CN106678354B - A kind of automatic gear-box shift fork position self-adaptation control method and system - Google Patents
A kind of automatic gear-box shift fork position self-adaptation control method and system Download PDFInfo
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- CN106678354B CN106678354B CN201710060739.5A CN201710060739A CN106678354B CN 106678354 B CN106678354 B CN 106678354B CN 201710060739 A CN201710060739 A CN 201710060739A CN 106678354 B CN106678354 B CN 106678354B
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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 kind of automatic gear-box shift fork position self-adaptation control methods and system, this method to include：Judge gear is being put into gear or plucked to current time whether；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 range is determined according to current shift；Judge current shift fork position whether within the scope of the shift fork optimum position；If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；Using the corresponding voltage value in current shift fork position as the corresponding initial voltage value of current shift.The present invention, which can effectively solve the problem of shift fork in use, to wear and shift fork position sensor occurs aging etc. and results in the need for dynamically being modified shift fork position.
Description
Technical field
The present invention relates to clutch control fields, 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 needs to manipulate accelerator pedal (gas pedal) by driving 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 mileage travelled, shift fork position can change.For example, shift fork is in use
Can wear and aging etc. occurs for shift fork position sensor, 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 acquisition changes.It is accurate in order to guarantee
The reflection actual physical location of shift fork needs dynamically to be modified shift fork position during gearbox use.
Invention content
The present invention provides a kind of automatic gear-box shift fork position self-adaptation control method and system, solve the prior art by
It can be worn in use in shift fork and aging etc. occurs for shift fork position sensor, resulted in the need for dynamically to dialling
Vent sets the problem of being modified.
The present invention provides a kind of automatic gear-box shift fork position self-adaptation control methods, including：
Judge gear is being put into gear or plucked to current time whether；
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 range is determined according to current shift；
Judge current shift fork position whether within the scope of the shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value 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；
The method further includes：
After the completion of carrying out shift fork self adaptive control to current shift, judge current shift for odd number gear or even number gear；
It is kept off if it is odd number, then shift fork self adaptive control is carried out until all strange to not adjusted other odd number gears 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；
It is kept off if it is even number, then shift fork self adaptive control is carried out until all idols to not adjusted other even number gears successively
Number gear completes shift fork self adaptive control, then keeps off carrying out shift fork self adaptive control until all gears complete shift fork to odd number successively
Self adaptive control.
Preferably, odd number gear includes：1 gear, 3 gears and 5 gears；
The method further includes：
After all odd numbers, which are kept off, 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 keeps off between 3 gears in preset 1 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears；
And/or
After all odd numbers, which are kept off, 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 keeps off between N gears in preset 5 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value 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；
The method further includes：
After all even numbers, which are kept off, 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 keeps off between 6 gears in preset 2 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears；
And/or
After all even numbers, which are kept off, 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 keeps off between 4 gears in preset R within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
The corresponding initial voltage value between 4 gears is kept off using the corresponding voltage value in current shift fork position as R.
Preferably, when gear is 1 gear, 8≤shift fork optimum position range≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 2.
Preferably, when gear is 2 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is 6 gear, 8≤shift fork optimum position range≤8.5；
When gear is 4 gear, 8≤shift fork optimum position range≤8.5；
When gear is that R is kept off, -8.5≤shift fork optimum position range≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position range≤- 8 or -2.8≤shift fork are preferred
Position range≤- 2；
When gear is that R is kept off between 4 gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 2.
Correspondingly, the present invention also provides a kind of automatic gear-box shift fork position adaptive control systems, including：
The velocity sensor that is connected respectively with gear box control unit, engine load sensor, shift fork position sensor,
And memory；
Travel speed is sent to gear box control unit by velocity sensor for acquiring automobile driving speed；
Engine load sensor is sent to gearbox control list for acquiring throttle opening, and by throttle opening
Member；
Shift fork position sensor is for acquiring 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 preset each gear and each gear
Initial voltage value；
Gear box control unit is used to be judged according to current driving speed, throttle opening and self shifter curve current
Gear is being put into gear or plucked to the moment whether, if it is not, then determining the preferred position of shift fork according to the current shift that shift fork position sensor is sent
Range is set, then judges whether the current shift fork position that shift fork position sensor is sent is in the shift fork optimum position range
It is interior, if it is not, then the corresponding voltage value 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 carrying out shift fork self adaptive control to current shift, is judged current
Gear is that odd number is kept off or even number is kept off；It is kept off if it is odd number, then controls shift fork and not adjusted other odd number gears are dialled successively
Fork self adaptive control is until all odd numbers gear completes shift fork self adaptive control, and then dual numbers gear progress shift fork is self-adaptive controlled successively
System is until all gears complete shift fork self adaptive control；It is kept off if it is even number, then controls shift fork successively to not adjusted other
Even number, which is kept off, carries out shift fork self adaptive control until the gear completion shift fork self adaptive control of all even numbers, then successively keeps off one by one odd number
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；
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 1 and is kept off between 3 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 1 gear and 3 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 1 gear and
Corresponding initial voltage value between 3 gears；
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 5 and is kept off between N gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 5 gear and N gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 5 gear and
Corresponding initial voltage value between N gears；
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 2 and is kept off between 6 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 2 gear and 6 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 2 gear and
Corresponding initial voltage value between 6 gears；
And/or
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to R and is kept off between 4 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset R gears and 4 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as R gear and
Corresponding initial voltage value between 4 gears.
Preferably, when gear is 1 gear, 8≤shift fork optimum position range≤8.5；
When gear is 3 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is 5 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is between 1 gear and 3 gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 2；
When gear is between 5 gears and N gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 2；
When gear is 2 gear, -8.5≤shift fork optimum position range≤- 8；
When gear is 6 gear, 8≤shift fork optimum position range≤8.5；
When gear is 4 gear, 8≤shift fork optimum position range≤8.5；
When gear is that R is kept off, -8.5≤shift fork optimum position range≤- 8；
When gear is between 2 gears and 6 gears, -8.5≤shift fork optimum position range≤- 8 or -2.8≤shift fork are preferred
Position range≤- 2；
When gear is that R is kept off between 4 gears, 2≤shift fork optimum position range≤2.8 or the preferred position of -2.8≤shift fork
Set range≤- 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 gear is being put into gear or plucked, if it is not, ensuring that current shift is in stable state, is ensureing the accurate of self adaptive control
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 range, be thus determined whether shift fork position needs the basis for estimation being modified, next, it is determined that working as
Whether preceding shift fork position is within the scope of shift fork optimum position, if it is not, then showing in use to occur due to shift fork
Abrasion and shift fork position sensor occur the reasons such as aging and result in the need for being adjusted the initial position of shift fork, then, lead to
It crosses shift fork position sensor and acquires the corresponding voltage value in current shift fork position, using the corresponding voltage value 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 voltage value in current shift fork position
Shift fork initial position under the current shift fork state of energy accurate characterization and shift fork position sensor state so that the present invention can have
Effect solves to wear in use due to shift fork and aging etc. occurs for shift fork position sensor, results in the need for moving
The problem of being modified to shift fork position of state.
Further, the oil-filled self-adaptation control method and system of wet clutch provided by the invention, the automatic change
Fast case is that double clutch automatic speed changing case judges current shift for odd number after the completion of carrying out shift fork self adaptive control to current shift
Gear or even number gear, since a clutch of double clutch keeps off for odd number, another keeps off for even number, in one clutch of completion
After adjustment, then another clutch is adjusted, such setting can be promoted convenient for reducing duration needed for self adaptive control
Accuracy.
Further, the oil-filled self-adaptation control method and system of wet clutch provided by the invention is also further adjusted
Shift fork initial position between whole each gear can further promote the customer experience degree of the operations such as shift in this way.
Further, the oil-filled self-adaptation control method and system of wet clutch provided by the invention gives each
Shift fork optimum position range between gear and gear is convenient for gear box control unit to carry out control for brake in this way.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of flow chart according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method；
Fig. 2 is second of flow chart according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method；
Fig. 3 is the third flow chart according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method；
Fig. 4 is the 4th kind of flow chart according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method；
Fig. 5 is a kind of structural representation according to automatic gear-box shift fork of embodiment of the present invention position adaptive control system
Figure.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar parameter or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and 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 provided by the invention and system,.
Technical solution in order to better understand the present invention and technique effect, below with reference to flow diagram to specific
Embodiment is described in detail.
As shown in Figure 1, for according to a kind of stream of automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method
Cheng Tu, the method for the present invention include the following steps：
Step S01, judges gear is being put into gear or plucked to current time whether.
In the present embodiment, it can judge gear is being put into gear or plucked to current time whether by gear box control unit, for example, root
Currently whether shift gears according to the judgement of current vehicle speed, throttle opening and preset shift curve, if it is not required, then table
Gear need not be shifted gears or be plucked to bright current time, if you do not need to putting into gear or plucking gear, then show that current shift is relatively stablized, the number of acquisition
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 and specifically passes through shift fork position sensor
Information collection is carried out, shift fork position sensor can according to the corresponding voltage signal of its position relationship generation between shift fork magnet
To be used for characterizing current shift fork position, the voltage signal of acquisition 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 determines shift fork optimum position range according to current shift.
In the present embodiment, shift fork optimum position range can be determined according to preset each preferred shift fork position range of gear,
The preferred shift fork position range of preset each gear can empirically or experimentally be determined, which should be less than clutch and dispatch from the factory
The limiting value of the shift fork position range of each gear provided, for example, the 30% of limiting value, 50%, 80% etc..
Whether step S04 judges current shift fork position within the scope of the shift fork optimum position.
In the present embodiment, if current shift fork position is within the scope 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 needs to be adjusted.
Step S05, if it is not, then acquiring the corresponding voltage value 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, which acquires the corresponding voltage value in current shift fork position,
Voltage value corresponding with the shift fork position acquired under current sensor state, the current shift fork state of voltage value energy accurate characterization and
Shift fork position under current sensor state can set the shift fork position to shift fork position initial value.
Step S06, using the corresponding voltage value in current shift fork position as the corresponding initial voltage value of current shift.Wherein,
The unit of the corresponding voltage value in current shift fork position is millivolt.
Automatic gear-box shift fork provided by the invention position self-adaptation control method, first determines 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 preset each gear according to current shift
Shift fork optimum position range is determined in shift fork position range, is thus determined whether shift fork position needs the judgement being modified
Foundation, next, it is determined that whether current shift fork position is within the scope of shift fork optimum position, if it is not, then showing to exist due to shift fork
Use can be worn in the process and the reasons such as shift fork position sensor generation aging result in the need for the initial position to shift fork
It is adjusted, then, the corresponding voltage value in current shift fork position is acquired by shift fork position sensor, by the current shift of storage
Corresponding initial voltage value is updated to the corresponding voltage value in current shift fork position, thus realizes shift fork position adaptive correction：
At the beginning of shift fork under the current shift fork state of the corresponding voltage value energy accurate characterization in current shift fork position and shift fork position sensor state
Beginning position so that the present invention can effectively solve to wear in use due to shift fork and shift fork position sensing
Aging etc. occurs for device, the problem of resulting in the need for dynamically being modified shift fork position.
As shown in Fig. 2, being second according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method
Flow chart, in the present embodiment, the automatic gear-box are double clutch automatic speed changing case, and the method further includes：
Step S27 after the completion of carrying out shift fork self adaptive control to current shift, judges current shift for odd number gear or even number
Gear.
Step S28 is kept off if it is odd number, then it is straight to carry out shift fork self adaptive control to not adjusted other odd number gears 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 is kept off if it is even number, then it is straight to carry out shift fork self adaptive control to not adjusted other even number gears successively
Shift fork self adaptive control is completed to all even numbers gear, shift fork self adaptive control then is carried out one by one to odd number gear until all 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 shift.DCT combines the advantages of AT and AMT, and transmission efficiency, simple in structure, production cost is relatively low,
It not only ensure that the dynamic property and economy of automobile, but also significantly improve the comfort of automobilism.
The oil-filled self-adaptation control method of wet clutch provided by the invention, the automatic gear-box are that double clutches are automatic
Gearbox after the completion of the corresponding initial voltage value update of current shift, judges current shift for odd number gear or even number gear, due to double
One clutch of clutch keeps off for odd number, another keeps off for even number, after the adjustment for completing a clutch, then to another
Clutch is adjusted, and such setting can promote accuracy convenient for reducing duration needed for self adaptive control.
As shown in figure 3, for according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method the third
Flow chart, in the present embodiment, odd number gear includes：1 gear, 3 gears and 5 gears, the method further include：
Step S311 adjusts gear between 1 gear and 3 gears after all odd numbers, which are kept off, completes shift fork self adaptive control.
Step S312 obtains current shift fork position.
Step S313, judges whether current shift fork position is in shift fork optimum position range between preset 1 gear and 3 gears
It is interior.
Step S314, if it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor.
Step S315, using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears.
And/or
Step S321 adjusts gear between 5 gears and N gears after all odd numbers, which are kept off, completes shift fork self adaptive control.
Step S322 obtains current shift fork position.
Step S323, judges whether current shift fork position is in shift fork optimum position range between preset 5 gear and N gears
It is interior.
Step S324, if it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor.
Step S325, using the corresponding voltage value 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 range≤8.5；When gear is 3 gears
When, -8.5≤shift fork optimum position range≤- 8；When gear is 5 gear, -8.5≤shift fork optimum position range≤- 8；Work as gear
When between 1 gear and 3 gears, 2≤shift fork optimum position range≤2.8 or -2.8≤shift fork optimum position range≤- 2；Work as gear
When position is between 5 gears and N gears, 2≤shift fork optimum position range≤2.8 or -2.8≤shift fork optimum position range≤- 2.
As shown in figure 4, being the 4th kind according to automatic gear-box shift fork of embodiment of the present invention position self-adaptation control method
Flow chart, in the present embodiment, even number gear includes：2 gears, 6 gears, 4 gears and R gears, the method further include：
Step S411 adjusts gear between 2 gears and 6 gears after all even numbers, which are kept off, completes shift fork self adaptive control.
Step S412 obtains current shift fork position.
Step S413, judges whether current shift fork position is in shift fork optimum position range between preset 2 gear and 6 gears
It is interior.
Step S414, if it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor.
Step S415, using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears.
And/or
Step S421 adjusts gear between R gears and 4 gears after all even numbers, which are kept off, completes shift fork self adaptive control.
Step S422 obtains current shift fork position.
Step S423, judges whether current shift fork position is in shift fork optimum position range between preset R gears and 4 gears
It is interior.
Step S424, if it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor.
The corresponding voltage value in current shift fork position is kept off the corresponding initial voltage value between 4 gears by step S425.
In a specific embodiment, when gear is 2 gear, -8.5≤shift fork optimum position range≤- 8；When gear is 6
When gear, 8≤shift fork optimum position range≤8.5；When gear is 4 gear, 8≤shift fork optimum position range≤8.5；When gear is
When R is kept off, -8.5≤shift fork optimum position range≤- 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 range≤- 2；When gear is that R is kept off between 4 gears, 2≤shift fork optimum position
Range≤2.8 or -2.8≤shift fork optimum position range≤- 2.Wherein, the unit of shift fork optimum position range is millimeter.
Correspondingly, the present invention also provides a kind of automatic gear-box shift fork position adaptive control systems, as shown in figure 5,
For according to a kind of structural schematic diagram of automatic gear-box shift fork of embodiment of the present invention position adaptive control system, in the present embodiment
In, which may include：
The velocity sensor that is connected respectively with gear box control unit, engine load sensor, shift fork position sensor,
And memory.
Travel speed is sent to gear box control unit by velocity sensor for acquiring automobile driving speed.
Engine load sensor is sent to gearbox control list for acquiring throttle opening, and by throttle opening
Member.
Shift fork position sensor is for acquiring 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 preset each gear and each gear
Initial voltage value.
Gear box control unit is used to be judged according to current driving speed, throttle opening and self shifter curve current
Gear is being put into gear or plucked to the moment whether, if it is not, then determining the preferred position of shift fork according to the current shift that shift fork position sensor is sent
Range is set, then judges whether the current shift fork position that shift fork position sensor is sent is in the shift fork optimum position range
It is interior, if it is not, then the corresponding voltage value 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
After the completion of gear carries out shift fork self adaptive control, judge current shift for odd number gear or even number gear；It keeps off, then controls if it is odd number
Shift fork carries out shift fork self adaptive control until all odd numbers gear completion shift fork is adaptive to not adjusted other odd number gears successively
Control, then dual numbers gear carries out shift fork self adaptive control until all gears complete shift fork self adaptive control successively；If it is
Even number is kept off, then controls shift fork and carry out shift fork self adaptive control until all even numbers have been kept off to not adjusted other even number gears successively
At shift fork self adaptive control, shift fork self adaptive control then is carried out one by one to odd number gear successively until all gears complete shift fork certainly
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,
It is kept off with R.
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 1 and is kept off between 3 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 1 gear and 3 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 1 gear and
Corresponding initial voltage value between 3 gears.
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 5 and is kept off between N gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 5 gear and N gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 5 gear and
Corresponding initial voltage value between N gears.
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to 2 and is kept off between 6 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset 2 gear and 6 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as 2 gear and
Corresponding initial voltage value between 6 gears.And/or
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, controlling shift fork
Gear is adjusted to R and is kept off between 4 gears, it is excellent then to judge whether current shift fork position is in shift fork between preset R gears and 4 gears
Select in position range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent as R gear and
Corresponding initial voltage value between 4 gears.
Preferably, when gear is 1 gear, 8≤shift fork optimum position range≤8.5；When gear is 3 gear, -8.5≤dial
Pitch optimum position range≤- 8；When gear is 5 gear, -8.5≤shift fork optimum position range≤- 8；When gear is 1 gear and 3 gears
Between when, 2≤shift fork optimum position range≤2.8 or -2.8≤shift fork optimum position range≤- 2；When gear is 5 gears and N
When between gear, 2≤shift fork optimum position range≤2.8 or -2.8≤shift fork optimum position range≤- 2；When gear is 2 gears
When, -8.5≤shift fork optimum position range≤- 8；When gear is 6 gear, 8≤shift fork optimum position range≤8.5；When gear is
When 4 gear, 8≤shift fork optimum position range≤8.5；When gear is that R is kept off, -8.5≤shift fork optimum position range≤- 8；Work as gear
When position is between 2 gears and 6 gears, -8.5≤shift fork optimum position range≤- 8 or -2.8≤shift fork optimum position range≤- 2；
When gear is that R is kept off between 4 gears, 2≤shift fork optimum position range≤2.8 or -2.8≤shift fork optimum position range≤-
2.Wherein, the unit of shift fork optimum position range is millimeter.
Automatic gear-box shift fork provided in an embodiment of the present invention position adaptive control system can effectively be solved due to shift fork
It can wear in use and aging etc. occurs for shift fork position sensor, result in the need for dynamically to shift fork position
The problem of being modified.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other.For system embodiment, since it is substantially similar to the method embodiment, 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 the unit illustrated as separating component may or may not be physically separated, as list
The component of member display may or may not be physical unit, you can be located at a place, or may be distributed over
On multiple artificial windows.Some or all of module therein can be selected according to the actual needs 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 implementation mode used herein carries out the present invention
It illustrates, the explanation of above example is only intended to help to understand the method and system of the present invention；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the content of the present specification should not be construed as limiting the invention.
Claims (8)
1. a kind of automatic gear-box shift fork position self-adaptation control method, which is characterized in that including：
Judge gear is being put into gear or plucked to current time whether；
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 range is determined according to current shift；
Judge current shift fork position whether within the scope of the shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as the corresponding initial voltage value of current shift；
The automatic gear-box is double clutch automatic speed changing case；
The method further includes：
After the completion of carrying out shift fork self adaptive control to current shift, judge current shift for odd number gear or even number gear；
It is kept off if it is odd number, then shift fork self adaptive control is carried out until all odd numbers are kept off to not adjusted other odd number gears 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
It should control；
It is kept off if it is even number, then shift fork self adaptive control is carried out until all even numbers are kept off to not adjusted other even number gears successively
Shift fork self adaptive control is completed, then odd number is kept off successively and carries out shift fork self adaptive control until all gears completion shift fork is adaptive
It should control.
2. according to the method described in claim 1, it is characterized in that, odd number gear includes：1 gear, 3 gears and 5 gears；
The method further includes：
After all odd numbers, which are kept off, 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 keeps off between 3 gears in preset 1 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 1 gear and 3 gears；
And/or
After all odd numbers, which are kept off, 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 keeps off between N gears in preset 5 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 5 gears and N gears.
3. according to the method described in claim 1, it is characterized in that, even number gear includes：2 gears, 6 gears, 4 gears and R gears；
The method further includes：
After all even numbers, which are kept off, 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 keeps off between 6 gears in preset 2 within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
Using the corresponding voltage value in current shift fork position as corresponding initial voltage value between 2 gears and 6 gears；
And/or
After all even numbers, which are kept off, 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 keeps off between 4 gears in preset R within the scope of shift fork optimum position；
If it is not, then acquiring the corresponding voltage value in current shift fork position by shift fork position sensor；
The corresponding initial voltage value between 4 gears is kept off using the corresponding voltage value in current shift fork position as R.
4. according to the method described in claim 2, it is characterized in that,
When gear is 1 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is 3 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is 5 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is between 1 gear and 3 gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm；
When gear is between 5 gears and N gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm.
5. according to the method described in claim 3, it is characterized in that,
When gear is 2 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is 6 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is 4 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is that R is kept off, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is between 2 gears and 6 gears, -8.5mm≤shift fork optimum position range≤- 8mm or -2.8mm≤shift fork are excellent
Select position range≤- 2mm；
When gear is that R is kept off between 4 gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm.
6. a kind of automatic gear-box shift fork position adaptive control system, which is characterized in that including：
It the velocity sensor that is connected respectively with gear box control unit, engine load sensor, shift fork position sensor and deposits
Reservoir；
Travel speed is sent to gear box control unit by velocity sensor for acquiring automobile driving speed；
Throttle opening is sent to gear box control unit by engine load sensor for acquiring throttle opening；
Shift fork position sensor for acquiring 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 preset each gear and each gear
Voltage value；
Gear box control unit is used to judge current time according to current driving speed, throttle opening and self shifter curve
Whether gear is being put into gear or is plucking, if it is not, then determining shift fork optimum position model according to the current shift that shift fork position sensor is sent
It encloses, then judges whether the current shift fork position that shift fork position sensor is sent is within the scope of the shift fork optimum position, such as
Fruit is no, then the corresponding voltage value in current shift fork position sent shift fork position sensor is as the corresponding initial electricity of current shift
Pressure value；
The automatic gear-box is double clutch automatic speed changing case；
The gear box control unit is additionally operable to after the completion of carrying out shift fork self adaptive control to current shift, judge current shift
For odd number gear or even number gear；It is kept off if it is odd number, then controls shift fork and shift fork is carried out certainly to not adjusted other odd number gears successively
Suitable solution is until all odd numbers gear completes shift fork self adaptive control, and then dual numbers gear progress shift fork self adaptive control is straight successively
Shift fork self adaptive control is completed to all gears；It is kept off if it is even number, then controls shift fork 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, then successively carries out odd number gear one by one
Shift fork self adaptive control is until all gears complete shift fork self adaptive control.
7. system according to claim 6, which is characterized in that the odd number, which is kept off, includes：1 gear, 3 gears and 5 gears, the even number
Gear includes：2 gears, 6 gears, 4 gears and R gears；
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, and control shift fork will be kept off
Position adjusts to 1 and keeps off between 3 gears, then judges whether current shift fork position is in the preferred position of shift fork between preset 1 gear and 3 gears
It sets in range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent is as 1 gear and 3 gears
Between corresponding initial voltage value；
The gear box control unit is specifically used for after all odd numbers keep off completion shift fork self adaptive control, and control shift fork will be kept off
Position adjusts to 5 and keeps off between N gears, then judges whether current shift fork position is in the preferred position of shift fork between preset 5 gear and N gears
It sets in range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent is as 5 gears and N gears
Between corresponding initial voltage value；
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, and control shift fork will be kept off
Position adjusts to 2 and keeps off between 6 gears, then judges whether current shift fork position is in the preferred position of shift fork between preset 2 gear and 6 gears
It sets in range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent is as 2 gears and 6 gears
Between corresponding initial voltage value；
And/or
The gear box control unit is specifically used for after all even numbers keep off completion shift fork self adaptive control, and control shift fork will be kept 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 preset R gears and 4 gears
It sets in range, if it is not, then the corresponding voltage value in current shift fork position that shift fork position sensor is sent is as R gears and 4 gears
Between corresponding initial voltage value.
8. system according to claim 7, which is characterized in that
When gear is 1 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is 3 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is 5 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is between 1 gear and 3 gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm；
When gear is between 5 gears and N gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm；
When gear is 2 gear, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is 6 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is 4 gear, 8mm≤shift fork optimum position range≤8.5mm；
When gear is that R is kept off, -8.5mm≤shift fork optimum position range≤- 8mm；
When gear is between 2 gears and 6 gears, -8.5mm≤shift fork optimum position range≤- 8mm or -2.8mm≤shift fork are excellent
Select position range≤- 2mm；
When gear is that R is kept off between 4 gears, 2mm≤shift fork optimum position range≤2.8mm or -2.8mm≤shift fork are preferred
Position range≤- 2mm.
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Families Citing this family (6)
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| CN107178610B (en) * | 2017-06-14 | 2019-11-22 | 北京新能源汽车股份有限公司 | Gear method for handover control, device and automatic gear-box control unit |
| CN111412278B (en) * | 2019-01-08 | 2021-06-11 | 上海汽车变速器有限公司 | Optimized gear-reversing control method for double-clutch transmission |
| CN110939731B (en) * | 2019-12-30 | 2021-03-16 | 潍柴动力股份有限公司 | Method and device for adjusting gear engaging distance |
| CN113932007B (en) * | 2020-07-13 | 2023-03-03 | 广州汽车集团股份有限公司 | Gear shifting fork in-gear position self-learning method and system and automobile |
| CN112923051B (en) * | 2021-01-19 | 2022-09-02 | 海马汽车有限公司 | Self-learning detection method for position of EOL shifting fork |
| CN113464644B (en) * | 2021-06-24 | 2023-01-20 | 三一重型装备有限公司 | Gearbox gear calibration system, vehicle and gearbox gear calibration method |
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