CN108869839A - The flow-compensated method and device of flow variable force solenoid valve - Google Patents
The flow-compensated method and device of flow variable force solenoid valve Download PDFInfo
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- CN108869839A CN108869839A CN201710329889.1A CN201710329889A CN108869839A CN 108869839 A CN108869839 A CN 108869839A CN 201710329889 A CN201710329889 A CN 201710329889A CN 108869839 A CN108869839 A CN 108869839A
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- Prior art keywords
- flow
- solenoid valve
- variable force
- force solenoid
- compensated
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
- F16H2061/0279—Details of hydraulic valves, e.g. lands, ports, spools or springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention provides a kind of flow-compensated method and device of flow variable force solenoid valve, the method includes：The target flow of flow variable force solenoid valve is set, so that the piston of clutch actuator oil pocket moves under the action of the flow variable force solenoid valve；In preset displacement range, according to the sectional area of the moving condition of the piston, the target flow and the clutch actuator oil pocket, seek corresponding to the flow-compensated point of the target flow, the flow-compensated point indicates the relationship between the target flow and actual flow；The flow variable force solenoid valve is carried out according to the flow-compensated point flow-compensated.The method and device can make compensated flow be consistent with target flow, and then the accurate control to clutch may be implemented.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of flow-compensated method and devices of flow variable force solenoid valve.
Background technique
Flow variable force solenoid valve (Quantity Variable Force Solenoid, Q-VFS) can be used for control from
Clutch.Usually the flow control of convection current amount variable force solenoid valve can be realized by the control signal of change flow variable force solenoid valve,
To obtain target flow, and then it can control clutch.
But in application process, can there are problems that actual flow is not consistent with target flow, so will lead to from
The inaccurate problem of the control of clutch.
Summary of the invention
Present invention solves the technical problem that being the problem of actual flow of flow variable force solenoid valve is not consistent with target flow.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of flow-compensated method of flow variable force solenoid valve,
Including：The target flow of flow variable force solenoid valve is set, so that the piston of clutch actuator oil pocket is in the flow variable force electricity
It is moved under the action of magnet valve；In preset displacement range, according to the moving condition of the piston, the target flow and institute
The sectional area for stating clutch actuator oil pocket, seeks the flow-compensated point for corresponding to the target flow, and the flow-compensated point refers to
Show the relationship between the target flow and actual flow；The flow variable force solenoid valve is flowed according to the flow-compensated point
Amount compensation.
Optionally, the flow-compensated point for seeking corresponding to the target flow includes：In the preset displacement range
It is interior, calculate the mobile actual speed average value of the piston；Calculate the actual speed average value and the clutch actuator
The product of the sectional area of oil pocket, as the actual flow；Calculate the ratio between the target flow and the actual flow
As the flow-compensated point.
Optionally, calculating the mobile actual speed of the piston includes：To the work in the preset displacement range
The actual displacement time graph of plug carries out average roll and filters；It calculates and described averagely rolls the oblique of filtered displacement time curve
Rate；Low-pass filtering is carried out to the slope, to obtain the actual speed average value.
Optionally, flow-compensated to flow variable force solenoid valve progress according to the flow-compensated point to further include before：
Determine the flow-compensated point within a preset range.
Optionally, the target flow of the setting flow variable force solenoid valve includes：In the stream of the flow variable force solenoid valve
It measures in range, different target flows is set.
Optionally, it is arranged before the target flow of flow variable force solenoid valve, further includes：Determine the flow variable force solenoid valve
Working connection pressure be more than preset value, and the corresponding selector fork of the clutch actuator oil cylinder is located at middle position.
Optionally, the clutch actuator oil pocket be located at corresponding selector fork in double-clutch speed changer middle position from
Clutch.
The embodiment of the present invention also provides a kind of flow compensation device of flow variable force solenoid valve, including：Target flow setting
Unit, suitable for the target flow of flow variable force solenoid valve is arranged, so that the piston of clutch actuator oil pocket becomes in the flow
It is moved under the action of power solenoid valve；Compensation point computing unit is suitable in preset displacement range, according to the movement of the piston
The sectional area of state, the target flow and the clutch actuator oil pocket seeks the flow for corresponding to the target flow
Compensation point, the flow-compensated point indicate the relationship between the target flow and actual flow；Flow-compensated unit is suitable for basis
The flow-compensated point carries out the flow variable force solenoid valve flow-compensated.
Optionally, the compensation point computing unit includes：Actual speed computing unit is suitable in the preset displacement model
In enclosing, the mobile actual speed average value of the piston is calculated；Actual flow computing unit is suitable for calculating the actual speed flat
The product of the sectional area of mean value and the clutch actuator oil pocket, as the actual flow；Ratio calculation unit is suitable for meter
The ratio between the target flow and the actual flow is calculated as the flow-compensated point.
Optionally, the actual speed computing unit includes：Filter unit is averagely rolled, is suitable for the preset displacement
The actual displacement time graph of the piston in range carries out average roll and filters；Slope calculation unit SCU is suitable for described in calculating
Averagely roll the slope of filtered displacement time curve；Low-pass filter unit is suitable for carrying out low-pass filtering to the slope, with
Obtain the actual speed average value.
Optionally, the flow compensation device of the flow variable force solenoid valve further includes flow-compensated detection unit, is suitable for
Determine the flow-compensated point within a preset range.
Optionally, the target flow setting unit is suitable in the range of flow of the flow variable force solenoid valve, setting
Different target flows.
Optionally, the flow compensation device of the flow variable force solenoid valve also wraps test environment determination unit, is adapted to determine that
The working connection pressure of the flow variable force solenoid valve is more than preset value, and the corresponding selector fork of the clutch actuator oil cylinder
Positioned at middle position.
Optionally, the clutch actuator oil pocket be located at corresponding selector fork in double-clutch speed changer middle position from
Clutch.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that：
Pass through the moving condition of the piston of clutch actuator oil pocket, target flow and clutch actuator oil
The sectional area of chamber can seek corresponding to the flow-compensated point of the target flow, be become according to the flow-compensated point to the flow
The progress of power solenoid valve is flow-compensated, so that compensated flow is consistent with target flow, and then may be implemented to clutch
Accurate control.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the flow-compensated method of flow variable force solenoid valve in the embodiment of the present invention；
Fig. 2 is a kind of signal of the pressure, flow and clutch position of flow variable force solenoid valve in the embodiment of the present invention
Figure；
Fig. 3 is a kind of flow chart of specific implementation of step S12 in Fig. 1；
Fig. 4 is a kind of flow chart of specific implementation of step S31 in Fig. 3；
Fig. 5 is a kind of structural schematic diagram of the flow compensation device of flow variable force solenoid valve in the embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of specific implementation of compensation point computing unit 52 in Fig. 5.
Specific embodiment
As previously mentioned, flow variable force solenoid valve (Quantity Variable Force Solenoid, Q-VFS) can be used
In control clutch.Usually convection current amount variable force solenoid valve can be realized by the control signal of change flow variable force solenoid valve
Flow control to obtain target flow, and then can control clutch.But in application process, can exist actual flow with
The problem of target flow is not consistent, and then will lead to the inaccurate problem of the control to clutch.
In embodiments of the present invention, pass through the moving condition of the piston of clutch actuator oil pocket, target flow, Yi Jisuo
The sectional area for stating clutch actuator oil pocket can seek corresponding to the flow-compensated point of the target flow, be mended according to the flow
Repay a little to the flow variable force solenoid valve carry out it is flow-compensated, so that the compensated flow made is consistent with target flow, in turn
The accurate control to clutch may be implemented.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Fig. 1 is a kind of flow chart of the flow-compensated method of flow variable force solenoid valve in the embodiment of the present invention, specifically can be with
Include the following steps：
The target flow of flow variable force solenoid valve is arranged, so that the piston of clutch actuator oil pocket is described in step S11
It is moved under the action of flow variable force solenoid valve；
Step S12, in preset displacement range, according to the moving condition of the piston, the target flow and institute
The sectional area for stating clutch actuator oil pocket, seeks the flow-compensated point for corresponding to the target flow, and the flow-compensated point refers to
Show the relationship between the target flow and actual flow；
Step S13 carries out the flow variable force solenoid valve according to the flow-compensated point flow-compensated.
Wherein, target flow can be the flow value in the range of flow of the flow variable force solenoid valve.Due to correspondence
Different target flows, compensation point may be different, therefore in specific implementation, different target streams can be set in step S11
The numerical value of amount to obtain corresponding to the compensation point of the target flow of different numerical value, and then can make convection current amount variable force solenoid valve
It compensates more targeted.
Fig. 2 is a kind of signal of the pressure, flow and clutch position of flow variable force solenoid valve in the embodiment of the present invention
Figure, is further described below in conjunction with Fig. 2.
The flow of flow variable force solenoid valve can be controlled by pressure, in the ideal case, goal pressure and target flow it
Between should have corresponding relationship, such as in Fig. 2 illustrate goal pressure curve 1 and signal target flow curve 2 shown in.In Fig. 2
Axis of abscissas is time shaft, and axis of ordinates only indicates the direction that different curves are increased using arrow direction as numerical value.
In the ideal case, target flow and actual flow are consistent；But in actual use, due to flow variable force electricity
The problems such as hydraulic system where magnet valve is likely to occur leakage often will appear actual flow and the inconsistent feelings of target flow
Condition.
In order to realize the accurate control to clutch, the flow of convection current amount variable force solenoid valve is needed to compensate, this is just needed
Want the actual flow of measuring flow variable force solenoid valve.Since the purpose of compensation is finally the accurate control realized to clutch, and
Situations such as hydraulic system where flow variable force solenoid valve is likely to occur leakage, will affect the control finally to clutch, therefore with
Practical function in clutch flow as actual flow, can preferably reflect target flow and practical control be played to clutch
Relationship between the flow of production.It, can be more quasi- using compensation point after compensation point is calculated based on above-mentioned relation as a result,
True convection current amount variable force solenoid valve progress is flow-compensated, may further promote the accuracy to clutch control.
Practical function pushes the work of clutch actuator oil pocket in the flow injection clutch actuator oil pocket of clutch
Plug movement, to complete the control to clutch.Therefore can be by measuring the moving condition of piston, and combine clutch actuator oil
The sectional area of chamber seeks the relationship between target flow and actual flow, to calculate compensation point.
Preset displacement range in step S12, the piston in a period of time after can be setting target flow
Displacement, in the preset displacement range, the moving condition of piston is more stable.Such as the region in Fig. 2 between T1 point and T2 point.
Curve 3 is the displacement time curve of piston, it can be seen that in the area, the moving condition of piston is more steady.
Fig. 3 is a kind of flow chart of specific implementation of step S12 in Fig. 1, is carried out below in conjunction with Fig. 3 to step S12 in Fig. 1
It further illustrates.
Step S12 in Fig. 1 may include steps of：
Step S31 calculates the mobile actual speed average value of the piston in the preset displacement range；
Step S32 calculates the product of the sectional area of the actual speed average value and the clutch actuator oil pocket, makees
For the actual flow；
Step S33 calculates the ratio between the target flow and the actual flow as the flow-compensated point.
Wherein, referring to fig. 4, it may include walking as follows that the step S31 in Fig. 3, which calculates the mobile actual speed of the piston,
Suddenly：
Step S41 carries out average rolling to the actual displacement time graph of the piston in the preset displacement range
Dynamic filtering；
Step S42 calculates the slope for averagely rolling filtered displacement time curve；
Step S43 carries out low-pass filtering to the slope, to obtain the actual speed average value.
By that can be obtained based on sensor, the electric signal of sensor output may be deposited the actual displacement time graph of piston
In clutter and bounce, therefore after carrying out smoothly to actual displacement time graph, then slope is sought, it is as a result more accurate.
In specific implementation, in Fig. 1 before step S13, can also include：Determine the flow-compensated point in default model
In enclosing.Preset range can be empirical data.If the flow-compensated point being calculated exceed preset range, usually illustrate from
Clutch is in unsteady motion state, the problems such as clutch grab or position hopping such as occurs, can give up the benefit at this time
Point data is repaid, and re-executes step S11 in Fig. 1.
It is more than preset value in the working connection pressure of flow variable force solenoid valve, and vehicle is in and stablizes driving status and without shift
When demand, the flow-compensated method of the flow variable force solenoid valve in the embodiment of the present invention is available more accurate as a result, event
Before step S11 shown in Fig. 1, can also include：The working connection pressure for determining the flow variable force solenoid valve is more than preset value,
And the corresponding selector fork of the clutch actuator oil cylinder is located at middle position.
In specific implementation, the clutch actuator oil pocket is located in double-clutch speed changer corresponding selector fork in
The clutch of position, it may include following situation that the corresponding selector fork of clutch actuator oil cylinder, which is located at middle position,：
When vehicle is stablized when driving on odd number shelves, the shift fork on even number axis all takes off to middle position, can control idol at this time
The corresponding flow variable force solenoid valve of number clutch is target flow, and controls flow variable force solenoid valve corresponding with even number clutch
Other valve bodies matched are corresponding dbjective state, such as control pressure variable force solenoid valve (Pressure Variable
Force Solenoid, P-VFS) it is dbjective state compatible with target flow；
When vehicle is stablized when driving on even gear, the shift fork on odd number axis all takes off to middle position, can control surprise at this time
The Q-VFS of number clutches is target flow, and control that corresponding with odd number clutch flow variable force solenoid valve matches other
Valve body is corresponding dbjective state.
It can be seen that the embodiment of the present invention can be implemented during normal vehicle operation, it is only necessary to flow to be compensated
The corresponding selector fork of variable force solenoid valve is located at middle position namely the corresponding clutch of flow variable force solenoid valve to be compensated does not pass through
Gearbox output torque.
Flow-compensated method in the embodiment of the present invention can be implemented during being tested after vehicle is offline,
Can during vehicle normal use, shift number reach preset value or flow variable force solenoid valve where automobile
Mileage travelled reach preset value when progress.
The embodiment of the present invention by the moving condition of the piston of clutch actuator oil pocket, target flow and it is described from
The sectional area of clutch actuator oil pocket can seek corresponding to the flow-compensated point of the target flow, according to the flow-compensated point
The flow variable force solenoid valve is carried out it is flow-compensated so that compensated flow is consistent with target flow, and then can be with
Realize the accurate control to clutch.
The embodiment of the present invention also provides a kind of flow compensation device of flow variable force solenoid valve, and structural schematic diagram is referring to figure
5, it can specifically include：
Target flow setting unit 51, suitable for the target flow of flow variable force solenoid valve is arranged, so that clutch actuator
The piston of oil pocket moves under the action of the flow variable force solenoid valve；
Compensation point computing unit 52 is suitable in preset displacement range, according to the moving condition of the piston, the mesh
The sectional area for marking flow and the clutch actuator oil pocket, seeks the flow-compensated point for corresponding to the target flow, described
Flow-compensated point indicates the relationship between the target flow and actual flow；
Flow-compensated unit 53 is suitable for carrying out flow benefit to the flow variable force solenoid valve according to the flow-compensated point
It repays.
In specific implementation, the target flow setting unit 51 is suitable for the range of flow in the flow variable force solenoid valve
It is interior, different target flows is set.
Referring to Fig. 6, wherein compensation point computing unit 52 may include in Fig. 5：
Actual speed computing unit 61 is suitable in the preset displacement range, calculates the mobile reality of the piston
Speed average；
Actual flow computing unit 62, suitable for calculating the actual speed average value and the clutch actuator oil pocket
The product of sectional area, as the actual flow；
Ratio calculation unit 63, suitable for calculating the ratio between the target flow and the actual flow as the stream
Measure compensation point.
In specific implementation, actual speed computing unit 61 may include：
Filter unit (not shown) is averagely rolled, suitable for the actual bit to the piston in the preset displacement range
Shift time curve carries out average roll and filters；
Slope calculation unit SCU (not shown), suitable for calculating the slope for averagely rolling filtered displacement time curve；
Low-pass filter unit (not shown) is suitable for carrying out low-pass filtering to the slope, flat to obtain the actual speed
Mean value.
In specific implementation, the flow compensation device of the flow variable force solenoid valve in the embodiment of the present invention can also include：
Flow-compensated detection unit (not shown) is adapted to determine that the flow-compensated point within a preset range.
In specific implementation, the flow compensation device of the flow variable force solenoid valve in the embodiment of the present invention can also include：
Environment determination unit (not shown) is tested, is adapted to determine that the working connection pressure of the flow variable force solenoid valve is more than preset value, and
The corresponding selector fork of the clutch actuator oil cylinder is located at middle position.
In specific implementation, the clutch actuator oil pocket is located in double-clutch speed changer corresponding selector fork in
The clutch of position.
Each unit in the flow compensation device of flow variable force solenoid valve in the embodiment of the present invention, can use general
Processor, digital signal processor (DSP), specific integrated circuit (ASIC), field programmable gate array (FPGA) or it is other can
Programmed logic device, discrete door or transistor logic, discrete hardware component or its be designed to carry out function described herein
Any combination, and sensitive detection parts, such as position sensor is combined to realize or execute.General processor can be micro process
Device, but in alternative, which can be any conventional processor, controller, microcontroller or state machine.Place
Reason device is also implemented as calculating the combination of equipment, such as combination, multi-microprocessor and the DSP core of DSP and microprocessor
The one or more microprocessors or any other such configuration of heart cooperation.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (14)
1. a kind of flow-compensated method of flow variable force solenoid valve, which is characterized in that including：
The target flow of flow variable force solenoid valve is set, so that the piston of clutch actuator oil pocket is in the flow variable force electromagnetism
It is moved under the action of valve；
In preset displacement range, executed according to the moving condition of the piston, the target flow and the clutch
The sectional area of device oil pocket, seeks the flow-compensated point for corresponding to the target flow, and the flow-compensated point indicates the target stream
Relationship between amount and actual flow；
The flow variable force solenoid valve is carried out according to the flow-compensated point flow-compensated.
2. the flow-compensated method of flow variable force solenoid valve according to claim 1, which is characterized in that described to seek corresponding to
The flow-compensated point of the target flow includes：
In the preset displacement range, the mobile actual speed average value of the piston is calculated；
The product for calculating the sectional area of the actual speed average value and the clutch actuator oil pocket, as the practical stream
Amount；
The ratio between the target flow and the actual flow is calculated as the flow-compensated point.
3. the flow-compensated method of flow variable force solenoid valve according to claim 2, which is characterized in that calculate the piston
Mobile actual speed includes：
Average roll is carried out to the actual displacement time graph of the piston in the preset displacement range to filter；
Calculate the slope for averagely rolling filtered displacement time curve；
Low-pass filtering is carried out to the slope, to obtain the actual speed average value.
4. the flow-compensated method of flow variable force solenoid valve according to claim 1, which is characterized in that according to the flow
Further include before compensation point is flow-compensated to flow variable force solenoid valve progress：Determine the flow-compensated point in preset range
It is interior.
5. the flow-compensated method of flow variable force solenoid valve according to claim 1, which is characterized in that the setting flow
The target flow of variable force solenoid valve includes：In the range of flow of the flow variable force solenoid valve, different target flows is set.
6. the flow-compensated method of flow variable force solenoid valve according to any one of claims 1 to 5, which is characterized in that set
Before the target flow for setting flow variable force solenoid valve, further include：The working connection pressure for determining the flow variable force solenoid valve is more than
Preset value, and the corresponding selector fork of the clutch actuator oil cylinder is located at middle position.
7. the flow-compensated method of flow variable force solenoid valve according to any one of claims 1 to 5, which is characterized in that institute
It states clutch actuator oil pocket and is located in double-clutch speed changer corresponding selector fork in the clutch of middle position.
8. a kind of flow compensation device of flow variable force solenoid valve, which is characterized in that including：
Target flow setting unit, suitable for the target flow of flow variable force solenoid valve is arranged, so that clutch actuator oil pocket
Piston moves under the action of the flow variable force solenoid valve；
Compensation point computing unit is suitable in preset displacement range, according to the moving condition of the piston, the target flow
And the sectional area of the clutch actuator oil pocket, the flow-compensated point for corresponding to the target flow is sought, the flow is mended
Repay the relationship between the instruction target flow and actual flow；
Flow-compensated unit is suitable for carrying out the flow variable force solenoid valve according to the flow-compensated point flow-compensated.
9. the flow compensation device of flow variable force solenoid valve according to claim 8, which is characterized in that the compensation point meter
Calculating unit includes：
Actual speed computing unit is suitable in the preset displacement range, and it is flat to calculate the mobile actual speed of the piston
Mean value；
Actual flow computing unit, suitable for calculating the sectional area of the actual speed average value and the clutch actuator oil pocket
Product, as the actual flow；
Ratio calculation unit, suitable for calculating the ratio between the target flow and the actual flow as described flow-compensated
Point.
10. the flow compensation device of flow variable force solenoid valve according to claim 9, which is characterized in that the practical speed
Spending computing unit includes：
Averagely roll filter unit, suitable for the actual displacement time graph to the piston in the preset displacement range into
Row is average to roll filtering；
Slope calculation unit SCU, suitable for calculating the slope for averagely rolling filtered displacement time curve；
Low-pass filter unit is suitable for carrying out low-pass filtering to the slope, to obtain the actual speed average value.
11. the flow compensation device of flow variable force solenoid valve according to claim 8, which is characterized in that further include flow
Compensation point detection unit is adapted to determine that the flow-compensated point within a preset range.
12. the flow compensation device of flow variable force solenoid valve according to claim 8, which is characterized in that the target stream
It measures setting unit to be suitable in the range of flow of the flow variable force solenoid valve, different target flows is set.
13. according to the flow compensation device of the described in any item flow variable force solenoid valves of claim 8 to 12, which is characterized in that
Further include test environment determination unit, is adapted to determine that the working connection pressure of the flow variable force solenoid valve is more than preset value, and institute
It states the corresponding selector fork of clutch actuator oil cylinder and is located at middle position.
14. according to the flow compensation device of the described in any item flow variable force solenoid valves of claim 8 to 12, which is characterized in that
The clutch actuator oil pocket is located in double-clutch speed changer corresponding selector fork in the clutch of middle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329889.1A CN108869839B (en) | 2017-05-11 | 2017-05-11 | Flow compensation method and device of flow variable force electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329889.1A CN108869839B (en) | 2017-05-11 | 2017-05-11 | Flow compensation method and device of flow variable force electromagnetic valve |
Publications (2)
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| CN112268696A (en) * | 2020-10-14 | 2021-01-26 | 安徽江淮汽车集团股份有限公司 | Clutch detection method, device, storage medium and device |
| WO2023024510A1 (en) * | 2021-08-23 | 2023-03-02 | 维谛技术有限公司 | Control method and apparatus for opening degree of valve, and non-volatile storage medium and processor |
| CN115854021A (en) * | 2022-12-13 | 2023-03-28 | 中国第一汽车股份有限公司 | Control method and device for hydraulic system solenoid valve, vehicle and storage medium |
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| CN108869839B (en) | 2020-06-05 |
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