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황태경(Tae-Kyung Hwang),임오강(O-Kaung lim),이진식(Jin-Sick Lee),이종옥(Jong-Ok Lee) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
Major concern in modern industry is how to reduce the time and cost for product efficient production.<br/> Among many mechanical parts of a satellite, bracket plays an important role to support the load when the<br/> satellite is launched to space. so enough strength and stiffness. A designer could add unnecessary material and<br/> strength it so as not to fail when it used. But if mechanical part of satellite is over-designed, cost will rise and<br/> it also goes against to the aim of lightness. To achieve lightness and enough strength and stiffness,<br/> optimization algorithm should be introduced in design process. In this study, conceptual design of bracket is<br/> carried out to increase the performance of satellite. Some parameter which could change the weight of this<br/> part are selected as design variables. Total weight of bracket is to be minimized while displacement and stress<br/> should not exceed limit. Size optimization is done with 3D solid element and PLBA, the RQP algorithm. The<br/> weight of 0.262kg of initial model is reduced to 0.241kg after optimization process, so 9.8% of weight<br/> reduction is obtained.