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산악 지형에서 지속적인 임무수행을 위한 접촉식 충전 플랫폼 설계에 관한 연구
김대년,정원호,권오훈 한국정보통신설비학회 2019 한국정보통신설비학회 학술대회 Vol.2019 No.08
This paper presents to develop a contact type charging platform for continuous mission performance in mountainous terrain. The contact-type charging platform is a technology that can effectively increase the flight time of the drones using an automatic charging device connected to the drones and the charging platform interface. The charging bed was designed with the egg plate type structure and contact type charging type terminal. The charging terminal mounted on the drone is configured as a conical type so that it is inserted into one of the plurality of charging slots formed in the egg plate structure of the charging bed through sliding to be charged at random. In order to confirm the efficiency of contact charging, the possibility of charging was confirmed through contact resistance measurement. In the experiment, it was conducted 50 times using the unmanned charging system and all the charging was successful.
김대년,최정원 한국산업융합학회 2018 한국산업융합학회 논문집 Vol.21 No.3
This paper proposes the method to develop the fuel of suljigemi pellet using agricultural by-products the occurred during the manufacturing of alcohol. The goal of the development of suljigemi using biomass is to make the pellet fuel of high calorie. The suljigemi pellet is difficult to recycle waste in the manufacture company of alcohol. suljigemi pellet has the effect of zero emission as the soil conditioner using ash after burning. Also suljigemi pellet has the reduction effect of carriage fee, fuel economy and low-cost high-efficiency effects, environmentally clean fuel as CO2 emissions savings. So the technologies of the suljigemi fuel pellet are developing low carbon, green growth renewable energy fuel through futuristic energy system will be. In experiments, suljigemi pellets confirmed the calories by about 10% higher than wood pellets with the same conditions.
카사 바트요의 조형적 특성과 가우디의 건축적 사고 연구
김대년,Kim Dae Nyun 한국주거학회 2004 한국주거학회 논문집 Vol.15 No.5
The purpose of this study is to interpret Gaudi's philosophy of architecture through an analysis of the design characteristics in his remodeling of Casa Battlo. A review of the literature related to Casa Battlo as well as a field study in Barcelona to see the building were made for this study. The conclusions were as follows; Casa Battle is one of the best examples of Gaudi's attempts at creating a surreal atmosphere and should be evaluated in light of the following considerations: 1) Casa Battle as a remodeled house presented its own restrictions to Gaudi that he overcame by introducing characteristic design elements into the remodeling process; 2) the achievement, a perfect sculpture expressing continuity through a gorgeous colour scheme using different materials and design motifs with a dynamic spiral shape, originated from Gaudi's observations of nature and his experiences working in modeling studios; 3) a visualized embodiment of Gaudi's naturalism and functionalism through the impression of perpetual movement and continuity as formative symbols of genesis, life, death, and transmigration of the soul, originated from Gaudi's personal experiences of the early deaths of several close family members; 4) the design is meant to show the same processes of creation used by nature rather than a mere imitation of nature. Gaudi was not only a person dedicated obsessively to his profession as an architect, but also a rationalist fundamentally in the way he operated. It was expected that this study could be employed as a small stimulus to challenge the paradigm of housing remodeling projects -a hot issue in today's Korea- especially in their philosophical aspect.
김대년,최정신,권오정 대한가정학회 2002 Human Ecology Research(HER) Vol.40 No.4
This study aimed to examine the needs for the planning of group homes for the elderly with dementia in lower income class, who have more economic burden on the caring the demented aged. The survey was conducted by questionnaires collected from 300 respondents from December 2000 to March 2001. Methods of analysis were frequency distribution, mean and chi-square test. The results of this study were as follows: 1) The respondents perceived that the responsibility to take care of the elderly with dementia belonged to their family, not to society or the government, and the sons and daughters had to share the burden placed on care-givers. 2) The awareness of group homes for dementia was relatively low. 3) The respondents' needs for the group homes with dementia could be summarized as follows; small scale plan with homelike atmosphere, a total of 6-8 residents, structural type of detached house or three-storied town house, 2-3 persons per individual room, and management system by non-profit organization or the government. There were no big differences between the respondents of this study and upper and middle class studies conducted by other research, except for some details. Referring to results of this study, it is asserted that group homes for the elderly with dementia would be embraced throughout the country if political assistance combined with economic support were provided.