CN104847810A - Vehicle clutch starting control device and control method and vehicle - Google Patents
Vehicle clutch starting control device and control method and vehicle Download PDFInfo
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- CN104847810A CN104847810A CN201410802478.6A CN201410802478A CN104847810A CN 104847810 A CN104847810 A CN 104847810A CN 201410802478 A CN201410802478 A CN 201410802478A CN 104847810 A CN104847810 A CN 104847810A
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Abstract
The invention discloses a vehicle clutch starting control device and control method and a vehicle. The control device comprises a signal detection unit (1) which is used for collecting pedal displacement and pedal falling speed of an accelerator pedal of the vehicle and vehicle starting conditions and a fuzzy control unit (2) which is connected with the signal detection unit (1) and used for determining and exerting the pressure for controlling the combination of an oil cylinder with a clutch by adopting a fuzzy control algorithm according to the pedal displacement, the pedal falling speed and the vehicle starting conditions. The vehicle clutch starting control device can meet different starting conditions and driving demands and improve the control accuracy.
Description
Technical field
The present invention relates to the speed Control in Vehicle Engineering, particularly, relate to a kind of vehicular clutch start control device, controlling method and vehicle.
Background technique
It is one of key technology of CVT control system that continuously variable transmission of vehicle (Continuously Variable Transmission, CVT) start clutch controls.
And existing stepless speed variator start clutch mainly contains fluid torque converter, multi-disc wet clutch and magnetic clutch.Fluid torque converter can make vehicle obtain good starting performance, but due to complex structure, expensive, safeguard that the shortcomings such as inconvenience constrain it and further develop.Along with electronic technology development, each production firm tends to multi-disc wet clutch and the magnetic clutch start clutch as vehicle.But in order to realize quick and smooth-going starting characteristic, the cohesive process of accurate solenoidoperated cluthes and motor is very crucial.
Generally use proportional controlling means at present.But this controlling method is along with vehicle start road conditions (such as climb and fall, bend, wet-skid road surface etc.) are different and driver's operation intention change at random, vehicle starting requirement under various conditions can not be met very well, and starting is with phenomenons such as impacts, vehicle drive travelling comfort is reduced greatly, not easily realize the accurate control to stepless speed variator starting, control accuracy is lower simultaneously.
Summary of the invention
The object of this invention is to provide a kind of vehicular clutch start control device, controlling method and vehicle, different starting condition and driving demand can be met, improve control accuracy.
To achieve these goals, the invention provides a kind of vehicular clutch start control device, described control gear comprises: detecting signal unit, for the pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition; And fuzzy control unit, connect described detecting signal unit, for according to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
Preferably, described fuzzy control unit comprises: starting pressure determination module, is connected with described detecting signal unit, for the starting pressure according to described pedal displacement, pedal rate of descent and starting condition determination oil cylinder; Fuzzy quantization module, is connected with described detecting signal unit, for using described pedal displacement and pedal rate of descent as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement and the Indistinct Input amount of pedal rate of descent respectively by fuzzy quantization; Fuzzy reasoning module, with described fuzzy quantization model calling, for carrying out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of pedal rate of descent the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment according to fuzzy rule; Fuzzy judgment module, with described fuzzy reasoning model calling, for carrying out fuzzy judgment to the fuzzy output amount of described oil cylinder working-pressure increment, obtains the fuzzy control output quantity of oil cylinder working-pressure increment; And oil cylinder working-pressure determination module, connecting described starting pressure determination module, fuzzy judgment module respectively, for being added with the fuzzy control output quantity of oil cylinder working-pressure increment by described starting pressure, determining the first pressure of oil cylinder.
Preferably, described detecting signal unit is also for detecting engine speed; Described fuzzy quantization module also for using described engine speed as fuzzy control input quantity, obtain the Indistinct Input amount of engine speed by fuzzy quantization; Described fuzzy reasoning module is also for carrying out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of engine speed the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity according to fuzzy rule; Described fuzzy judgment module, also for carrying out fuzzy judgment to the fuzzy output amount of oil cylinder working-pressure variable quantity, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity; Described oil cylinder working-pressure determination module also for the fuzzy control output quantity of described first pressure with described oil cylinder working-pressure variable quantity being added, determines the second pressure of oil cylinder.
Preferably, described fuzzy control unit also comprises: comparison module, connect described detecting signal unit, fuzzy reasoning module and oil cylinder working-pressure determination module respectively, for the clutch of comparison engine rotating speed and setting in conjunction with the size of the limit speed of rotating speed and setting; Wherein, if the clutch of engine speed < setting is in conjunction with rotating speed, then controls the fuzzy output amount that described fuzzy reasoning module determines described oil cylinder working-pressure increment, make the first pressure of described oil cylinder working-pressure determination module output cylinder; If the clutch of setting in conjunction with the limit speed of rotating speed≤engine speed≤setting, then controls the fuzzy output amount that described fuzzy reasoning module determines described oil cylinder working-pressure variable quantity, makes the second pressure of described oil cylinder working-pressure determination module output cylinder; If the limit speed of engine speed > setting, then control the oil cylinder working-pressure that described oil cylinder working-pressure determination module exports setting.
Another kind of technological scheme provided by the invention: a kind of vehicular clutch starting controlling method, described controlling method comprises: the pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition; According to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
Preferably, the defining method of the pressure of described oil cylinder comprises: according to the starting pressure of described pedal displacement, pedal rate of descent and starting condition determination oil cylinder; Using described pedal displacement and pedal rate of descent as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement and the Indistinct Input amount of pedal rate of descent by fuzzy quantization; According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of pedal rate of descent; Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure increment, obtains the fuzzy control output quantity of oil cylinder working-pressure increment; The fuzzy control output quantity of described starting pressure, oil cylinder working-pressure increment is added, determines the first pressure of oil cylinder.
Preferably, described controlling method also comprises: gather engine speed; Using described engine speed as fuzzy control input quantity, obtained the Indistinct Input amount of engine speed by fuzzy quantization; According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of engine speed; Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure variable quantity, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity; Oil cylinder working-pressure variable quantity fuzzy control output quantity is added with described first pressure, determines the second pressure of oil cylinder.
Preferably, described controlling method also comprises: the clutch of comparison engine rotating speed and setting is in conjunction with the size of the limit speed of rotating speed and setting; Wherein, if the clutch of engine speed < setting is in conjunction with rotating speed, then the fuzzy output amount determining oil cylinder working-pressure increment is controlled, the first pressure of output cylinder; If the clutch of setting is in conjunction with the limit speed of rotating speed≤engine speed≤setting, then control the fuzzy output amount determining oil cylinder working-pressure variable quantity, the second pressure of output cylinder; If the limit speed of engine speed > setting, then control the oil cylinder working-pressure exporting setting.
Preferably, the fuzzy language value of described pedal displacement, pedal rate of descent, engine speed, oil cylinder working-pressure increment and oil cylinder working-pressure variable quantity is respectively: { LO, LS, LM, LB}, { dLO, dLS, dLM, dLB}, { NeO, NeS, NeM, NeB}, { dPO, dPS, dPM, dPB}, { dFO, dFS, dFM, dFB}.
Another technological scheme provided by the invention: a kind of vehicle comprising above-mentioned vehicular clutch start control device.
Vehicular clutch start control device of the present invention, controlling method and vehicle can according to the pedal displacement of the gas pedal of vehicle, pedal rate of descent and vehicle start conditions, determine the pressure of oil cylinder, the cohesive process of accurate solenoidoperated cluthes, improve control accuracy, different starting conditions and driving demand can be met.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of vehicular clutch start control device of the present invention;
Fig. 2 is the structural representation of fuzzy control unit in the present invention;
Fig. 3 is the flow chart of vehicular clutch of the present invention starting controlling method;
Fig. 4 is the fuzzy reasoning table of oil cylinder working-pressure increment of the present invention;
Fig. 5 is the fuzzy reasoning table of oil cylinder working-pressure variable quantity of the present invention.
Description of reference numerals
1 detecting signal unit 2 fuzzy control unit
21 starting pressure determination module 22 fuzzy quantization modules
23 fuzzy reasoning module 24 fuzzy judgment modules
25 oil cylinder working-pressure determination module 26 comparison modules.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As shown in Figure 1, vehicular clutch start control device of the present invention comprises: detecting signal unit 1, for the pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition; And fuzzy control unit 2, connect described detecting signal unit 1, for according to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
Vehicular clutch start control device of the present invention can according to the pedal displacement of the gas pedal of vehicle, pedal rate of descent and vehicle start condition, determine the pressure of oil cylinder, thus the process of accurately solenoidoperated cluthes combination, improve control accuracy, different starting conditions and driving demand can be met.
As shown in Figure 2, described fuzzy control unit 2 comprises: starting pressure determination module 21, is connected with described detecting signal unit 1, for the starting pressure F according to described pedal displacement L, pedal rate of descent dL and starting condition determination oil cylinder
0(wherein, start to walk pressure F
0for fixed value); Fuzzy quantization module 22, be connected with described detecting signal unit 1, for using described pedal displacement L, pedal rate of descent dL as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement and the Indistinct Input amount of pedal rate of descent respectively by fuzzy quantization; Fuzzy reasoning module 23, is connected with described fuzzy quantization module 22, for carrying out to the Indistinct Input amount of described pedal displacement L and the Indistinct Input amount of pedal rate of descent dL the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment dP according to fuzzy rule; Fuzzy judgment module 24, is connected with described fuzzy reasoning module 23, for carrying out fuzzy judgment to the fuzzy output amount of described oil cylinder working-pressure increment dP, obtains the fuzzy control output quantity of oil cylinder working-pressure increment dP; And oil cylinder working-pressure determination module 25, connect described starting pressure determination module 21, fuzzy judgment module 24 respectively, for by described starting pressure F
0be added with the fuzzy control output quantity of oil cylinder working-pressure increment dP, determine the first pressure F of oil cylinder
1.
Described detecting signal unit 1 is also for detecting engine speed Ne; Described fuzzy quantization module 22 also for using described engine speed Ne as fuzzy control input quantity, obtain the Indistinct Input amount of engine speed Ne by fuzzy quantization; Described fuzzy reasoning module 23 is also for carrying out to the Indistinct Input amount of described pedal displacement L and the Indistinct Input amount of engine speed Ne the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity dF according to fuzzy rule; Described fuzzy judgment module 24, also for carrying out fuzzy judgment to the fuzzy output amount of oil cylinder working-pressure variable quantity dF, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity dF; Described oil cylinder working-pressure determination module 25 is also for by described first pressure F
1be added with the fuzzy control output quantity of described oil cylinder working-pressure variable quantity dF, determine the second pressure F of oil cylinder
2.
Shown in Fig. 2, described fuzzy control unit 2 also comprises: comparison module 26, connect described detecting signal unit 1, fuzzy reasoning module 23 and oil cylinder working-pressure determination module 25 respectively, for the clutch of comparison engine rotating speed and setting in conjunction with the size of the limit speed of rotating speed and setting; Wherein, if the clutch of engine speed < setting is in conjunction with rotating speed, then controls the fuzzy output amount that described fuzzy reasoning module 23 determines described oil cylinder working-pressure increment dP, make the first pressure F of described oil cylinder working-pressure determination module 25 output cylinder
1.If the clutch of setting in conjunction with the limit speed of rotating speed≤engine speed≤setting, then controls the fuzzy output amount that described fuzzy reasoning module 23 determines described oil cylinder working-pressure variable quantity dF, makes the second pressure F of described oil cylinder working-pressure determination module 25 output cylinder
2; If the limit speed of engine speed > setting, then control the oil cylinder working-pressure that described oil cylinder working-pressure determination module 25 exports setting.
Wherein, the clutch of described setting can be arranged as required in conjunction with the limit speed of rotating speed, setting and the oil cylinder working-pressure of setting.The limit speed of described setting can be 2000r/min, but not as limit.
Wherein, the fuzzy language value in described fuzzy quantization module 22 is respectively: pedal displacement LO (zero), LS (little), LM (in), LB (greatly) }; Pedal rate of descent: dLO (zero), dLS (little), dLM (in), dLB (greatly) }; Engine speed: NeO (zero), NeS (little), NeM (in), NeB (greatly) }.
Described fuzzy reasoning module 23 can determine the fuzzy output amount of oil cylinder working-pressure increment and the fuzzy output amount of oil cylinder working-pressure variable quantity respectively according to the Indistinct Input amount of pedal displacement L, pedal rate of descent dL and engine speed Ne and fuzzy reasoning table as shown in Figure 4 and Figure 5.
Such as, according to Fig. 4, when the Indistinct Input amount of pedal displacement is LM, when the Indistinct Input amount of pedal rate of descent is dLS, the fuzzy output amount of corresponding oil cylinder working-pressure increment is dPM.
Described detecting signal unit 1 in vehicular clutch start control device of the present invention comprises: displacement detection module, for detecting the pedal displacement of the gas pedal of vehicle; Velocity measuring module, for detecting the pedal rate of descent of the gas pedal of vehicle; Rotating speed measring module, for detecting engine speed; And starting testing module, for detecting vehicle start condition.Described starting condition comprises traveling road conditions and vehicle condition, and wherein, described traveling road conditions can be upward slope, descending, bend or road surface slippery situation etc.
Wherein, each testing module all can be existing sensor in vehicle, and not needing increases new detection facility in addition, and can reduce cost of production, the vehicle structure comprising vehicular clutch start control device of the present invention can be made compact, minimizing takes up room simultaneously.
Vehicular clutch start control device of the present invention, by the fuzzy control in two stages, accurately can obtain the pressure of oil cylinder, improve the control accuracy to clutch cohesive process.
Vehicular clutch of the present invention starting controlling method comprises: the pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition; According to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
The defining method of the pressure of described oil cylinder comprises: according to the starting pressure F of described pedal displacement L, pedal rate of descent dL and vehicle start condition determination oil cylinder
0; Using described pedal displacement L and pedal rate of descent dL as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement L and the Indistinct Input amount of pedal rate of descent dL by fuzzy quantization; According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment dP is carried out to the Indistinct Input amount of described pedal displacement L and the Indistinct Input amount of pedal rate of descent dL; Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure increment dP, obtains the fuzzy control output quantity of oil cylinder working-pressure increment dP; By described starting pressure F
0, oil cylinder working-pressure increment dP fuzzy control output quantity be added, determine the first pressure F of oil cylinder
1.
Wherein, described starting pressure F
0for fixed value.Described controlling method also comprises: gather engine speed Ne; Using described engine speed Ne as fuzzy control input quantity, obtained the Indistinct Input amount of engine speed Ne by fuzzy quantization; According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity dF is carried out to the Indistinct Input amount of described pedal displacement L and the Indistinct Input amount of engine speed Ne; Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure variable quantity dF, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity dF; By the fuzzy control output quantity of oil cylinder working-pressure variable quantity dF and described first pressure F
1be added, determine the second pressure F of oil cylinder
2.
Described controlling method also comprises: the clutch of comparison engine rotating speed and setting is in conjunction with the size of the limit speed of rotating speed and setting; Wherein, if the clutch of engine speed < setting is in conjunction with rotating speed, then the fuzzy output amount determining oil cylinder working-pressure increment dP is controlled, the first pressure F of output cylinder
1; If the clutch of setting is in conjunction with the limit speed of rotating speed≤engine speed≤setting, then control the fuzzy output amount determining oil cylinder working-pressure variable quantity dF, the second pressure F of output cylinder
2; If the limit speed of engine speed > setting, then control the oil cylinder working-pressure exporting setting.
Wherein, the limit speed of setting can be 2000r/min, when engine speed rises to 2000r/min, now by the maximum value (oil cylinder working-pressure that namely set) of the pressure adjusting of described oil cylinder to correspondence, controls to terminate.
The fuzzy language value of described pedal displacement, pedal rate of descent, engine speed, oil cylinder working-pressure increment and oil cylinder working-pressure variable quantity is respectively: { LO, LS, LM, LB}, { dLO, dLS, dLM, dLB}, { NeO, NeS, NeM, NeB}, { dPO, dPS, dPM, dPB}, { dFO, dFS, dFM, dFB}.After fuzzy quantization, described pedal displacement, pedal rate of descent and engine speed fuzzy control input quantity become Indistinct Input amount (precise volume becomes fuzzy quantity).After fuzzy judgment, described oil cylinder working-pressure increment and oil cylinder working-pressure variable quantity are fuzzy control output quantity (fuzzy quantity becomes precise volume) from fuzzy output quantitative change, by Matlab/Simulink software simulating.
Vehicular clutch starting controlling method of the present invention is divided into two stages in control procedure, accurately obtains oil cylinder working-pressure, can improve the validity of control respectively by fuzzy rule.
Figure 3 shows that an embodiment of vehicular clutch of the present invention starting controlling method, its concrete steps comprise: the pedal displacement of the gas pedal of collection vehicle, rate of descent, engine speed and vehicle start condition.According to the starting pressure of described pedal displacement, pedal rate of descent and vehicle start condition determination oil cylinder.Using described pedal displacement, pedal rate of descent and engine speed as fuzzy control input quantity, obtain corresponding Indistinct Input amount respectively by fuzzy quantization.The size of the clutch rotational speed of comparison engine rotating speed and setting and the limit speed (2000r/min) of setting: (1) is when the clutch rotational speed that engine speed < sets, according to fuzzy control rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of pedal rate of descent; Described starting pressure, oil cylinder working-pressure increment are added, determine the first pressure of oil cylinder.(2) when the clutch set is in conjunction with rotating speed≤engine speed≤2000r/min, according to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of engine speed; Fuzzy set is carried out to the fuzzy output amount of described oil cylinder working-pressure variable quantity, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity; The fuzzy control output quantity of oil cylinder working-pressure variable quantity is added with described first pressure, determines the second pressure of oil cylinder.(3) as engine speed >2000r/min, control the oil cylinder working-pressure exporting setting, control to terminate.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a vehicular clutch start control device, is characterized in that, described control gear comprises:
Detecting signal unit (1), for the pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition; And
Fuzzy control unit (2), connect described detecting signal unit (1), for according to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
2. vehicular clutch start control device according to claim 1, is characterized in that, described fuzzy control unit (2) comprising:
Starting pressure determination module (21), is connected with described detecting signal unit (1), for the starting pressure according to described pedal displacement, pedal rate of descent and starting condition determination oil cylinder;
Fuzzy quantization module (22), be connected with described detecting signal unit (1), for using described pedal displacement and pedal rate of descent as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement and the Indistinct Input amount of pedal rate of descent respectively by fuzzy quantization;
Fuzzy reasoning module (23), be connected with described fuzzy quantization module (22), for carrying out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of pedal rate of descent the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment according to fuzzy rule;
Fuzzy judgment module (24), is connected with described fuzzy reasoning module (23), for carrying out fuzzy judgment to the fuzzy output amount of described oil cylinder working-pressure increment, obtains the fuzzy control output quantity of oil cylinder working-pressure increment; And
Oil cylinder working-pressure determination module (25), connect described starting pressure determination module (21), fuzzy judgment module (24) respectively, for being added with the fuzzy control output quantity of oil cylinder working-pressure increment by described starting pressure, determine the first pressure of oil cylinder.
3. vehicular clutch start control device according to claim 2, is characterized in that,
Described detecting signal unit (1) is also for detecting engine speed;
Described fuzzy quantization module (22) also for using described engine speed as fuzzy control input quantity, obtain the Indistinct Input amount of engine speed by fuzzy quantization;
Described fuzzy reasoning module (23) is also for carrying out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of engine speed the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity according to fuzzy rule;
Described fuzzy judgment module (24), also for carrying out fuzzy judgment to the fuzzy output amount of oil cylinder working-pressure variable quantity, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity;
Described oil cylinder working-pressure determination module (25) also for the fuzzy control output quantity of described first pressure with described oil cylinder working-pressure variable quantity being added, determines the second pressure of oil cylinder.
4. vehicular clutch start control device according to claim 3, is characterized in that, described fuzzy control unit (2) also comprises:
Comparison module (26), connect described detecting signal unit (1), fuzzy reasoning module (23) and oil cylinder working-pressure determination module (25) respectively, for the clutch of comparison engine rotating speed and setting in conjunction with the size of the limit speed of rotating speed and setting; Wherein,
If the clutch of engine speed < setting is in conjunction with rotating speed, then control the fuzzy output amount that described fuzzy reasoning module (23) determines described oil cylinder working-pressure increment, make the first pressure of described oil cylinder working-pressure determination module (25) output cylinder;
If the clutch of setting is in conjunction with the limit speed of rotating speed≤engine speed≤setting, then control the fuzzy output amount that described fuzzy reasoning module (23) determines described oil cylinder working-pressure variable quantity, make the second pressure of described oil cylinder working-pressure determination module (25) output cylinder;
If the limit speed of engine speed > setting, then control the oil cylinder working-pressure that described oil cylinder working-pressure determination module (25) exports setting.
5. a vehicular clutch starting controlling method, it is characterized in that, described controlling method comprises:
The pedal displacement of the gas pedal of collection vehicle, pedal rate of descent and vehicle start condition;
According to described pedal displacement, pedal rate of descent and vehicle start condition, adopt FUZZY ALGORITHMS FOR CONTROL to determine and be applied for the pressure of the oil cylinder that solenoidoperated cluthes combine.
6. vehicular clutch starting controlling method according to claim 5, it is characterized in that, the defining method of the pressure of described oil cylinder comprises:
According to the starting pressure of described pedal displacement, pedal rate of descent and starting condition determination oil cylinder;
Using described pedal displacement and pedal rate of descent as fuzzy control input quantity, obtain the Indistinct Input amount of pedal displacement and the Indistinct Input amount of pedal rate of descent by fuzzy quantization;
According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure increment is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of pedal rate of descent;
Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure increment, obtains the fuzzy control output quantity of oil cylinder working-pressure increment;
The fuzzy control output quantity of described starting pressure, oil cylinder working-pressure increment is added, determines the first pressure of oil cylinder.
7. vehicular clutch starting controlling method according to claim 6, it is characterized in that, described controlling method also comprises:
Gather engine speed;
Using described engine speed as fuzzy control input quantity, obtained the Indistinct Input amount of engine speed by fuzzy quantization;
According to fuzzy rule, the fuzzy output amount that fuzzy reasoning obtains oil cylinder working-pressure variable quantity is carried out to the Indistinct Input amount of described pedal displacement and the Indistinct Input amount of engine speed;
Fuzzy judgment is carried out to the fuzzy output amount of described oil cylinder working-pressure variable quantity, obtains the fuzzy control output quantity of oil cylinder working-pressure variable quantity;
Oil cylinder working-pressure variable quantity fuzzy control output quantity is added with described first pressure, determines the second pressure of oil cylinder.
8. vehicular clutch starting controlling method according to claim 7, it is characterized in that, described controlling method also comprises:
The clutch of comparison engine rotating speed and setting is in conjunction with the size of the limit speed of rotating speed and setting; Wherein,
If the clutch of engine speed < setting is in conjunction with rotating speed, then control the fuzzy output amount determining oil cylinder working-pressure increment, the first pressure of output cylinder;
If the clutch of setting is in conjunction with the limit speed of rotating speed≤engine speed≤setting, then control the fuzzy output amount determining oil cylinder working-pressure variable quantity, the second pressure of output cylinder;
If the limit speed of engine speed > setting, then control the oil cylinder working-pressure exporting setting.
9. the vehicular clutch starting controlling method according to claim 7 or 8, it is characterized in that, the fuzzy language value of described pedal displacement, pedal rate of descent, engine speed, oil cylinder working-pressure increment and oil cylinder working-pressure variable quantity is respectively: { LO, LS, LM, LB}, { dLO, dLS, dLM, dLB}, { NeO, NeS, NeM, NeB}, { dPO, dPS, dPM, dPB}, { dFO, dFS, dFM, dFB}.
10. one kind comprises the vehicle of the vehicular clutch start control device according to any one of claim 1-4.
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| CN106560638A (en) * | 2015-10-02 | 2017-04-12 | 现代自动车株式会社 | Launch Control Method For Vehicle |
| CN110356417A (en) * | 2019-06-18 | 2019-10-22 | 吉林大学青岛汽车研究院 | A kind of no pedal automatic driving vehicle method for starting and device |
| CN111059269A (en) * | 2019-11-20 | 2020-04-24 | 中国第一汽车股份有限公司 | Self-adaptive control method for starting of wet-type double-clutch automatic transmission and vehicle |
| CN112208330A (en) * | 2020-09-24 | 2021-01-12 | 中国第一汽车股份有限公司 | Starting control method and device of wet double clutch, electronic equipment and vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560638A (en) * | 2015-10-02 | 2017-04-12 | 现代自动车株式会社 | Launch Control Method For Vehicle |
| CN110356417A (en) * | 2019-06-18 | 2019-10-22 | 吉林大学青岛汽车研究院 | A kind of no pedal automatic driving vehicle method for starting and device |
| CN111059269A (en) * | 2019-11-20 | 2020-04-24 | 中国第一汽车股份有限公司 | Self-adaptive control method for starting of wet-type double-clutch automatic transmission and vehicle |
| CN111059269B (en) * | 2019-11-20 | 2021-07-27 | 中国第一汽车股份有限公司 | Self-adaptive control method for starting of wet-type double-clutch automatic transmission and vehicle |
| CN112208330A (en) * | 2020-09-24 | 2021-01-12 | 中国第一汽车股份有限公司 | Starting control method and device of wet double clutch, electronic equipment and vehicle |
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