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고관호(Kwanho Ko),김은성(Eunsung Kim),이학성(Haksung Lee),오승민(Seungmin Oh),강신재(Sinjae Kang) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
This paper presents the design optimization process of Bumper back beam to minimize its weight by using design of experiment(DOE). After six types of design variables and three types of response variables were defined, DOE(Design of Experiment) and RSM (Response Surface Method) were applied in order to measure sensitivity of design variables and realize optimization through regression model. Through design optimization, bumper back beam was reduced by about 10%, compared with the initial design and predicted the impact performance in the condition of IIHS.
박소현(SoHyeon Park),김은성(EunSung Kim),이학성(HakSung Lee),고관호(Kwanho Ko),유효선(HyoSun Yu),양성모(Sungmo Yang) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Recently, the global automobile industry develops the eco-friendly car to reduce the environmental pollution, To get better mileage of cars, the core technology is to reduce vehicle weight. Aluminium alloy is applied to light weight material at the car. The Radius Rod used in this paper is all-in-one from the method of die-casting. It is possible to mass production of goods. In this paper, the Radius Rod is focusing to obtain the effect of the lightweight. We were obtained about 7kg weight reduction by Aluminium alloy of Radius Rod compared to the steel model. Also, the radius rod analysed to satisfy safety regulations through the FEM analysis.