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- 저자 : 이근우(Geunwoo Lee) (검색결과 10 건)
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이근우 ( Geunwoo Lee ),박상일 ( Sangil Park ) 한국공간디자인학회 2019 한국공간디자인학회논문집 Vol.14 No.7
(Background and Purpose) Today, art galleries are turning into a communication hall with a space of visual appreciation for artworks. Art galleries in modern society have changed from the traditional functions of collection, preservation, research and exhibition to the expanded functions of education and experience. Because of its extended functions, art museums have been transformed into complex cultural spaces, and they have also brought about changes in space and role. The space division of changed art museums can be divided into exhibition spaces, education spaces, work spaces, and public spaces, and art galleries make efforts to improve visitors' needs and quality of life through various space utilization. We hope that this study will help us organize and utilize the space for visitors in the future through the study on the role of space for visitors and the communication behavior that occurs in each space.(Method) The main body and type of communication behavior that occurs in the museum space were investigated and the validity of the theory of communication behavior of Harbormas was studied through theoretical consideration. The relevance of feasibility-based communication behavior in each space was identified and concluded by applying the space role of each museum.(Results) The space of an art museum appears as an exhibition space for meaning transfer, an education space for meaning production, a work space for operational support, and a public space where interaction takes place. Spaces with such a role will satisfy visitors through their communication with them, and art galleries must communicate with visitors based on their respective validity to give them satisfaction. The validity on which the basis of wartime spatial communication behavior is found to be the objective truthfulness, social justification, and validity on which educational spatial communication conduct is based is objective truthfulness, the validity on which work space communication activity is based has been identified by subjective truthfulness, and understandability among the validity is found to be common in all spaces.(Conclusions) Today the public calls for cultural enjoyment and improvement in quality of life through art galleries, and we believe that these demands can be addressed through communication in art galleries. Art galleries are changing a lot due to their expanded function, but most of the changes in communication in museum space are thought to be slight The Museum of Contemporary Social Art will be established as a space of diverse entertainment, or complex cultural facilities, as well as visual attractions. As a result, the importance of communication behavior will grow. Therefore, I believe that there should be a qualitative improvement in better communication behavior along with each other's space roles regarding communication behavior in art museums in the future.
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공유결합 인덕터를 이용한 부스트 하프브릿지 컨버터에 관한 연구
이근우(Geunwoo Lee),안태영(Taeyoung Ahn) 전력전자학회 2008 전력전자학술대회 논문집 Vol.- No.-
본 논문에서는 새로운 부스트 하프브릿지 컨버터를 제안하고 그 정상상태 해석결과를 보고한 것이다. 특히 부스트 하프브릿지 컨버터의 기본형과 한 개의 코어를 사용하여 인덕터를 공유결합 시킨 인덕터 공유결합형 부스트 하프브릿지 컨버터를 동시에 제안하였다. 제안된 컨버터는 반도체 스위치와 주요 소자를 이상적으로 가정하여 내부손실을 무시한 등가회로를 유도하였고 등가회로로부터 스위치의 상태에 따른 상태별 등가회로로부터 주요 소자에 대한 특성식을 나타내었고 최종적으로는 컨버터의 정상상태 특성식을 유도하였으며 특성의 타당성을 확인하기 위해서 회로 시뮬레이션을 수행하였다.
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공유결합 인덕터를 이용한 비대칭 입력전압형 하프브릿지 DC-DC 컨버터에 관한 연구
이근우(Geunwoo Lee),가동훈(Donghoon Ka),장효상(Hyosang Jang),안태영(Taeyoung Ahn) 전력전자학회 2008 전력전자학술대회 논문집 Vol.- No.-
본 논문에서는 새로운 공유결합 인덕터를 이용한 비대칭 입력전압형 하프브릿지 컨버터를 제안하고 그 정상상태 해석결과를 보고한 것이다. 제안된 컨버터는 반도체 스위치와 주요 소자를 이상적으로 가정하여 내부손실을 무시한 등가회로를 유도하였고 등가회로로부터 스위치의 상태에 따른 상태별 등가회로로부터 주요 소자에 대한 특성식을 나타내었고 최종적으로는 컨버터의 정상상태 특성식을 유도하였으며 특성식의 타당성을 확인하기 위해서 시험회로를 구성하였고 그 결과 제안 회로방식의 정상상태 해석결과를 검증할 수 있었다.
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이근우(Geunwoo Lee),안태영(Taeyoung Ahn) 전력전자학회 2008 전력전자학술대회 논문집 Vol.- No.-
본 논문에서는 새로운 비대칭 입력전압형 DC-DC 컨버터를 제안하고 그 정상상태 해석과 실험결과를 보고한 것이다. 특히 제안된 컨버터는 반도체 스위치와 주요 소자를 이상적으로 가정하여 내부손실을 무시한 등가회로를 유도하였고 등가회로와 스위치의 상태에 따른 상태별 등가회로로부터 주요 소자에 대한 특성식을 나타내었으며 최종적으로는 컨버터의 정상상태 특성식을 유도하였다. 제안회로의 정상상태 해석결과 및 동작을 확인하기 위해서 35-60V 입력전압 범위, 48V 정격입력전압, 12V 출력전압, 60W급 시험회로를 구성하였다. 시험회로는 전부하범위에서 안정된 동작을 하였으며 중부하에서 최대 91%의 전력변환효율을 나타내었다.
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연풍군(延豊郡) 공정산(公正山) 상암사 중수기(上菴寺重修記) 출처에 대한 연구
이근우 ( Lee Geunwoo ) 한국동양예술학회 2018 동양예술 Vol.41 No.-
The year 2018 is the 273 year of Kim Hong-Do’s birth, the 227 year since he became Yeon-poong , the 225 year he been to Sangam Temple. He was rewarded by drawing king’s portrait, he became Yeon-poong , in Goesan, Chungbuk on the year 1791, December 22, and was in office for Three years until 1795 January 7. However, there was not even one academic seminar was opened and it is very sorry and left inconvenienced. The year after Kim Hong-Do became Yeon-poong , in 1792, he went up to the Sangam Temple, located in ridge of Mt. Jo-ryung, and pray for the rain and paid with his own paycheck, colored statue that was also colored old and broken painting with silk. He didn’t have son until later of his age, he pray for son and had one at the age of 48; All the records are recorded and officially issued by Governor-General of Korea, 『Historic records of Joseon Temple』 (in 1911); ‘Yeon-poong Gun Mt. Gong-Jung Sangam Temple restoration monument (historic records of Joseon Temple). Sangam Temple restoration monument is for of Sangam Temple, however, it is a record of Kim Hong Do’s work as Yeon-poong as Kim Hong Do’s government officer; and it is very important to record and data to study Kim Hong Do and his history and work. Currently, Sangam Temple is located on 8/10 of Mt. Jo-ryung on Baekdudaegan Mountain Range. ‘Sangam Temple Restoration Monument’ and ‘Sangam Temple site’ is important data and reference of of Kim Hong Do, who was the best artist and government officer, which was hard to be at the same time, with that reason, it is the very important historic site as it is. In research from previous study of 『Historic records of Joseon Temple』 ‘Sangam Temple Restoration Monument’, it mentioned about ‘Sangam Temple Restoration Monument’, but there wasn’t any study of where the Sangam Temple Restoration Monument was sourced’ There for, this thesis will deeply talk and searched about WHO, WHEN, HOW, and WHY create this 『Historic records of Joseon Temple』 ‘Sangam Temple Restoration Monument’. This thesis is written based on objective, argument research methodology, however, to reduced lack of objectivity and reliability in this study, 『Goesan Gun Official Historic Document』(1969), 『Goesan Gun Official Document』(1990), 『Yeon-poong Official Historic Document』 (1994), antique books, exploring historic site, visiting interviewed resource from compilation committee of 『Yeon-poong Official Historic Document』; to find an objective and argumentized point of original resource of 『Historic records of Joseon Temple』 ‘Sangam Temple Restoration Monument’.
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수중음향을 이용한 우리나라 서·남해 해역에서의 어류와 먹이생물의 상관관계
유은화(Eunwha YOO),이근우(Geunwoo LEE),오우석(Wooseok OH),이경훈(Kyounghoon LEE) 전남대학교 어업기술연구소 2022 어업기술연구소보고지 Vol.15 No.1
Based on underwater acoustics, this study examined the Relationship between fish and zooplankton in the west-south seas. The acoustic data collected by echo sounder (Simrad EK60 and EK80) aboard the NIFS research vessel were analyzed using Echoview version 8.0. This study was carried out in the west-south seas where acoustic data was collected four times in August and September 2019 and February and May 2020. The results showed that the average nautical area scattering coefficient (NASC) of fish was the highest in May 2020 at 110.94 ㎡/nmi² and the lowest in September 2020 at 55.31 ㎡/nmi². The average NASC value of zooplankton was highest in May 2020 and lowest in September 2020 at 8.78 ㎡/nmi². There was a significant Relationship between fish and zooplankton (R²) with R²=0.696 in May 2020 and lowest Relationship with R²=0.039 in August 2019. During the day time, the Relationship between fish and zooplankton(R²) was highest in May 2020, with R²=0.668, and lowest in February 2020, with R²=0.001. During the night time, the Relationship between fish and zooplankton(R²) was highest in May 2020 with R²=0.245 and lowest in February 2020 with R²=0.009.
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Virtual Engine Sound System에서의 LOW COST SYSTEM 구성방안
김윤호(Yunho Kim),임태곤(Taegon Lim),이근우(Geunwoo Lee) 한국자동차공학회 2016 한국자동차공학회 학술대회 및 전시회 Vol.2016 No.11
The Market of green car without driving noise is growing and production of VESS(Virtual Engine Sound System) for pedestrian safety is rising. As a result, competition of Parts Suppliers will be strong and Car-Maker will demand cost-down. So, we got to begin research for Low-Cost. In the case of previously developed VESS, Speaker and the controller have been separated the number of Components and working hours increased. And it used highcost/high-quality sound/low efficiency amp so it had to add heatsink. Also, size of sound source was extended to interrupt sound so it used external memory. And it used high cost DSP CHIP to implement sound mixing for gear shift feeling. For this reason, cost competitiveness of previously developed VESS was low. In this thesis, these problems was improved. And we achieved Low-cost as follows. First, we applicate control unit in enclosure of speaker assembly so CASE 1 set, connector 1 set were deleted and working hours was reduced. Second, low-cost/high-efficiency CLASS-D AMP had the problems such as noise, step by step amplification. We improved these problems so Heatsink was deleted and AMP Price reduced to 2/3 than before. Third, we improved interrupt sound and changed size of sound source from 6 second to 1 second so external memory was not used. As a result, VESS that we developed deleted components such as CASE 1 set, Connector 1 SET, DSP CHIP, external memory, heatsink and reduced AMP price to 2/3 than before.
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