| 초록 |
In this paper, the lateral characteristic of the powertrain mounting system is proposed to improve the vehicle handling performance of a high-performance vehicle through CAE. In order to understand the relationship between the component characteristics and the vehicle handling performance, the analytical target cascading method is employed. The entire system is classified into three levels, namely, the vehicle level(R&H quantity index: gain, response time, etc.), the system level(lateral displacement and total stiffness of the powertrain) and the component level(stiffness of each mounting). In the upper level, the relationship between powertrain displacement, which occurs in the turning situation, and vehicle handling performance is investigated. Also, in the lower level, the effect of total stiffness in each direction on the motion of the powertrain is analyzed. Based on the results of this paper, the relationship between the powertrain system and the vehicle handling performance can be defined more clearly. |
