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논문 기본 정보

저자정보
(한국지엠) (한국지엠) (국민대학교) (국민대학교) (국민대학교) (국민대학교)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2011년 한국자동차공학회 학술대회 및 전시회
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    초록·키워드

    This study was conducted to apply for optimal design considered multi-disciplinary constrained conditions. Multidisciplinary constrained conditions mean that lightweight design, structure stiffness and safety. Because such as these design parameters are conflictive relation, it is hard to design optimal model through conventional parameter study. First, effect analysis was performed to select design variables largely effecting on performance such as dynamic stiffness, static stiffness, full frontal crash, ODB offset crash and RCAR offset crash. From first phase, totally 12 design variables were selected. Second phase is RBF type Meta-model established by using selected design variables and LHC design of experiment (DOE). In the last phase is to find the optimal solution that meets constraints and objectives by using a sequential approximate optimization. Dynamic torsional stiffness, static torsional stiffness, some displacement and crash box section force were used for constrained conditions and mass minimization was object function for optimization.

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      UCI(KEPA) : I410-ECN-0101-2013-556-001416077