DCT仿真与动力学建模详细

Research on Simulating and modelling Dynamics of

Double clutch transmission (DCT)

Ye YUAN, Jianjun YI# ,Xu GENG

Dept.of Mechanical Engineering,

East China University Of Science and Technology,

Shanghai 200237, P.R.China # Corresponding Author / E-mail:

Abstract: Shifts in a dual-clutch transmission (DCT) are realized

by torque transfer from one clutch to another without traction interruption. Thus the shift raw is quite important for the performance of DCT. Analyzing the dynamics and its raw of DCT, dynamic model and the control logic for the integrated vehicle are built using Matlab/simulink as the simulation platform in this paper. With a given input parameters such as throttle posistion, braking pedal position, etc. the transmission shift quality, impact index are assessed and the effectiveness of the shift control is validated as well.

Keywords- DCT, Matlab/simulink, Shift Quality

お

I.

[1-2] (Automatic Transmission AT) (Continuously Variable Transmission CVT) (Automated Mechanical

Transmission AMT) (DCT) 催 DCT DCT お お乚 ㄝ[3-4] : 催 催 5 DCT EASY5 DCT ZHANGㄝ[5]

Modelica/Dymola DCT MatlabˋSimulinkˋStateflow DCT DCT '&7 Ё 0DWODE 6LPXOLQN '&7 お'&7 '&7 お

II.

DCT

佪 '&7 ぎ ㄝ '&7

978-1-4244- 7618-3 /10/$26.00 ©2010 IEEE

Tijun FAN, Chunhua GU

School.of Information Engineering,

East China University Of Science and Technology,

Shanghai 200237, P.R.China

'&7 お '&7 乘 偊 啓 Ё Ё Ё 〇

'&7

偒偊 Ё偒偊 ぎ ㄝ

1-2 DCT

A.

偒偊 偒偊 Ё VLQJOH EXLOGHU Ё VLQJOH

EXLOGHU 0DWODE 6LPXOLQNЁ

2-1 simulink Ё

VLQJOH EXLOGHU

B.

偒偊 偒偊 偒偊 г VLQJOH EXLOGHU

2-2 simulink Ё

C.

偊 偊 Ё

Ё P J

0DWODE 6LPXOLQNЁ

2-3 simulink Ё

D.

〇 (2) Ё E. ぎ

ぎ Ё ぎ ぎ г Ё 亢 ぎ (3) Ё ぎ ぎ V

F.

Ё Ё

look-up table 偠 Ё М ぎ 催 作 (4) Ё

(4)—(8) t=0

1 2 3 1

有 〇 偠 lookup table

お 乍 有 偠 [7] G. TCU

TCU Ё ㄝ г 偒偊 偒偊 [6]. 1 C1

1 啓 2 啓 C1

Te Tin=Ie ω e 5 Tin T c1=I2 ω1 6

ЁTin Te ωe

2 C2

Ё C1 1 2 C2 乘 Ё 啓

Tsyn=f(μF,Δω13) ( 7 )

Tsyn F μ

Δω13 1 3 П

2-4 6 1-2 2-1 2-3 3-2 5-6 6-5

Matlab/Simulnk/StateflowЁ Stateflow Ё П

0 Ё look-up table Ё look-up tableЁ 0 0

2-4

乬П 2-5 [8] [9]-[16] Ё MatlabˋSimulinkЁ lookup table 2-5 2-6

2-5 lookup table

2-6 lookup table

Matlab/Simulink ЁDCT Stateflow 2-7

2-7 Matlab/Simulink/Stateflow

Ё Ёvehicle_speed 作 up_th down_th lookup table Ё statflowЁ up_th down_th vehicle_speed>up_th stateflow steady_state 〇 upshifting 乘 作 a, a>0 vehicle_speed>up_th gear_state.UP Ё UP 〇

steady_state

III. MATLAB/SIMULINK

A. 3.1

90s 2-1 2-2 2-3 偊 0 1680kg 亢 0.33 DCT 3.14 1.98 1.37 1.00 0.76 0.60 4.04 0.312m

B. 3.2

3-1 scope Ё Ё 〇 Ё Т 3-2AMT Ё Ё 啓 Ё Ё さ 啓 さ 〇 催 催

Ё DCT Ёг

3-1DCT

3-2AMT

C. 3.3

乜 . П

[14]

乴

Ь

Ё

- - - 8

Ё j

г j 催DCT 乎 乏 3-4

Ё

乍 П Ь Ь 乴

Matlab/SimulinkЁ 3.3

3.3 Matlab/Simulink

3-4 DCT

AMT Ё Ь 偸 偸 Ь AMT 3-5 3-4 AMT г DCT

DCT Ё 催 ┰

3-5 AMT

IV.

1 佪

2 Matlab/Simulink DCT Ё TCU ㄝ DCT

3 Matlab/Simulink/Stateflow Ё DCT DCT DCT 偠 DCT Ё DCT DCT 催 DCT Simulink DCT Matlab/Simulink おDCT DCT

ACKNOWLEDGMENT

We gratefully acknowledge the support of the Nature Science Fund of China (NSFC) 50975088, the Fundamental Research Funds for the Central Universities,and the Project-sponsored by SRF for ROCS, SEM.

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