DEVELOPMENT OF DCT VEHICLE PERFORMANCE SIMULATOR TO EVALUATE SHIFT FORCE AND TORQUE INTERRUPTION

PARK, S. J.; RYU, W. S.; SONG, J. G.; KIM, H. S.; HWANG, S. H.

International Journal of Automotive Technology > Volume 7(2); 2006 > Article

Other Fields of Automotive Engineering

International Journal of Automotive Technology 2006;7(2): 161-166.

DEVELOPMENT OF DCT VEHICLE PERFORMANCE SIMULATOR TO EVALUATE SHIFT FORCE AND TORQUE INTERRUPTION

S. J. PARK¹, W. S. RYU², J. G. SONG², H. S. KIM², S. H. HWANG²

¹Hyundai Motor
²Sungkyunkwan University

ABSTRACT

This paper presents shift characteristics of a dual clutch transmission (DCT). To obtain the shift force, dynamic models of the DCT are constructed by using MATLAB/Simulink and considering the rotational inertia of every component and the target pre-select time. Dynamic models of the shift and clutch actuators are derived based on the experimental results of the dynamic characteristics test. Based on the dynamic model of the DCT synchronizer, control actuator and vehicle model, a DCT vehicle performance simulator is developed. Using the simulator, the shift force and speed of the relevant shafts are obtained. In addition, the torque and acceleration of actuators are calculated during the shift process by considering the engaging and disengaging dynamics of the two clutches. It is observed from the performance simulator that uninterrupted torque can be transmitted by proper control of the two clutches.

Key Words: Dual clutch transmission (DCT), Clutch actuator, Shift actuator, Vehicle performance simulator

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