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신문균(Moon-Kyun Shin),박경택(Kyung-Taek Park),이근배(Keun-Bae Lee),배한일(Han-Il Bae),박경진(Gyung-Jin Park) 한국자동차공학회 2006 한국 자동차공학회논문집 Vol.14 No.4
The majority of pedestrian fatalities and injuries are caused by vehicle-pedestrian accidents. Recently, it has been recognized as a serious problem. Injuries of occupants in a vehicle have been decreased considerably. However, efforts for protection of pedestrians are still insufficient. These days, many advanced industries are striving for a better protection of pedestrians by using an active hood lift system, rather than reforming the existing structure. In this research, the active hood lift system is designed to enhance the performance for protection. The active hood lift system is analyzed by using the nonlinear finite element method. An optimization problem is formulated by incorporation of the analysis results. Orthogonal arrays are utilized to solve the formulated problem. An iterative optimization algothrithm using orthogonal arrays is utilized for design in the discrete space. It is found that the method can remarkably decrease the number of function evaluations.
임헌봉(Lim Hun Bong),신문균(Shin Moon Kyun),양현익(Yang Hyun Ik) 한국생산제조학회 2012 한국생산제조학회지 Vol.21 No.2
The knuckle crane design in Korea has been performed by assuming a cantilever beam type structure and numerically analyzing design data and finally improving the stiffness by replacing material. In our study, a complete finite element model of the knuckle crane is constructed and finite element analysis is conducted using Optistruct. Structural optimization to reduce the weight of the knuckle crane is processed by applying maximum loading condition at the largest radius of motion, which is the worst case of loading condition. As the results, existing over stiff design in a knuckle crane is corrected to meet a desired design limit and overall weight is reduced, which eventually leads to a reduction of CO2 emission.
박경택(Kyung-Taek Park),신문균(Moon-Kyun Shin),이근배(Keun-Bae Lee),배한일(Han-Il Bae),박경진(Gyung-Jin Park) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_2
The majority of pedestrian fatalities and injuries are caused by vehicle-pedestrian accidents. Recently, it has been recognized as a serious problem. Injuries of occupants in a vehicle have been decreased considerably. However, efforts for protection of pedestrians are still insufficient. These days, many advanced industries are striving for a better protection of pedestrians by using an active hood lift system, rather than reforming the existing structure. In this research, the active hood lift system is designed to enhance the performance for protection. The active hood lift system is analyzed by using the nonlinear finite element method. An optimization problem is formulated by incorporation of the analysis results. Orthogonal arrays are utilized to solve the formulated problem. An iterative optimization algothrithm using orthogonal arrays is utilized for design in the discrete space. It is found that the method can remarkably decrease the number of function evaluations.
송명준(Myung-Jun Song),이재준(Jae-Joon Lee),고병식(Byeong-Sik Ko),신문균(Moon-Kyun Shin) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The study of optimization is one of the most important element to develop and research the new cars. A seat of those provide comfort to passengers. At the current Engineers' concerns is to reduce the cost and weight of new car. In the paper, we have done optimization analysis of the car seat on the base of SEAT BELT ANCHOR and RR SLED considering the safety of passengers. The procedure of optimization is built in base of those. It is to build the efficiency of optimization. the following software is utilized, LS-Dyna, GENESIS, Optistruct of Altair, Visual DOC and Hypermesh. Design of experiment is utilized to obtain optimization design for driver seat. here. The reason of using DOE is that the analysis of the previous is nonlinear. Topology support the liner only for FEA. In the paper we call the initial finite element model to baseline model. And the orthogonal array of DOE is used.