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신행우(Hangwoo Shin),조원용(Wonyong Cho),심기중(Kijoong Sim),최규재(Gyoojae Choi),이영춘(Youngchoon Lee),손영호(Youngho Son) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
In this study, To reduce the weight of the front axle beam for medium duty commercial vehicle, structural optimization was processed by applying design load case. Design parameters that affect the structural strength were set as thickness, width and height of upper frame. To analyze the influence of design parameters, Optimized methods were used. The final optimized design model has the higher strength than the initial design model.
조원용(Wonyong Cho),신행우(Hangwoo Shin),최규재(Gyoojae Choi) 한국자동차공학회 2012 한국자동차공학회 지부 학술대회 논문집 Vol.2012 No.5-2
Recently, independent front suspension system for trucks are used to reduce fuel consumption and get better ride comfort. Because of heavy loads on wheels the components of the truck independent suspension system should be carefully designed. In this paper, structural and fatigue analysis of lower and upper control arms of the medium duty truck independent suspension system are carried out. It is found that the developed control arms have sufficient strength and fatigue life under design load conditions.
황택주(Taekju Hwang),조규춘(Kyuchun Cho),신행우(Hangwoo Shin),심기중(Kijoong Sim),유오성(Ohsung Yu) 한국자동차공학회 2016 한국자동차공학회 지부 학술대회 논문집 Vol.2016 No.4
In this study, We are represented the several test methods of the insulated boom for aerial work platform. The static strength tests of insulated boom were used the 100kN linear actuator and evaluated the insulated boom’s structural strength. Also, strength tests was conducted the static loading conditions given by the displacement control method. To investigate the strain characteristic of insulated boom, the strain gauge was attached the four position(150, 500, 1000, 1500 mm length from the fixed end) and strain data was acquired. As a result, we could be known that insulated boom’s braking strength was the 4000 kgf and boom’s strain was the same from the tension and compression data acquired the top and bottom surface of the boom. In addition, to evaluate the validity of the CAE analysis results, test results were compared to the analysis results.