2109 自動車と歩行者の衝突事故時のアクティブ・ロア・アブソーバによる歩行者脚部損傷低減(OS7-3 設計と最適化III〜衝突・加工・機構設計〜,OS7 設計と最適化)

概要

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Serious injured parts of pedestrian include head, chest and legs, when hit by an automobile frontal collision. Lower absorber equipped under the front bumper is one of the effective devices for the suppression of serious leg damage. In this paper, it is proposed more effective device called active lower absorber, which moves just before or shortly after the impact to suppress knee injury without the increase of other criteria values by adjusting the design parameters of timing of activation and the absorber motion. The response surfaces of four injury criteria of multi-objective design problem are constructed based on the crash analysis by LS-Dyna and design of experiment. The Pareto-optimum solutions are found by the ε-constraint method, and categorized by the self organized mapping method(SOM).
一般社団法人日本機械学会の論文
2010-10-27