• Transactions of the Korean Society of Mechanical Engineers A
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• v.37 no.9
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• pp.1099-1107
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• 2013

This study proposes a weight reduction design for urban transit, specifically, a Korean EMU carbody made of aluminum extrusion profiles, according to size optimization and useful material changes. First, the thickness of the under-frame, side-panels, and end-panels were optimized by the size optimization process, and then, the weight of the Korean EMU carbody could be reduced to approximately 14.8%. Second, the under-frame of the optimized carbody was substituted with a frame-type structure made of SMA 570, and then, the weight of the hybrid-type carbody was 3.8% lighter than that of the initial K-EMU. Finally, the under-frame and the roof-panel were substituted with a composite material sandwich to obtain an ultralight hybrid-type carbody. The weight of the ultralight hybrid-type carbody was 30% lighter than that of the initial K-EMU. All the resulting carbody models satisfied the design regulations of the domestic Performance Test Standard for Electrical Multiple Unit.

• Journal of the Korea Convergence Society
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• v.8 no.11
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• pp.257-262
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• 2017

The success or failure of the Korean game industry is a key issue for the creation of competent and talented human resources for the production of competent contents. The purpose of this study is to elucidate how to characterize and educate human - friendly game graphic designers with global competitiveness. The success of multi-disciplinary education will be maximized when cooperation with the responsible professors, the active will of the professor, the educational vision of the school, and real-time and active administration are supported In this study, based on the analysis of demand and supply of the human resources in the game industry, we found out that the game industry requires specialized manpower of technology-friendly game graphic designer who has the creativity, practical. application ability, and the international competency. In addition, we suggested ways of linking the curriculum with the local industries and related organizations such that they could be well educated as experts in related fields.