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[응용논문] 다구찌 기법을 적용한 Stone Chipping에 의한 변형량 최소화를 위한 환경 요인 분석
추용주(Yong-Ju Chu),은효준(Hyo-Jun Eun),정시욱(Si-Uk Jung),이승엽(Seung-Yop Lee) 한국자동차공학회 2019 한국 자동차공학회논문집 Vol.27 No.7
Most electric vehicles manufactured these days include battery packs and powertrain parts mounted at the bottom near the rear axle or rear wheel. In this study, we analyzed and identified the main factors for determining stone chipping deformation, which causes the unwanted destruction of underbody parts while driving electric vehicles. By analyzing the average level on the stone chipping phenomena and signal-to-noise ratio, the influence of external impact factors(e.g., velocity, mass, shape, and material property) on stone chipping deformation was confirmed based on the Taguchi method. Based on the analysis of the stone chipping impact diagram, we can propose a design guideline for the underbody parts in order to reduce the development cost and time.