CN106438761A - Method and device for determining temperature of wet dual clutch transmission - Google Patents
Method and device for determining temperature of wet dual clutch transmission Download PDFInfo
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- CN106438761A CN106438761A CN201610938798.3A CN201610938798A CN106438761A CN 106438761 A CN106438761 A CN 106438761A CN 201610938798 A CN201610938798 A CN 201610938798A CN 106438761 A CN106438761 A CN 106438761A
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- heat
- cooling oil
- variable quantity
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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
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- General Engineering & Computer Science (AREA)
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a method and device for determining the temperature of a wet dual -clutch transmission. The method comprises the steps that the initial temperature and the cooling oil initial output temperature of a first clutch body and a second clutch body, the cooling oil flow of a dual clutch, the cooling oil input temperature of the dual clutch, the heat input of the first clutch body and the heat input of the second clutch body are determined; the initial temperature and the cooling oil initial output temperature of the first clutch body and the second clutch body, the cooling oil flow and the cooling oil input temperature of the dual clutch, the heat input of the first clutch body and the heat input of the second clutch body are applied to a heat model; the current temperature of the first clutch body and the second clutch body and the cooling oil current output temperature of the dual clutch are calculated through the heat model; and control action is executed through the determined current temperature of the first clutch body and the second clutch body and the determined cooling oil current output temperature of the dual clutch. Thus, the method and device can be used for monitoring the inner temperature of the wet dual clutch in real time.
Description
Technical field
The present invention relates to a kind of field of temperature measurement with clutch speed-changer of vehicle, more particularly, to one kind are used for determining
The modeling of wet dual clutch transmission temperature.
Background technology
The real time temperature of clutch can affect protection, service life and the reliability of clutch.Therefore, monitor in real time
The temperature of clutch provides, to the improper inefficacy avoiding clutch, the foundation controlling.At present, this field just for dry type from
The model of clutch structure has carried out specification, the rarely useful model in wet-type dual-clutch temperature real-time monitoring, but wet type
Double clutch has obvious difference, the cooler environment residing for wet-type dual-clutch and cooling side in structure with dry clutch
Formula is totally different from dry clutch it is necessary to design is applied to the model of wet-type dual-clutch mechanism.
Content of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide one kind is used for determining wet dual clutch transmission temperature
The method and apparatus of degree.
To achieve these goals, the present invention proposes a kind of method for determining wet dual clutch transmission temperature,
It comprises the following steps：
Determine initial temperature, the initial output temperature of cooling oil of first clutch and second clutch；
Determine the cooling oil flow of double clutch；
Determine the cooling oil input temp of double clutch；
Determine the heat input of described first clutch and the heat input of described second clutch；
By the initial temperature of described first clutch and described second clutch, the initial output temperature of cooling oil and double clutch
The cooling oil flow of device, cooling oil initial input temperature, the heat input of described first clutch and the heat of second clutch
Input is applied to thermal model, and calculates Current Temperatures of described first clutch and second clutch, double using described thermal model
The current output temperature of cooling oil of clutch；
Cold using the described first clutch through determining and the Current Temperatures of described second clutch and double clutch
But the current output temperature of oil is executing control action.
Preferably, described first clutch be located at described second clutch outside, described second clutch cold
Oily input temp is the cooling oil input temp of described double clutch, and the cooling oil input temp of described first clutch is by institute
The current output temperature of cooling oil stating second clutch is determined, the cooling oil current output temperature conduct of described first clutch
The current output temperature of cooling oil of double clutch.
Preferably, described first clutch includes the first friction plate and the first steel disc,
The heat input of described first clutch is obtained by following steps：
Determine the transmitting torque of described first clutch；
To determine the sliding wear power of described first clutch by the transmitting torque of described first clutch；
To determine the heat input of described first clutch by the sliding wear power of described first clutch；
The heat input of described first clutch is assigned to the both sides of described first friction plate and the first steel disc.
Preferably, described second clutch includes the second friction plate and the second steel disc,
The heat input of described second clutch is obtained by following steps：
Determine the transmitting torque of described second clutch；
Determine the sliding wear power of described second clutch by the transmitting torque of described second clutch；
Determine the heat input of described second clutch by the sliding wear power of described second clutch；
The heat input of described second clutch is assigned to the both sides of described second friction plate and the second steel disc.
Preferably,
Calculate the Current Temperatures of described first clutch using described thermal model, including：
Determine the heat energy variable quantity of described first friction plate；
Determine the heat energy variable quantity of described first steel disc；
Determine the thermal convection current heat-energy transducer variable quantity of described first friction plate and cooling oil；
Determine the thermal convection current heat-energy transducer variable quantity of described first steel disc and cooling oil；
Determine the cooling oil heat energy variable quantity by described first clutch；
By the heat energy variable quantity of described first friction plate, the heat energy variable quantity of the first steel disc, the first friction plate and cooling oil
The thermal convection current heat-energy transducer variable quantity of thermal convection current heat-energy transducer variable quantity, the first steel disc and cooling oil and by first clutch
Cooling oil heat energy variable quantity substitution the first relational expression, the second relational expression and the 3rd relational expression calculate described first friction plate and work as
Front temperature, the first steel disc Current Temperatures, the current output temperature of cooling oil of first clutch；
Determine the current temperature of first clutch according to described first friction plate Current Temperatures and the first steel disc Current Temperatures
Degree；
Wherein, described first relational expression is the heat energy change with described first friction plate for the heat input of first clutch
Amount, the heat energy variable quantity of the first steel disc and the relational expression by the cooling oil heat energy variable quantity of first clutch；Second relational expression
For first clutch heat input be assigned to the heat of the first friction plate side and the heat energy variable quantity of described first friction plate with
And first friction plate and cooling oil thermal convection current heat-energy transducer variable quantity relational expression；3rd relational expression is the heat of first clutch
Input is assigned to the heat of the heat of the first steel disc side and the heat energy variable quantity of described first steel disc and the first steel disc and cooling oil
The relational expression of heat convection energy variable quantity.
Preferably, the Current Temperatures of described second clutch are calculated using described thermal model, including：
Determine the heat energy variable quantity of described second friction plate；
Determine the heat energy variable quantity of described second steel disc；
Determine the thermal convection current heat-energy transducer variable quantity of described second friction plate and cooling oil；
Determine the thermal convection current heat-energy transducer variable quantity of described second steel disc and cooling oil；
Determine the cooling oil heat energy variable quantity by described second clutch；
By the heat energy variable quantity of described second friction plate, the heat energy variable quantity of the second steel disc, the second friction plate and cooling oil
The thermal convection current heat-energy transducer variable quantity of thermal convection current heat-energy transducer variable quantity, the second steel disc and cooling oil and by second clutch
Cooling oil heat energy variable quantity substitutes into the 4th relational expression, the 5th relational expression and the 6th relational expression and calculates described second friction plate
Current Temperatures, the Current Temperatures of the second steel disc, the current output temperature of cooling oil of second clutch；
The Current Temperatures of the Current Temperatures according to described second friction plate and the second steel disc determine working as of second clutch
Front temperature；
Wherein, described 4th relational expression is the heat energy change with described second friction plate for the heat input of second clutch
Amount, the heat energy variable quantity of the second steel disc and the relational expression by the cooling oil heat energy variable quantity of second clutch；5th relational expression
For second clutch heat input be assigned to the heat of the second friction plate side and the heat energy variable quantity of described second friction plate with
And second friction plate and cooling oil thermal convection current heat-energy transducer variable quantity relational expression；6th relational expression is the heat of second clutch
Input is assigned to the heat of the heat of the second steel disc side and the heat energy variable quantity of described second steel disc and the second steel disc and cooling oil
The relational expression of heat convection energy variable quantity.
Preferably, the described Current Temperatures using the described first clutch through determining and described second clutch
And the current output temperature of cooling oil of double clutch comprises the following steps executing control action：
Cold when the Current Temperatures of described first clutch, the Current Temperatures of described second clutch and described double clutch
When but having one to be more than threshold value in the current output temperature three of oil, double clutch is controlled to enter protected mode.
In order to realize identical purpose, the present invention also provides a kind of dress for determining wet-type dual-clutch transmission temperature
Put, it includes：
First temperature determination module, it determines that first clutch and the initial temperature of second clutch, cooling oil are initially defeated
Go out temperature；
Cooling oil flow determining module, it determines the cooling oil flow of double clutch；
Second temperature determining module, it determines the cooling oil input temp of double clutch；
Heat determining module, it determines that the heat input of described first clutch is defeated with the heat of described second clutch
Enter；
Temperature computation module, it is by the initial temperature of described first clutch and described second clutch and cooling oil stream
Amount, the cooling oil initial input temperature of double clutch and initial output temperature, the heat input and second of described first clutch
The heat input of clutch is applied to thermal model, and calculates described first clutch and second clutch using described thermal model
Current Temperatures, the current output temperature of cooling oil of double clutch；
Control module：It is using the described first clutch through determining and the Current Temperatures of described second clutch and double
The current output temperature of cooling oil of clutch is executing control action.
Preferably, described first clutch be located at described second clutch outside, described second clutch cold
Oily input temp is the cooling oil input temp of described double clutch, and the cooling oil input temp of described first clutch is by institute
The current output temperature of cooling oil stating second clutch is determined, the cooling oil current output temperature conduct of described first clutch
The current output temperature of cooling oil of double clutch.
Preferably, described device also includes first clutch heat input preset module, and it is used for acquisition first
The heat input of clutch, including：
First transmitting torque determining module, it determines the transmitting torque of described first clutch；
First sliding wear power determination module, it to determine described first clutch by the transmitting torque of described first clutch
Sliding wear power；
First heat input determining module, it to determine described first clutch by the sliding wear power of described first clutch
Heat input；
First heat distribution module, the heat input of described first clutch is assigned to the first friction plate and the first steel by it
The both sides of piece.
Preferably, described device also includes second clutch heat input preset module, and it is used for acquisition second
The heat input of clutch, including：
Second transmitting torque determining module, it determines the transmitting torque of described second clutch；
Second sliding wear power determination module, it to determine described second clutch by the transmitting torque of described second clutch
Sliding wear power；
Second heat input determining module, it to determine described second clutch by the sliding wear power of described second clutch
Heat input；
Second heat distribution module, the heat input of described second clutch is assigned to the second friction plate and the second steel by it
The both sides of piece.
Preferably, described device also includes the Current Temperatures preset module of first clutch, and it is used for determining institute
State the Current Temperatures of first clutch, including：
First heat energy variable quantity module, it determines described first friction plate heat energy variable quantity, described first steel disc heat respectively
Energy variable quantity and the cooling oil heat energy variable quantity of described first clutch；
First thermal convection current heat-energy transducer variable quantity module, it determines that described first friction plate and the thermal convection current of cooling oil are changed respectively
Heat energy variable quantity and the thermal convection current heat-energy transducer variable quantity of described first steel disc and cooling oil；
First temperature computation module, its by the heat energy variable quantity of described first friction plate, the heat energy variable quantity of the first steel disc,
The thermal convection current heat-energy transducer variable quantity of the thermal convection current heat-energy transducer variable quantity, the first steel disc and cooling oil of the first friction plate and cooling oil with
And described first friction plate is calculated by the first temperature computation module described in the cooling oil heat energy variable quantity of first clutch
Current Temperatures, the first steel disc Current Temperatures, the current output temperature of cooling oil of first clutch；
First Current Temperatures determining module, its according to described first friction plate Current Temperatures and the first steel disc Current Temperatures Lai
Determine the Current Temperatures of first clutch.
Preferably, described device also includes the Current Temperatures preset module of second clutch, and it is used for determining institute
State the Current Temperatures of second clutch, including：
Second heat energy variable quantity module, it determines described second friction plate heat energy variable quantity, described second steel disc heat respectively
Energy variable quantity and the cooling oil heat energy variable quantity of described second clutch；
Second thermal convection current heat-energy transducer variable quantity module, it determines that described second friction plate and the thermal convection current of cooling oil are changed respectively
Heat energy variable quantity and the thermal convection current heat-energy transducer variable quantity of described second steel disc and cooling oil；
Second temperature computing module, its by the heat energy variable quantity of described second friction plate, the heat energy variable quantity of the second steel disc,
The thermal convection current heat-energy transducer variable quantity of the thermal convection current heat-energy transducer variable quantity, the second steel disc and cooling oil of the second friction plate and cooling oil with
And described second friction plate is calculated by second temperature computing module described in the cooling oil heat energy variable quantity of second clutch
Current Temperatures, the second steel disc Current Temperatures, the current output temperature of cooling oil of second clutch；
Second Current Temperatures determining module, its according to described second friction plate Current Temperatures and the second steel disc Current Temperatures Lai
Determine the Current Temperatures of second clutch.
Implement the method and apparatus that the embodiment of the present invention is used for determining wet-type dual-clutch transmission temperature, have and have as follows
Beneficial effect：
Can be with real-time monitoring wet-type dual-clutch internal temperature additionally it is possible to be controlled according to the temperature of clutch using the present invention
The input condition of the cooling oil of clutch processed, meanwhile, the present invention can also be according to monitoring result, when the temperature of storage is more than certain
During threshold value, judge that clutch needs to enter protected mode, at this moment remind driver and protect clutch not by thermal burn, so carry
The safety coefficient of high speed changer and clutch and service life.
Brief description
Fig. 1 is the flow chart of the determination double clutch temperature step according to the open principle of the present invention；
Fig. 2 is the structural representation of the determination double clutch temperature according to the open principle of the present invention.
Wherein：1st, first clutch；2nd, second clutch；3rd, cooling oil duct；4th, the first friction plate；5th, the first steel disc；6、
Second friction plate；7th, the second steel disc；8th, the cooling oil of porch；9th, the cooling oil in exit；10th, the work of first clutch
Face；11st, the working face of second clutch.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The present invention provides a kind of method for determining wet-type dual-clutch transmission temperature, and it comprises the following steps：
①：Start, judge whether to run for the first time；
②：Result according to the first step selects to carry out the initialization state of temperature amount of clutch or reads the previous of storage
Circulating temperature quantity of state；
③：Determine the cooling oil flow entering cooling oil duct 3 between double clutch friction plate and steel disc；
④：The cooling oil temperature determining wet-type dual-clutch casing box cooling oil temperature and entering cooling oil duct 3；
⑤：Calling model parameter：Including hot relevant parameter and clutch configuration parameter；
⑥：Determine the heat input from first clutch 1 and second clutch 2；
⑦：Using thermal model computing；
⑧：Export current first clutch 1 and second clutch 2 internal temperature state and double clutch output oil temperature；
⑨：State of temperature execution control action according to output；
⑩:End program or terminate this and circulate and enter next time to circulate.
The parameter that the present invention need to be related to is as follows：
Pump speed noil_pump, hydraulic control valve plate electromagnetic valve current state Ivbs(k-1) (it is alternatively other controllable execution
Element), cooling oil temperature T in casing boxoil；
Clutch housing case cooling oil temperature Toil, enter cooling oil duct 3 cooling oil temperature Toil_IN；
Convection transfer rate between the friction plate of double clutch and cooling oil is respectively hoilMC1、hoilMC2, double clutch
Convection transfer rate between steel disc and cooling oil is respectively hoilGC1、hoilGC2, friction plate pyroconductivity λM, steel disc pyroconductivity
λG, friction plate specific heat capacity CM, steel disc specific heat capacity CG, cooling oil specific heat capacity Coil, the friction tablet quality of double clutch be respectively mMC1、
mMC2, the steel disc quality of double clutch be respectively mGC1、mGC2, friction plate density pM, steel disc density pG, cooling oil density poil, first
Working face 10 contact area A of clutchC1, working face 11 contact area A of second clutchC2, the first of first clutch 1
Cooling oil duct 3 perimeter of section Girth between friction plate 4 and the first steel disc 5oilDuctC1, the second friction plate 6 of second clutch 2 with
Cooling oil duct 3 perimeter of section Girth between second steel disc 7oilDuctC2, the first friction plate 4 of first clutch 1 and the first steel disc 5
Between cooling oil duct 3 length loilDuctC1, cooling oil duct 3 length between the second friction plate 6 of second clutch 2 and the second steel disc 7
loilDuctC2；
The footprint pressure P of first clutch 1C1, the footprint pressure P of second clutch 2C2, the working face 10 of first clutch
CoefficientoffrictionμC1, working face 11 coefficientoffrictionμ of second clutchC2, the rotating speed n of first clutch 1C1, second clutch 2
Rotating speed nC2, double clutch input shaft rotating speed nEng, working face 10 contact area A of first clutchC1, the work of second clutch
Face 11 contact area AC2；
The internal temperature T of first clutch 1C1Iner, the internal temperature T of second clutch 2C2Iner, the output of double clutch
Oil temperature Toil_OUT；
Demand cooling oil flow Lneed, electromagnetic valve switch state Ivbs(k), clutch Thermal protection state FlagCluPct.
The inequality that present invention needs are related to：
There is sliding wear condition：Clutch rotational speed and Clutch input shaft rotation speed difference deltan n ＞ threshold value；
No sliding wear condition：Clutch rotational speed and Clutch input shaft rotation speed difference deltan n≤threshold value.
The specific works step of the present invention is as follows：
S1, beginning, enter corresponding module according to initial operating condition and circular flow condition, to determine whether to transport for first
OK：
First service condition：Vehicle unblock or car door opening or insertion ignition key or other in response to being satisfied
Actual conditions, otherwise for cyclic process, in vehicle and the power train course of work, real-time circulation runs program always；
When program is run for initial temperature：By program assignment or the initial output temperature of first clutch 1 that calculates
(as the first friction plate 4 and the first steel disc 5), the initial output temperature of second clutch 2 are (as the second friction plate 6 and the second steel disc
7), the initial output temperature of cooling oil 9 is respectively：
TC1M(0)、TC1G(0)、TC2M(0)、TC2G(0)、Toil_OUTC1(0)、Toil_OUTC2(0)；
When program is in during circular flow：The first clutch 1 that the previous cycle calculations of controller storage go out
Initial output temperature (as the first friction plate 4 and the first steel disc 5), the initial output temperature of second clutch 2 are (as the second friction plate
6 with the second steel disc 7), the initial output temperature state of cooling oil 9 is respectively：
TC1M(k-1)、TC1G(k-1)、TC2M(k-1)、TC2G(k-1)、Toil_OUTC1(k-1)、Toil_OUTC2(k-1).
S2, determine the cooling oil flow L of double clutchcross：
Cooling oil flow (the i.e. cooling oil of double clutch by cooling oil duct 3 between the friction plate of clutch and steel disc
Flow) LcrossFunction L can be passed throughcross=F (noil_pump,Ivbs(k-1),Toil) determine, this function is by hydraulic control valve plate characteristic
Determine and be given.
S3, determine the cooling oil input temp T of double clutchoil_IN：
Can measure by the oil temperature sensor being arranged in double-clutch speed changer oil sump that to obtain clutch housing case cold
But temperature T of oiloil, the cooling oil 8 entering clutch cooling oil duct 3 porch is directly to draw it from oil sump by oil pump
After enter, therefore can be by oil temperature (i.e. the cooling oil input temp of the double clutch) T of cooling oil duct 3 porchoil_INIt is equivalent to
The temperature that temperature sensor measurement in clutch oil drain pan obtains.
S4, calling model relevant parameter, are that thermal model operation is prepared, parameter includes hot relevant parameter and clutch characteristics
Parameter：
Hot relevant parameter：Convection transfer rate between the friction plate of double clutch and cooling oil is respectively hoilMC1、
hoilMC2, the convection transfer rate between double clutch steel disc and cooling oil be respectively hoilGC1、hoilGC2, friction plate pyroconductivity
λM, steel disc pyroconductivity λG, friction plate specific heat capacity CM, steel disc specific heat capacity CG, cooling oil specific heat capacity Coil, the friction plate of double clutch
Quality is respectively mMC1、mMC2, the steel disc quality of double clutch be respectively mGC1、mGC2, friction plate density pM, steel disc density pG, cooling
Oil density ρoil, the convection transfer rate h between clutch steel disc and cooling oiloilGC1、hoilGC2By formula h=Nu λ cdReally
Fixed, wherein Nu is Nu Saier coefficient, and general expression is Nu=B Ren·Prm, Re is Reynolds number, and Pr is Prandtl constant, exerts
Sai Er coefficient Nu can optimize determination by parameter B, n, m；cdFor equivalent diameter, when there being sliding wear condition to set up, double clutch is cold
But process cools down for sweeping flat board, and equivalent diameter takes cooling oil sweeping length in cooling oil duct 3, when no sliding wear condition is set up,
Double clutch cooling procedure is forced convertion cooling in pipe, and equivalent diameter takes cooling oil duct 3 equivalent diameter；
The characteristic parameter of clutch：Working face 10 contact area A of first clutchC1, the working face 11 of second clutch
Contact area AC2, cooling oil duct 3 perimeter of section between the first friction plate 4 of first clutch 1 and the first steel disc 5
GirthoilDuctC1, cooling oil duct 3 perimeter of section between the second friction plate 6 of second clutch 2 and the second steel disc 7
GirthoilDuctC2, cooling oil duct 3 length l between the first friction plate 4 of first clutch 1 and the first steel disc 5oilDuctC1, second
Cooling oil duct 3 length l between second friction plate 6 of clutch 2 and the second steel disc 7oilDuctC2.
S5, determine described first clutch 1 first heat input qfC1With the second heat from described second clutch 2
Amount input qfC2：
Q is inputted with the heat of first clutch 1fC1(the determination process one of the heat input of second clutch 2 as a example determination
Sample),
First：First clutch 1 transmitting torque MC1Determine：
When there being sliding wear condition to set up, MC1=PC1·μC1·AC1
When no sliding wear condition is set up, MC1Take transmission input shaft input torque；
Secondly：Determine first clutch 1 sliding wear power PfC1=2 π MC1·|nC1-nEng|/60；
Afterwards：Determine the heat input q of first clutch 1fC1：, wherein dt is cycle period
Finally：Determine the heat input q of first clutch 1fC1Distribution.The final heat producing of first clutch 1 sliding wear is divided
Be fitted on the first friction plate 4 and the first steel disc 5 both sides, the input of first clutch 1 heat the first friction plate 4 and the first steel disc 5 it
Between the relations of distribution be：qfC1M=1/ (1+s) qfC1, qfC1G=s/ (1+s) qfC1, wherein s is heat distribution coefficient, byDetermine；
The heat input q of second clutch 2fC2Determine similarly.
S6, by initial temperature T of described first clutch 1 and described second clutch 2C1(k-1)、TC2(k-1), at the beginning of cooling oil
Beginning output temperature Toil_OUTCooling oil flow L with double clutchcross, cooling oil initial input temperature Toil, described first heat
Input qfC1Input q with the second heatfC2It is applied to thermal model, and calculate described first clutch 1 and the using described thermal model
The Current Temperatures T of two clutches 2C1(k)、TC2(k), the cooling oil current output temperature T of double clutchoil_OUT(k)；
Confirm that the first friction plate 4 and first steel disc 5 of first clutch 1, the second of second clutch 2 rub using thermal model
The state of temperature of the cooling oil 9 in pad 6 and the second steel disc 7 and clutch cooling oil duct 3 exit.
(the temperature determination process of second clutch 2 is the same) taking first clutch 1 as a example：
Determine the heat energy variable quantity of the first friction plate 4 of first clutch 1 in current period：
ΔqMC1=mMC1·CM·(TC1M(k)-TC1M(k-1)) (1)
Determine the heat energy variable quantity of the first steel disc 5 of first clutch 1 in current period：
ΔqGC1=mGC1·CG·(TC1G(k)-TC1G(k-1)) (2)
Determine the thermal convection current heat-energy transducer variable quantity of the first friction plate 4 and cooling oil in current period：
Determine the thermal convection current heat-energy transducer variable quantity of the first steel disc 5 and cooling oil in current period：
When there being sliding wear condition to set up, A is defined as contact area A of the working face 10 of first clutchC1；
When no sliding wear condition is set up, A is defined as cooling oil path wetting areas AcrossC1=GirthoilDuctC1·
loildcutC1；
Determine in current period by the cooling oil heat energy variable quantity of clutch：
Determine energy relationship in whole heat exchanging process：
. the input of first clutch 1 heat is eventually converted into friction plate, steel disc, flows through cooling oil heat energy：
qfC1=Δ qMC1+ΔqGC1+ΔqoilcrossC1(6)
. the input of first clutch 1 heat is assigned to friction plate side heat flow direction：
qfC1M=Δ qMC1+ΔqMoilC1(7)
. the input of first clutch 1 heat is assigned to steel disc side heat flow direction：
qfC1M=Δ qMC1+ΔqMoilC1(8)
By above-mentioned (1)～(8) equation, by heat energy variation delta q of the first friction plateMC1, the first steel disc heat energy change
Amount Δ qGC1, thermal convection current heat-energy transducer variation delta q of the first friction plate and cooling oilMoilC1, the first steel disc and cooling oil heat right
Stream heat-energy transducer variation delta qGoilC1And by cooling oil heat energy variation delta q of first clutchoilcrossC1Substitution (6)～
(8) in relational expression, simultaneous simultaneously solves, and determines the current temperature status T of the first friction plate 4 of first clutch 1C1M(k),
The current temperature status T of the first steel disc 5 of one clutch 1C1G(k), the cooling oil Current Temperatures shape exporting from first clutch 1
State Toil_OUTC1(k)；
In the present embodiment, first clutch 1 is located at outside second clutch, for second clutch 2, second clutch 2
The second friction plate 6 and the second steel disc 7 between cooling oil duct 3 porch oil temperature (i.e. second clutch 2 cooling oil input temperature
Degree) Toil_INC2K () is defined as Toil_IN；For first clutch 1, the first friction plate 4 of first clutch 1 and the first steel disc 5 it
Between cooling oil duct 3 porch oil temperature (i.e. the cooling oil input temp of first clutch 1) Toil_INC1K () is defined as the second clutch
Cooling oil duct 3 outlet oil temperature (the current output temperature of cooling oil of the second clutch 2) T of device 2oil_OUTC2The function of (k), this letter
Number relation can be determined by parameter optimization；The current output temperature of cooling oil of first clutch 1 is as the cooling oil of double clutch
Current output temperature Toil_OUTC1(k)；
The cooling oil output of output first clutch 1 and the current internal temperature state of second clutch 2 and double clutch
Temperature：
The Current Temperatures determining first clutch are：TC1Iner=max (TC1M,TC1G)；
The Current Temperatures determining second clutch are：TC2Iner=max (TC2M,TC2G)；
The cooling oil output temperature determining double clutch is：Toil_OUT=Toil_OUTC1(k).
S7, using through determine described first clutch 1 and described second clutch 2 Current Temperatures TC1(k)、TC2(k)With
And the cooling oil current output temperature T of double clutchoil_OUT(k)To execute control action.
. storing step (1) calculated T Dao (8) inC1M(k)、TC1G(k)、Toil_OUTC1(k)、TC2M(k)、TC2G(k)、
Toil_OUTC2(k)、TC1Iner、TC2Iner、Toil_OUT；
. output TC1Iner、TC2Iner、Toil_OUT, can be used for other programs or instrument board temperature show and safety prompt function etc.；
. according to current TC1Iner、TC2Iner、Toil_OUT、Toil、PfC1And PfC2Determine that current wet clutch mechanism needs
The cooling oil flow L askingneed；
. according to LneedAnd hydraulic control system characteristic, determine hydraulic control system magnetic valve dbjective state Ivbs(k) or its
His controllable execution component object state；
. according to the T of storageC1Iner、TC2Iner、Toil_OUTWhether it is more than certain threshold values, judge that wet dual clutch transmission is
No need enter protected mode, send clutch Thermal protection state FlagCluPct it is ensured that double-clutch mechanism will not surprisingly lose efficacy；
Condition：TC1Or TC2Or Toil_OUT>=threshold values, Thermal protection state FlagCluPct is true；
TC1Or TC2Or Toil_OUT≤ threshold values, Thermal protection state FlagCluPct is false；
Termination condition：Car load and transmission system quit work or key from ignition switch extract or double-clutch speed changer from
Clutch temperature is less than and sets threshold values
Cycling condition：Car load and transmission system are in running order.
. according to the T of storageC1、TC2、Toil_OUTDetermine the coefficientoffrictionμ of clutch friction plate friction materialC1、μC2, and deposit
Storage.
Finally, program or circular flow program are terminated according to the termination condition meeting or cycling condition.
The present invention also provides a kind of device for determining wet-type dual-clutch transmission temperature, and it is true that it includes the first temperature
Cover half block, cooling oil flow determining module, second temperature determining module, heat determining module, temperature computation module and control mould
Block：
First temperature determination module determines that first clutch and the initial temperature of second clutch, cooling oil initially export temperature
Degree；
Cooling oil flow determining module determines the cooling oil flow of double clutch；
Second temperature determining module determines the cooling oil input temp of double clutch；
Heat determining module determines the heat input of described first clutch and the heat input of described second clutch；
Temperature computation module is by the initial temperature of described first clutch and described second clutch and cooling oil flow, double
The cooling oil initial input temperature of clutch and initial output temperature, the heat input of first clutch and the heat of second clutch
Amount input is applied to thermal model, and using described thermal model calculate described first clutch and second clutch Current Temperatures,
The current output temperature of cooling oil of double clutch；
Control module using through determine described first clutch and described second clutch Current Temperatures and double from
The current output temperature of cooling oil of clutch is executing control action.
First clutch is located at the outside of second clutch, the cooling oil input temp of described second clutch be described double from
The cooling oil input temp of clutch, the cooling oil input temp of described first clutch is worked as by the cooling oil of described second clutch
Front output temperature is determined, the current output temperature of cooling oil of described first clutch is currently defeated as the cooling oil of double clutch
Go out temperature.
Device also includes first clutch heat input preset module, and it is used for obtaining the heat input of first clutch,
Including the first transmitting torque determining module, the first sliding wear power determination module, the first heat input determining module and the first heat
Distribute module：
First transmitting torque determining module determines the transmitting torque of described first clutch；
First sliding wear power determination module to determine described first clutch by the transmitting torque of described first clutch
Sliding wear power；
First heat input determining module to determine described first clutch by the sliding wear power of described first clutch
Heat inputs；
The heat input of described first clutch is assigned to the first friction plate and the first steel disc by the first heat distribution module
Both sides.
Described device also includes second clutch heat input preset module, and it is defeated that it is used for obtaining the heat of second clutch
Enter, including the second transmitting torque determining module, the second sliding wear power determination module, the second heat input determining module and the second heat
Amount distribute module：
Second transmitting torque determining module determines the transmitting torque of described second clutch；
Second sliding wear power determination module to determine described second clutch by the transmitting torque of described second clutch
Sliding wear power；
Second heat input determining module to determine described second clutch by the sliding wear power of described second clutch
Heat inputs；
The heat input of described second clutch is assigned to the second friction plate and the second steel disc by the second heat distribution module
Both sides.
Described device also includes the Current Temperatures preset module of first clutch, and it is used for determining described first clutch
Current Temperatures, including the first heat energy variable quantity module, the first thermal convection current heat-energy transducer variable quantity module, the first temperature computation module and
First Current Temperatures determining module.
First heat energy variable quantity module determines that described first friction plate heat energy variable quantity, described first steel disc heat energy become respectively
The cooling oil heat energy variable quantity of change amount and described first clutch；
First thermal convection current heat-energy transducer variable quantity module determines the thermal convection current heat exchange of described first friction plate and cooling oil respectively
Energy variable quantity and the thermal convection current heat-energy transducer variable quantity of described first steel disc and cooling oil；
First temperature computation module by the heat energy variable quantity of described first friction plate, the heat energy variable quantity of the first steel disc,
The thermal convection current heat-energy transducer variable quantity of thermal convection current heat-energy transducer variable quantity, the first steel disc and cooling oil of one friction plate and cooling oil and
Calculate described first friction plate by the first temperature computation module described in the cooling oil heat energy variable quantity of first clutch to work as
Front temperature, the first steel disc Current Temperatures, the current output temperature of cooling oil of first clutch；
First Current Temperatures determining module is according to described first friction plate Current Temperatures and the first steel disc Current Temperatures Lai really
Determine the Current Temperatures of first clutch.
Described device also includes the Current Temperatures preset module of second clutch, and it is used for determining described second clutch
Current Temperatures, including the second heat energy variable quantity module, the second thermal convection current heat-energy transducer variable quantity module, second temperature computing module and
Second Current Temperatures determining module：
Second heat energy variable quantity module, it determines described second friction plate heat energy variable quantity, described second steel disc heat respectively
Energy variable quantity and the cooling oil heat energy variable quantity of described second clutch；
Second thermal convection current heat-energy transducer variable quantity module, it determines that described second friction plate and the thermal convection current of cooling oil are changed respectively
Heat energy variable quantity and the thermal convection current heat-energy transducer variable quantity of described second steel disc and cooling oil；
Second temperature computing module, its by the heat energy variable quantity of described second friction plate, the heat energy variable quantity of the second steel disc,
The thermal convection current heat-energy transducer variable quantity of the thermal convection current heat-energy transducer variable quantity, the second steel disc and cooling oil of the second friction plate and cooling oil with
And described second friction plate is calculated by second temperature computing module described in the cooling oil heat energy variable quantity of second clutch
Current Temperatures, the second steel disc Current Temperatures, the current output temperature of cooling oil of second clutch；
Second Current Temperatures determining module, its according to described second friction plate Current Temperatures and the second steel disc Current Temperatures Lai
Determine the Current Temperatures of second clutch.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement can also be made and deform, these improve and deformation is also considered as
Protection scope of the present invention.
Claims (13)
1. a kind of method for determining wet dual clutch transmission temperature is it is characterised in that comprise the following steps：
Determine initial temperature, the initial output temperature of cooling oil of first clutch and second clutch；
Determine the cooling oil flow of double clutch；
Determine the cooling oil input temp of double clutch；
Determine the heat input of described first clutch and the heat input of described second clutch；
By the initial temperature of described first clutch and described second clutch, the initial output temperature of cooling oil and double clutch
Cooling oil flow, the heat input of cooling oil initial input temperature, the heat input of described first clutch and second clutch
It is applied to thermal model, and using the Current Temperatures of the described thermal model described first clutch of calculating and second clutch, double clutch
The current output temperature of cooling oil of device；
Using the described first clutch through determining and the Current Temperatures of described second clutch and the cooling oil of double clutch
Current output temperature is executing control action.
2. the as claimed in claim 1 method being used for determining wet dual clutch transmission temperature is it is characterised in that described first
Clutch is located at the outside of described second clutch, and the cooling oil input temp of described second clutch is described double clutch
Cooling oil input temp, the cooling oil input temp of described first clutch is currently exported by the cooling oil of described second clutch
Temperature is determined, the current output temperature of cooling oil of described first clutch currently exports temperature as the cooling oil of double clutch
Degree.
3. as claimed in claim 1 or 2 it is used for determining the method for wet dual clutch transmission temperature it is characterised in that described
First clutch includes the first friction plate and the first steel disc,
The heat input of described first clutch is obtained by following steps：
Determine the transmitting torque of described first clutch；
To determine the sliding wear power of described first clutch by the transmitting torque of described first clutch；
To determine the heat input of described first clutch by the sliding wear power of described first clutch；
The heat input of described first clutch is assigned to the both sides of described first friction plate and the first steel disc.
4. as claimed in claim 1 or 2 it is used for determining the method for wet dual clutch transmission temperature it is characterised in that described
Second clutch includes the second friction plate and the second steel disc,
The heat input of described second clutch is obtained by following steps：
Determine the transmitting torque of described second clutch；
Determine the sliding wear power of described second clutch by the transmitting torque of described second clutch；
Determine the heat input of described second clutch by the sliding wear power of described second clutch；
The heat input of described second clutch is assigned to the both sides of described second friction plate and the second steel disc.
5. the as claimed in claim 3 method being used for determining wet dual clutch transmission temperature it is characterised in that
Calculate the Current Temperatures of described first clutch using described thermal model, including：
Determine the heat energy variable quantity of described first friction plate；
Determine the heat energy variable quantity of described first steel disc；
Determine the thermal convection current heat-energy transducer variable quantity of described first friction plate and cooling oil；
Determine the thermal convection current heat-energy transducer variable quantity of described first steel disc and cooling oil；
Determine the cooling oil heat energy variable quantity by described first clutch；
Heat by the heat energy variable quantity of described first friction plate, the heat energy variable quantity, the first friction plate and cooling oil of the first steel disc
The thermal convection current heat-energy transducer variable quantity of heat convection energy variable quantity, the first steel disc and cooling oil and by the cooling of first clutch
It is currently warm that oily heat energy variable quantity substitution the first relational expression, the second relational expression and the 3rd relational expression calculate described first friction plate
Degree, the current output temperature of cooling oil of the first steel disc Current Temperatures, first clutch；
Determine the Current Temperatures of first clutch according to described first friction plate Current Temperatures and the first steel disc Current Temperatures；
Wherein, described first relational expression be heat input and the heat energy variable quantity of described first friction plate of first clutch, the
The heat energy variable quantity of one steel disc and the relational expression by the cooling oil heat energy variable quantity of first clutch；Second relational expression is first
The heat input of clutch is assigned to the heat of the first friction plate side and the heat energy variable quantity and first of described first friction plate
The relational expression of the thermal convection current heat-energy transducer variable quantity of friction plate and cooling oil；3rd relational expression is the heat input point of first clutch
It is fitted on the heat of the first steel disc side to change with the thermal convection current of cooling oil with the heat energy variable quantity of described first steel disc and the first steel disc
The relational expression of heat energy variable quantity.
6. the method being used for determining wet dual clutch transmission temperature as claimed in claim 4 is it is characterised in that use described
Thermal model calculates the Current Temperatures of described second clutch, including：
Determine the heat energy variable quantity of described second friction plate；
Determine the heat energy variable quantity of described second steel disc；
Determine the thermal convection current heat-energy transducer variable quantity of described second friction plate and cooling oil；
Determine the thermal convection current heat-energy transducer variable quantity of described second steel disc and cooling oil；
Determine the cooling oil heat energy variable quantity by described second clutch；
Heat by the heat energy variable quantity of described second friction plate, the heat energy variable quantity, the second friction plate and cooling oil of the second steel disc
The thermal convection current heat-energy transducer variable quantity of heat convection energy variable quantity, the second steel disc and cooling oil and by the cooling of second clutch
Oily heat energy variable quantity substitutes into the 4th relational expression, the 5th relational expression and the 6th relational expression and calculates the current of described second friction plate
Temperature, the Current Temperatures of the second steel disc, the current output temperature of cooling oil of second clutch；
The Current Temperatures of the Current Temperatures according to described second friction plate and the second steel disc determine the current temperature of second clutch
Degree；
Wherein, described 4th relational expression be heat input and the heat energy variable quantity of described second friction plate of second clutch, the
The heat energy variable quantity of two steel discs and the relational expression by the cooling oil heat energy variable quantity of second clutch；5th relational expression is second
The heat input of clutch is assigned to the heat of the second friction plate side and the heat energy variable quantity and second of described second friction plate
The relational expression of the thermal convection current heat-energy transducer variable quantity of friction plate and cooling oil；6th relational expression is the heat input point of second clutch
It is fitted on the heat of the second steel disc side to change with the thermal convection current of cooling oil with the heat energy variable quantity of described second steel disc and the second steel disc
The relational expression of heat energy variable quantity.
7. as claimed in claim 1 or 2 it is used for determining the method for wet dual clutch transmission temperature it is characterised in that described
Using through determine described first clutch and the Current Temperatures of described second clutch and the cooling oil of double clutch current
Output temperature comprises the following steps executing control action：
Cooling oil when the Current Temperatures, the Current Temperatures of described second clutch and described double clutch of described first clutch
When having one to be more than threshold value in current output temperature three, double clutch is controlled to enter protected mode.
8. a kind of device for determining wet-type dual-clutch transmission temperature is it is characterised in that include：
First temperature determination module, it determines that first clutch and the initial temperature of second clutch, cooling oil initially export temperature
Degree；
Cooling oil flow determining module, it determines the cooling oil flow of double clutch；
Second temperature determining module, it determines the cooling oil input temp of double clutch；
Heat determining module, it determines the heat input of described first clutch and the heat input of described second clutch；
Temperature computation module, it is by the initial temperature of described first clutch and described second clutch and cooling oil flow, double
The cooling oil initial input temperature of clutch and initial output temperature, the heat input of described first clutch and second clutch
Heat input be applied to thermal model, and calculate the current temperature of described first clutch and second clutch using described thermal model
Degree, the current output temperature of cooling oil of double clutch；
Control module：It is using the described first clutch through determining and the Current Temperatures of described second clutch and double clutch
The current output temperature of cooling oil of device is executing control action.
9. the as claimed in claim 8 device being used for determining wet dual clutch transmission temperature it is characterised in that：Described first
Clutch is located at the outside of described second clutch, and the cooling oil input temp of described second clutch is the cold of described double clutch
Oily input temp, the cooling oil input temp of described first clutch currently exports temperature by the cooling oil of described second clutch
Degree is determined, the current output temperature of cooling oil of described first clutch is as the current output temperature of cooling oil of double clutch.
10. it is used for as claimed in claim 8 or 9 determining the device of wet dual clutch transmission temperature it is characterised in that described
Device also includes first clutch heat input preset module, and it is used for obtaining the heat input of first clutch, including：
First transmitting torque determining module, it determines the transmitting torque of described first clutch；
First sliding wear power determination module, it to determine the cunning of described first clutch by the transmitting torque of described first clutch
Mill power；
First heat input determining module, it to determine the heat of described first clutch by the sliding wear power of described first clutch
Amount input；
First heat distribution module, the input of the heat of described first clutch is assigned to the first friction plate and the first steel disc by it
Both sides.
11. are used for as claimed in claim 8 or 9 determining the device of wet dual clutch transmission temperature it is characterised in that described
Device also includes second clutch heat input preset module, and it is used for obtaining the heat input of second clutch, including：
Second transmitting torque determining module, it determines the transmitting torque of described second clutch；
Second sliding wear power determination module, it to determine the cunning of described second clutch by the transmitting torque of described second clutch
Mill power；
Second heat input determining module, it to determine the heat of described second clutch by the sliding wear power of described second clutch
Amount input；
Second heat distribution module, the input of the heat of described second clutch is assigned to the second friction plate and the second steel disc by it
Both sides.
The 12. as claimed in claim 10 devices being used for determining wet dual clutch transmission temperature are it is characterised in that described dress
Put the Current Temperatures preset module also including first clutch, it is used for determining the Current Temperatures of described first clutch, including：
First heat energy variable quantity module, it determines that described first friction plate heat energy variable quantity, described first steel disc heat energy become respectively
The cooling oil heat energy variable quantity of change amount and described first clutch；
First thermal convection current heat-energy transducer variable quantity module, it determines the thermal convection current heat-energy transducer of described first friction plate and cooling oil respectively
Variable quantity and the thermal convection current heat-energy transducer variable quantity of described first steel disc and cooling oil；
First temperature computation module, its by the heat energy variable quantity of described first friction plate, the heat energy variable quantity of the first steel disc, first
The thermal convection current heat-energy transducer variable quantity of thermal convection current heat-energy transducer variable quantity, the first steel disc and cooling oil of friction plate and cooling oil and leading to
Crossing first temperature computation module described in cooling oil heat energy variable quantity of first clutch, to calculate described first friction plate current
Temperature, the first steel disc Current Temperatures, the current output temperature of cooling oil of first clutch；
First Current Temperatures determining module, it determines according to described first friction plate Current Temperatures and the first steel disc Current Temperatures
The Current Temperatures of first clutch.
The 13. as claimed in claim 11 devices being used for determining wet dual clutch transmission temperature are it is characterised in that described dress
Put the Current Temperatures preset module also including second clutch, it is used for determining the Current Temperatures of described second clutch, including：
Second heat energy variable quantity module, it determines that described second friction plate heat energy variable quantity, described second steel disc heat energy become respectively
The cooling oil heat energy variable quantity of change amount and described second clutch；
Second thermal convection current heat-energy transducer variable quantity module, it determines the thermal convection current heat-energy transducer of described second friction plate and cooling oil respectively
Variable quantity and the thermal convection current heat-energy transducer variable quantity of described second steel disc and cooling oil；
Second temperature computing module, its by the heat energy variable quantity of described second friction plate, the heat energy variable quantity of the second steel disc, second
The thermal convection current heat-energy transducer variable quantity of thermal convection current heat-energy transducer variable quantity, the second steel disc and cooling oil of friction plate and cooling oil and leading to
Crossing the second temperature computing module described in cooling oil heat energy variable quantity of second clutch, to calculate described second friction plate current
Temperature, the second steel disc Current Temperatures, the current output temperature of cooling oil of second clutch；
Second Current Temperatures determining module, it determines according to described second friction plate Current Temperatures and the second steel disc Current Temperatures
The Current Temperatures of second clutch.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297855A (en) * | 2018-03-26 | 2018-07-20 | 重庆长安汽车股份有限公司 | A kind of clutch progress control method, device and dynamic coupling system |
| CN108363826A (en) * | 2017-12-25 | 2018-08-03 | 博格华纳汽车零部件(宁波)有限公司 | Wet-type dual-clutch slides rub limiting condition and cooling flow requirement analysis method |
| CN108361360A (en) * | 2018-02-13 | 2018-08-03 | 重庆长安汽车股份有限公司 | A kind of determination method and device of the clutch surface temperature of wet type DCT |
| CN110040083A (en) * | 2018-01-16 | 2019-07-23 | 宝沃汽车（中国）有限公司 | Condition detection method, device, cloud server and the vehicle of clutch oil |
| CN110953263A (en) * | 2019-12-04 | 2020-04-03 | 珠海华粤传动科技有限公司 | Control method and device based on surface temperature of wet-type double clutch |
| CN113536446A (en) * | 2020-04-16 | 2021-10-22 | 广州汽车集团股份有限公司 | Temperature rise simulation method for friction sliding, combination and separation processes of wet clutch |
| CN114715157A (en) * | 2021-01-05 | 2022-07-08 | 广州汽车集团股份有限公司 | Wet-type double-clutch temperature acquisition method and device |
| CN114941666A (en) * | 2022-04-02 | 2022-08-26 | 潍柴动力股份有限公司 | Clutch control method, device, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444348A (en) * | 1987-08-10 | 1989-02-16 | Suzuki Motor Co | Method of controlling oil pressure of continuously variable transmission |
| JPH07259895A (en) * | 1994-03-23 | 1995-10-09 | Nissan Diesel Motor Co Ltd | Wet clutch device |
| US5723779A (en) * | 1995-03-09 | 1998-03-03 | Nissan Motor Co., Ltd. | System for determining residual life of friction clutch |
| CN102777513A (en) * | 2011-05-10 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Thermal model for dry dual clutch transmissions |
| CN105276029A (en) * | 2014-06-25 | 2016-01-27 | 上海汽车集团股份有限公司 | Method and device for determining surface temperature of wet clutch |
| JP2016084083A (en) * | 2014-10-28 | 2016-05-19 | 井関農機株式会社 | Working vehicle |
-
2016
- 2016-10-24 CN CN201610938798.3A patent/CN106438761B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444348A (en) * | 1987-08-10 | 1989-02-16 | Suzuki Motor Co | Method of controlling oil pressure of continuously variable transmission |
| JPH07259895A (en) * | 1994-03-23 | 1995-10-09 | Nissan Diesel Motor Co Ltd | Wet clutch device |
| US5723779A (en) * | 1995-03-09 | 1998-03-03 | Nissan Motor Co., Ltd. | System for determining residual life of friction clutch |
| CN102777513A (en) * | 2011-05-10 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Thermal model for dry dual clutch transmissions |
| CN105276029A (en) * | 2014-06-25 | 2016-01-27 | 上海汽车集团股份有限公司 | Method and device for determining surface temperature of wet clutch |
| JP2016084083A (en) * | 2014-10-28 | 2016-05-19 | 井関農機株式会社 | Working vehicle |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363826A (en) * | 2017-12-25 | 2018-08-03 | 博格华纳汽车零部件(宁波)有限公司 | Wet-type dual-clutch slides rub limiting condition and cooling flow requirement analysis method |
| CN108363826B (en) * | 2017-12-25 | 2021-12-03 | 博格华纳汽车零部件(宁波)有限公司 | Wet-type double-clutch sliding friction limit working condition and cooling flow demand analysis method |
| CN110040083A (en) * | 2018-01-16 | 2019-07-23 | 宝沃汽车（中国）有限公司 | Condition detection method, device, cloud server and the vehicle of clutch oil |
| CN110040083B (en) * | 2018-01-16 | 2021-03-26 | 宝沃汽车（中国）有限公司 | Clutch oil state detection method and device, cloud server and vehicle |
| CN108361360A (en) * | 2018-02-13 | 2018-08-03 | 重庆长安汽车股份有限公司 | A kind of determination method and device of the clutch surface temperature of wet type DCT |
| CN108297855A (en) * | 2018-03-26 | 2018-07-20 | 重庆长安汽车股份有限公司 | A kind of clutch progress control method, device and dynamic coupling system |
| CN108297855B (en) * | 2018-03-26 | 2020-08-07 | 重庆长安汽车股份有限公司 | Clutch operation control method and device and power coupling system |
| CN110953263A (en) * | 2019-12-04 | 2020-04-03 | 珠海华粤传动科技有限公司 | Control method and device based on surface temperature of wet-type double clutch |
| CN110953263B (en) * | 2019-12-04 | 2021-08-31 | 珠海华粤传动科技有限公司 | Control method and device based on surface temperature of wet-type double clutch |
| CN113536446A (en) * | 2020-04-16 | 2021-10-22 | 广州汽车集团股份有限公司 | Temperature rise simulation method for friction sliding, combination and separation processes of wet clutch |
| CN114715157A (en) * | 2021-01-05 | 2022-07-08 | 广州汽车集团股份有限公司 | Wet-type double-clutch temperature acquisition method and device |
| CN114941666A (en) * | 2022-04-02 | 2022-08-26 | 潍柴动力股份有限公司 | Clutch control method, device, electronic equipment and storage medium |
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