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최상은 ( Sang Eun Choi ) 한민족어문학회 2004 韓民族語文學 Vol.45 No.-
The object of this thesis is to look deep into the emotion of Juong-Hun`s(鄭勳) Gasa(歌辭) in the end of 16th century and the beginning of 17th century. The motive for creating of literary work consists in desire of comunication and desire of expression. This thesis discussed desire of expression in order to investigate literary character of Jeong-Bun`s Gasa. Jeong-Hun`s Gasa works are classified into three types First type is <Seongjujungheungga(聖主中興歌)> which expresses concern about adminstration. Second type is <Yongchuyuyeongga(龍湫游詠歌)>ㆍ<Sunambangongga(水南放翁歌)> which express charms of life In nature. Third type is <Tangungga(嘆窮歌)>ㆍ<Uhwalga(迂闊歌)> which deplore poor actuality. This thesis investigated common emotions in three types of Jeong-Hun`s Gasa These common emotions are expectation about adminstration and the future of Family, feeling of uneasiness and frustration. These common emotions were expressed effectively by various literary styles, figures of speech and tones From these viewpoints, Jeong-Hun`s Gasa clearly show characters of Gasa at that time. This is the meaning of Jeong-Hun`s Gasa In the history of korean literature.
최상봉(Sang-Bong Choi),이재조(Jae-jo Lee) 대한전기학회 2019 전기학회논문지 Vol.68 No.11
This paper presents a methodology to calculate the daily load curve per city by taking into consideration a charging station for electric vehicles, which easily determines the effect of the load owing to the charging of electric vehicles in Seoul. In particular, we calculate the charging power of uncontrolled plug-in electric vehicles (PEVs) in terms of the daily running characteristics of vehicle travelling between homes and workplace, with respect to PEV charging stations in the city, according to the market share of PEVs. Furthermore, we calculate the load curve for the simultaneous charging strategy of controlled PEVs in terms of the vehicles’ daily running characteristics between homes and workplaces and a time-of-use (TOU) price plan of the Seoul Metropolitan Government under uncontrolled and controlled charging types. Thus, we are able to analysis the effect of the total existing electricity load and the abovementioned daily load on the grid. Because we can precisely determine the effect of the hourly charging load of PEVs on a power grid in Seoul using these study results, we can establish a PEV charging load management plan to prevent power grid reinforcement and expansion while satisfying the overload constraint of the power grid in Seoul using an appropriate TOU price plan.
제3자물류기업 선정요인이 물류성과에 미치는 영향에 관한 연구
최상천(Choi, Sang-Chon),정중재(Chung, Jung-Chae),연제은(Yeon, Je-Eun) 한국산학기술학회 2014 한국산학기술학회논문지 Vol.15 No.3
본 논문은 제조기업이 제3자물류를 활용하는 사례가 증가하고 있고, 그에 따라 제3자물류기업 선정요인이 물류성과에 미치는 영향을 확인하고 이와 더불어 변화하는 물류환경요인에 따라 제3자물류기업 선정요인과 물류성과 에 어떠한 영향이 있는지 확인하였다. 그 결과 제3자물류 선정요인중 서비스요인과 명성요인은 물류성과에 영향이 있 는 것으로 확인되었다. 또한, 물류환경을 이용해 조절효과를 측정한 결과 제3자물기업 선정요인중 서비스요인은 물류 환경요인 중 고객요인의 조절효과에 의해 물류성과에 영향을 미치고, 제3자물류기업 선정요인 중 명성요인은 물류환 경요인 중 글로벌요인과 정보시스템요인의 조절효과에 의해 물류성과에 영향을 미치는 것으로 확인되었다. The study is aiming to shed light on not only the influence of logistics output by choosing the third party logistics as the using of third party logistics has been increasing by the manufacturing firms also look over the effect between the factor of third party logistics’ choosing and logistics performance in accordance with the changing of the logistics environment. As a result of the study, both service and fame factor among the third party logistics choosing factors have a significant impact on the logistics performance, furthermore the service factor of the logistics environment has an influence on the logistics performance by customer factor after measuring the control effect, and the fame factor has an influence on the logistics performance by both globaliztion and information system factor.