CN106678354A - Self-adaptive control method and system for position of shifting fork of automatic gearbox - Google Patents
Self-adaptive control method and system for position of shifting fork of automatic gearbox Download PDFInfo
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- CN106678354A CN106678354A CN201710060739.5A CN201710060739A CN106678354A CN 106678354 A CN106678354 A CN 106678354A CN 201710060739 A CN201710060739 A CN 201710060739A CN 106678354 A CN106678354 A CN 106678354A
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- Prior art keywords
- shift fork
- gear
- gears
- current
- adaptive control
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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
- 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
- F16H61/0202—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 electric
- F16H61/0204—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 electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/068—Control by electric or electronic means, e.g. of fluid pressure using signals from a manually actuated gearshift linkage
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/502—Relating the clutch
- F16D2500/50233—Clutch wear adjustment operation
-
- 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
- F16H2061/0068—Method or means for testing of transmission controls or parts thereof
-
- 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
- F16H2061/0075—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 a particular control method
- F16H2061/0087—Adaptive control, e.g. the control parameters adapted by learning
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a self-adaptive control method and system for the position of a shifting fork of an automatic gearbox. The self-adaptive control method for the position of the shifting fork of the automatic gearbox comprises the steps that whether gear engagement or gear disengagement is conducted at the current moment or not is judged, and if not, the current gear and the current position of the shifting fork are obtained; and self-adaptive shifting fork control is conducted over the gear, wherein self-adaptive shifting fork control comprises the process that the preferable position range of the shifting fork is determined according to the current gear, whether the current position of the shifting fork is in the preferable position range of the shifting fork or not is judged, and if not, the voltage value corresponding to the current position of the shifting fork is collected through a shifting fork position sensor, and the voltage value corresponding to the current position of the shifting fork is used as the initial voltage value corresponding to the current gear. By the adoption of the self-adaptive control method and system for the position of the shifting fork of the automatic gearbox, the problem that because at present, the shifting fork is worn in the use process and a shifting fork position sensor is aged, the position of the shifting fork needs to be dynamically corrected is solved.
Description
Technical field
The present invention relates to clutch control field, more particularly to a kind of automatic gear-box shift fork position self-adaptation control method
And system.
Background technology
Automatic gear-box is to realize the critical component of self shifter.So-called self shifter refers to the process of automobile in traveling
In, driver by manipulating accelerator pedal (gas pedal) the need for traveling process, automatic gear-box can according to engine load and
The operating condition of automobile, changes to different gear work automatically.Wherein it is possible to carry out gear shift operation using shift fork.
But, with the increase of vehicle distance travelled, shift fork position can change.For example, shift fork is in use
Can wear and tear, and shift fork position sensor occur it is aging etc., cause between shift fork position and shift fork position sensor away from
From changing or the information of same shift fork position of shift fork position sensor collection changes.It is accurate in order to guarantee
The actual physical location of reflection shift fork, it is necessary to be dynamically modified to shift fork position during gearbox use.
The content of the invention
The invention provides a kind of automatic gear-box shift fork position self-adaptation control method and system, solve prior art by
Can be worn and torn in use in shift fork, and shift fork position sensor occurs aging etc., results in the need for dynamic to dialling
Vent puts the problem being modified.
The invention provides a kind of automatic gear-box shift fork position self-adaptation control method, including：
Judge whether current time is putting into gear or plucking gear；
If it is not, then obtaining current shift and current shift fork position；
Shift fork Self Adaptive Control is carried out to current shift, the shift fork Self Adaptive Control includes：
Shift fork optimum position scope is determined according to current shift；
Judge current shift fork position whether in the range of the shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as the corresponding initial voltage value of current shift.
Preferably, the automatic gear-box is double clutch automatic speed changing case；
Methods described also includes：
Current shift is carried out after the completion of shift fork Self Adaptive Control, judge current shift for odd number keeps off or even number gear；
If odd number keeps off, then shift fork Self Adaptive Control is carried out until all strange to not adjusted other odd numbers gear successively
Number gear completes shift fork Self Adaptive Control, and then dual numbers gear carries out shift fork Self Adaptive Control until all gears complete shift fork successively
Self Adaptive Control；
If even number keeps off, then shift fork Self Adaptive Control is carried out until all idols to not adjusted other even numbers gear successively
Number gear completes shift fork Self Adaptive Control, then carries out shift fork Self Adaptive Control until all gears complete shift fork to odd number gear successively
Self Adaptive Control.
Preferably, odd number gear includes：1 gear, 3 gears and 5 gears；
Methods described also includes：
After all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 1 gear and 3 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 1 gear and 3 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears；
And/or
After all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 5 gears and N gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 5 gears and N gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 5 gears and N gears.
Preferably, even number gear includes：2 gears, 6 gears, 4 gears and R gears；
Methods described also includes：
After all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 2 gears and 6 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 2 gears and 6 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears；
And/or
After all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between R gears and 4 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default R gears and 4 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
The corresponding initial voltage value and 4 gears between is kept off using the corresponding magnitude of voltage in current shift fork position as R.
Preferably, when gear is 1 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2.
Preferably, when gear is 2 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 6 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 4 gear, 8≤shift fork optimum position scope≤8.5；
When gear keeps off for R, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position scope≤- 8 or -2.8≤shift fork are preferred
Position range≤- 2；
When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2.
Correspondingly, present invention also offers a kind of automatic gear-box shift fork position adaptive control system, including：
The velocity sensor that is connected with gear box control unit respectively, engine load sensor, shift fork position sensor,
And memory；
Velocity sensor is used to gather automobile driving speed, and travel speed is sent into gear box control unit；
Engine load sensor is used to gather throttle opening, and it is single that throttle opening is sent into gearbox control
Unit；
Shift fork position sensor is used to gather the corresponding voltage of current shift and current shift fork position, and by current shift
And the corresponding voltage in current shift fork position is sent to gear box control unit；
Memory is corresponding for storing self shifter curve, the preferred shift fork position range of default each gear and each gear
Initial voltage value；
Gear box control unit is used to judge current according to current driving speed, throttle opening and self shifter curve
Whether the moment is putting into gear or is plucking gear, if it is not, then determining the preferred position of shift fork according to the current shift that shift fork position sensor sends
Scope is put, then judges whether the current shift fork position that shift fork position sensor sends is in the shift fork optimum position scope
It is interior, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent is corresponding as current shift
Initial voltage value.
Preferably, the automatic gear-box is double clutch automatic speed changing case；
The gear box control unit is additionally operable to after the completion of shift fork Self Adaptive Control is carried out to current shift, judges current
Gear is that odd number keeps off or even number gear；If odd number keeps off, then shift fork is controlled to be dialled to not adjusted other odd numbers gear successively
Fork Self Adaptive Control until all odd numbers gear completes shift fork Self Adaptive Control, then successively dual numbers gear to carry out shift fork self-adaptive controlled
System is until all gears complete shift fork Self Adaptive Control；If even number keep off, then control shift fork successively to it is not adjusted other
Even number gear carries out shift fork Self Adaptive Control until the gear completion shift fork Self Adaptive Control of all even numbers, then keeps off one by one to odd number successively
Shift fork Self Adaptive Control is carried out until all gears complete shift fork Self Adaptive Control.
Preferably, the odd number gear includes：1 gear, 3 gears and 5 gears, the even number gear include：2 gears, 6 gears, 4 gears and R gears；
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 1 and is kept off and 3 gears between, then judge whether shift fork is excellent between default 1 gear and 3 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 1 gear and
Corresponding initial voltage value between 3 gears；
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 5 and is kept off and N gears between, then judge whether shift fork is excellent between default 5 gears and N gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 5 gear and
Corresponding initial voltage value between N gears；
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 2 and is kept off and 6 gears between, then judge whether shift fork is excellent between default 2 gears and 6 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 2 gear and
Corresponding initial voltage value between 6 gears；
And/or
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to R and is kept off and 4 gears between, then judge whether shift fork is excellent between default R gears and 4 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as R gear and
Corresponding initial voltage value between 4 gears.
Preferably, when gear is 1 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2；
When gear is 2 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 6 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 4 gear, 8≤shift fork optimum position scope≤8.5；
When gear keeps off for R, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position scope≤- 8 or -2.8≤shift fork are preferred
Position range≤- 2；
When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position scope≤2.8 or the preferred position of -2.8≤shift fork
Put scope≤- 2.
The present invention provides a kind of automatic gear-box shift fork position self-adaptation control method and system, first determines whether current time
Whether putting into gear or plucking gear, if it is not, ensuring that current shift is in stable state, it is ensured that Self Adaptive Control it is accurate
Degree, obtains current shift and current shift fork position, then carries out shift fork Self Adaptive Control to current shift：It is true according to current shift
Determine shift fork optimum position scope, the basis for estimation whether shift fork position needs to be modified thus is determined, next, it is determined that working as
Whether preceding shift fork position is in the range of shift fork optimum position, if it is not, then showing can occur in use due to shift fork
There is the reason such as aging and result in the need for being adjusted the initial position of shift fork in abrasion, and shift fork position sensor, then, lead to
Cross shift fork position sensor and gather the corresponding magnitude of voltage in current shift fork position, using the corresponding magnitude of voltage in current shift fork position as working as
The corresponding initial voltage value of preceding gear, thus realizes shift fork position adaptive correction：The corresponding magnitude of voltage in current shift fork position
Shift fork initial position under the energy current shift fork state of accurate characterization and shift fork position sensor state so that the present invention can have
Effect solves to wear and tear in use due to shift fork, and shift fork position sensor occurs aging etc., results in the need for moving
The problem being modified to shift fork position of state.
Further, the oil-filled self-adaptation control method and system of the wet clutch that the present invention is provided, the automatic change
Fast case is double clutch automatic speed changing case, current shift is carried out after the completion of shift fork Self Adaptive Control, judges that current shift is odd number
Gear or even number gear, because a clutch of double clutch is odd number gear, another is that even number keeps off, in one clutch of completion
After adjustment, then another clutch is adjusted, such setting is easy to reduce duration needed for Self Adaptive Control, and can be lifted
Accuracy.
Further, the oil-filled self-adaptation control method and system of the wet clutch that the present invention is provided, also further adjust
Shift fork initial position between whole each gear, so can further lift the customer experience degree of the operations such as gearshift.
Further, the oil-filled self-adaptation control method and system of the wet clutch that the present invention is provided, gives each
Shift fork optimum position scope between gear and gear, is so easy to gear box control unit to carry out control for brake.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of flow chart according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method；
Fig. 2 is second flow chart according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method；
Fig. 3 is the third flow chart according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method；
Fig. 4 is the 4th kind of flow chart according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method；
Fig. 5 is a kind of structural representation according to embodiment of the present invention automatic gear-box shift fork position adaptive control system
Figure.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar parameter or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not construed as limiting the claims.
A kind of automatic gear-box shift fork position self-adaptation control method and system that the present invention is provided,.
In order to be better understood from technical scheme and technique effect, below with reference to schematic flow sheet to specific
Embodiment is described in detail.
As shown in figure 1, being one kind stream according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method
Cheng Tu, the inventive method is comprised the following steps：
Step S01, judges whether current time is putting into gear or plucking gear.
In the present embodiment, can judge whether current time is putting into gear or plucking gear by gear box control unit, for example, root
Judge currently whether need to be shifted gears according to current vehicle speed, throttle opening and default gearshift curve, if it is not required, then table
Bright current time need not shift gears or pluck gear, if need not put into gear or pluck gear, show that current shift is relatively stablized, the number of collection
According to etc. it is relatively reliable.
Step S02, if it is not, then obtaining current shift and current shift fork position.
In the present embodiment, current shift can be obtained by shift sensor, specifically, by shift fork position sensor
Information gathering is carried out, shift fork position sensor can with the position relationship corresponding voltage signal of generation between shift fork magnet according to it
For characterizing current shift fork position, the voltage signal of collection is passed to gear box control unit by shift fork position sensor, is become
Fast case control unit converts voltage to shift fork displacement according to characteristic curve.
Then, shift fork Self Adaptive Control is carried out to current shift, the shift fork Self Adaptive Control includes：
Step S03, shift fork optimum position scope is determined according to current shift.
In the present embodiment, shift fork optimum position scope can be determined according to default each preferred shift fork position range of gear,
Default each gear preferred shift fork position range can empirically or experimentally be determined, the scope should dispatch from the factory less than clutch
The limiting value of the shift fork position range of each gear for being given, for example, the 30% of limiting value, 50%, 80% etc..
Whether step S04, judge current shift fork position in the range of the shift fork optimum position.
In the present embodiment, if current shift fork position is in the range of shift fork optimum position, at the beginning of showing shift fork position
Initial value meets use demand, if it is not, then showing that shift fork position initial value has not met current shift fork state or shift fork sensor
State is, it is necessary to be adjusted.
Step S05, if it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor.
In the present embodiment, it is current shift fork state that shift fork position sensor gathers the corresponding magnitude of voltage in current shift fork position
With the corresponding magnitude of voltage in shift fork position gathered under current sensor state, the current shift fork state of magnitude of voltage energy accurate characterization and
Shift fork position under current sensor state, can be set to shift fork position initial value by the shift fork position.
Step S06, using the corresponding magnitude of voltage in current shift fork position as the corresponding initial voltage value of current shift.Wherein,
The unit of the corresponding magnitude of voltage in current shift fork position is millivolt.
The automatic gear-box shift fork position self-adaptation control method that the present invention is provided, first determines whether whether current time hangs
Gear is kept off or plucks, if it is not, then current shift and current shift fork position are obtained, it is then preferred from default each gear according to current shift
Shift fork optimum position scope is determined in shift fork position range, the judgement whether shift fork position needs to be modified thus is determined
Foundation, next, it is determined that whether current shift fork position is in the range of shift fork optimum position, if it is not, then showing to exist due to shift fork
Can be worn and torn during use, and there is the initial position that the reason such as aging results in the need for shift fork in shift fork position sensor
It is adjusted, then, the corresponding magnitude of voltage in current shift fork position, the current shift that will be stored is gathered by shift fork position sensor
Corresponding initial voltage value is updated to the corresponding magnitude of voltage in current shift fork position, thus realizes shift fork position adaptive correction：
At the beginning of shift fork under the current current shift fork state of the corresponding magnitude of voltage energy accurate characterization in shift fork position and shift fork position sensor state
Beginning position so that the present invention can effectively solve be worn and torn in use due to shift fork, and shift fork position sensing
There is aging etc., to result in the need for dynamically being modified shift fork position problem in device.
As shown in Fig. 2 being second according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method
Flow chart, in the present embodiment, the automatic gear-box is double clutch automatic speed changing case, and methods described also includes：
Step S27, is carried out after the completion of shift fork Self Adaptive Control to current shift, judges that current shift is kept off or even number for odd number
Gear.
Step S28, if odd number keeps off, then to not adjusted other odd numbers gear, to carry out shift fork Self Adaptive Control straight successively
Shift fork Self Adaptive Control is completed to all odd numbers gear, then dual numbers gear carries out shift fork Self Adaptive Control until all one by one successively
Gear completes shift fork Self Adaptive Control.
Step S29, if even number keeps off, then to not adjusted other even numbers gear, to carry out shift fork Self Adaptive Control straight successively
Shift fork Self Adaptive Control is completed to all even numbers gear, shift fork Self Adaptive Control is then carried out one by one until all to odd number gear successively
Gear completes shift fork Self Adaptive Control.
Dual-clutch transmission (DCT) uses two sets clutches, and work is alternateed by two sets of clutches,
Reach the effect of gapless gearshift.DCT combines the advantage of AT and AMT, and transmission efficiency, simple structure, production cost are relatively low,
The dynamic property and economy of automobile are not only ensure that, and significantly improves the comfortableness of automobilism.
The oil-filled self-adaptation control method of the wet clutch that the present invention is provided, the automatic gear-box is that double clutches are automatic
Gearbox, after the completion of the corresponding initial voltage value of current shift updates, judges current shift for odd number keeps off or even number gear, due to double
One clutch of clutch keeps off for odd number, and another keeps off for even number, after an adjustment for clutch is completed, then to another
Clutch is adjusted, and such setting is easy to reduce duration needed for Self Adaptive Control, and can lift accuracy.
As shown in figure 3, be according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method the third
Flow chart, in the present embodiment, odd number gear includes：1 gear, 3 gears and 5 gears, methods described also include：
Step S311, after all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 1 gear and 3 gears.
Step S312, obtains current shift fork position.
Step S313, judges whether current shift fork position keeps off the shift fork optimum position scope and 3 gears between in default 1
It is interior.
Step S314, if it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor.
Step S315, using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears.
And/or
Step S321, after all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 5 gears and N gears.
Step S322, obtains current shift fork position.
Step S323, judges whether current shift fork position keeps off the shift fork optimum position scope and N gears between in default 5
It is interior.
Step S324, if it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor.
Step S325, using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 5 gears and N gears.
In a specific embodiment, when gear is 1 gear, 8≤shift fork optimum position scope≤8.5；When gear is 3 gears
When, -8.5≤shift fork optimum position scope≤- 8；When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；Work as gear
During between 1 gear and 3 gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position scope≤- 2；Work as gear
When position is between 5 gears and N gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position scope≤- 2.
As shown in figure 4, being the 4th kind according to embodiment of the present invention automatic gear-box shift fork position self-adaptation control method
Flow chart, in the present embodiment, even number gear includes：2 gears, 6 gears, 4 gears and R gears, methods described also include：
Step S411, after all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 2 gears and 6 gears.
Step S412, obtains current shift fork position.
Step S413, judges whether current shift fork position keeps off the shift fork optimum position scope and 6 gears between in default 2
It is interior.
Step S414, if it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor.
Step S415, using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears.
And/or
Step S421, after all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between R gears and 4 gears.
Step S422, obtains current shift fork position.
Step S423, judges whether current shift fork position keeps off the shift fork optimum position scope and 4 gears between in default R
It is interior.
Step S424, if it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor.
Step S425, the corresponding initial voltage value and 4 gears between is kept off using the corresponding magnitude of voltage in current shift fork position as R.
In a specific embodiment, when gear is 2 gear, -8.5≤shift fork optimum position scope≤- 8；When gear is 6
During gear, 8≤shift fork optimum position scope≤8.5；When gear is 4 gear, 8≤shift fork optimum position scope≤8.5；When gear is
When R keeps off, -8.5≤shift fork optimum position scope≤- 8；When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position model
Enclose≤- 8 or -2.8≤shift fork optimum position scope≤- 2；When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position
Scope≤2.8 or -2.8≤shift fork optimum position scope≤- 2.Wherein, the unit of shift fork optimum position scope is millimeter.
Correspondingly, present invention also offers a kind of automatic gear-box shift fork position adaptive control system, as shown in figure 5,
It is a kind of structural representation according to embodiment of the present invention automatic gear-box shift fork position adaptive control system, in the present embodiment
In, the system can include：
The velocity sensor that is connected with gear box control unit respectively, engine load sensor, shift fork position sensor,
And memory.
Velocity sensor is used to gather automobile driving speed, and travel speed is sent into gear box control unit.
Engine load sensor is used to gather throttle opening, and it is single that throttle opening is sent into gearbox control
Unit.
Shift fork position sensor is used to gather the corresponding voltage of current shift and current shift fork position, and by current shift
And the corresponding voltage in current shift fork position is sent to gear box control unit.
Memory is corresponding for storing self shifter curve, the preferred shift fork position range of default each gear and each gear
Initial voltage value.
Gear box control unit is used to judge current according to current driving speed, throttle opening and self shifter curve
Whether the moment is putting into gear or is plucking gear, if it is not, then determining the preferred position of shift fork according to the current shift that shift fork position sensor sends
Scope is put, then judges whether the current shift fork position that shift fork position sensor sends is in the shift fork optimum position scope
It is interior, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent is corresponding as current shift
Initial voltage value.
When the automatic gear-box is double clutch automatic speed changing case, the gear box control unit is additionally operable to current
Gear is carried out after the completion of shift fork Self Adaptive Control, judges current shift for odd number keeps off or even number gear；If odd number keeps off, then control
Shift fork carries out shift fork Self Adaptive Control until all odd numbers gear completes shift fork self adaptation to not adjusted other odd numbers gear successively
Control, then dual numbers gear carries out shift fork Self Adaptive Control until all gears complete shift fork Self Adaptive Control successively；If
Even number keeps off, then control shift fork to carry out shift fork Self Adaptive Control to not adjusted other even numbers gear until all even numbers have kept off successively
Into shift fork Self Adaptive Control, shift fork Self Adaptive Control is then carried out one by one until all gears complete shift fork certainly to odd number gear successively
Suitable solution.
In the present embodiment, the odd number gear includes：1 gear, 3 gears and 5 gears, the even number gear include：2 keep off, 6 keep off, 4 keep off,
Kept off with R.
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 1 and is kept off and 3 gears between, then judge whether shift fork is excellent between default 1 gear and 3 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 1 gear and
Corresponding initial voltage value between 3 gears.
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 5 and is kept off and N gears between, then judge whether shift fork is excellent between default 5 gears and N gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 5 gear and
Corresponding initial voltage value between N gears.
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to 2 and is kept off and 6 gears between, then judge whether shift fork is excellent between default 2 gears and 6 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as 2 gear and
Corresponding initial voltage value between 6 gears.And/or
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, shift fork is controlled
Gear is adjusted to R and is kept off and 4 gears between, then judge whether shift fork is excellent between default R gears and 4 gears for current shift fork position
In the range of bit selecting is put, if it is not, then using shift fork position sensor send the corresponding magnitude of voltage in current shift fork position as R gear and
Corresponding initial voltage value between 4 gears.
Preferably, when gear is 1 gear, 8≤shift fork optimum position scope≤8.5；When gear is 3 gear, -8.5≤dial
Fork optimum position scope≤- 8；When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；When gear is 1 gear and 3 gears
Between when, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position scope≤- 2；When gear is 5 gears and N
When between gear, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position scope≤- 2；When gear is 2 gears
When, -8.5≤shift fork optimum position scope≤- 8；When gear is 6 gear, 8≤shift fork optimum position scope≤8.5；When gear is
During 4 gear, 8≤shift fork optimum position scope≤8.5；When gear keeps off for R, -8.5≤shift fork optimum position scope≤- 8；Work as gear
When position is between 2 gears and 6 gears, -8.5≤shift fork optimum position scope≤- 8 or -2.8≤shift fork optimum position scope≤- 2；
When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position scope≤-
2.Wherein, the unit of shift fork optimum position scope is millimeter.
Automatic gear-box shift fork position adaptive control system provided in an embodiment of the present invention can be solved effectively due to shift fork
Can wear and tear in use, and shift fork position sensor occurs aging etc., results in the need for dynamic to shift fork position
The problem being modified.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point mutually referring to.For especially for system embodiment, because it is substantially similar to embodiment of the method, so describing
Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.System embodiment described above is only to show
Meaning property, wherein it is described as separating component illustrate unit can be or may not be it is physically separate, as list
The part of unit's display can be or may not be physical location, you can with positioned at a place, or can also be distributed to
On multiple artificial windows.Some or all of module therein can be according to the actual needs selected to realize this embodiment scheme
Purpose.Those of ordinary skill in the art are without creative efforts, you can to understand and implement.
The embodiment of the present invention is described in detail above, specific embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help and understands the method for the present invention and system；Simultaneously for the one of this area
As technical staff, according to thought of the invention, will change in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of automatic gear-box shift fork position self-adaptation control method, it is characterised in that including：
Judge whether current time is putting into gear or plucking gear；
If it is not, then obtaining current shift and current shift fork position；
Shift fork Self Adaptive Control is carried out to current shift, the shift fork Self Adaptive Control includes：
Shift fork optimum position scope is determined according to current shift；
Judge current shift fork position whether in the range of the shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as the corresponding initial voltage value of current shift.
2. method according to claim 1, it is characterised in that the automatic gear-box is double clutch automatic speed changing case；
Methods described also includes：
Current shift is carried out after the completion of shift fork Self Adaptive Control, judge current shift for odd number keeps off or even number gear；
If odd number keeps off, then shift fork Self Adaptive Control is carried out until all odd numbers keep off to not adjusted other odd numbers gear successively
Shift fork Self Adaptive Control is completed, then dual numbers gear carries out shift fork Self Adaptive Control until all gears completion shift fork is adaptive successively
Should control；
If even number keeps off, then shift fork Self Adaptive Control is carried out until all even numbers keep off to not adjusted other even numbers gear successively
Shift fork Self Adaptive Control is completed, shift fork Self Adaptive Control then is carried out until all gears completion shift fork is adaptive to odd number gear successively
Should control.
3. method according to claim 2, it is characterised in that odd number gear includes：1 gear, 3 gears and 5 gears；
Methods described also includes：
After all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 1 gear and 3 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 1 gear and 3 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears；
And/or
After all odd numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 5 gears and N gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 5 gears and N gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 5 gears and N gears.
4. method according to claim 2, it is characterised in that even number gear includes：2 gears, 6 gears, 4 gears and R gears；
Methods described also includes：
After all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between 2 gears and 6 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default 2 gears and 6 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
Using the corresponding magnitude of voltage in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears；
And/or
After all even numbers gear completes shift fork Self Adaptive Control, gear is adjusted between R gears and 4 gears；
Obtain current shift fork position；
Judge whether current shift fork position is between default R gears and 4 gears in the range of shift fork optimum position；
If it is not, then gathering the corresponding magnitude of voltage in current shift fork position by shift fork position sensor；
The corresponding initial voltage value and 4 gears between is kept off using the corresponding magnitude of voltage in current shift fork position as R.
5. method according to claim 3, it is characterised in that
When gear is 1 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2.
6. method according to claim 4, it is characterised in that
When gear is 2 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 6 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 4 gear, 8≤shift fork optimum position scope≤8.5；
When gear keeps off for R, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position scope≤- 8 or -2.8≤shift fork optimum position
Scope≤- 2；
When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2.
7. a kind of automatic gear-box shift fork position adaptive control system, it is characterised in that including：
The velocity sensor that is connected with gear box control unit respectively, engine load sensor, shift fork position sensor and deposit
Reservoir；
Velocity sensor is used to gather automobile driving speed, and travel speed is sent into gear box control unit；
Engine load sensor is used to gather throttle opening, and throttle opening is sent into gear box control unit；
Shift fork position sensor is used to gather the corresponding voltage of current shift and current shift fork position, and by current shift and
The corresponding voltage in current shift fork position is sent to gear box control unit；
Memory is corresponding initial for storing self shifter curve, the preferred shift fork position range of default each gear and each gear
Magnitude of voltage；
Gear box control unit is used to judge current time according to current driving speed, throttle opening and self shifter curve
Whether putting into gear or plucking gear, if it is not, then determining shift fork optimum position model according to the current shift that shift fork position sensor sends
Enclose, then judge whether the current shift fork position that shift fork position sensor sends is in the range of the shift fork optimum position, such as
It is really no, then using the corresponding magnitude of voltage in current shift fork position of shift fork position sensor transmission as the corresponding initial electricity of current shift
Pressure value.
8. system according to claim 7, it is characterised in that the automatic gear-box is double clutch automatic speed changing case；
The gear box control unit is additionally operable to after the completion of shift fork Self Adaptive Control is carried out to current shift, judges current shift
It is odd number gear or even number gear；If odd number keeps off, then shift fork is controlled to carry out shift fork certainly to not adjusted other odd numbers gear successively
Suitable solution until all odd numbers gear completes shift fork Self Adaptive Control, then successively dual numbers gear to carry out shift fork Self Adaptive Control straight
Shift fork Self Adaptive Control is completed to all gears；If even number keeps off, then shift fork is controlled successively to not adjusted other even numbers
Gear carries out shift fork Self Adaptive Control until the gear completion shift fork Self Adaptive Control of all even numbers, is then carried out one by one to odd number gear successively
Shift fork Self Adaptive Control is until all gears complete shift fork Self Adaptive Control.
9. system according to claim 8, it is characterised in that the odd number gear includes：1 gear, 3 gears and 5 gears, the even number
Gear includes：2 gears, 6 gears, 4 gears and R gears；
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, control shift fork will keep off
Position is adjusted between 1 gear and 3 gears, then judges whether current shift fork position is in the preferred position of shift fork between default 1 gear and 3 gears
In the range of putting, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent keeps off as 1 gear and 3
Between corresponding initial voltage value；
After the gear box control unit when all odd numbers gear specifically for completing shift fork Self Adaptive Control, control shift fork will keep off
Position is adjusted between 5 gears and N gears, then judges whether current shift fork position is in the preferred position of shift fork between default 5 gears and N gears
In the range of putting, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent keeps off as 5 gears and N
Between corresponding initial voltage value；
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, control shift fork will keep off
Position is adjusted between 2 gears and 6 gears, then judges whether current shift fork position is in the preferred position of shift fork between default 2 gears and 6 gears
In the range of putting, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent keeps off as 2 gears and 6
Between corresponding initial voltage value；
And/or
After the gear box control unit when all even numbers gear specifically for completing shift fork Self Adaptive Control, control shift fork will keep off
Position is adjusted between R gears and 4 gears, then judges whether current shift fork position is in the preferred position of shift fork between default R gears and 4 gears
In the range of putting, if it is not, then the corresponding magnitude of voltage in current shift fork position that shift fork position sensor is sent keeps off as R gears and 4
Between corresponding initial voltage value.
10. system according to claim 9, it is characterised in that
When gear is 1 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2；
When gear is 2 gear, -8.5≤shift fork optimum position scope≤- 8；
When gear is 6 gear, 8≤shift fork optimum position scope≤8.5；
When gear is 4 gear, 8≤shift fork optimum position scope≤8.5；
When gear keeps off for R, -8.5≤shift fork optimum position scope≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position scope≤- 8 or -2.8≤shift fork optimum position
Scope≤- 2；
When gear is that R is kept off and 4 gears between, 2≤shift fork optimum position scope≤2.8 or -2.8≤shift fork optimum position model
Enclose≤- 2.
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