CN104343957B - The upshift course control method for use keeping off line traffic control automatic transmission more - Google Patents
The upshift course control method for use keeping off line traffic control automatic transmission more Download PDFInfo
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- CN104343957B CN104343957B CN201410469886.4A CN201410469886A CN104343957B CN 104343957 B CN104343957 B CN 104343957B CN 201410469886 A CN201410469886 A CN 201410469886A CN 104343957 B CN104343957 B CN 104343957B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 107
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- 244000144983 clutch Species 0.000 claims abstract description 38
- 238000004886 process control Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 48
- 230000005611 electricity Effects 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- 230000000630 rising effect Effects 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
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- 230000007935 neutral effect Effects 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
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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
- 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
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a kind of upshift course control method for use keeping off line traffic control automatic transmission more, the method by ECU by detection D position switch signal, the GES of vehicle speed sensorv, the opening amount signal of accelerator pedal position sensorαDetermine a need for being risen to two gears by a gear, two gears being risen to third gear, risen to four gears by third gear, and the electromagnetic clutch electrical current carrying out each upshift process controls.As a example by two gears rise to three gears, by ECU with the fixing control cycleT 23, simultaneously by three gear electromagnetic clutch electrical current functionsI 3b (t)={I 3 ,0≤t≤T δ ;kI 3 +I 3 (1‑k)(t‑T δ )/(T 23 ‑T δ ),T δ <t≤T 23 Control three electrical currents keeping off electromagnetic clutchs, and simultaneously by two gear electromagnetic clutch electrical current functionsI 2b (t)={I 2 ,0≤t≤βT δ ;0,βT δ <t≤T 23 Control two electrical currents keeping off electromagnetic clutchs, it is achieved the upshift process control of line traffic control automatic transmission；This upshift course control method for use not only can avoid the interruption of electromotor input power during upshift, and can avoid shift shock, it is achieved the steady upshift of line traffic control automatic transmission.
Description
Technical field
The present invention relates to the control method of a kind of automatic transmission, more precisely a kind of many gear line traffic control automatic transmission
Upshift course control method for use.
Background technology
Automatic transmission is widely used in the various vehicles such as automobile, electric automobile, engineering machinery.Existing automatic transmission
Mainly there are hydraulic mechanical type automatic transmission (AT), metal band type ST (CVT), automatic mechanical transmission
(AMT), double-clutch automatic transmission (DCT) four major types.
Above-mentioned four class automatic transmission all use electric-controlled hydraulic servomechanism installation, it is achieved shift process controls, and structure is complicated, one-tenth
This height and add control difficulty and complexity.The actuator of especially DCT includes: by hydraulic pump, hydraulic valve and accumulator
The oil supply mechanism of composition, by hydraulic pressure or motor-driven pulsewidth modulation upshift actuator, by hydraulic pressure or motor-driven clutch
Device operating mechanism.These hydraulic controls make variator complicated integral structure, cost high and add control difficulty and answer
Miscellaneous degree.
Along with automotive electronic technology, the extensive application of the progressively ripe and automobile network communication technology of automatic control technology,
X-by-wire on Automobile has become the development trend that automobile is following；Automobile line traffic control (X-By-Wire) technology is exactly with electric wire and electronics
Controller replaces mechanically and hydraulically system, and through sensor, the control action of driver is become the signal of telecommunication, is input to automatically controlled
Unit, is produced control signal by ECU and drives actuator to carry out action required.X-by-wire on Automobile can reduce parts
Complexity, reduce hydraulic pressure and mechanical driving device, electric wire move towards the motility of layout simultaneously, expands the freedom of Automobile Design
Space.
The each forward gear high gears keeping off the formula line traffic control automatic transmission that is circular layout often engage with flywheel inside engaged gear more,
The high gear that reverses gear often engages with central external gear pump, and electromagnetic clutch controls each gear high gear and separates with driving gear
With joint, each gear driven gear on transmission countershaft is outputed power by planetary gears；This many baffle rings shape cloth
The electromagnetic clutch putting formula line traffic control automatic transmission uses line traffic control mode power shifting, without skidding and power interruption phenomenon.
For guaranteeing to keep off the steady gearshift of line traffic control automatic transmission, it is to avoid the interruption of electromotor input power in shift process more
And shift shock, need the shift process of many gear line traffic control automatic transmission is controlled.
Summary of the invention
It is an object of the invention to provide a kind of interruption that can either avoid electromotor input power in shift process and gearshift
Impact, is capable of again the upshift course control method for use of many gears line traffic control automatic transmission of the steady upshift of vehicle.One keeps off line more
The upshift course control method for use of control automatic transmission, it is achieved the control device bag of many gears line traffic control automatic transmission of this control method
Include electromotor, D position switch, vehicle speed sensor, accelerator pedal position sensor, ECU, a gear electromagnetic clutch, two gear electricity
Magnet clutch, three gear electromagnetic clutchs, four gear electromagnetic clutchs, be previously stored a gear in ECU and risen two gear rules songs
Line, two gears rise three gear law curves, three gears rise four gear law curves.
Technical scheme is as follows:
After electromotor starting ignition, ECU powers on, and the upshift course control method for use of many gear line traffic control automatic transmission is opened
Beginning to run, this control method comprises the following steps:
Step 1, ECU detection D position switch signal, the GES v of vehicle speed sensor, accelerator pedal position sensing
The opening amount signal α of device；
Step 2, judge whether to be linked into D gear: when ECU detects that D position switch signal is connected, carry out step 3；No
Then, when ECU detects D position switch signal access failure, step 1 is carried out；
Step 3, judge whether to need a gear to rise to two gears: when ECU detects the GES v of vehicle speed sensor
Meet a gear in many gear line traffic control automatic transmission upshift law curves with the opening amount signal α of accelerator pedal position sensor and rise two gears
During liter catch point on law curve, it is judged that rise to two gears for needs one gear, carry out step 4；Otherwise, car is detected when ECU
The speed GES v of sensor and the opening amount signal α of accelerator pedal position sensor is unsatisfactory for keeping off line traffic control automatic transmission liter more
When in gear law curve, a gear rises the liter catch point on two gear law curves, it is judged that rising to two gears for need not a gear, carrying out step
6；
Step 4, a gear rise to two gear process control: ECU is by two gear electromagnetic clutch electrical current function I2a(t)=
{I2, 0≤t≤Tδ; kI2+I2(1-k)(t-Tδ)/(T12-Tδ), Tδ<t≤T12Control the two energising electricity keeping off electromagnetic clutchs
Stream, and simultaneously by a gear electromagnetic clutch electrical current function I1a(t)={I1, 0≤t≤βTδ; 0, βTδ<t≤T12Control
The electrical current of one gear electromagnetic clutch, in formula: I1It is the rated value of the electrical current of a gear electromagnetic clutch, I2It is two gear electricity
The rated value of the electrical current of magnet clutch, TδDuring for eliminating the minimum energising required for two gear electromagnetic clutch Separations
Between, T12Being that a gear rises to two gears and fixes the control cycle, k is bond strength coefficient, and β is for postponing disengaging time coefficient；
Step 5, judge that a gear rises to two gears and controls process duration t and whether rise to less than a gear that two gears are fixing controls week
Phase T12: rise to two gears fixing control cycle T when a gear rises to two gears control process duration t less than a gear12Time, it is judged that for
One gear rises to two gears control processes not yet to be terminated, and returns to step 4；Otherwise, process duration t is controlled when a gear rises to two gears
Two gears fixing control cycle T is risen to more than or equal to a gear12Time, it is judged that be a gear rise to two gears control processes terminate, return to step
Rapid 1；
Step 6, judge whether to need two gears to rise to three gears: when ECU detects the GES v of vehicle speed sensor
Meet two gears in many gear line traffic control automatic transmission upshift law curves with the opening amount signal α of accelerator pedal position sensor and rise three gears
During liter catch point on law curve, it is judged that rise to three gears for needs two gear, carry out step 7；Otherwise, car is detected when ECU
The speed GES v of sensor and the opening amount signal α of accelerator pedal position sensor is unsatisfactory for keeping off line traffic control automatic transmission liter more
When in gear law curve, two gears rise the liter catch point on three gear law curves, it is judged that rising to three gears for need not two gears, carrying out step
9；
Step 7, two gears rise to three gear process control: ECU is by three gear electromagnetic clutch electrical current function I3b(t)=
{I3, 0≤t≤Tδ; kI3+I3(1-k)(t-Tδ)/(T23-Tδ), Tδ<t≤T23Control the three energising electricity keeping off electromagnetic clutchs
Stream, and simultaneously by two gear electromagnetic clutch electrical current function I2b(t)={I2, 0≤t≤βTδ; 0, βTδ<t≤T23Control
The electrical current of two gear electromagnetic clutchs, in formula: I2It is the rated value of the electrical current of two gear electromagnetic clutchs, I3It is three gear electricity
The rated value of the electrical current of magnet clutch, TδDuring for eliminating the minimum energising required for three gear electromagnetic clutch Separations
Between, T23Being that two gears rise to three gears and fix the control cycle, k is bond strength coefficient, and β is for postponing disengaging time coefficient；
Step 8, judge that two gears rise to three gears and control process duration t and whether rise to less than two gears that three gears are fixing controls week
Phase T23: rise to three gears fixing control cycle T when two gears rise to three gears control process duration t less than two gears23Time, it is judged that for
Two gears rise to three gears control processes not yet to be terminated, and returns to step 7；Otherwise, process duration t is controlled when two gears rise to three gears
Three gears fixing control cycle T is risen to more than or equal to two gears23Time, it is judged that be two gears rise to three gears control processes terminate, return to step
Rapid 1；
Step 9, judge whether to need three gears to rise to four gears: when ECU detects the GES v of vehicle speed sensor
Meet three gears in many gear line traffic control automatic transmission upshift law curves with the opening amount signal α of accelerator pedal position sensor and rise four gears
During liter catch point on law curve, it is judged that rise to four gears for needs three gear, carry out step 10；Otherwise, detect when ECU
The GES v of vehicle speed sensor and the opening amount signal α of accelerator pedal position sensor is unsatisfactory for keeping off line traffic control automatic transmission more
When in upshift law curve, three gears rise the liter catch point on four gear law curves, it is judged that rising to four gears for need not three gears, returning to
Step 1；
Step 10, three gears rise to four gear process control: ECU is by four gear electromagnetic clutch electrical current function I4c(t)
={I4, 0≤t≤Tδ; kI4+I4(1-k)(t-Tδ)/(T34-Tδ), Tδ<t≤T34Control the four energising electricity keeping off electromagnetic clutchs
Stream, and simultaneously by three gear electromagnetic clutch electrical current function I3c(t)={I3, 0≤t≤βTδ; 0, βTδ<t≤T34Control
The electrical current of three gear electromagnetic clutchs, in formula: I3It is the rated value of the electrical current of three gear electromagnetic clutchs, I4It is four gear electricity
The rated value of the electrical current of magnet clutch, TδDuring for eliminating the minimum energising required for four gear electromagnetic clutch Separations
Between, T34Being that three gears rise to four gears and fix the control cycle, k is bond strength coefficient, and β is for postponing disengaging time coefficient；
Step 11, judge that three gears rise to four gears and control process duration t and whether rise to less than three gears that four gears are fixing to be controlled
Cycle T34: rise to four gears fixing control cycle T when three gears rise to four gears control process duration t less than three gears34Time, it is judged that
Be three gears rise to four gears control processes not yet terminate, return to step 10；Otherwise, when three gear rise to four gears control processes continue time
Between t rise to more than or equal to three gears that four gears are fixing controls cycle T34Time, it is judged that be three gears rise to four gears control processes terminate, return to
Step 1.
After driver turns off ignition switch, ECU power-off, the upshift process control sides keeping off line traffic control automatic transmission more
Method terminates to run.
Rise to two gear process control at above-mentioned steps 4 one gear, step 7 two gear rises to three gear process control, step 10 three gear
Rising in four gear process control, bond strength coefficient k is the fixed value set, k=0.5～0.8；Postpone disengaging time system
Number β is the fixed value set, β=0.9～1.2.
Rising in two gear process control at above-mentioned steps 4 one gear, a gear rises to two gears fixing control cycle T12It is to set
One fixed value, T12=500～1000ms.
Rising in three gear process control at above-mentioned steps 7 two gear, two gears rise to three gears fixing control cycle T23It is to set
One fixed value, T23=400～700ms.
Rising in four gear process control at above-mentioned steps 10 3 gear, three gears rise to four gears fixing control cycle T34It is to set
One fixed value, T34=300～600ms.
Compared with prior art, its advantage is the present invention:
(1) the upshift course control method for use of many gears line traffic control automatic transmission of the present invention, it is possible to during upshift quickly
Eliminate the electromagnetic clutch Separation of high gear, and be stepped up the electrical current of the electromagnetic clutch of high gear, it is achieved that
The smooth-going of the electromagnetic clutch transmission moment of high gear increases, thus the shift shock phenomenon during avoiding upshift；
(2) the upshift course control method for use of many gears line traffic control automatic transmission of the present invention, it is possible to control during upshift
The electromagnetic clutch of low gear ensures reliably to engage before the electromagnetic clutch of high gear does not transmits moment, keeps power to pass
Pass, and after the electromagnetic clutch of high gear starts to transmit power, the electromagnetic clutch sharp separation of low gear, thus avoid
Power interruption phenomenon during upshift.
Accompanying drawing explanation
Fig. 1 is a gear of many gears line traffic control automatic transmission of the embodiment of the present invention and the control device that reverses gear and actuating device
Structural representation.
Fig. 2 is a gear and the two control device kept off and the actuating devices of many gears line traffic control automatic transmission of the embodiment of the present invention
Structural representation.
Fig. 3 is three gears and the four control device kept off and the actuating devices of many gears line traffic control automatic transmission of the embodiment of the present invention
Structural representation.
Fig. 4 is the upshift course control method for use flow chart of many gears line traffic control automatic transmission of the embodiment of the present invention.
Fig. 5 is many gears line traffic control automatic transmission upshift law curve schematic diagram of the embodiment of the present invention.
Fig. 6 be many gears line traffic control automatic transmission one gear of the embodiment of the present invention rise in two gear process control two gear electromagnetism from
Clutch electrical current function I2a(t) curve and a gear electromagnetic clutch electrical current function I1a(t) curve synoptic diagram.
Fig. 7 be many gears line traffic control automatic transmission two gear of the embodiment of the present invention rise in three gear process control three gear electromagnetism from
Clutch electrical current function I3b(t) curve and two gear electromagnetic clutch electrical current function I2b(t) curve synoptic diagram.
Fig. 8 be many gears line traffic control automatic transmission three gear of the embodiment of the present invention rise in four gear process control four gear electromagnetism from
Clutch electrical current function I4c(t) curve and three gear electromagnetic clutch electrical current function I3c(t) curve synoptic diagram.
In figure: 1. transmission input shaft 2. case of transmission 200. electromotor 24. transmission countershaft 25. speed change
Device output shaft 3. flywheel 3a. power intake 3b. clutch end 31. flywheel inside engaged gear 32. central authorities external toothing tooth
Take turns 33. idler gear 41. 1 gear electromagnetic clutch 411. 1 gear electromagnetic clutch slip ring 412. 1 gear electromagnetic clutch electricity
Brush 42. 2 gear electromagnetic clutch 421. 2 gear electromagnetic clutch slip ring 422. 2 gear electromagnetic clutch brush 43. 3 gear electricity
Magnet clutch 431. 3 gear electromagnetic clutch slip ring 432. 3 gear electromagnetic clutch brush 44. 4 keeps off electromagnetic clutch 441.
The four gear electromagnetic clutch slip rings 442. 4 gear electromagnetic clutch brush 4R. electromagnetic clutch 4R1. that reverses gear reverses gear electromagnetic clutch
The device slip ring 4R2. electromagnetic clutch brush 4Z1. mono-that reverses gear keeps off main shaft 4Z2. bis-and keeps off main shaft 4Z3. tri-and keep off main shaft 4Z4. tetra-gear
Main shaft 4ZR. reverses gear main shaft 51. 1 gear high gear 52. 2 gear high gear 53. 3 gear high gear 54. 4 gear at a high speed
Gear 5R. reverse gear high gear 61. 1 gear driving gear 62. 2 gear driving gear 63. 3 keep off driving gear 64. 4 gear
Driving gear 6R. reverse gear driving gear 71. 1 gear driven gear 72. 2 gear driven gear 73. 3 keep off driven gear 74.
Four gear driven gear 7R. driven gear 91. sun gear 92. planetary gear 93. gear ring 94. planet carriers 100. that reverse gear are automatically controlled
Unit 100a. mono-keeps off the sub-100b. in control output end bis-and keeps off the sub-100c. in control output end tri-and keep off the sub-100d. in control output end
Four gear the 100r. in control output end reverse gear control output end sub-VSS. vehicle speed sensor D-SW.D position switch APS. accelerate step on
Board position sensor D12. a gear rises two gear law curve D23. two gears rise three gear law curve D34. it is bent that three gears rise four gear rules
Line.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is described in detail,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments；Based on the reality in the present invention
Executing example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise broadly falls into
The scope of protection of the invention.
A kind of upshift course control method for use keeping off line traffic control automatic transmission, it is achieved many gears line traffic control of the embodiment of the present invention is certainly more
The control device of dynamic variator includes electromotor 200, D position switch D-SW, vehicle speed sensor VSS, accelerator pedal position sensor
APS, ECU 100, a gear electromagnetic clutch 41, two gear electromagnetic clutch 42, three gear electromagnetic clutch 43, four gear electromagnetism from
Clutch 44, has been previously stored a gear in ECU 100 and has risen two gear law curve D12, two gear rise three gear law curve D23, three
Gear rises four gear law curve D34。
It is installed with gear electromagnetic clutch brush 412, a two gear electromagnetic clutch brush 422, three on housing 2 and keeps off electromagnetism
Clutch brush 432, four keeps off electromagnetic clutch brush 442, reverse gear electromagnetic clutch brush 4R2, a gear electromagnetic clutch brush
412, two gear electromagnetic clutch brush 422, three gear electromagnetic clutch brushes 432, four keep off electromagnetic clutch brushes 442, reverse gear electricity
Magnet clutch brush 4R2 keeps off electromagnetic clutch with gear electromagnetic clutch slip ring 411, a two gear electromagnetic clutch slip ring 421, three respectively
Device slip ring 431, four gear electromagnetic clutch slip ring 441, the electromagnetic clutch slip ring 4R1 that reverses gear keep sliding contact；One gear electromagnetism from
The binding post of clutch brush 412, the two gear binding posts of electromagnetic clutch brush 422, three gear electromagnetic clutch brushes 432
Binding post, the four gear binding posts of electromagnetic clutch brush 442, the binding post difference of the electromagnetic clutch brush 4R2 that reverses gear
The sub-100a in control output end, the two gear 100b in control output end, three gear control outputs are kept off by wire and the one of ECU 100
Terminal 100c, four the gear 100d in control output end, the sub-100r in control output end of reversing gear are connected.
ECU 100 is by controlling gear electromagnetic clutch brush 412, two gear electromagnetic clutch brush 422, a three gear electricity
Magnet clutch brush 432, four gear electromagnetic clutch brush 442, the energising of the electromagnetic clutch brush 4R2 that reverses gear or power-off, control
One gear electromagnetic clutch 41, two gear electromagnetic clutch 42, three gear electromagnetic clutch 43, four keeps off electromagnetic clutch 44, reverse gear electromagnetism
The joint of clutch 4R and separation；ECU 100 keeps off electromagnetic clutch by controlling a gear electromagnetic clutch brush 412, two
Brush 422, three gear electromagnetic clutch brush 432, four gear electromagnetic clutch brush 442, the electromagnetic clutch brush 4R2 that reverses gear logical
Piezoelectric voltage or the size of electric current, control gear electromagnetic clutch 41, a two gear electromagnetic clutch 42, three and keep off electromagnetic clutch 43, four
Gear electromagnetic clutch 44, the reverse gear joint of electromagnetic clutch 4R and the speed of separation.
The actuating device of the many gears line traffic control automatic transmission realizing the embodiment of the present invention includes transmission input shaft 1, flywheel
3, transmission countershaft 24, transmission output shaft 25, housing 2；One end of flywheel 3 is power intake 3a, power intake 3a
It is connected with one end of transmission input shaft 1；The other end of flywheel 3 is clutch end 3b, and clutch end 3b is provided with flywheel
Inside engaged gear 31 and central authorities' external gear pump 32；The outside of the centrally located external gear pump of flywheel inside engaged gear 31 32；?
Be fixedly connected sequentially on transmission countershaft 24 driven gear 7R, four gear driven gears 74, the three gear driven gears 73, two of reversing gear
Gear driven gear 72, keeps off driven gear 71, and one end away from flywheel 3 of countershaft 24 is also fixedly connected with the sun in the transmission
Wheel 91.
Flywheel inside engaged gear 31 along inside its gear circumference successively with gear high gear 51, a two gear high gear 52,
Three gear high gear 53, four gear high gears 54 often engage；On each forward gear high gear and empty set countershaft 24 in the transmission
Idler gear 33 often engage；Central authorities' external gear pump 32 often engages with the high gear 5R that reverses gear.
One gear high gear 51, two gear high gear 52, three gear high gear 53, four gear high gear 54 keeps off with one respectively
The Partner of electromagnetic clutch 41, the two gear Partner of electromagnetic clutch 42, the three gear Partner of electromagnetic clutch 43, four gear electricity
The Partner of magnet clutch 44 connects；The one gear drive end of electromagnetic clutch 41, the two gear drive ends of electromagnetic clutch 42, three gears
The drive end of electromagnetic clutch 43, four gear electromagnetic clutchs 44 drive ends respectively by one gear main shaft 4Z1, two gear main shaft 4Z2,
Three gear main shaft 4Z3, four gear main shaft 4Z4 and gear driving gear 61, two gear driving gear 62, three gear driving gear 63, four gear are main
Moving gear 64 connects；One gear driving gear 61, two gear driving gear 62, three gear driving gear 63, four gear driving gear 64 is respectively
Often engage with gear driven gear 71, two gear driven gear 72, three gear driven gear 73, a four gear driven gear 74.
Reverse gear high gear 5R and be connected with the Partner of the electromagnetic clutch 4R that reverses gear；Reverse gear the drive end of electromagnetic clutch 4R
Driving gear 6R is connected with reversing gear；The driving gear 6R that reverses gear often engages with the driven gear 7R that reverses gear by reversing gear main shaft 4ZR.
Sun gear 91 often engages with planetary gear 92, and planetary gear 92 also often engages with gear ring 93, and planetary gear 92 passes through
Its center bearing bore rolls and is arranged on planet carrier 94, and planet carrier 94 is fixed on case of transmission 2, and gear ring 93 is connected by spline
In one end of transmission output shaft 25, the other end of transmission output shaft 25 is as transmission power outfan.
Each advance of many gears line traffic control automatic transmission of the embodiment of the present invention is further illustrated below in conjunction with Fig. 1, Fig. 2, Fig. 3
Gear and the power transmission line reversed gear.
One gear transmission: ECU 100 controls gear electromagnetic clutch 41 energising and engages, and remaining electromagnetic clutch power-off divides
From, the moment of torsion of transmission input shaft 1 passes to a gear high gear 51 by flywheel inside engaged gear 31, then by the one of joint
Power is transferred to sun gear 91, finally by the engagement of a gear driving gear 61 and a gear driven gear 71 by gear electromagnetic clutch 41
Exported to transmission output shaft 25 by the spline on gear ring 93, it is achieved a gear transmission.
Two gear transmissions: ECU 100 controls two gear electromagnetic clutch 42 energisings and engages, and remaining electromagnetic clutch power-off divides
From, the moment of torsion of transmission input shaft 1 passes to two gear high gears 52 by flywheel inside engaged gear 31, then by the two of joint
Power is transferred to sun gear 91, finally by the engagement of two gear driving gears 62 and two gear driven gears 72 by gear electromagnetic clutch 42
Exported to transmission output shaft 25 by the spline on gear ring 93, it is achieved two gear transmissions.
Three gear transmissions: ECU 100 controls three gear electromagnetic clutch 43 energisings and engages, and remaining electromagnetic clutch power-off divides
From, the moment of torsion of transmission input shaft 1 passes to three gear high gears 53 by flywheel inside engaged gear 31, then by the three of joint
Power is transferred to sun gear 91, finally by the engagement of three gear driving gears 63 and three gear driven gears 73 by gear electromagnetic clutch 43
Exported to transmission output shaft 25 by the spline on gear ring 93, it is achieved three gear transmissions.
Four gear transmissions: ECU 100 controls four gear electromagnetic clutch 44 energisings and engages, and remaining electromagnetic clutch power-off divides
From, the moment of torsion of transmission input shaft 1 passes to four gear high gears 54 by flywheel inside engaged gear 31, then by the four of joint
Power is transferred to sun gear 91, finally by the engagement of four gear driving gears 64 and four gear driven gears 74 by gear electromagnetic clutch 44
Exported to transmission output shaft 25 by the spline on gear ring 93, it is achieved four gear transmissions.
Reverse gear: ECU 100 controls the electromagnetic clutch 4R energising joint that reverses gear, and remaining electromagnetic clutch power-off divides
From, the moment of torsion of transmission input shaft 1 passes to, by central authorities' external gear pump 32, the high gear 5R that reverses gear, then by falling of engaging
Power is transferred to sun gear 91, finally by the engagement of reverse gear driving gear 6R and the driven gear 7R that reverses gear by gear electromagnetic clutch 4R
Exported to transmission output shaft 25 by the spline on gear ring 93, it is achieved reverse gear.
Neutral: ECU 100 controls gear electromagnetic clutch 41, a two gear electromagnetic clutch 42, three and keeps off electromagnetic clutch
43, four gear electromagnetic clutchs 44, the electromagnetic clutch 4R that reverses gear are in power-off released state, it is achieved neutral.
The upshift course control method for use flow chart of many gears line traffic control automatic transmission of the present invention as shown in Figure 4, electromotor 200
After starting ignition, ECU 100 powers on, and the upshift course control method for use of many gear line traffic control automatic transmission brings into operation, this control
Method processed comprises the following steps:
Step S1, ECU 100 detect D position switch D-SW signal, the GES v of vehicle speed sensor VSS, accelerate to step on
The opening amount signal α of Board position sensors A PS；
Step S2, judge whether to be linked into D gear: when ECU 100 detects that D position switch D-SW signal is connected, carry out
Step S3；Otherwise, when ECU 100 detects D position switch D-SW signal access failure, step S1 is carried out；
Step S3, judge whether to need a gear to rise to two gears: many gears line traffic control automatic transmission upshift rule as shown in Figure 5
Curve, when ECU 100 detects GES v and the aperture of accelerator pedal position sensor APS of vehicle speed sensor VSS
Signal alpha meets a gear in many gear line traffic control automatic transmission upshift law curves and rises two gear law curve D12On liter catch point time, sentence
Break and rise to two gears for needs one gear, carry out step S4；Otherwise, the speed letter of vehicle speed sensor VSS is detected when ECU 100
The opening amount signal α of number v and accelerator pedal position sensor APS is unsatisfactory for keeping off in line traffic control automatic transmission upshift law curve one more
Gear rises two gear law curve D12On liter catch point time, it is judged that rising to two gears for need not a gear, carrying out step S6；
Step S4, a gear rise to two gear process control: ECU 100 is by two gear electromagnetic clutch 42 electrical current functions
I2a(t)={I2, 0≤t≤Tδ; kI2+I2(1-k)(t-Tδ)/(T12-Tδ), Tδ<t≤T12Control two gear electromagnetic clutchs 42
Electrical current, and simultaneously by one gear electromagnetic clutch 41 electrical current function I1a(t)={I1, 0≤t≤βTδ; 0, βTδ<t
≤T12Control an electrical current keeping off electromagnetic clutch 41, in formula: I1It is electrical current specified of a gear electromagnetic clutch 41
Value, I2It is the rated value of the electrical current of two gear electromagnetic clutchs 42, TδNeeded for eliminating two gear electromagnetic clutch 42 Separations
The minimum conduction time wanted, T12Being that a gear rises to two gears and fixes the control cycle, k is bond strength coefficient, and β is for postponing disengaging time
Coefficient；
Step S5, judge that a gear rises to two gears and controls process duration t and whether rise to less than a gear that two gears are fixing to be controlled
Cycle T12: rise to two gears fixing control cycle T when a gear rises to two gears control process duration t less than a gear12Time, it is judged that
Be a gear rise to two gears control processes not yet terminate, return to step S4；Otherwise, when one gear rise to two gears control processes continue time
Between t rise to more than or equal to a gear that two gears are fixing controls cycle T12Time, it is judged that be a gear rise to two gears control processes terminate, return to
Step S1；
Step S6, judge whether to need two gears to rise to three gears: many gears line traffic control automatic transmission upshift rule as shown in Figure 5
Curve, when ECU 100 detects GES v and the aperture of accelerator pedal position sensor APS of vehicle speed sensor VSS
Signal alpha meets two gears in many gear line traffic control automatic transmission upshift law curves and rises three gear law curve D23On liter catch point time, sentence
Break and rise to three gears for needs two gear, carry out step S7；Otherwise, when ECU 100 detects the speed of vehicle speed sensor VSS
The opening amount signal α of signal v and accelerator pedal position sensor APS is unsatisfactory for keeping off in line traffic control automatic transmission upshift law curve more
Two gears rise three gear law curve D23On liter catch point time, it is judged that rising to three gears for need not two gears, carrying out step S9；
Step S7, two gears rise to three gear process control: ECU 100 is by three gear electromagnetic clutch 43 electrical current functions
I3b(t)={I3, 0≤t≤Tδ; kI3+I3(1-k)(t-Tδ)/(T23-Tδ), Tδ<t≤T23Control three gear electromagnetic clutchs 43
Electrical current, and simultaneously by two gear electromagnetic clutch 42 electrical current function I2b(t)={I2, 0≤t≤βTδ; 0, βTδ<t
≤T23Control two electrical currents keeping off electromagnetic clutchs 42, in formula: I2It is electrical current specified of two gear electromagnetic clutchs 42
Value, I3It is the rated value of the electrical current of three gear electromagnetic clutchs 43, TδNeeded for eliminating three gear electromagnetic clutch 43 Separations
The minimum conduction time wanted, T23Being that two gears rise to three gears and fix the control cycle, k is bond strength coefficient, and β is for postponing disengaging time
Coefficient；
Step S8, judge that two gears rise to three gears and control process duration t and whether rise to less than two gears that three gears are fixing to be controlled
Cycle T23: rise to three gears fixing control cycle T when two gears rise to three gears control process duration t less than two gears23Time, it is judged that
Be two gears rise to three gears control processes not yet terminate, return to step S7；Otherwise, when two gear rise to three gears control processes continue time
Between t rise to more than or equal to two gears that three gears are fixing controls cycle T23Time, it is judged that be two gears rise to three gears control processes terminate, return to
Step S1；
Step S9, judge whether to need three gears to rise to four gears: many gears line traffic control automatic transmission upshift rule as shown in Figure 5
Curve, when ECU 100 detects GES v and the aperture of accelerator pedal position sensor APS of vehicle speed sensor VSS
Signal alpha meets three gears in many gear line traffic control automatic transmission upshift law curves and rises four gear law curve D34On liter catch point time, sentence
Break and rise to four gears for needs three gear, carry out step S10；Otherwise, the speed of vehicle speed sensor VSS is detected when ECU 100
The opening amount signal α of signal v and accelerator pedal position sensor APS is unsatisfactory for keeping off in line traffic control automatic transmission upshift law curve more
Three gears rise four gear law curve D34On liter catch point time, it is judged that rising to four gears for need not three gears, returning to step S1；
Step S10, three gears rise to four gear process control: ECU 100 is by four gear electromagnetic clutch 44 electrical current letters
Number I4c(t)={I4, 0≤t≤Tδ; kI4+I4(1-k)(t-Tδ)/(T34-Tδ), Tδ<t≤T34Control four gear electromagnetic clutchs
The electrical current of 44, and simultaneously by three gear electromagnetic clutch 43 electrical current function I3c(t)={I3, 0≤t≤βTδ; 0, βTδ<
t≤T34Control three electrical currents keeping off electromagnetic clutchs 43, in formula: I3It it is the volume of the electrical current of three gear electromagnetic clutchs 43
Definite value, I4It is the rated value of the electrical current of four gear electromagnetic clutchs 44, TδFor eliminating four gear electromagnetic clutch 44 Separation institutes
The minimum conduction time needed, T34Being that three gears rise to four gears and fix the control cycle, k is bond strength coefficient, when β is for postponing to separate
Between coefficient；
Step S11, judge that three gears rise to four gears and control process duration t and whether rise to less than three gears that four gears are fixing to be controlled
Cycle T34: rise to four gears fixing control cycle T when three gears rise to four gears control process duration t less than three gears34Time, it is judged that
Be three gears rise to four gears control processes not yet terminate, return to step S10；Otherwise, continue when three gears rise to four gears control processes
Time t rises to four gears fixing control cycle T more than or equal to three gears34Time, it is judged that be three gears rise to four gears control processes terminate, return
To step S1.
After driver turns off ignition switch, ECU 100 power-off, the upshift process control keeping off line traffic control automatic transmission more
Method terminates to run.
In the present embodiment, bond strength coefficient k is taken as 0.6；Postpone disengaging time factor beta and be taken as 1；It is solid that one gear rises to two gears
Surely cycle T is controlled12It is taken as 700ms；Two gears rise to three gears fixing control cycle T23It is taken as 550ms；Three gears rise to the fixing control of four gears
Cycle T processed34It is taken as 400ms；Eliminate the T minimum conduction time required for two gear electromagnetic clutch 42 Separationsδ, eliminate three gear
T minimum conduction time required for electromagnetic clutch 43 SeparationδNeeded for eliminating four gear electromagnetic clutch 44 Separations
The T minimum conduction time wantedδAll it is taken as 250ms.
Further illustrate embodiment of the present invention step S3 below in conjunction with Fig. 5, Fig. 6 and judge whether that a gear rises to two gears and step
S4 mono-keeps off and rises to two gear process control:
As it is shown in figure 5, the embodiment of the present invention many gears line traffic control automatic transmission upshift law curve schematic diagram, D12It it is a gear liter
Two gear law curves, D23It is that two gears rise three gear law curves, D34It is that three gears rise four gear law curves；When GES v and acceleration
When pedal opening signal α runs to A (26,50) point, ECU 100 is according to many gear line traffic control automatic transmission upshift law curves
Judge that A point rises two gear law curve D as a gear12On liter catch point, then carry out rise one gear to two gear process control；
As shown in Figure 6, two gear electromagnetic clutch electrical current functions of the embodiment of the present invention many gears line traffic control automatic transmission
I2a(t) curve and a gear electromagnetic clutch electrical current function I1aT () curve synoptic diagram, two gear electromagnetic clutchs 42 are energized electricity
Stream function I2a(t)={I2, 0≤t≤250ms; 0.6·I2+0.4·I2(t-250)/450,250ms < t≤700ms}, one
Gear electromagnetic clutch 41 electrical current function I1a(t)={I1, 0≤t≤250ms; 0, 250ms<t≤700ms}。
Further illustrate embodiment of the present invention step S6 below in conjunction with Fig. 5, Fig. 7 and judge whether that two gears rise to three gears and step
S7 bis-keeps off and rises to three gear process control:
As it is shown in figure 5, the embodiment of the present invention many gears line traffic control automatic transmission upshift law curve schematic diagram, work as GES
When v and accelerator pedal opening amount signal α runs to B (59,50) point, ECU 100 is according to many gear line traffic control automatic transmission upshifts
Law curve judges that B point rises three gear law curve D as two gears23On liter catch point, then carry out two gears and rise to three gear process control；
As it is shown in fig. 7, three gear electromagnetic clutch electrical current functions of the embodiment of the present invention many gears line traffic control automatic transmission
I3b(t) curve and two gear electromagnetic clutch electrical current function I2bT () curve synoptic diagram, three gear electromagnetic clutchs 43 are energized electricity
Stream function I3b(t)={I3, 0≤t≤250ms; 0.6·I3+0.4·I3(t-250)/300,250ms < t≤550ms}, two
Gear electromagnetic clutch 42 electrical current function I2b(t)={I2, 0≤t≤250ms; 0, 250ms<t≤550ms}。
Further illustrate embodiment of the present invention step S9 below in conjunction with Fig. 5, Fig. 8 and judge whether that three gears rise to four gears and step
S10 tri-keeps off and rises to four gear process control:
As it is shown in figure 5, the embodiment of the present invention many gears line traffic control automatic transmission upshift law curve schematic diagram, work as GES
When v and accelerator pedal opening amount signal α runs to C (78,50) point, ECU 100 is according to many gear line traffic control automatic transmission upshifts
Law curve judges that C point rises four gear law curve D as three gears34On liter catch point, then carry out three gears and rise to four gear process control；
As shown in Figure 8, four gear electromagnetic clutch electrical current functions of the embodiment of the present invention many gears line traffic control automatic transmission
I4c(t) curve and three gear electromagnetic clutch electrical current function I3cT () curve synoptic diagram, four gear electromagnetic clutchs 44 are energized electricity
Stream function I4c(t)={I4, 0≤t≤250ms; 0.6·I4+0.4·I4(t-250)/150,250ms < t≤400ms}, three
Gear electromagnetic clutch 43 electrical current function I3c(t)={I3, 0≤t≤250ms; 0, 250ms<t≤400ms}。
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that art those of ordinary skill is possessed, it is also possible to without departing from present inventive concept
Under premise, various changes can be made.
Claims (5)
1. keep off the upshift course control method for use of line traffic control automatic transmission one kind, it is achieved many gears line traffic control of this control method becomes automatically more
The control device of speed device includes that electromotor (200), D position switch (D-SW), vehicle speed sensor (VSS), accelerator pedal position sense
Device (APS), ECU (100), gear electromagnetic clutch (41), two gears electromagnetic clutch (42), three gear electromagnetic clutchs
(43), four gear electromagnetic clutch (44), be previously stored in ECU (100) one gear rise two gear law curve (D12), two
Gear rises three gear law curve (D23), three gear rise four gear law curve (D34), it is characterised in that described control method includes following
Step:
Step 1, ECU (100) detection D position switch (D-SW) signal, the GES v of vehicle speed sensor (VSS), acceleration
The opening amount signal α of pedal position sensor (APS)；
Step 2, judge whether to be linked into D gear: when ECU (100) detects that D position switch (D-SW) signal is connected, walk
Rapid 3；Otherwise, when ECU (100) detects D position switch (D-SW) signal access failure, step 1 is carried out；
Step 3, judge whether to need a gear to rise to two gears: when ECU (100) detects the speed of vehicle speed sensor (VSS)
The opening amount signal α of signal v and accelerator pedal position sensor (APS) meets in many gear line traffic control automatic transmission upshift law curves
One gear rises two gear law curve (D12During liter catch point on), it is judged that rise to two gears for needs one gear, carry out step 4；Otherwise, electricity is worked as
Control unit (100) detects the GES v of vehicle speed sensor (VSS) and the aperture letter of accelerator pedal position sensor (APS)
Number α is unsatisfactory for keeping off a gear in line traffic control automatic transmission upshift law curve more and rises two gear law curve (D12During liter catch point on),
It is judged as that need not a gear rises to two gears, carries out step 6；
Step 4, a gear rise to two gear process control: ECU (100) is by two gear electromagnetic clutch (42) electrical current functions
I2a(t)={I2, 0≤t≤Tδ; kI2+I2(1-k)(t-Tδ)/(T12-Tδ), Tδ<t≤T12Control two gear electromagnetic clutchs
(42) electrical current, and simultaneously by gear electromagnetic clutch (41) electrical current function I1a(t)={I1, 0≤t≤βTδ; 0,
βTδ<t≤T12Control an electrical current keeping off electromagnetic clutch (41), in formula: I1It it is the energising of a gear electromagnetic clutch (41)
The rated value of electric current, I2It is the rated value of the electrical current of two gear electromagnetic clutchs (42), TδFor eliminating two gear electromagnetic clutchs
(42) the minimum conduction time required for Separation, T12Being that a gear rises to two gears and fixes the control cycle, k is bond strength system
Number, β is for postponing disengaging time coefficient；
Step 5, judge that a gear rises to two gears and controls process duration t and whether rise to two gears less than a gear and fix the control cycle
T12: rise to two gears fixing control cycle T when a gear rises to two gears control process duration t less than a gear12Time, it is judged that it is one
Gear rises to two gears control processes not yet to be terminated, and returns to step 4；Otherwise, when one gear rise to two gears control process duration t big
In rising to equal to a gear, two gears are fixing controls cycle T12Time, it is judged that be a gear rise to two gears control processes terminate, return to step
1；
Step 6, judge whether to need two gears to rise to three gears: when ECU (100) detects the speed of vehicle speed sensor (VSS)
The opening amount signal α of signal v and accelerator pedal position sensor (APS) meets in many gear line traffic control automatic transmission upshift law curves
Two gears rise three gear law curve (D23During liter catch point on), it is judged that rise to three gears for needs two gear, carry out step 7；Otherwise, electricity is worked as
Control unit (100) detects the GES v of vehicle speed sensor (VSS) and the aperture letter of accelerator pedal position sensor (APS)
Number α is unsatisfactory for keeping off two gears in line traffic control automatic transmission upshift law curve more and rises three gear law curve (D23During liter catch point on),
It is judged as that need not two gears rises to three gears, carries out step 9；
Step 7, two gears rise to three gear process control: ECU (100) is by three gear electromagnetic clutch (43) electrical current functions
I3b(t)={I3, 0≤t≤Tδ; kI3+I3(1-k)(t-Tδ)/(T23-Tδ), Tδ<t≤T23Control three gear electromagnetic clutchs
(43) electrical current, and simultaneously by two gear electromagnetic clutch (42) electrical current function I2b(t)={I2, 0≤t≤βTδ; 0,
βTδ<t≤T23Control two electrical currents keeping off electromagnetic clutch (42), in formula: I2It it is the energising of two gear electromagnetic clutchs (42)
The rated value of electric current, I3It is the rated value of the electrical current of three gear electromagnetic clutchs (43), TδFor eliminating three gear electromagnetic clutchs
(43) the minimum conduction time required for Separation, T23Being that two gears rise to three gears and fix the control cycle, k is bond strength system
Number, β is for postponing disengaging time coefficient；
Step 8, judge that two gears rise to three gears and control process duration t and whether rise to three gears less than two gears and fix the control cycle
T23: rise to three gears fixing control cycle T when two gears rise to three gears control process duration t less than two gears23Time, it is judged that it is two
Gear rises to three gears control processes not yet to be terminated, and returns to step 7；Otherwise, when two gear rise to three gears control process duration t big
In rising to equal to two gears, three gears are fixing controls cycle T23Time, it is judged that be two gears rise to three gears control processes terminate, return to step
1；
Step 9, judge whether to need three gears to rise to four gears: when ECU (100) detects the speed of vehicle speed sensor (VSS)
The opening amount signal α of signal v and accelerator pedal position sensor (APS) meets in many gear line traffic control automatic transmission upshift law curves
Three gears rise four gear law curve (D34During liter catch point on), it is judged that rise to four gears for needs three gear, carry out step 10；Otherwise, when
ECU (100) detects GES v and the aperture of accelerator pedal position sensor (APS) of vehicle speed sensor (VSS)
Signal alpha is unsatisfactory for keeping off three gears in line traffic control automatic transmission upshift law curve more and rises four gear law curve (D34Liter catch point on)
Time, it is judged that rising to four gears for need not three gears, returning to step 1；
Step 10, three gears rise to four gear process control: ECU (100) is by four gear electromagnetic clutch (44) electrical current functions
I4c(t)={I4, 0≤t≤Tδ; kI4+I4(1-k)(t-Tδ)/(T34-Tδ), Tδ<t≤T34Control four gear electromagnetic clutchs
(44) electrical current, and simultaneously by three gear electromagnetic clutch (43) electrical current function I3c(t)={I3, 0≤t≤βTδ; 0,
βTδ<t≤T34Control three electrical currents keeping off electromagnetic clutch (43), in formula: I3It it is the energising of three gear electromagnetic clutchs (43)
The rated value of electric current, I4It is the rated value of the electrical current of four gear electromagnetic clutchs (44), TδFor eliminating four gear electromagnetic clutchs
(44) the minimum conduction time required for Separation, T34Being that three gears rise to four gears and fix the control cycle, k is bond strength system
Number, β is for postponing disengaging time coefficient；
Step 11, judge that three gears rise to four gears and control process duration t and whether rise to four gears less than three gears and fix the control cycle
T34: rise to four gears fixing control cycle T when three gears rise to four gears control process duration t less than three gears34Time, it is judged that it is three
Gear rises to four gears control processes not yet to be terminated, and returns to step 10；Otherwise, process duration t is controlled when three gears rise to four gears
Four gears fixing control cycle T is risen to more than or equal to three gears34Time, it is judged that be three gears rise to four gears control processes terminate, return to step
Rapid 1.
2. the upshift course control method for use keeping off line traffic control automatic transmission as claimed in claim 1, it is characterised in that described more
Step 4 one gear rise to two gear process control, step 7 two gear rises to three gear process control, step 10 three gear rise to four kept off program control
In system, described bond strength coefficient k is the fixed value set, k=0.5～0.8；Described delay disengaging time factor beta is to set
A fixed fixed value, β=0.9～1.2.
3. the upshift course control method for use keeping off line traffic control automatic transmission as claimed in claim 1, it is characterised in that described more
Step 4 one gear rises in two gear process control, and a described gear rises to two gears fixing control cycle T12It is the fixed value set,
T12=500～1000ms.
4. the upshift course control method for use keeping off line traffic control automatic transmission as claimed in claim 1, it is characterised in that described more
Step 7 two gear rises in three gear process control, and described two gears rise to three gears fixing control cycle T23It is the fixed value set,
T23=400～700ms.
5. the upshift course control method for use keeping off line traffic control automatic transmission as claimed in claim 1, it is characterised in that described more
Step 10 three gear rises in four gear process control, and described three gears rise to four gears fixing control cycle T34It is that set fixes
Value, T34=300～600ms.
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| CN201410469886.4A CN104343957B (en) | 2014-09-15 | 2014-09-15 | The upshift course control method for use keeping off line traffic control automatic transmission more |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469886.4A CN104343957B (en) | 2014-09-15 | 2014-09-15 | The upshift course control method for use keeping off line traffic control automatic transmission more |
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| CN104343957B true CN104343957B (en) | 2016-08-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213011A (en) * | 1991-04-05 | 1993-05-25 | Mazda Motor Corporation | Power transmission device for vehicle |
| US6145399A (en) * | 1998-03-17 | 2000-11-14 | Wabco Gmbh & Co. Ohg | Indicator for a shift by wire vehicle transmission |
| US6148256A (en) * | 1993-08-26 | 2000-11-14 | Siemens Aktiengesellschaft | Control for a motor vehicle with an automotive transmission and a smart gear change unit |
| CN103148206A (en) * | 2011-12-06 | 2013-06-12 | 现代自动车株式会社 | Automatic transmission for shift by wire |
-
2014
- 2014-09-15 CN CN201410469886.4A patent/CN104343957B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213011A (en) * | 1991-04-05 | 1993-05-25 | Mazda Motor Corporation | Power transmission device for vehicle |
| US6148256A (en) * | 1993-08-26 | 2000-11-14 | Siemens Aktiengesellschaft | Control for a motor vehicle with an automotive transmission and a smart gear change unit |
| US6145399A (en) * | 1998-03-17 | 2000-11-14 | Wabco Gmbh & Co. Ohg | Indicator for a shift by wire vehicle transmission |
| CN103148206A (en) * | 2011-12-06 | 2013-06-12 | 现代自动车株式会社 | Automatic transmission for shift by wire |
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| CN104343957A (en) | 2015-02-11 |
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