddy current circuit (Wirbelstrompfad) of described magnet loop in observation link, contribute to improve by the precision of method of the present invention.Even so, can be in observation link in the simplest situation with corresponding reduce but still enough precision is only simulated described magnet loop in many service condition main circuit.
In the internal-combustion engine with a plurality of injection valves, by method of the present invention, also can be used in and make each Fuelinjection nozzle identical.Make thus operating steadily and vibrate and being reduced of described internal-combustion engine.
This example is, by the parameter of the described armature movement of sign of each injection valve of trying to achieve, makes described injection valve occur that the moment of maximum lift is identical." make identical " and mean, with the top dead center of for example cylinder separately, these events separately occur when there is identical crank angle relatively.To this, alternatively can make from starting to trigger until to close the time lag of described injection valve identical, or can make from maximum lift until to close the time lag of described injection valve identical.Understanding on the basis of described needle valve movement, can when understanding extra parameter, for example fuel pressure, the parameter by the tried to achieve described armature movement of sign also make the fuel injection quantity of described injection valve identical.
Accompanying drawing explanation
Next with reference to accompanying drawing, embodiments of the invention are explained in detail.Accompanying drawing illustrates:
Fig. 1 is the schematic diagram with the internal-combustion engine of a plurality of solenoid-operated injection valves;
Fig. 2 is the equivalent circuit diagram of the magnet loop of the injection valve shown in Fig. 1;
Fig. 3 is the skeleton diagram of the magnet loop shown in Fig. 2;
Fig. 4 is that the use conforming to the magnet loop shown in Fig. 3 is observed in the situation of link (Beobachterglied), for trying to achieve the skeleton diagram of the method for correction value;
Fig. 5 is without making 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 from starting to trigger until to close the time lag of described injection valve identical;
Fig. 7 is two charts similar with Fig. 5, wherein makes to occur that the moment of maximum lift is identical; And
Fig. 8 is two charts similar with Fig. 5, wherein makes until to close time lag of maximum lift of described injection valve identical.
Embodiment
In Fig. 1, in whole internal-combustion engine, with reference character 10, represent.Described internal-combustion engine comprises fuel tank 12, and oil supply system 14 is sent into fuel common rail 16 from described fuel tank.On described altogether rail, be connected with a plurality of solenoid-operated injection valve 18a to 18d, 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 controlled in other words and is regulated by controlling with controlling device 22, and described control and controlling device also trigger described injection valve 18a to 18d in addition.
Figure 2 illustrates described valve 18a to the equivalent circuit diagram of the magnet loop 44 of the simplification of the Effector of the electromagnetism of 18d.With reference character 46, represent main circuit and represent eddy current circuit with reference character 48.In the mode of execution of the simplification not illustrating, 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 standard are drawn.Described eddy current circuit passes through structural element R in the equivalent circuit of Fig. 2
w*and L
s*simulation, in the skeleton diagram of Fig. 3 by thering is time constant T
sintegrator 50 and there is 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.Have a mind to, the reaction of the motion of not considering described magnetic armature in the extension simulation of Fig. 2 and Fig. 3 to electric current and/or voltage.At described injection valve 18a, in the actual motion of 18d, described counteractive existence shows at the extension simulation shown in Fig. 2 and Fig. 3 and described injection valve 18a to the main difference between the actual magnet loop of 18d.As further also will illustrated below, this difference is for trying to achieve the parameter that characterizes described magnetic armature motion characteristics.
To this, according to a kind of, as skeleton diagram method shown in Figure 4, stipulate: the actual magnet loop of utilizing the described injection valve 18 of 54 expression in Fig. 4.By applying the voltage u of first electrical quantity of depositing of the magnet loop 54 that also can be called as described reality, draw trigger current i, described trigger current also can be called as second electrical quantity of depositing 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, with regard to the described coil current of this respect, can be called as second electrical quantity observing of theoretical magnet loop 44.In 58, be formed on the coil current i observing
band the difference di between the coil current i depositing
band as input parameter input feedback link 60, this feedback element 60 can be for example proportional component, proportional integral link or can be also the feedback element of more high-grade and/or more complicated structure.At this, the output value u expressing in speed and the described feedback element 60 of described magnetic armature 30 by feedback element described in parametrization 60
korrbetween transmission performance and with regard to this respect, also it is exerted an influence.By corresponding parametrization, just can impliedly realize the filtration of the undesired signal of the signal that disturbs the coil current i deposit and/or voltage u.
The described output value u that also can be called the first electric corrected parameter
korronly in 62, be added and join in the input of described observation link 56.In this way, the coil current i observing
btowards measured coil current i convergence (nachgef ü hrt), described difference di
bnamely reduce to minimum degree and be classified as in other words zero.
Because be in observation link 56 that in the difference between the magnet loop 54 of described reality and the magnet loop 44 of described simplification the motion of described magnetic armature causes the reaction of deviation, described the first electric corrected parameter u
korronly accurately simulate this reaction, wherein, the speed of this reaction and described magnetic armature is proportional.Therefore, by described the 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 closing process of described needle-valve, lift with described magnetic armature is the same until it touches on valve seat, can utilize above-mentioned method to try to achieve the lifting curve of described needle-valve.If yet known described each injection valve 18a is to the lifting curve of the needle-valve of 18d, just can make described injection valve 18a identical to the parameter of trying to achieve of 18d by mating corresponding triggered time realization.Next these can describe with reference to Fig. 5 to 8.
In Fig. 5, in superincumbent chart, describe be for injection valve 18a to the trigger current i of 18c the curve about the time.This trigger current i is identical for whole three injection valve 18a to 18c, and corresponding curve represents with 64 in Fig. 6.In chart below Fig. 6, draw be described three injection valve 18a to the lifting curve being obtained by trigger current of 18c, this has just formed corresponding curve 66a to 66c.The curve 66a of described injection valve 18a can be called the base curve 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 reducing.People recognize do not have " making identical measure " just to produce the different finish time of fuel injection and different emitted doses at once.
The known described injection valve 18a of method making an explanation by above-mentioned combination Fig. 4, to the actual lifting curve of the needle-valve of 18d, can realize now and make definite parameter identical in this way.As learnt in Fig. 6, the Change Example by the trigger current in the chart above Fig. 6 (curve 64a is to 64c) is if make described from starting to trigger until to close the time lag of all injection valves identical.This time lag represents with 68 in Fig. 6.
As described in can making to occur as learnt in Fig. 7 to this alternative scheme the moment of maximum lift identical, when described, be engraved in the chart of below of Fig. 7 and utilize 70 expressions.Shut-in time as described in can making as learnt in Fig. 8 this another alternative scheme, namely from maximum lift until to close injection valve 18a identical to the time lag of 18c.This utilizes 72 expressions in Fig. 8.
Claims (9)
1. for the method for operation of combustion engine (10), wherein fuel arrives in firing chamber (20) by the injection valve (18) that comprises the Effector of electromagnetism, it is characterized in that,
A. link (56) is observed in the first electrical quantity input of depositing of the magnet loop of the Effector of described electromagnetism, described observation link is not considering that armature movement produces counteractive situation Imitating magnet loop to the electrical quantity of described magnet loop, wherein, described observation link (56) is tried to achieve second electrical quantity observing of described magnet loop
B. the second observed electrical quantity and the second electrical quantity of depositing are compared, and,
C. described comparative result is used for trying to achieve the parameter of the feature that characterizes described armature movement.
2. by method claimed in claim 1, it is characterized in that, in step b, the second electrical quantity observing described in formation and described in difference between the second electrical quantity of depositing, and in step c, by described difference input feedback link (60), described feedback element is tried to achieve the first electric corrected parameter, described the first electric corrected parameter correction value is so added on the first electrical quantity of depositing, the second electrical quantity observing described in making and described in difference between the second electrical quantity of depositing minimize, the curve of described the first electric corrected parameter add and, and lifting curve as characterize described armature movement feature parameter by through adding and described the first electric corrected parameter try to achieve.
3. by the method described in claim 1 or 2, it is characterized in that, described the first electrical quantity is that voltage and described the second electrical quantity are electric currents.
4. by method claimed in claim 2, it is characterized in that, described feedback element (60) is proportional component, proportional integral link or more high-grade feedback element.
5. by the method described in claim 1 or 2, it is characterized in that the eddy current circuit of the described magnet loop of simulation in described observation link (56).
6. by the method described in claim 1 or 2, it is characterized in that, the parameter by the feature of tried to achieve sign armature movement in having the internal-combustion engine (10) of a plurality of injection valves (18a is to 18d) makes to occur that the peaked moment of lift is identical.
7. by the method described in claim 1 or 2, it is characterized in that, in thering is the internal-combustion engine (10) of a plurality of injection valves (18a is to 18d), by the parameter of the feature of tried to achieve sign armature movement, make from starting to trigger until to close the time lag of described injection valve identical.
8. by the method described in claim 1 or 2, it is characterized in that, in thering is the internal-combustion engine (10) of a plurality of injection valves (18a is to 18d), by the parameter of the feature of tried to achieve sign armature movement, make from lift maximum value until to close the time lag of described injection valve identical.
9. by the method described in claim 1 or 2, it is characterized in that, the parameter by the feature of tried to achieve sign armature movement in having the internal-combustion engine (10) of a plurality of injection valves (18a is to 18d) makes the emitted dose of described injection valve identical.
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 CN102257262A (en) | 2011-11-23 |
| CN102257262B true CN102257262B (en) | 2014-01-29 |
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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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626785A (en) * | 2003-10-31 | 2005-06-15 | 玛涅蒂玛瑞利动力系公开有限公司 | Method for controlling an injector with verification of plunger movement |
| EP1634313B1 (en) * | 2003-05-13 | 2006-12-20 | Wärtsilä Finland Oy | A method of controlling the operation of a solenoid |
| CN101311515A (en) * | 2007-05-23 | 2008-11-26 | 罗伯特·博世有限公司 | Method for controlling injection valve |
Family Cites Families (6)
| 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 |
| 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 |
-
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
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1634313B1 (en) * | 2003-05-13 | 2006-12-20 | Wärtsilä Finland Oy | A method of controlling the operation of a solenoid |
| CN1626785A (en) * | 2003-10-31 | 2005-06-15 | 玛涅蒂玛瑞利动力系公开有限公司 | Method for controlling an injector with verification of plunger movement |
| CN101311515A (en) * | 2007-05-23 | 2008-11-26 | 罗伯特·博世有限公司 | Method for controlling injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008055008B4 (en) | 2018-08-09 |
| DE102008055008A1 (en) | 2010-06-24 |
| CN102257262A (en) | 2011-11-23 |
| WO2010069779A1 (en) | 2010-06-24 |
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