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조현덕,용부중,이재완 한국기계가공학회 2006 한국기계가공학회지 Vol.5 No.4
IHRA Pedestrian Working Group has investigated and analyzed the current status of pedestrian-vehicle accidents in IHRA member countries. According to the results, European countries and Japan are working on new regulations to improve passive pedestrian protection on passenger cars significantly. Although IHRA proposed pedestrian test procedures, which may provide a basis of technical regulations in the future, further research and development are necessary to refine the procedures. In order to prepare and satisfy the pedestrian protection requirements, domestic passenger vehicles also should be tested. Among various safety-related studies based on accident data analysis, dealing with pedestrian head injury would be considered one of the keen interests. In this study, the pedestrian headform impact test system is developed. The developed system will be useful to carry out validation study of the test procedures through actual tests using sample vehicles, and to explore the car feasibility level prior to the use of the test methods in legislation.
趙顯德 경일대학교 산업기술연구소 1995 産業技術硏究所 論文集 Vol.5 No.-
Electrostatic precipitator is the equipment that separates dust particles from the gas in which they are suspended. Specially, for the construction of industrial electrostatic precipitator the corporations would send the technical papers to a customer to accept an order. And, it is made a detail drawing after accept an order. Since the basic techni cal design of electrostatic precipitator is very complex it takes long time and includes design errors. Thus, for competitiveness in these industries, the development of software for technical and concept design is important. In this study, the software is called 'KOCO', and deals with a basic technical and concept design of industrial electrostatic precipitator. By using the software, design time was very short, design errors reduced largely, and the standardization of design could be carried out.
4WD 및 4WS이 가능한 로더 개발 (II) (4륜 조향장치 및 로더 구성)
조현덕 한국생산제조학회 1999 한국공작기계학회지 Vol.8 No.1
In this study, the loader was completed that has 4-wheel gear driven drivetrain of study (Ⅰ), the 4-wheel steering with power wheel type, all-wheel traction system, and joy-stick type lever for hydraulic control valve. From driving test of the developed 4WD and 4WS type loader, we obtained that the minimum circling radius and the necessary width in circling motion reduced about 40% and 33% compared with 2WS type loader. Also, all-wheel traction system could keep the tires glued to the ground with greater stability, the power steering allowed a smoother operation, and the joy-stick type lever offered easily to control. Thus, the developed loader having these functions was very fit in a small cattle shed or rugged ground.