CN102537333B - A kind of shift process filling time calibration method - Google Patents
A kind of shift process filling time calibration method Download PDFInfo
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- CN102537333B CN102537333B CN201110132667.3A CN201110132667A CN102537333B CN 102537333 B CN102537333 B CN 102537333B CN 201110132667 A CN201110132667 A CN 201110132667A CN 102537333 B CN102537333 B CN 102537333B
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Abstract
The invention discloses a kind of shift process filling time calibration method, be applicable to clutch-clutch-type hydraulic automatic speed variator, Data collecting and analysis system Gather and input axle tach signal, turbine shaft tach signal, output shaft tach signal, gearbox oil temperature signal and clutch control valve duty cycle signals, and described signal is recorded and analyzed, in the filling time of the fixed corresponding shift process clutch to be joined of each shift process acceptance of the bid; Have employed technological scheme of the present invention, can the accurate calibration shift process filling time, be conducive to improving shift quality, and also with low cost, simple to operate, be applicable to engineer applied.
Description
Technical field
The present invention relates to hydraulic automatic speed variator field, particularly relate to a kind of shift process filling time calibration method.
Background technique
Clutch-clutch hydraulic automatic speed variator compares simplicity of design with the hydraulic automatic speed variator of traditional overrunning clutch, volume is little, quality is light, cost is low, develops rapidly at last decade.But clutch-clutch hydraulic automatic speed variator eliminates the overrunning clutch of conventional fluid torque automatic transmission, while obtaining above advantage, the control of itself is also made to become more complicated.In order to can establish oneself in an unassailable position in competition with traditional hydraulic automatic speed variator, clutch-clutch hydraulic automatic speed variator just needs the action by accurately cooperation control clutch to be separated and clutch to be joined, reaches the shift quality identical with conventional fluid torque automatic transmission.
Clutch-clutch-type hydraulic automatic speed variator is mainly by separation and the joint of at least two electromagnetic valve respective clutch.By separation and the rules of engagement of rational solenoidoperated cluthes, to reduce shift shock, shorten the gearshift time, reduce clutch slipping merit, extend life of clutch.
The timing controlled of shift process two clutches is most important.If cut-off clutch is not separated, combines to cause in conjunction with clutch and hung two gear, caused very large shift shock, speed changer may be made in addition to produce serious consequence; If cut-off clutch is separated completely, do not combine in conjunction with clutch, shift process power interruption will be caused.But, because hydraulic type automatic transmission oil circuit is complicated, be difficult to the Oil hydraulic character and the volume characteristics that obtain hydraulic type automatic transmission according to design.So need oil pressure and the volume characteristics of rating test determination hydraulic type automatic transmission.
Figure 15 is the typical structure of clutch-clutch-type hydraulic type automatic transmission.As shown in figure 15, clutch-clutch-type hydraulic type automatic transmission comprises C1 ~ C5 totally five clutches.When following table is the work of clutch-clutch-type hydraulic type automatic transmission, the corresponding table of each gear and these clutches.
× represent joint
Table 1 gear and clutch are in conjunction with time-scale
Determine that the filling time is the conventional method of demarcating clutch-clutch-type hydraulic type automatic transmission shift process filling time according to oil pressure, its shortcoming is to need to have oil pressure peephole, give design, processing increase difficulty, need oil pressure sensor is installed simultaneously, increase cost.
Summary of the invention
The object of the invention is to propose a kind of can the calibration method of accurate calibration shift process filling time.
For reaching this object, the present invention by the following technical solutions:
A kind of shift process filling time calibration method is provided, is applicable to clutch-clutch-type hydraulic automatic speed variator, comprises the following steps:
A, demarcate filling time of N-1 shift process C1 clutch at N-1 shift process;
B, demarcate filling time of 1-2 shift process C4 clutch at 1-2 shift process;
C, demarcate filling time of 2-3 shift process C3 clutch at 2-3 shift process;
D, demarcate filling time of 3-4 shift process C2 clutch at 3-4 shift process;
E, demarcate filling time of 4-5 shift process C3 clutch at 4-5 shift process;
F, demarcate filling time of 5-4 shift process C1 clutch at 5-4 shift process;
G, demarcate filling time of 4-3 shift process C3 clutch at 4-3 shift process;
H, demarcate filling time of 3-2 shift process C4 clutch at 3-2 shift process;
I, demarcate filling time of 2-1 shift process C5 clutch at 2-1 shift process;
J, 1-N shift process;
K, demarcate filling time of N-R process C3 clutch at N-R shift process.
Below above steps is described further.
Steps A is further comprising the steps:
A1, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear, starting power input device, and opens data acquistion system, gather turbine shaft rotating speed and gearbox oil temperature;
A2, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, when turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then N-1 shift process is started, control described C1 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-1 shift process C1 clutch;
A3, collection turbine shaft rotating speed;
A4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the first preset increments value, then return A3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the first preset increments value, then go to A5;
The current value of A5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-1 shift process C1 clutch;
The initial value that the final value of the filling time of A6, N-1 shift process C1 clutch deducts the filling time of N-1 shift process C1 clutch is the filling time of N-1 shift process C1 clutch;
Step B is further comprising the steps:
B1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C5 clutch separation;
B2, to be separated completely when C5 clutch, turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then 1-2 shift process is started, control described C4 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 1-2 shift process C4 clutch;
B3, collection turbine shaft rotating speed;
B4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the second preset increments value, then return step B3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the second preset increments value, then go to step B5;
The current value of B5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 1-2 shift process C4 clutch;
The initial value that the final value of the filling time of B6, C4 clutch deducts the filling time of C4 clutch is the filling time of 1-2 shift process C4 clutch.
Step C is further comprising the steps:
C1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C4 clutch separation;
C2, to be separated completely when C4 clutch, turbine shaft stabilization of speed was more than 1 minute, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then 2-3 shift process is started, control described C3 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-3 shift process C3 clutch;
C3, collection turbine shaft rotating speed;
C4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 3rd preset increments value, then return C3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 3rd preset increments value, then go to C5;
The current value of C5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-3 shift process C3 clutch;
The initial value that the final value of the filling time of C6,2-3 shift process C3 clutch deducts the filling time of 2-3 shift process C3 clutch is the filling time of 2-3 shift process C3 clutch.
Step D is further comprising the steps:
D1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
D2, to be separated completely when C3 clutch, turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then 3-4 shift process is started, control described C2 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-4 shift process C2 clutch;
D3, collection turbine shaft rotating speed;
D4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 4th preset increments value, then return D3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 4th preset increments value, then go to D5;
The current value of D5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-4 shift process C2 clutch;
The initial value that the final value of the filling time of D6,3-4 shift process C2 clutch deducts the filling time of 3-4 shift process C2 clutch is the filling time of 3-4 shift process C2 clutch.
Step e is further comprising the steps:
E1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C1 clutch separation;
E2, to be separated completely when C1 clutch, turbine shaft stabilization of speed was more than 1 minute, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then 4-5 shift process is started, control described C3 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-5 shift process C3 clutch;
E3, collection turbine shaft rotating speed;
E4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 5th preset increments value, then return E3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 5th preset increments value, then go to E5;
The current value of E5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-5 shift process C3 clutch;
The initial value that the final value of the filling time of E6,4-5 shift process C3 clutch deducts the filling time of 4-5 shift process C3 clutch is the filling time of 4-5 shift process C3 clutch.
Step F is further comprising the steps:
F1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
F2, to be separated completely when C3 clutch, turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then 5-4 shift process is started, control described C1 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 5-4 shift process C1 clutch;
F3, collection turbine shaft rotating speed;
F4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 6th preset increments value, then return step F 3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 6th preset increments value, then go to step F5;
The current value of F5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 5-4 shift process C1 clutch;
The initial value that the final value of the filling time of F6,5-4 shift process C1 clutch deducts the filling time of 5-4 shift process C1 clutch is the filling time of 5-4 shift process C1 clutch.
Step G is further comprising the steps:
G1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C2 clutch separation;
G2, to be separated completely when C2 clutch, turbine shaft stabilization of speed was more than 1 minute, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then 4-3 shift process is started, control described C3 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-3 shift process C3 clutch;
G3, collection turbine shaft rotating speed;
G4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 7th preset increments value, then return G3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 7th preset increments value, then go to G5;
The current value of G5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-3 shift process C3 clutch;
The initial value that the final value of the filling time of G6,4-3 shift process C3 clutch deducts the filling time of 4-3 shift process C3 clutch is the filling time of 4-3 shift process C3 clutch.
Step H is further comprising the steps:
H1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
H2, to be separated completely when C3 clutch, turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then 3-2 shift process is started, control described C4 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-2 shift process C4 clutch;
H3, collection turbine shaft rotating speed;
H4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 8th preset increments value, then return step H3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 8th preset increments value, then go to step H5;
The current value of H5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-2 shift process C4 clutch;
The initial value that the final value of the filling time of H6,3-2 shift process C4 clutch deducts the filling time of 3-2 shift process C4 clutch is the filling time of 3-2 shift process C4 clutch.
Step I is further comprising the steps:
I1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C4 clutch separation;
I2, to be separated completely when C4 clutch, turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then 2-1 shift process is started, control described C5 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-1 shift process C5 clutch;
I3, collection turbine shaft rotating speed;
I4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 9th preset increments value, then return I3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 9th preset increments value, then go to I5;
The current value of I5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-1 shift process C5 clutch;
The initial value that the final value of the filling time of I6,2-1 shift process C5 clutch deducts the filling time of 2-1 shift process C5 clutch is the filling time of 2-1 shift process C5 clutch.
Step J is 1-N shift process.
Step K is further comprising the steps:
K1, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear;
K2, described clutch-clutch-type hydraulic automatic speed variator is placed in R gear, when turbine shaft stabilization of speed was more than 1 minute, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then N-R shift process is started, control described C3 clutch with fixed duty cycle (PWM value is generally 100%) to engage, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-R shift process C3 clutch;
K3, collection turbine shaft rotating speed;
K4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the tenth preset increments value, then return K3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the tenth preset increments value, then go to K5;
The current value of K5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-R shift process C3 clutch;
The initial value that the final value of the filling time of K6, N-R shift process C3 clutch deducts the filling time of N-R shift process C3 clutch is the filling time of N-R shift process C3 clutch.
In above each step, shift process keeps power incoming installation input torque constant.
In above each step, change gearbox oil temperature, repeat described calibration method every 10 DEG C, the relation curve of gearbox oil temperature and filling time can be obtained.
The above calibration method can be applicable to clutch-clutch-type hydraulic automatic speed variator that power incoming installation adopts motor or motor.
Technological scheme of the present invention provides calibration method and the device of a kind of filling time of shift process accurately, does not need to use oil pressure peephole and oil pressure sensor simultaneously, simple to operate, with low cost, is applicable to engineer applied, is conducive to improving shift quality.
Accompanying drawing explanation
Fig. 1 is the main flow chart of shift process filling time calibration method in the specific embodiment of the invention.
Fig. 2 is the sub-process figure demarcating the filling time of N-1 shift process C1 clutch in the specific embodiment of the invention at N-1 shift process.
Fig. 3 is the sub-process figure demarcating the filling time of 1-2 shift process C4 clutch in the specific embodiment of the invention at 1-2 shift process.
Fig. 4 is the sub-process figure demarcating the filling time of 2-3 shift process C3 clutch in the specific embodiment of the invention at 2-3 shift process.
Fig. 5 is the sub-process figure demarcating the filling time of 3-4 shift process C2 clutch in the specific embodiment of the invention at 3-4 shift process.
Fig. 6 is the sub-process figure demarcating the filling time of 4-5 shift process C3 clutch in the specific embodiment of the invention at 4-5 shift process.
Fig. 7 is the sub-process figure demarcating the filling time of 5-4 shift process C1 clutch in the specific embodiment of the invention at 5-4 shift process.
Fig. 8 is the filling time demarcating 4-3 shift process C3 clutch in the specific embodiment of the invention at 4-3 shift process;
Fig. 9 is the filling time demarcating 3-2 shift process C4 clutch in the specific embodiment of the invention at 3-2 shift process;
Figure 10 is the filling time demarcating 2-1 shift process C5 clutch in the specific embodiment of the invention at 2-1 shift process;
Figure 11 is the filling time demarcating N-R process C3 clutch in the specific embodiment of the invention at N-R shift process;
Figure 12 is the structural drawing of shift process filling time calibrating device in the specific embodiment of the invention.
Figure 13 is that the N-1 shift process in the specific embodiment of the invention demarcates schematic diagram.
Figure 14 is that the 1-2 shift process in the specific embodiment of the invention demarcates schematic diagram.
Figure 15 is the exemplary block diagram of the clutch-clutch-type hydraulic type automatic transmission in background technique of the present invention.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Fig. 1 is the main flow chart of shift process filling time calibration method of the present invention, and as shown in Figure 1, the method flow process comprises the following steps:
The task of step 101 is in N-1 shift process, demarcate the filling time of N-1 shift process C1 clutch.Figure 13 is that N-1 shift process of the present invention demarcates schematic diagram, as shown in figure 13, by carrying out the PWM value of C1 clutch Engagement Control valve gathered and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C1 clutch, namely from N-1 shift process, start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 2 is the sub-process figure that the present invention demarcates the filling time of N-1 shift process C1 clutch in N-1 shift process.As shown in Figure 2, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear by step 201, step 202 starting power input device, and opens data acquistion system; Described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 203, step 204,205 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 206, step 207 controls described C1 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 208 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-1 shift process C1 clutch; Step 209 gathers turbine shaft rotating speed; Step 210 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the first preset increments value Δ N1, then return step 209, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the first preset increments value Δ N1, then go to step 211; Step 211 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-1 shift process C1 clutch; The initial value that the final value of the filling time of N-1 shift process C1 clutch is deducted the filling time of N-1 shift process C1 clutch by step 212 is the filling time of N-1 shift process C1 clutch.
The task of step 102 demarcates the filling time of 1-2 shift process C4 clutch.Figure 14 is that 1-2 process of the present invention demarcates schematic diagram, as shown in figure 14, undertaken by the PWM value to the C5 clutch separation control valve gathered, the PWM value of C4 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C4 clutch, namely jump to 100% from C4 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 3 is the present invention demarcates the filling time of 1-2 shift process C4 clutch sub-process figure at 1-2 shift process.As shown in Figure 3, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 301, and step 302 opens data acquistion system, and step 303 controls described C5 clutch separation; Step 304,305 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 306, step 307 controls described C4 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 308 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 1-2 shift process C4 clutch; Step 309 gathers turbine shaft rotating speed; Step 310 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the second preset increments value Δ N2, then return step 310, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the second preset increments value Δ N2, then go to step 311; Step 311 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 1-2 shift process C4 clutch; The initial value that the final value of the filling time of 1-2 shift process C4 clutch is deducted the filling time of 1-2 shift process C4 clutch by step 312 is the filling time of 1-2 shift process C4 clutch.
The task of step 103 demarcates the filling time of 2-3 shift process C3 clutch.Similar with Figure 14, undertaken by the PWM value to the C4 clutch separation control valve gathered, the PWM value of C3 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C3 clutch, namely jump to 100% from C3 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 4 is the present invention demarcates the filling time of 2-3 shift process C3 clutch sub-process figure at 2-3 shift process.As shown in Figure 4, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 401, and step 402 opens data acquistion system, and step 403 controls described C4 clutch separation; Step 404,405 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 406, step 407 controls described C3 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 408 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-3 shift process C3 clutch; Step 409 gathers turbine shaft rotating speed; Step 410 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 3rd preset increments value Δ N3, then return step 410, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the second preset increments value Δ N3, then go to step 411; Step 411 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-3 shift process C3 clutch; The initial value that the final value of the filling time of 2-3 shift process C3 clutch is deducted the filling time of 2-3 shift process C3 clutch by step 412 is the filling time of 2-3 shift process C3 clutch.
The task of step 104 demarcates the filling time of C2 clutch.Similar with Figure 14, undertaken by the PWM value to the C3 clutch separation control valve gathered, the PWM value of C2 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C2 clutch, namely jump to 100% from C2 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 5 is the sub-process figure that the present invention demarcates the filling time of 3-4 shift process C2 clutch in 3-4 shift process.As shown in Figure 5, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 501, and step 502 opens data acquistion system, and step 503 controls described C3 clutch separation; Step 504,505 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 506, step 507 controls described C2 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 508 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-4 shift process C2 clutch; Step 509 gathers turbine shaft rotating speed; Step 510 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 4th preset increments value Δ N4, then return step 510, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 4th preset increments value Δ N4, then go to step 511; Step 511 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-4 shift process C2 clutch; The initial value that the final value of the filling time of 3-4 shift process C2 clutch is deducted the filling time of 3-4 shift process C2 clutch by step 512 is the filling time of 3-4 shift process C2 clutch.
The task of step 105 is in 4-5 shift process, demarcate the filling time of 4-5 shift process C3 clutch.Similar with Figure 14, undertaken by the PWM value to the C1 clutch separation control valve gathered, the PWM value of C3 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C3 clutch, namely jump to 100% from C3 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 6 is the sub-process figure that the present invention demarcates the filling time of 4-5 shift process C3 clutch in 4-5 shift process.As shown in Figure 6, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 601, and step 602 opens data acquistion system, and step 603 controls described C1 clutch separation; Step 604,605 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 606, step 607 controls described C3 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 608 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-5 shift process C3 clutch; Step 609 gathers turbine shaft rotating speed; Step 610 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 5th preset increments value Δ N5, then return step 610, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 5th preset increments value Δ N5, then go to step 611; Step 611 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-5 shift process C3 clutch; The initial value that the final value of the filling time of 4-5 shift process C3 clutch is deducted the filling time of 4-5 shift process C3 clutch by step 612 is the filling time of 4-5 shift process C3 clutch.
The task of step 106 is in 5-4 shift process, demarcate the filling time of 5-4 shift process C1 clutch.Similar with Figure 14, undertaken by the PWM value to the C3 clutch separation control valve gathered, the PWM value of C1 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C1 clutch, namely jump to 100% from C1 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 7 is the sub-process figure that the present invention demarcates the filling time of 5-4 shift process C1 clutch in 5-4 shift process.As shown in Figure 7, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 701, and step 702 opens data acquistion system, and step 703 controls described C3 clutch separation; Step 704,705 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 706, step 707 controls described C1 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 708 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 5-4 shift process C1 clutch; Step 709 gathers turbine shaft rotating speed; Step 710 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 6th preset increments value Δ N6, then return step 710, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 6th preset increments value Δ N6, then go to step 711; Step 711 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 5-4 shift process C1 clutch; The initial value that the final value of the filling time of 5-4 shift process C1 clutch is deducted the filling time of 5-4 shift process C1 clutch by step 712 is the filling time of 5-4 shift process C1 clutch.
The task of step 107 is in 4-3 shift process, demarcate the filling time of 4-3 shift process C3 clutch.Similar with Figure 14, undertaken by the PWM value to the C2 clutch separation control valve gathered, the PWM value of C3 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C3 clutch, namely jump to 100% from C3 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 8 is the sub-process figure that the present invention demarcates the filling time of 4-3 shift process C3 clutch in 4-3 shift process.As shown in Figure 8, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 801, and step 802 opens data acquistion system, and step 803 controls described C2 clutch separation; Step 804,805 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 806, step 807 controls described C3 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 808 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-3 shift process C3 clutch; Step 809 gathers turbine shaft rotating speed; Step 810 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 7th preset increments value Δ N7, then return step 810, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 7th preset increments value Δ N7, then go to step 811; Step 811 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-3 shift process C3 clutch; The initial value that the final value of the filling time of 4-3 shift process C3 clutch is deducted the filling time of 4-3 shift process C3 clutch by step 812 is the filling time of 4-3 shift process C3 clutch.
The task of step 108 is in 3-2 shift process, demarcate the filling time of 3-2 shift process C4 clutch.Similar with Figure 14, undertaken by the PWM value to the C3 clutch separation control valve gathered, the PWM value of C4 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C4 clutch, namely jump to 100% from C4 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Fig. 9 is the sub-process figure that the present invention demarcates the filling time of 3-2 shift process C4 clutch in 3-2 shift process.As shown in Figure 9, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 901, and step 902 opens data acquistion system, and step 903 controls described C3 clutch separation; Step 904,905 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 906, step 907 controls described C4 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 908 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-2 shift process C4 clutch; Step 909 gathers turbine shaft rotating speed; Step 910 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 8th preset increments value Δ N8, then return step 910, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 8th preset increments value Δ N8, then go to step 911; Step 911 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-2 shift process C4 clutch; The initial value that the final value of the filling time of 3-2 shift process C4 clutch is deducted the filling time of 3-2 shift process C4 clutch by step 912 is the filling time of 3-2 shift process C4 clutch.
The task of step 109 is in 2-1 shift process, demarcate the filling time of 2-1 shift process C5 clutch.Similar with Figure 14, undertaken by the PWM value to the C4 clutch separation control valve gathered, the PWM value of C5 clutch Engagement Control valve and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C5 clutch, namely jump to 100% from C5 clutch Engagement Control valve PWM value from 0 and start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Figure 10 is the sub-process figure that the present invention demarcates the filling time of 2-1 shift process C5 clutch in 2-1 shift process.As shown in Figure 10, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear by step 1001, and step 1002 opens data acquistion system, and step 1003 controls described C4 clutch separation; Step 1004,1005 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 1006, step 1007 controls described C5 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 1008 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-1 shift process C5 clutch; Step 1009 gathers turbine shaft rotating speed; Step 1010 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 9th preset increments value Δ N9, then return step 1010, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 9th preset increments value Δ N9, then go to step 1011; Step 1011 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-1 shift process C5 clutch; The initial value that the final value of the filling time of 2-1 shift process C5 clutch is deducted the filling time of 2-1 shift process C5 clutch by step 1012 is the filling time of 2-1 shift process C5 clutch.
The task of step 110 carries out 1-N shift process.
The task of step 111 is in N-R shift process, demarcate the filling time of N-R shift process C3 clutch.Similar with Figure 13, by carrying out the PWM value of C3 clutch Engagement Control valve gathered and the variation tendency of turbine shaft rotating speed Nt analyzing the filling time that just can obtain C3 clutch, namely from N-R shift process, start to turbine shaft rotating speed the time experienced that declines.It is below concrete sub-process.
Figure 11 is the sub-process figure that the present invention demarcates the filling time of N-1 shift process C1 clutch in N-R shift process.As shown in figure 11, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear by step 1101, step 1102 starting power input device, and opens data acquistion system; Described clutch-clutch-type hydraulic automatic speed variator is placed in R gear by step 1103, step 1104,1105 judges that whether turbine shaft stabilization of speed is more than 1 minute, current turbine axle rate-of-turn record is turbine shaft rotating speed initial value by step 1106, step 1107 controls described C3 clutch with fixed duty cycle (PWM value is generally 100%) and engages, step 1108 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-R shift process C3 clutch; Step 1109 gathers turbine shaft rotating speed; Step 1110 judges described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the tenth preset increments value Δ N10, then return step 1109, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the first preset increments value Δ N10, then go to step 1111; Step 1111 reads the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-R shift process C3 clutch; The initial value that the final value of the filling time of N-R shift process C3 clutch is deducted the filling time of N-R shift process C3 clutch by step 1112 is the filling time of N-R shift process C3 clutch.
Above in each step, in shift process, keep power incoming installation input torque constant.
In above each step, change gearbox oil temperature, repeat described calibration method every 10 DEG C, the relation curve of gearbox oil temperature and filling time can be obtained.
Figure 12 is the structural drawing of shift process filling time calibrating device of the present invention.As shown in figure 12,
Shift process filling time calibrating device comprises Data collecting and analysis system (1201), input shaft speed probe (1202), turbine shaft speed probe (1203), OSS (1204), TOTS (1205) and powertrain controller (1206), wherein Data collecting and analysis system and described input shaft speed probe, turbine shaft speed probe, OSS, TOTS, powertrain controller connects, for the input shaft tach signal that Gather and input shaft speed transducer exports, the turbine shaft tach signal that turbine shaft speed probe exports, the turbine shaft tach signal that OSS exports, the gearbox oil temperature signal that TOTS exports, the described clutch control valve duty cycle signals that powertrain controller exports, described signal is analyzed and record, and calculate the hydraulic automatic speed variator filling time, input shaft speed probe is connected with Data collecting and analysis system, for measuring input shaft rotating speed, and exports described input shaft tach signal to Data collecting and analysis system, turbine shaft speed probe is connected with Data collecting and analysis system, for measuring turbine shaft rotating speed, and exports described turbine shaft tach signal to Data collecting and analysis system, OSS is connected with Data collecting and analysis system, for measuring output shaft rotating speed, and exports described output shaft tach signal to Data collecting and analysis system, TOTS is connected with Data collecting and analysis system, for measuring gearbox oil temperature, and exports described gearbox oil temperature signal to Data collecting and analysis system, powertrain controller is connected with Data collecting and analysis system, for exporting described clutch control valve duty cycle signals to Data collecting and analysis system, and controls separation and the joint of described clutch.
Above-described calibration method and device can be applicable to clutch-clutch-type hydraulic automatic speed variator that power incoming installation adopts motor or motor.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (7)
1. a shift process filling time calibration method, is applicable to clutch-clutch-type hydraulic automatic speed variator, it is characterized in that, comprise the following steps:
A, demarcate filling time of N-1 shift process C1 clutch at N-1 shift process;
B, demarcate filling time of 1-2 shift process C4 clutch at 1-2 shift process;
C, demarcate filling time of 2-3 shift process C3 clutch at 2-3 shift process;
D, demarcate filling time of 3-4 shift process C2 clutch at 3-4 shift process;
E, demarcate filling time of 4-5 shift process C3 clutch at 4-5 shift process;
F, demarcate filling time of 5-4 shift process C1 clutch at 5-4 shift process;
G, demarcate filling time of 4-3 shift process C3 clutch at 4-3 shift process;
H, demarcate filling time of 3-2 shift process C4 clutch at 3-2 shift process;
I, demarcate filling time of 2-1 shift process C5 clutch at 2-1 shift process;
J, 1-N shift process;
K, demarcate filling time of N-R process C3 clutch at N-R shift process;
Steps A is further comprising the steps:
A1, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear, starting power input device, and opens data acquistion system, gather turbine shaft rotating speed and gearbox oil temperature;
A2, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, when turbine shaft stabilization of speed first preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with first and control described C1 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-1 shift process C1 clutch;
A3, collection turbine shaft rotating speed;
A4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the first preset increments value, then return A3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the first preset increments value, then go to A5;
The current value of A5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-1 shift process C1 clutch;
The initial value that the final value of the filling time of A6, N-1 shift process C1 clutch deducts the filling time of N-1 shift process C1 clutch is the filling time of N-1 shift process C1 clutch;
Step F is further comprising the steps:
F1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
F2, to be separated completely when C3 clutch, turbine shaft stabilization of speed the 6th preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with the 6th and control described C1 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 5-4 shift process C1 clutch;
F3, collection turbine shaft rotating speed;
F4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 6th preset increments value, then return step F 3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 6th preset increments value, then go to step F5;
The current value of F5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 5-4 shift process C1 clutch;
The initial value that the final value of the filling time of F6,5-4 shift process C1 clutch deducts the filling time of 5-4 shift process C1 clutch is the filling time of 5-4 shift process C1 clutch.
2. a kind of shift process filling time calibration method according to claim 1, it is characterized in that, step B is further comprising the steps:
B1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C5 clutch separation;
B2, to be separated completely when C5 clutch, turbine shaft stabilization of speed second preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with second and control described C4 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 1-2 shift process C4 clutch;
B3, collection turbine shaft rotating speed;
B4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the second preset increments value, then return step B3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the second preset increments value, then go to step B5;
The current value of B5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 1-2 shift process C4 clutch;
The initial value that the final value of the filling time of B6, C4 clutch deducts the filling time of C4 clutch is the filling time of 1-2 shift process C4 clutch;
Step H is further comprising the steps:
H1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
H2, to be separated completely when C3 clutch, turbine shaft stabilization of speed the 8th preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with the 8th and control described C4 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-2 shift process C4 clutch;
H3, collection turbine shaft rotating speed;
H4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 8th preset increments value, then return step H3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 8th preset increments value, then go to step H5;
The current value of H5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-2 shift process C4 clutch;
The initial value that the final value of the filling time of H6,3-2 shift process C4 clutch deducts the filling time of 3-2 shift process C4 clutch is the filling time of 3-2 shift process C4 clutch.
3. a kind of shift process filling time calibration method according to claim 1, it is characterized in that, step C is further comprising the steps:
C1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C4 clutch separation;
C2, to be separated completely when C4 clutch, turbine shaft stabilization of speed the 3rd preset duration, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then preset fixed duty cycle with the 3rd and control described C3 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-3 shift process C3 clutch;
C3, collection turbine shaft rotating speed;
C4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 3rd preset increments value, then return C3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 3rd preset increments value, then go to C5;
The current value of C5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-3 shift process C3 clutch;
The initial value that the final value of the filling time of C6,2-3 shift process C3 clutch deducts the filling time of 2-3 shift process C3 clutch is the filling time of 2-3 shift process C3 clutch;
Step e is further comprising the steps:
E1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C1 clutch separation;
E2, to be separated completely when C1 clutch, turbine shaft stabilization of speed the 5th preset duration, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then preset fixed duty cycle with the 5th and control described C3 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-5 shift process C3 clutch;
E3, collection turbine shaft rotating speed;
E4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 5th preset increments value, then return E3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 5th preset increments value, then go to E5;
The current value of E5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-5 shift process C3 clutch;
The initial value that the final value of the filling time of E6,4-5 shift process C3 clutch deducts the filling time of 4-5 shift process C3 clutch is the filling time of 4-5 shift process C3 clutch;
Step G is further comprising the steps:
G1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C2 clutch separation;
G2, to be separated completely when C2 clutch, turbine shaft stabilization of speed the 7th preset duration, to turbine shaft rate-of-turn record be now turbine shaft rotating speed initial value, then preset fixed duty cycle with the 7th and control described C3 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 4-3 shift process C3 clutch;
G3, collection turbine shaft rotating speed;
G4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 7th preset increments value, then return G3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 7th preset increments value, then go to G5;
The current value of G5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 4-3 shift process C3 clutch;
The initial value that the final value of the filling time of G6,4-3 shift process C3 clutch deducts the filling time of 4-3 shift process C3 clutch is the filling time of 4-3 shift process C3 clutch;
Step K is further comprising the steps:
K1, described clutch-clutch-type hydraulic automatic speed variator is placed in N gear;
K2, described clutch-clutch-type hydraulic automatic speed variator is placed in R gear, when turbine shaft stabilization of speed the tenth preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with the tenth and control described C3 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of N-R shift process C3 clutch;
K3, collection turbine shaft rotating speed;
K4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the tenth preset increments value, then return K3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the tenth preset increments value, then go to K5;
The current value of K5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of N-R shift process C3 clutch;
The initial value that the final value of the filling time of K6, N-R shift process C3 clutch deducts the filling time of N-R shift process C3 clutch is the filling time of N-R shift process C3 clutch.
4. a kind of shift process filling time calibration method according to claim 1, it is characterized in that, step D is further comprising the steps:
D1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C3 clutch separation;
D2, to be separated completely when C3 clutch, turbine shaft stabilization of speed the 4th preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with the 4th and control described C2 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 3-4 shift process C2 clutch;
D3, collection turbine shaft rotating speed;
D4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 4th preset increments value, then return D3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 4th preset increments value, then go to D5;
The current value of D5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 3-4 shift process C2 clutch;
The initial value that the final value of the filling time of D6,3-4 shift process C2 clutch deducts the filling time of 3-4 shift process C2 clutch is the filling time of 3-4 shift process C2 clutch.
5. a kind of shift process filling time calibration method according to claim 1, it is characterized in that, step I is further comprising the steps:
I1, described clutch-clutch-type hydraulic automatic speed variator is placed in D gear, controls described C4 clutch separation;
I2, to be separated completely when C4 clutch, turbine shaft stabilization of speed the 9th preset duration, be turbine shaft rotating speed initial value by current turbine axle rate-of-turn record, then preset fixed duty cycle with the 9th and control described C5 clutch joint, read the current value of acquisition system timer, and the current value of described acquisition system timer is designated as the initial value of the filling time of 2-1 shift process C5 clutch;
I3, collection turbine shaft rotating speed;
I4, judge described turbine shaft rotating speed, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be less than the 9th preset increments value, then return I3, if turbine shaft rotating speed initial value deducts current turbine axle tachometer value be not less than the 9th preset increments value, then go to I5;
The current value of I5, reading acquisition system timer, and the current value of described acquisition system timer is designated as the final value of the filling time of 2-1 shift process C5 clutch;
The initial value that the final value of the filling time of I6,2-1 shift process C5 clutch deducts the filling time of 2-1 shift process C5 clutch is the filling time of 2-1 shift process C5 clutch.
6. a kind of shift process filling time calibration method according to any one of claim 2 to 5, is characterized in that, shift process keeps power incoming installation input torque constant.
7. a kind of shift process filling time calibration method according to any one of claim 2 to 5, is characterized in that, changes gearbox oil temperature, repeats described calibration method every 10 DEG C, obtains gearbox oil temperature and the relation curve of filling time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110132667.3A CN102537333B (en) | 2011-05-20 | 2011-05-20 | A kind of shift process filling time calibration method |
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| CN201110132667.3A CN102537333B (en) | 2011-05-20 | 2011-05-20 | A kind of shift process filling time calibration method |
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| CN107366740B (en) * | 2017-05-22 | 2018-11-09 | 中国第一汽车股份有限公司 | A kind of clutch oil-filled duration control method in high-power AT shift processes |
| CN114483950B (en) * | 2021-12-14 | 2023-10-27 | 中国北方车辆研究所 | Method for calculating oil charge time of AT static shift clutch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046178A (en) * | 1990-01-11 | 1991-09-03 | General Motors Corporation | Control method for automatic transmission garage shifts |
| US5088353A (en) * | 1988-12-13 | 1992-02-18 | Jatco Corporation | Failure detecting system for automatic power transmission |
| US5216606A (en) * | 1989-12-26 | 1993-06-01 | General Motors Corporation | Compensated control method for filling a fluid-operated automatic transmission clutch |
| CN1361366A (en) * | 2000-12-27 | 2002-07-31 | 现代自动车株式会社 | Method and system for determining filling time of friction element using for automatic gear box |
| CN1982757A (en) * | 2005-12-17 | 2007-06-20 | 现代自动车株式会社 | Shift control system of automatic transmission and method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494921B1 (en) * | 2003-04-21 | 2005-06-13 | 현대자동차주식회사 | Apparatus for oil drain controlling of automatic transmission and method thereof |
-
2011
- 2011-05-20 CN CN201110132667.3A patent/CN102537333B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5088353A (en) * | 1988-12-13 | 1992-02-18 | Jatco Corporation | Failure detecting system for automatic power transmission |
| US5216606A (en) * | 1989-12-26 | 1993-06-01 | General Motors Corporation | Compensated control method for filling a fluid-operated automatic transmission clutch |
| US5046178A (en) * | 1990-01-11 | 1991-09-03 | General Motors Corporation | Control method for automatic transmission garage shifts |
| CN1361366A (en) * | 2000-12-27 | 2002-07-31 | 现代自动车株式会社 | Method and system for determining filling time of friction element using for automatic gear box |
| CN1982757A (en) * | 2005-12-17 | 2007-06-20 | 现代自动车株式会社 | Shift control system of automatic transmission and method thereof |
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| CN102537333A (en) | 2012-07-04 |
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