전동차 언더프레임의 치수 최적화

초록

The main purpose of EMU(Electric Multiple Unit) operation is to transport mass number of person rapidly and safely. Moreover, in the side of operation company, energy efficiency and safety guarantee are main topics of discussion. The purpose of this study is to optimize underframe of EMU by using commercial optimization program(OPTISTRUCT). Design variables are thicknesses of underframe parts, and ojective function is the volume of underframe.