CN109424739A - A kind of double-clutch speed changer pressure adaptive method of adjustment and device - Google Patents
A kind of double-clutch speed changer pressure adaptive method of adjustment and device Download PDFInfo
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- CN109424739A CN109424739A CN201710780208.3A CN201710780208A CN109424739A CN 109424739 A CN109424739 A CN 109424739A CN 201710780208 A CN201710780208 A CN 201710780208A CN 109424739 A CN109424739 A CN 109424739A
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- clutch
- rotational speed
- value
- pressure
- speed difference
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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
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/46—Inputs being a function of speed dependent on a comparison between speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H2061/0474—Smoothing ratio shift by smoothing engagement or release of positive clutches; Methods or means for shock free engagement of dog clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The present invention provides a kind of double-clutch speed changer pressure adaptive method of adjustment and device, this method comprises: when detecting that moment of torsion is completed, the revolving speed of the revolving speed of acquisition separation clutch and engine respectively；The rotational speed difference for calculating engine and separating clutch；The work bonding state for combining clutch is detected according to rotational speed difference, and the pressure value for combining clutch is adjusted according to testing result.Based on method disclosed by the invention, by being detected to the working condition for combining clutch, the pressure value for combining clutch is adaptively adjusted according to testing result, this, which is just effectively relieved or even is avoided in shifting up operation, combines clutch over-voltage or under-voltage situation occur, to reduce the probability of shift shock or shake appearance, the comfort level of vehicle and the smooth degree of shift are also just improved.
Description
Technical field
The present invention relates to automobile technical fields, adjust more specifically to a kind of double-clutch speed changer pressure adaptive
Method and device.
Background technique
Double-clutch speed changer (Dual Clutch Transmission, DCT) is one kind of automatic transmission, by certainly
The high transmission efficiency of body, without the advantages such as gear shift and low cost of interruption, the market occupancy volume in automobile market increases year by year.
When automobile is in positive-torque state, double-clutch speed changer upshift generally comprises two processes, i.e. moment of torsion and speed
Spend phase；In moment of torsion, controls separation clutch corresponding compared with low-grade location and be gradually transitions the corresponding combination clutch of higher gear
Device so that the torque of low-grade location transmitting is gradually transmitted to high tap position, and in speed phase, control the revolving speed of engine and combine from
The revolving speed of clutch is synchronous, and at the end of moment of torsion and speed phase, is completely combined in conjunction with clutch, upshift finishes.
But when moment of torsion is completed, clutch working condition the case where there may be under-voltage or over-voltages, this will be led
Shift shock or shake is caused to influence driving experience to reduce the comfort level of vehicle and the smooth degree of shift.
Summary of the invention
In view of this, the present invention provides a kind of double-clutch speed changer pressure adaptive method of adjustment and device, to solve to work as
When moment of torsion is completed, the problem of clutch working condition the case where there may be under-voltage or over-voltages.Technical solution is as follows:
A kind of double-clutch speed changer pressure adaptive method of adjustment, comprising:
When detecting that moment of torsion is completed, acquisition separates the revolving speed of clutch and the revolving speed of engine respectively；
Calculate the engine and the rotational speed difference for separating clutch；
The work bonding state for combining clutch is detected according to the rotational speed difference, and according to testing result to described
It is adjusted in conjunction with the pressure value of clutch.
Preferably, the revolving speed of the revolving speed of the separation clutch of acquisition respectively and engine, comprising:
The current rotating speed of acquisition separation clutch and engine respectively.
Preferably, the revolving speed of the revolving speed of the separation clutch of acquisition respectively and engine, comprising:
Using prefixed time interval as the sampling period, acquisition separates the revolving speed of clutch and engine respectively；
The revolving speed average value of the separation clutch and the engine in default sampling periods is calculated separately, it is described pre-
If sampling periods include moment of torsion sampling periods and speed phase sampling periods, the default sampling periods include described at least one
Prefixed time interval.
Preferably, described that the work bonding state for combining clutch is detected according to the rotational speed difference, and according to inspection
Result is surveyed to be adjusted the pressure value of the combination clutch, comprising:
Judge whether the revolving speed absolute value of the difference is greater than rotational speed difference threshold value；
When the rotational speed difference absolute value is greater than the rotational speed difference threshold value, pressure adjusted value is calculated according to the rotational speed difference,
And judge whether the rotational speed difference is greater than 0；
If so, determining that clutch is combined to be in under-voltage condition, and the pressure value of the combination clutch is increased into the pressure
Power adjusted value；
If it is not, determining that clutch is combined to be in overvoltage condition, and the pressure value of the combination clutch is reduced into the pressure
Power adjusted value.
Preferably, described that the work bonding state for combining clutch is detected according to the rotational speed difference, and according to inspection
Result is surveyed to be adjusted the pressure value of the combination clutch, comprising:
Judge whether the rotational speed difference absolute value is greater than rotational speed difference threshold value；
When the rotational speed difference absolute value is greater than the rotational speed difference threshold value, judge whether the rotational speed difference is greater than 0；
If so, determining that clutch is combined to be in under-voltage condition, and the combination clutch is calculated according to the rotational speed difference and is existed
First pressure adjusted value under under-voltage condition；
The pressure value of the combination clutch is increased into the first pressure adjusted value；
If it is not, determining that clutch is combined to be in overvoltage condition, and the combination clutch is calculated according to the rotational speed difference and is existed
Second pressure adjusted value under overvoltage condition；
The pressure value of the combination clutch is reduced into the second pressure and sets adjusted value.
A kind of double-clutch speed changer pressure adaptive adjustment device, comprising: revolving speed acquisition module, computing module and pressure tune
Mould preparation block；
The revolving speed acquisition module, for when detect moment of torsion complete when, respectively acquisition separation clutch revolving speed and
The revolving speed of engine；
The computing module, for calculating the engine and the rotational speed difference for separating clutch；
The pressure adjusting module, for being examined according to the rotational speed difference to the work bonding state for combining clutch
It surveys, and is adjusted according to pressure value of the testing result to the combination clutch.
Preferably, the revolving speed acquisition module, is specifically used for:
The current rotating speed of acquisition separation clutch and engine respectively.
Preferably, the revolving speed acquisition module, is specifically used for:
Using prefixed time interval as the sampling period, acquisition respectively separates the revolving speed of clutch and engine, and counts respectively
The revolving speed average value of the separation clutch and the engine in default sampling periods is calculated, the default sampling periods include
Moment of torsion sampling periods and speed phase sampling periods, the default sampling periods include at least one described prefixed time interval.
Preferably, the pressure adjusting module, is specifically used for:
Judge whether the revolving speed absolute value of the difference is greater than rotational speed difference threshold value；When the rotational speed difference absolute value is greater than described turn
When speed difference threshold value, pressure adjusted value is calculated according to the rotational speed difference, and judge whether the rotational speed difference is greater than 0；If so, determining knot
It closes clutch and is in under-voltage condition, and the pressure value of the combination clutch is increased into the pressure adjusted value；If it is not, determining knot
It closes clutch and is in overvoltage condition, and the pressure value of the combination clutch is reduced into the pressure adjusted value.
Preferably, the pressure adjusting module, is specifically used for:
Judge whether the rotational speed difference absolute value is greater than rotational speed difference threshold value；When the rotational speed difference absolute value is greater than the revolving speed
When poor threshold value, judge whether the rotational speed difference is greater than 0；If so, determining that clutch is combined to be in under-voltage condition, and according to described turn
Speed difference calculates first pressure adjusted value of the combination clutch under under-voltage condition；The pressure value of the combination clutch is increased
Add the first pressure adjusted value；If it is not, determining that clutch is combined to be in overvoltage condition, and according to rotational speed difference calculating
In conjunction with second pressure adjusted value of the clutch under overvoltage condition；The pressure value of the combination clutch is reduced into second pressure
Power sets adjusted value.
Compared to the prior art, what the present invention realized has the beneficial effect that
Based on method disclosed by the invention, by being detected to the working condition for combining clutch, according to testing result
The pressure value for combining clutch is adaptively adjusted, this, which is just effectively relieved or even is avoided in shifting up operation, combines clutch
There is over-voltage or under-voltage situation, to reduce the probability of shift shock or shake appearance, also just improves relaxing for vehicle
The smooth degree of appropriateness and shift.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the method flow diagram of double-clutch speed changer pressure adaptive method of adjustment provided in an embodiment of the present invention；
Fig. 2 is the Part Methods process of double-clutch speed changer pressure adaptive method of adjustment provided in an embodiment of the present invention
Figure；
Fig. 3 is the another Part Methods stream of double-clutch speed changer pressure adaptive method of adjustment provided in an embodiment of the present invention
Cheng Tu；
Fig. 4 is another Part Methods stream of double-clutch speed changer pressure adaptive method of adjustment provided in an embodiment of the present invention
Cheng Tu；
Fig. 5 is the structural schematic diagram that double-clutch speed changer pressure adaptive provided in an embodiment of the present invention adjusts device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention discloses a kind of double-clutch speed changer pressure adaptive method of adjustment, the method flow diagram of this method
As shown in Figure 1, including the following steps:
S101, when detecting that moment of torsion is completed, acquisition separates the revolving speed of clutch and the revolving speed of engine respectively；
During executing step S101, when detect moment of torsion completion namely switch to speed phase from moment of torsion
When, the revolving speed of acquisition separation clutch and engine, revolving speed described herein, can be to separate clutch under current time respectively
It can also be the revolving speed average value of separation clutch and engine in a period of time with the current rotating speed of engine, it can be according to reality
It needs to be specifically chosen, the present embodiment does not do any restriction；
During specific implementation, " revolving speed of the revolving speed of acquisition separation clutch and engine respectively " can in step S101
Specifically to use following steps, method flow diagram is as shown in Figure 2:
S1001, using prefixed time interval as the sampling period, acquisition separates the revolving speed of clutch and engine respectively；
S1002 calculates separately the revolving speed average value of separation clutch and engine in default sampling periods, described default
Sampling periods include moment of torsion sampling periods and speed phase sampling periods, when the default sampling periods are preset comprising at least one
Between be spaced；
During executing step S1002, if default sampling periods be on the basis of detecting that moment of torsion completes the moment,
Forward torque phase sampling periods 10ms, speed phase sampling periods 10ms is acquired then using prefixed time interval as the sampling period backward
Detect the every speed that clutch and engine are separated before moment of torsion completes moment 10ms, and acquisition testing is complete to moment of torsion
Turn at the every speed for separating clutch and engine after moment 10ms, and according to separation clutch collected in 20ms
Speed calculates the revolving speed average value of separation clutch in the sampling periods, likewise, being turned according to engine collected in 20ms
Speed calculates the revolving speed average value of separation clutch in the sampling periods.
S102 calculates the rotational speed difference of separation clutch and engine；
S103 detects the work bonding state for combining clutch according to rotational speed difference, and according to testing result to knot
The pressure value for closing clutch is adjusted；
During executing step S103, in shifting up operation, the pressure value for separating clutch is gradually reduced, in conjunction with from
The pressure value of clutch is then gradually increased, and the revolving speed of engine is moved closer in the revolving speed for combining clutch, and due to different stalls
Corresponding different engine, gear is higher, and required engine speed is lower, therefore, is combining clutch pressure value gradually
During increase, the revolving speed of engine is gradually reduced, so as to by calculating engine and combining between clutch
Rotational speed difference detection combines the work bonding state of clutch, and adaptively adjusts pressure value；
It is under-voltage in conjunction with clutch or over-voltage is characterized with position specifically, for dry clutch, and for wet type
For clutch, clutch is under-voltage or over-voltage is then characterized with pressure.
During specific implementation, step S103 " is examined the work bonding state for combining clutch according to rotational speed difference
Survey, and the pressure value for combining clutch be adjusted according to testing result " it can specifically use following steps, method flow diagram
It is as shown in Figure 3:
S1003, judges whether revolving speed absolute value of the difference is greater than rotational speed difference threshold value；When rotational speed difference absolute value is greater than rotational speed difference threshold
When value, S1004 is thened follow the steps；
During executing step S1003, in actual application, judge to combine by setting rotational speed difference threshold value
Whether clutch is in normal operating condition；If rotational speed difference absolute value is not more than rotational speed difference threshold value, then it represents that in conjunction with clutch
Operating status it is normal, do not execute any operation；If rotational speed difference absolute value is greater than rotational speed difference threshold value, then it represents that in conjunction with clutch
Operating status it is abnormal, the case where there are under-voltage or over-voltages.
S1004 calculates pressure adjusted value according to rotational speed difference, and judges whether rotational speed difference is greater than 0；If so, thening follow the steps
S1005；If it is not, thening follow the steps S1006；
During executing step S1004, rotational speed difference can be calculated according to pre-set pressure adjustment calculation rule
Corresponding pressure adjusted value, the pressure adjustment calculation rule can set step-length only to increase, that is to say, that any rotational speed difference pair
The pressure adjusted value answered is consistent, and pressure adjustment calculation rule can also be the mapping relations of rotational speed difference and pressure adjustment amount, also
It is that corresponding pressure adjusted value can be directly chosen according to rotational speed difference, the pressure adjusted value referred in the present embodiment step S1004 is used
The under-voltage adjusted value under overvoltage condition of clutch is combined in characterizing.
S1005 determines that clutch is combined to be in under-voltage condition, and the pressure value for combining clutch is increased pressure adjustment
Value；
S1006 determines that clutch is combined to be in overvoltage condition, and the pressure value for combining clutch is reduced pressure adjustment
Value.
During specific implementation, step S103 " is examined the work bonding state for combining clutch according to rotational speed difference
Survey, and the pressure value for combining clutch be adjusted according to testing result " it can also specifically use following steps, method flow
Figure is as shown in Figure 4:
S1007, judges whether rotational speed difference absolute value is greater than rotational speed difference threshold value；If so, thening follow the steps S1008；
S1008, judges whether rotational speed difference is greater than 0；If so, thening follow the steps S1009；If it is not, thening follow the steps S1011；
S1009 determines that clutch is combined to be in under-voltage condition, and calculates the combination clutch under-voltage according to rotational speed difference
First pressure adjusted value under state；
During executing step S1009, it can be advised according to the pressure adjustment calculation under pre-set under-voltage condition
When then calculations incorporated clutch is in under-voltage condition, the corresponding pressure adjusted value of rotational speed difference, which can
Only to increase setting step-length, that is to say, that the corresponding pressure adjusted value of any rotational speed difference is consistent, and pressure adjustment calculation rule is also
It can be the mapping relations of rotational speed difference and pressure adjustment amount, that is to say, that, that is to say, that it can directly be chosen according to rotational speed difference corresponding
Pressure adjusted value, the pressure adjusted value referred in the present embodiment step S1009 combine clutch to be in under-voltage condition for characterizing
Under pressure adjusted value.
S1010 will combine the pressure value of clutch to increase first pressure adjusted value；
S1011, judgement combine clutch to be in overvoltage condition, and according to rotational speed difference calculations incorporated clutch in overvoltage condition
Under second pressure adjusted value；
During executing step S1011, it can be advised according to the pressure adjustment calculation under pre-set overvoltage condition
When then calculations incorporated clutch is in overvoltage condition, the corresponding pressure adjusted value of rotational speed difference, which can
Only to increase setting step-length, that is to say, that the corresponding pressure adjusted value of any rotational speed difference is consistent, and pressure adjustment calculation rule is also
It can be the mapping relations of rotational speed difference and pressure adjustment amount, that is to say, that, that is to say, that it can directly be chosen according to rotational speed difference corresponding
Pressure adjusted value, the pressure adjusted value referred in the present embodiment step S1011 combine clutch to be in overvoltage condition for characterizing
Under pressure adjusted value.
The pressure value for combining clutch is reduced second pressure and sets adjusted value by S1012.
Above step S1001~step S1002 is only " acquisition point respectively in step S101 that the embodiment of the present application discloses
A kind of preferred implementation of the revolving speed of luxuriant clutch and the revolving speed of engine " process, the specific implementation side in relation to this process
Formula can be arbitrarily arranged according to their own needs, it is not limited here.
Above step S1003~step S1006 is only the step S103 that discloses of the embodiment of the present application " according to rotational speed difference pair
It is detected in conjunction with the work bonding state of clutch, and the pressure value for combining clutch is adjusted according to testing result "
A kind of preferred implementation of process, the specific implementation in relation to this process can be arbitrarily arranged according to their own needs,
This is without limitation.
Above step S1007~step S1012 is only the step S103 that discloses of the embodiment of the present application " according to rotational speed difference pair
It is detected in conjunction with the work bonding state of clutch, and the pressure value for combining clutch is adjusted according to testing result "
A kind of preferred implementation of process, the specific implementation in relation to this process can be arbitrarily arranged according to their own needs,
This is without limitation.
Double-clutch speed changer pressure adaptive method of adjustment disclosed in the present embodiment, by the work shape for combining clutch
State is detected, and is adaptively adjusted according to testing result to the pressure value for combining clutch, this is just effectively relieved or even keeps away
Exempt to combine clutch over-voltage or under-voltage situation occur in shifting up operation, to reduce shift shock or shake appearance
Probability also just improves the comfort level of vehicle and the smooth degree of shift.
The double-clutch speed changer pressure adaptive method of adjustment provided based on the above embodiment, the embodiment of the present invention disclose one
Kind double-clutch speed changer pressure adaptive adjusts device, and the structural schematic diagram of the device is as shown in Figure 5, comprising: revolving speed acquires mould
Block 101, computing module 102 and pressure adjusting module 103；
Revolving speed acquisition module 101, for when detecting that moment of torsion is completed, acquisition to separate the revolving speed and hair of clutch respectively
The revolving speed of motivation；
Computing module 102, the rotational speed difference for calculating engine with separating clutch；
Pressure adjusting module 103 for being detected according to rotational speed difference to the work bonding state for combining clutch, and is pressed
The pressure value for combining clutch is adjusted according to testing result.
Optionally, revolving speed acquisition module 101, is specifically used for:
The current rotating speed of acquisition separation clutch and engine respectively.
Optionally, revolving speed acquisition module 101, is specifically used for:
Using prefixed time interval as the sampling period, acquisition respectively separates the revolving speed of clutch and engine, and counts respectively
The revolving speed average value of the luxuriant clutch of point counting and engine in default sampling periods, the default sampling periods include that moment of torsion is adopted
Sample period and speed phase sampling periods, the default sampling periods include at least one prefixed time interval.
Optionally, pressure adjusting module 103 are specifically used for:
Judge whether revolving speed absolute value of the difference is greater than rotational speed difference threshold value；When rotational speed difference absolute value is greater than rotational speed difference threshold value,
Pressure adjusted value is calculated according to rotational speed difference, and judges whether rotational speed difference is greater than 0；If so, determining that clutch is combined to be in under-voltage shape
State, and the pressure value of clutch will be combined to increase pressure adjusted value；If it is not, determining that clutch is combined to be in overvoltage condition, and will
Pressure adjusted value is reduced in conjunction with the pressure value of clutch.
Optionally, pressure adjusting module 103 are specifically used for:
Judge whether rotational speed difference absolute value is greater than rotational speed difference threshold value；When rotational speed difference absolute value is greater than rotational speed difference threshold value, sentence
Whether disconnected rotational speed difference is greater than 0；If so, determining that clutch is combined to be in under-voltage condition, and according to rotational speed difference calculations incorporated clutch
First pressure adjusted value under under-voltage condition；The pressure value of clutch will be combined to increase first pressure adjusted value；If it is not, determining
It is in overvoltage condition in conjunction with clutch, and is adjusted according to second pressure of the rotational speed difference calculations incorporated clutch under overvoltage condition
Value；The pressure value for combining clutch is reduced into second pressure and sets adjusted value.
Double-clutch speed changer pressure adaptive disclosed in the present embodiment adjusts device, by the work shape for combining clutch
State is detected, and is adaptively adjusted according to testing result to the pressure value for combining clutch, this is just effectively relieved or even keeps away
Exempt to combine clutch over-voltage or under-voltage situation occur in shifting up operation, to reduce shift shock or shake appearance
Probability also just improves the comfort level of vehicle and the smooth degree of shift.
A kind of double-clutch speed changer pressure adaptive method of adjustment provided by the present invention and device have been carried out in detail above
Thin to introduce, used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For the device disclosed in the embodiment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic,
It further include either the element intrinsic for these process, method, article or equipments.In the absence of more restrictions,
The element limited by sentence "including a ...", it is not excluded that in the process, method, article or equipment including the element
In there is also other identical elements.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of double-clutch speed changer pressure adaptive method of adjustment characterized by comprising
When detecting that moment of torsion is completed, acquisition separates the revolving speed of clutch and the revolving speed of engine respectively；
Calculate the engine and the rotational speed difference for separating clutch；
The work bonding state for combining clutch is detected according to the rotational speed difference, and according to testing result to the combination
The pressure value of clutch is adjusted.
2. the method according to claim 1, wherein the revolving speed and engine of the separation clutch of acquisition respectively
Revolving speed, comprising:
The current rotating speed of acquisition separation clutch and engine respectively.
3. the method according to claim 1, wherein the revolving speed and engine of the separation clutch of acquisition respectively
Revolving speed, comprising:
Using prefixed time interval as the sampling period, acquisition separates the revolving speed of clutch and engine respectively；
The revolving speed average value of the separation clutch and the engine in default sampling periods is calculated separately, described preset is adopted
The sample period includes moment of torsion sampling periods and speed phase sampling periods, and the default sampling periods include that at least one is described default
Time interval.
4. the method according to claim 1, wherein the work according to the rotational speed difference to clutch is combined
Bonding state is detected, and is adjusted according to pressure value of the testing result to the combination clutch, comprising:
Judge whether the revolving speed absolute value of the difference is greater than rotational speed difference threshold value；
When the rotational speed difference absolute value is greater than the rotational speed difference threshold value, pressure adjusted value is calculated according to the rotational speed difference, and sentence
Whether the rotational speed difference of breaking is greater than 0；
If so, determining that clutch is combined to be in under-voltage condition, and the pressure value of the combination clutch is increased into the pressure tune
Whole value；
If it is not, determining that clutch is combined to be in overvoltage condition, and the pressure value of the combination clutch is reduced into the pressure tune
Whole value.
5. the method according to claim 1, wherein the work according to the rotational speed difference to clutch is combined
Bonding state is detected, and is adjusted according to pressure value of the testing result to the combination clutch, comprising:
Judge whether the rotational speed difference absolute value is greater than rotational speed difference threshold value；
When the rotational speed difference absolute value is greater than the rotational speed difference threshold value, judge whether the rotational speed difference is greater than 0；
If so, determining that clutch is combined to be in under-voltage condition, and the combination clutch is calculated under-voltage according to the rotational speed difference
First pressure adjusted value under state；
The pressure value of the combination clutch is increased into the first pressure adjusted value；
If it is not, determining that clutch is combined to be in overvoltage condition, and the combination clutch is calculated in over-voltage according to the rotational speed difference
Second pressure adjusted value under state；
The pressure value of the combination clutch is reduced into the second pressure and sets adjusted value.
6. a kind of double-clutch speed changer pressure adaptive adjusts device characterized by comprising revolving speed acquisition module calculates mould
Block and pressure adjusting module；
The revolving speed acquisition module, for when detecting that moment of torsion is completed, acquisition to separate the revolving speed of clutch and starts respectively
The revolving speed of machine；
The computing module, for calculating the engine and the rotational speed difference for separating clutch；
The pressure adjusting module, for being detected according to the rotational speed difference to the work bonding state for combining clutch, and
It is adjusted according to pressure value of the testing result to the combination clutch.
7. device according to claim 6, which is characterized in that the revolving speed acquisition module is specifically used for:
The current rotating speed of acquisition separation clutch and engine respectively.
8. device according to claim 6, which is characterized in that the revolving speed acquisition module is specifically used for:
Using prefixed time interval as the sampling period, acquisition respectively separates the revolving speed of clutch and engine, and calculates separately institute
The revolving speed average value of separation clutch and the engine in default sampling periods is stated, the default sampling periods include torque
Phase sampling periods and speed phase sampling periods, the default sampling periods include at least one described prefixed time interval.
9. device according to claim 6, which is characterized in that the pressure adjusting module is specifically used for:
Judge whether the revolving speed absolute value of the difference is greater than rotational speed difference threshold value；When the rotational speed difference absolute value is greater than the rotational speed difference
When threshold value, pressure adjusted value is calculated according to the rotational speed difference, and judge whether the rotational speed difference is greater than 0；If so, determine combine from
Clutch is in under-voltage condition, and the pressure value of the combination clutch is increased the pressure adjusted value；If it is not, determine combine from
Clutch is in overvoltage condition, and the pressure value of the combination clutch is reduced the pressure adjusted value.
10. device according to claim 6, which is characterized in that the pressure adjusting module is specifically used for:
Judge whether the rotational speed difference absolute value is greater than rotational speed difference threshold value；When the rotational speed difference absolute value is greater than the rotational speed difference threshold
When value, judge whether the rotational speed difference is greater than 0；If so, determining that clutch is combined to be in under-voltage condition, and according to the rotational speed difference
Calculate first pressure adjusted value of the combination clutch under under-voltage condition；The pressure value of the combination clutch is increased into institute
State first pressure adjusted value；If it is not, determining that clutch is combined to be in overvoltage condition, and the combination is calculated according to the rotational speed difference
Second pressure adjusted value of the clutch under overvoltage condition；The pressure value of the combination clutch is reduced the second pressure to set
Adjusted value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780208.3A CN109424739B (en) | 2017-09-01 | 2017-09-01 | Pressure self-adaptive adjusting method and device for double-clutch transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648308A (en) * | 2020-12-30 | 2021-04-13 | 蜂巢传动科技河北有限公司 | Control method, device and system for adjusting speed difference of two ends of synchronizer based on clutch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011064291A (en) * | 2009-09-18 | 2011-03-31 | Jatco Ltd | Control device of automatic transmission and learning method thereof |
| CN102606724A (en) * | 2012-03-26 | 2012-07-25 | 重庆青山工业有限责任公司 | Method for controlling wet type dual clutch transmission |
| CN103115145A (en) * | 2013-02-01 | 2013-05-22 | 重庆青山工业有限责任公司 | Main oil pressure control method of dual clutch transmission |
| CN104976243A (en) * | 2015-07-17 | 2015-10-14 | 上海汽车变速器有限公司 | Precharge oil pressure self-adaption method and system for wet type double clutch automatic gearbox |
| CN105422841A (en) * | 2015-11-30 | 2016-03-23 | 盛瑞传动股份有限公司 | Self-adaptation control method and system for gear shifting of automatic transmission |
| CN105443611A (en) * | 2014-08-07 | 2016-03-30 | 上海汽车集团股份有限公司 | Method for controlling oil charge and gearshift of clutches of double clutch-type speed changer |
-
2017
- 2017-09-01 CN CN201710780208.3A patent/CN109424739B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011064291A (en) * | 2009-09-18 | 2011-03-31 | Jatco Ltd | Control device of automatic transmission and learning method thereof |
| CN102606724A (en) * | 2012-03-26 | 2012-07-25 | 重庆青山工业有限责任公司 | Method for controlling wet type dual clutch transmission |
| CN103115145A (en) * | 2013-02-01 | 2013-05-22 | 重庆青山工业有限责任公司 | Main oil pressure control method of dual clutch transmission |
| CN105443611A (en) * | 2014-08-07 | 2016-03-30 | 上海汽车集团股份有限公司 | Method for controlling oil charge and gearshift of clutches of double clutch-type speed changer |
| CN104976243A (en) * | 2015-07-17 | 2015-10-14 | 上海汽车变速器有限公司 | Precharge oil pressure self-adaption method and system for wet type double clutch automatic gearbox |
| CN105422841A (en) * | 2015-11-30 | 2016-03-23 | 盛瑞传动股份有限公司 | Self-adaptation control method and system for gear shifting of automatic transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648308A (en) * | 2020-12-30 | 2021-04-13 | 蜂巢传动科技河北有限公司 | Control method, device and system for adjusting speed difference of two ends of synchronizer based on clutch |
| CN112648308B (en) * | 2020-12-30 | 2022-04-29 | 蜂巢传动科技河北有限公司 | Control method, device and system for adjusting speed difference of two ends of synchronizer based on clutch |
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