CN105587851B - The double disengaging type speed changer starting control methods of the speed of wet type six - Google Patents

The double disengaging type speed changer starting control methods of the speed of wet type six Download PDF

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Publication number
CN105587851B
CN105587851B CN201610024475.3A CN201610024475A CN105587851B CN 105587851 B CN105587851 B CN 105587851B CN 201610024475 A CN201610024475 A CN 201610024475A CN 105587851 B CN105587851 B CN 105587851B
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speed
gear
engine
target
odd number
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CN105587851A (en
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彭耀润
宋勇道
唐莹
李育
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Shanghai Automobile Gear Works
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Shanghai Automobile Gear Works
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/56—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/74—Inputs being a function of engine parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

A kind of double disengaging type speed changer starting control methods of the speed of wet type six, by the way that under starting operating mode, according to target gear, target gear travelling gear engagement situation, whether target gear synchronizer moves judgement using a gear or the normal starting of two gears；When two gear one gears of drop is met in the two normal starting-up processes of gear, the clutch switching control that the gear of two gear drop one in starting-up process is started to walk and proposed after downshift is realized.The present invention can carry out gear switching in the two normal starting-up processes of gear and be down to dammed up step, can reduce the sliding wear of clutch, and fast starting improves the starting acceleration performance of vehicle.

Description

The double disengaging type speed changer starting control methods of the speed of wet type six
Technical field
The present invention relates to a kind of technology in speed changer field, specifically a kind of double disengaging type speed changers of the speed of wet type six rise Walk control method.
Background technology
The control targe for carrying clutch in DCT Vehicle Starting Process is driving intention according to driver, control from The driving and driven end of clutch is smoothly engaged, it is ensured that vehicle gentle start, reduces the sliding wear of clutch, and to ensure that engine is steady Fixed operating, prevents engine speed from having larger fluctuation, causes engine to shake.Starting control is that dual clutch transmission is closed One of key technology, should ensure the performance of vehicle, it is also desirable to respond the driving intention of driver well.
Carrying DCT vehicle start strategy at present has using dammed up step or two dammed ups step, but rarely in starting-up process It is middle control odd number, the switching of even number clutch, realize after downshift start to walk, do not propose yet start to walk operating mode under two gear drop one gear from Clutch control method.The operating mode of vehicle start has a variety of, when driver is unclamped after gas pedal with two gear crawling travelings, if now Driver steps on the throttle pedal deeply, and the rotating speed of engine can rapid increase, and even number Clutch input shaft and hair where two gears The speed discrepancy of motivation is larger, and because speed discrepancy is big when two dammed ups are walked, the clutch sliding wear time is long, and starting is slow, does not timely respond to The driving intention of driver, realizes fast starting.Odd number Clutch input shaft rotating speed where one gear is differed with engine speed It is small, realize that two gears are down to dammed up step, the sliding wear of starting-up process clutch can be reduced, starting-up process clutch is more beneficial for It is quick to combine, starting is completed, is started to walk while stepping on large throttle and rising to step back down to after a gear, is enabled the vehicle to obtain larger driving force, carry The starting performance of high vehicle, the driving intention of quick response driver.
By the retrieval discovery to prior art, Chinese patent literature CN101978188A, open (bulletin) day 2011.02.16, a kind of start control device of Dual-clutch transmission for vehicle is disclosed, the technology is carrying double clutches During the goods vehicle start of device formula speed changer, the swimmingly starting of 2 speed gear is carried out in the normal state, it is rapid on upward trend etc. Ground switches to 1 speed gear to start to walk.In goods vehicle start, first, 2 input shafts of dual clutch transmission are set as changing Gear is to 1 speed gear and the state of 2 speed gear, in this case, makes the connection amount increasing for the friction clutch that the gear train with 2 speed gear is connected Plus, carry out 2 dammed up steps.After the stipulated time, accelerator opening and speed etc. are detected, judges that driving force is excessive still not Foot, when there is not driving force deficiency, continues through the starting of 2 speed gear, vehicle is accelerated rapidly.Judging that driving force is not enough When, the friction clutch being connected with the gear train of 1 speed gear is connected immediately.Due to shifting to the gear train of 1 speed gear in advance, so becoming Fast device turns into the state after downshift in a short time, and the uncertain feelings such as vehicle rollback can be also avoided even in upward trend Condition.But the technology can not optimize control when a dammed up is walked.
The content of the invention
The present invention is directed to deficiencies of the prior art, proposes a kind of double disengaging type speed changer starting controls of speed of wet type six Method processed, can carry out gear switching in the two normal starting-up processes of gear and be down to dammed up step, can reduce the sliding wear of clutch, soon Speed starting, improves the starting acceleration performance of vehicle.
The present invention is achieved by the following technical solutions：
The present invention is under starting operating mode, and according to target gear, target gear travelling gear engagement situation, target gear is synchronous Whether device moves judgement using a gear or the normal starting of two gears；When two gear one gears of drop is met in the two normal starting-up processes of gear, realize The clutch switching control of the gear of two gear drop one in starting-up process is started to walk and proposed after downshift.
The present invention specifically includes following steps：
A) start to walk condition judgment：TCU is big according to engine ignition switch position, brake condition, shift lever position, speed Small, gas pedal aperture determines whether to meet starting condition；
B) starting mode judges：The target gear determined according to gas pedal aperture and speed, shift fork position sensor Information determines whether target gear travelling gear engages, and whether target gear synchronizer, which moves, judges a gear or normal of two gears Step；
C) enter after a normal starting mode of gear, control the electric current of odd number clutch solenoid valve, follow engine speed Engine target rotating speed；
D) enter after the two normal starting modes of gear, control the electric current of even number clutch solenoid valve, follow engine speed Engine target rotating speed；
E) under the two normal starting modes of gear, whether engaged according to target gear, target gear travelling gear, target gear it is same Whether step device moves, whether preliminary filling completes to judge whether to meet two gear one blend stop parts of drop even number clutch；
F) enter after two gear one gear patterns of drop, while controlling odd number, the electric current of even number clutch solenoid valve so that odd number, Even number clutch is switched in order, and the condition judgment normally started to walk according to a gear or two gears during the gear of two gear drop one is It is no to jump to a gear or the two normal starting modes of gear；
G) two gears are down to after a gear, into a normal starting mode of gear, are controlled according to the control method that a gear is normally started to walk The electric current of odd number clutch solenoid valve, makes engine speed follow engine target rotating speed.
Technique effect
Compared with prior art, technique effect of the invention includes：
1) according to target gear, target gear travelling gear engagement situation, whether target gear synchronizer, which moves, judges Under step mode, a gear or the two normal starting modes of gear, according to engine target rotating speed and actual speed situation, to clutch electromagnetism The electric current of valve carries out closed-loop control, makes starting-up process engine speed fluctuations small, vehicle gentle start.
2) under two dammed up step modes, target gear is a gear, and a gear travelling gear is engaged, and a gear synchronizer is not moved, even When number clutch preliminary filling is completed, the gear strategy of two gear drop one is performed, control odd number, even number clutch switch in order, reduce sliding wear, soon Speed starting, meanwhile, it can enable the vehicle to obtain larger driving force, improve the starting performance of vehicle, sufficiently respond to driving for driver Sail intention.
Brief description of the drawings
Fig. 1 is flow chart of the present invention；
Fig. 2 is that embodiment one keeps off normal starting control principle schematic diagram；
Fig. 3 is that embodiment two keeps off normal starting control principle schematic diagram；
Fig. 4 is that the embodiment starting gear of operating mode two drop one keeps off clutch switching control principle schematic；
In figure：A is flow chart top half, and b is flow chart the latter half；
Fig. 5 and Fig. 6 is effect diagram of the embodiment of the present invention.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations Example.
Embodiment 1
As shown in figure 1, being the speed double-clutch formula speed changer of the wet type six starting control flow chart described in the present embodiment, this reality Applying a specific steps includes：
Step a, TCU are according to engine ignition switch position, brake condition, shift lever position, speed size, gas pedal Aperture determines whether to meet starting condition, is specially：Ignition key position is started, shift lever position, speed, gas pedal are opened Degree, the signal of Brake lamp come from entire car controller.Brake condition judges that braking modulating signal is 1 according to Brake lamp signal message Braking is represented, braking modulating signal is 0 expression brakeless.When detect and meanwhile meet engine ignition switch be in ON positions, change Pin position is that non-P is kept off or N gears, brakeless, speed are big less than based on the table look-up threshold values of setting, gas pedal aperture of actual gear When the threshold values of setting, judgement meets starting condition, otherwise without the clutch control under starting mode.
The threshold values of described setting of being tabled look-up based on actual gear, be specially：The preferred speed threshold values 11km/h of one gear, two gears are excellent Select speed threshold values 14km/h.
Described engine throttle pedal aperture is more than preferred threshold values 0.5%.
Step b, starting mode judges：The target gear determined according to gas pedal aperture and speed, according to shift fork position The information of sensor determines whether target gear travelling gear engages, whether moved according to target gear synchronizer judge one gear or The two normal starting modes of gear, be specially：Target gear carries out determination of tabling look-up by gas pedal aperture and speed；Passed from shift fork position The position of the acquisition of information synchronizer of sensor, and then determine whether target gear travelling gear engages and target gear synchronizer is It is no also in movement：Do not move, then judged for a gear, a gear meshing gear engagement, a gear synchronizer when meeting target gear simultaneously For the normal starting of a gear；Do not moved for two gears, two gear meshing gear engagements, two gear synchronizers when meeting target gear simultaneously, then It is judged as that two gears are normally started to walk.
Step c, when being judged as that entering one keeps off normal starting mode in stepb, control odd number clutch solenoid valve Electric current, makes engine speed follow engine target rotating speed, until starting is completed, as shown in Fig. 2 specifically including following steps：
C1, tables look-up according to gas pedal aperture and obtains the reference rotation velocity of engine, and the reality of collection engine turns in real time Speed；When actual engine speed is less than reference rotation velocity, using reference rotation velocity as the rotating speed of target of engine；Turn when engine is actual When speed is more than reference rotation velocity, defines actual engine speed and gradually successively decrease and be transitioned into the rotating speed of reference rotation velocity and be used as the mesh of engine Mark rotating speed.Calculate engine target rotating speed and the speed discrepancy of actual speed；
C2, obtains proportionality coefficient and integral coefficient according to speed discrepancy and gas pedal aperture, will be based on gas pedal aperture As proportional term value after the correction factor amendment speed discrepancy of acquisition and the product of proportionality coefficient of being tabled look-up with speed, it will be stepped on based on throttle Plate aperture and speed table look-up the correction factor amendment speed discrepancy of acquisition and the product of integral coefficient as integration entry value, and acquisition is started The net moment of torsion of machine；, wherein, TdRepresent the net moment of torsion of engine, TeEngine torque is represented, can be from hair Motivation rotating speed weObtained on the torque characteristics Map figures constituted with throttle opening α, JeEngine is represented to the rotary inertia of flywheel,Represent engine speed rate of change.Then engine net torque is converted into corresponding odd number clutch solenoid valve by tabling look-up Electric current after, according to gas pedal aperture and speed table look-up acquisition correction factor to being feedforward entry value after electric current amendment； The value of correction factor realizes that gas pedal aperture is small, and correction factor should be more greatly by demarcating, it is ensured that clutch transmits certain torsion Square；Speed is big, and correction factor should more greatly, the net moment of torsion of many transmission engines, to complete starting as early as possible.
C3, determines whether use integral adjustment to engine speed, i.e., according to speed discrepancy：When engine target rotating speed is more than During actual speed, then proportion adjustment is only carried out to engine speed difference, the target current of odd number clutch solenoid valve is feedforward term And the difference of proportional；When engine target rotating speed is less than or equal to actual speed, then proportion adjustment is carried out to engine speed difference And integral adjustment, the target current of odd number clutch solenoid valve is feedforward entry value and proportional term value, the difference for integrating entry value.
Step d, when being judged as that entering two keeps off normal starting mode in stepb, control even number clutch solenoid valve Electric current, makes engine speed follow engine target rotating speed, until starting is completed, as shown in figure 3, specifically including following steps：
D1, tables look-up according to gas pedal aperture and obtains the reference rotation velocity of engine, and the reality of collection engine turns in real time Speed, when actual engine speed is less than reference rotation velocity, the rotating speed of target for defining engine is reference rotation velocity；When engine is actual When rotating speed is more than reference rotation velocity, defines actual engine speed and gradually successively decrease the rotating speed for being transitioned into reference rotation velocity as engine Rotating speed of target.Calculate engine target rotating speed and the speed discrepancy of actual speed；
D2, obtains proportionality coefficient and integral coefficient according to speed discrepancy and gas pedal aperture, will be based on gas pedal aperture As proportional term value after the correction factor amendment speed discrepancy of acquisition and the product of proportionality coefficient of being tabled look-up with speed, it will be stepped on based on throttle Plate aperture and speed table look-up the correction factor amendment speed discrepancy of acquisition and the product of integral coefficient as integration entry value, and acquisition is started The net moment of torsion of machine,, wherein, TdRepresent the net moment of torsion of engine, TeEngine torque is represented, can be from hair Motivation rotating speed weObtained on the torque characteristics Map figures constituted with throttle opening α, JeEngine is represented to the rotary inertia of flywheel,Represent engine speed rate of change.Then engine net torque is converted into corresponding odd number clutch solenoid valve by tabling look-up Electric current, further according to gas pedal aperture and speed table look-up acquisition correction factor to after electric current amendment for feedforward entry value；Amendment The value of coefficient realizes that gas pedal aperture is small, and correction factor should be more greatly by demarcating, it is ensured that clutch transmits certain moment of torsion； Speed is big, and correction factor should more greatly, the net moment of torsion of many transmission engines, to complete starting as early as possible.
D3, determines whether use integral adjustment to engine speed difference, i.e., according to speed discrepancy：When engine target rotating speed is big When actual speed, then proportion adjustment is only carried out to engine speed, the target current of odd number clutch solenoid valve is feedforward term The difference of value and proportional term value；When engine target rotating speed is less than or equal to actual speed, then to the poor carry out ratio of engine speed Regulation and integral adjustment, the target current of odd number clutch solenoid valve is feedforward term and proportional term value, the difference for integrating entry value.
Under step e, the two normal starting modes of gear, whether engaged according to target gear, target gear travelling gear, target it is same Whether step device moves, whether preliminary filling completion judges whether to meet two gear one blend stop parts of drop even number clutch, specific as shown in Figure 4： Under the two normal starting modes of gear, keep off travelling gear engagement, a gear synchronizer for a gear, one when target gear and do not move and even number Two gear one gears of drop are performed when clutch is charged in advance.
Step f, into after two gear one gear patterns of drop, while controlling odd number, the electric current of even number clutch solenoid valve so that strange Number, even number clutch are switched in order, and the condition normally started to walk according to a gear or two gears during the gear of two gear drop one is sentenced It is disconnected whether to jump to a gear or the two normal starting modes of gear；
Described orderly switching is divided into three phases：First stage is odd number clutch preliminary filling, and second stage is odd number, idol Number clutch current incremental stages, the phase III is incremented by for odd number clutch current, and even number clutch current is down to 2Nm moments of torsion pair The even number clutch current answered.
Described first stage, its condition for jumping to second stage is at least to meet any one following condition：
1) target gear is a gear, and a gear travelling gear engagement, a gear synchronizer is not moved, and odd number clutch is charged in advance Into engine speed is more than the difference of odd number Clutch input shaft rotating speed and first stage offset, preferably first stage offset For 80rpm；
2) target gear is a gear, and a gear travelling gear engagement, a gear synchronizer is not moved, and engine speed is more than odd number The difference of Clutch input shaft rotating speed and first stage offset, preferably first stage offset are 80rpm, in the first stage Time is more than the first stage lower limit threshold values of setting, and preferably first stage lower limit threshold values is 0.35s；
3) time in the first stage is more than the first stage upper limit threshold values of setting, and preferably first stage upper limit threshold values is 1s；
In the described first stage：Odd number clutch current quickly increases, and completes preliminary filling, for even number clutch, starts Machine rotating speed of target takes the normal start-from-stop engine rotating speed of target of above-mentioned two gear and the maximum of odd number Clutch input shaft rotating speed, even number Clutch current is the electric current calculated according to the normal starting control method of two gears.
Described second stage, its condition for jumping to the phase III is at least to meet any one following condition：
1) gas pedal aperture is less than 0；
2) odd number clutch solenoid valve electric current is more than even number clutch solenoid valve electric current and gas pedal aperture is more than 0；
3) odd number clutch solenoid valve electric current is more than even number clutch solenoid valve electric current and engine and odd number clutch are defeated The speed discrepancy of discrepancy axle is less than the second stage rotating speed threshold values set, and preferably second stage rotating speed threshold values is 60rpm；
4) time in second stage is more than the threshold values set, and preferably second stage upper limit threshold values is 1s；
In described second stage：Odd number clutch is gradually changed to after being corrected by the target current of upper computation of Period The corresponding electric current of engine net torque, correction factor preferably is 0.85；Even number clutch by upper computation of Period target current The corresponding electric current of engine net torque to after being corrected is gradually changed, correction factor preferably is 0.7.
The described phase III, it is at least to meet any one following condition that it, which jumps to the condition that a gear normally starts to walk,：
1) gas pedal aperture is less than or equal to 0, and odd number clutch current is less than the corresponding odd number clutch electricity of 2Nm moments of torsion Stream；
2) speed discrepancy of engine and odd input shaft is less than the phase III rotating speed threshold values set, and the preferably phase III turns Fast threshold values is 20prm, and odd number clutch current is less than the corresponding odd number clutch current of 2Nm moments of torsion；
3) time in the phase III is more than set time threshold values of being tabled look-up based on accelerator open degree.It is normal into a gear After starting mode, the control method normally started to walk according to a gear controls the electric current of odd number clutch solenoid valve, completes starting.
In the described phase III：Odd number clutch is gradually changed to after being corrected by the target current of upper computation of Period The corresponding electric current of engine net torque, correction factor preferably is 0.85, and it is corresponding that even number clutch current is down to 2N.m moments of torsion Even number clutch current.
In second, third stage, target gear is detected for two gears, and two gear travelling gear engagements, two gear synchronizers are not moved When dynamic, the normal starting mode of two gears is jumped to.
Step g, two gears are down to after a gear, into a normal starting mode of gear, the control method normally started to walk according to a gear The electric current of odd number clutch solenoid valve is controlled, engine speed is followed engine target rotating speed, i.e., two gear drops one keep off process the Three stages detected when meeting the phase III and jumping to the condition that a gear is normally started to walk, and jumped to the normal starting mode of a gear, root The control method normally started to walk according to a gear controls the electric current of odd number clutch solenoid valve, engine speed is followed engine target Rotating speed.
This method implement after train experiment data as shown in figure 5, when two gear crawlings traveling when, when driver steps on the gas deeply Pedal, when gas pedal aperture is more than threshold values 0.5, enters starting operating mode by crawling operating mode.Now accelerator open degree is smaller, two gears Normal starting.When gas pedal is increased to a certain extent, the target gear determined from accelerator open degree and speed is kept off from two is changed into one Gear, carries out two gear drop one dammed up steps.It is down to after a gear, a gear normal starting enters high-speed working condition after the completion of starting.
As shown in fig. 6, with the increase of gas pedal aperture, the rotating speed of engine constantly rises, the even number where two gears The speed discrepancy of Clutch input shaft and engine is larger, odd number Clutch input shaft rotating speed and engine speed phase where a gear Poor small, starting-up process, odd number clutch sliding wear is less than the sliding wear of even number clutch, is more beneficial for the fast of starting-up process clutch Speed is combined, to complete starting, and vehicle acceleration constantly increases, and vehicle can obtain larger driving force, improve the starting of vehicle Performance, the driving intention of quick response driver.

Claims (12)

1. a kind of double disengaging type speed changer starting control methods of the speed of wet type six, it is characterised in that this method comprises the following steps
A) start to walk condition judgment：TCU is according to engine ignition switch position, brake condition, shift lever position, speed size, oil Door pedal aperture determines whether to meet starting condition；
B) starting mode judges：The target gear determined according to gas pedal aperture and speed, the information of shift fork position sensor Determine whether target gear travelling gear engages, whether target gear synchronizer, which moves, judges a gear or the normal starting mould of two gears Formula；
C) enter after a normal starting mode of gear, control the electric current of odd number clutch solenoid valve, follow engine speed and start Machine rotating speed of target, wherein the normal starting control method of a gear specifically includes following steps：
C1) tabled look-up according to gas pedal aperture and obtain the reference rotation velocity of engine, and gather the actual speed of engine in real time；When When actual engine speed is less than reference rotation velocity, using reference rotation velocity as the rotating speed of target of engine；When actual engine speed is big When reference rotation velocity, define actual engine speed gradually successively decrease be transitioned into reference rotation velocity rotating speed be used as engine target turn Speed, calculates engine target rotating speed and the speed discrepancy of actual speed；
C2 proportionality coefficient and integral coefficient) are obtained according to speed discrepancy and gas pedal aperture, gas pedal aperture and car will be based on As proportional term value after correction factor amendment speed discrepancy and the product of proportionality coefficient that zoom table is obtained, it will be opened based on gas pedal Degree and speed table look-up the correction factor amendment speed discrepancy of acquisition and the product of integral coefficient as integration entry value, acquisition engine Net moment of torsion；Then engine net torque is converted into after the electric current of corresponding odd number clutch solenoid valve by tabling look-up, according to oil Door pedal aperture and speed carry out table look-up acquisition correction factor to after electric current amendment for feedforward entry value；
C3) determine whether integral adjustment is used to engine speed according to speed discrepancy；
D) enter after the two normal starting modes of gear, control the electric current of even number clutch solenoid valve, follow engine speed and start Machine rotating speed of target；
E) under the two normal starting modes of gear, whether engaged according to target gear, target gear travelling gear, target gear synchronizer Whether move, whether preliminary filling completes to judge whether to meet two gear one blend stop parts of drop even number clutch；
F) enter after two gear one gear patterns of drop, while controlling odd number, the electric current of even number clutch solenoid valve so that odd number, even number Clutch is switched in order, and during the gear of two gear drop one judges whether to jump to a gear or the two normal starting modes of gear；
G) two gears are down to after a gear, and into a normal starting mode of gear, odd number is controlled according to the control method that a gear is normally started to walk The electric current of clutch solenoid valve, makes engine speed follow engine target rotating speed.
2. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, in the step In rapid a, met simultaneously when detecting：It is that non-P is kept off or N is kept off, without system that engine ignition switch, which is in ON positions, shift lever position, Dynamic, speed be less than based on actual gear table look-up the threshold values of setting, gas pedal aperture be more than the threshold values set when, judgement is met Step condition, otherwise without the clutch control method under starting mode.
3. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, in the step In rapid b, do not moved for a gear, a gear meshing gear engagement, a gear synchronizer when meeting target gear simultaneously, be then judged as a gear Normal starting；Do not move, be then judged as two gears, two gear meshing gear engagements, two gear synchronizers when meeting target gear simultaneously The normal starting of two gears.
4. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, step c3 In, when engine target rotating speed is more than actual speed, then proportion adjustment, odd number clutch electricity are only carried out to engine speed difference The target current of magnet valve is feedforward term and the difference of proportional；When engine target rotating speed is less than or equal to actual speed, then to hair Motivation speed discrepancy carries out proportion adjustment and integral adjustment, and the target current of odd number clutch solenoid valve is feedforward entry value and proportional The difference of value, integration entry value.
5. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, in the step In rapid d, the normal starting control method of two gears specifically includes following steps：
D1) tabled look-up according to gas pedal aperture and obtain the reference rotation velocity of engine, and gather the actual speed of engine in real time, when When actual engine speed is less than reference rotation velocity, the rotating speed of target for defining engine is reference rotation velocity；Work as actual engine speed During more than reference rotation velocity, define actual engine speed and gradually successively decrease and be transitioned into the rotating speed of reference rotation velocity and be used as the target of engine Rotating speed, calculates engine target rotating speed and the speed discrepancy of actual speed；
D2 proportionality coefficient and integral coefficient) are obtained according to speed discrepancy and gas pedal aperture, gas pedal aperture and car will be based on As proportional term value after correction factor amendment speed discrepancy and the product of proportionality coefficient that zoom table is obtained, it will be opened based on gas pedal Degree and speed table look-up the correction factor amendment speed discrepancy of acquisition and the product of integral coefficient as integration entry value, acquisition engine Net moment of torsion；Then engine net torque is converted into the electric current of corresponding odd number clutch solenoid valve by tabling look-up, further according to oil Door pedal aperture and speed table look-up acquisition correction factor to after electric current amendment for feedforward entry value；
D3) determine whether integral adjustment is used to engine speed difference according to speed discrepancy.
6. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 5, it is characterized in that, step d3 In, when engine target rotating speed is more than actual speed, then proportion adjustment, odd number clutch electromagnetism are only carried out to engine speed The target current of valve is feedforward entry value and the difference of proportional term value；It is when engine target rotating speed is less than or equal to actual speed, then right Engine speed difference carries out proportion adjustment and integral adjustment, and the target current of odd number clutch solenoid valve is feedforward term and proportional The difference of value, integration entry value.
7. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, in the step In rapid e, under the two normal starting modes of gear, keep off travelling gear engagement, a gear synchronizer for a gear, one when target gear and do not move And even number clutch performs two gear one gears of drop when charging in advance.
8. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, in the step In rapid f, described orderly switching is divided into three phases：First stage is odd number clutch preliminary filling, and second stage is odd number, even number Clutch current incremental stages, the phase III is incremented by for odd number clutch current, and even number clutch current is down to 2Nm moments of torsion correspondence Even number clutch current.
9. the double disengaging type speed changers starting control methods of the speed of wet type according to claim 8 six, it is characterized in that, described the One stage, its condition for jumping to second stage is at least to meet any one following condition：
1) target gear is a gear, and a gear travelling gear engagement, a gear synchronizer is not moved, and odd number clutch preliminary filling is completed, hair Motivation rotating speed is more than the difference of odd number Clutch input shaft rotating speed and offset, and the offset is 80rpm；
2) target gear is a gear, and a gear travelling gear engagement, a gear synchronizer is not moved, and engine speed is more than odd number clutch The difference of device input shaft rotating speed and offset, the offset is 80rpm, and the time in the first stage is more than the first stage of setting Lower limit threshold values, the first stage lower limit threshold values is 0.35s；
3) time in the first stage is more than the first stage upper limit threshold values of setting, and the first stage upper limit threshold values is 1s.
10. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 8, it is characterized in that, it is described Second stage, its condition for jumping to the phase III is at least to meet any one following condition：
1) gas pedal aperture is less than 0；
2) odd number clutch solenoid valve electric current is more than even number clutch solenoid valve electric current and gas pedal aperture is more than 0；
3) odd number clutch solenoid valve electric current is more than even number clutch solenoid valve electric current and engine and odd number clutch import and export The second stage rotating speed threshold values that the speed discrepancy of axle is set, the second stage rotating speed threshold values is 60rpm；
4) time in second stage is more than the threshold values set, and the second stage upper limit threshold values threshold values is 1s.
11. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 8, it is characterized in that, it is described Phase III, it is at least to meet any one following condition that it, which jumps to the condition that a gear normally starts to walk,：
1) gas pedal aperture is less than or equal to 0, and odd number clutch current is less than the corresponding odd number clutch current of 2Nm moments of torsion；
2) speed discrepancy of engine and odd input shaft is less than the phase III rotating speed threshold values set, the phase III rotating speed threshold values For 20prm, odd number clutch current is less than the corresponding odd number clutch current of 2Nm moments of torsion；
3) time in the phase III is more than set time threshold values of being tabled look-up based on accelerator open degree；Into the normal starting of a gear After pattern, the control method normally started to walk according to a gear controls the electric current of odd number clutch solenoid valve, completes starting.
12. the double disengaging type speed changer starting control methods of the speed of wet type six according to claim 1, it is characterized in that, described In step g, two gear drops one are kept off the process phase III and detected when meeting the phase III and jumping to the condition that a gear is normally started to walk, and jump The normal starting mode of a gear is gone to, the control method normally started to walk according to a gear controls the electric current of odd number clutch solenoid valve, makes Engine speed follows engine target rotating speed.
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