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전략방향과 경쟁적 환경이 비즈니스 통합정책 결정요인 구성에 미치는 영향 분석
김철수(Chulsoo Kim),한봉호(Bong - ho Han),한복우(Bokwoo Han) 한국IT서비스학회 2012 한국IT서비스학회지 Vol.11 No.3
These days, firms are focusing on the improvement of relationships with business partners. The supply chain integrations are taking critical role in improving the relationships with business partners. In accordance with the development of the IT technology, it became possible for firms not only to integrate inner parts of the organization, but also to integrate the company with other organizations in the supply chain, which is open system. Therefore, in e - Biz environments, it is imperative for firms to strengthen the core capacity through the supply chain integration, and to precisely determine the components of the determinants of e - Business integration which impact the firm performance. This study analyzed determinants that have impacts on business integration in IT capacity perspectives in competetive environments. We analyzed 163 domestic companies to find out many significant suggestive points. First, IT management capacity, process innovation capacity are adopted as determinants of differentiation and competetive edges against competing firms. Second, it is analyzed that the more the companies are in intensified competetive environment, the more likley that the innovation capacity and partner management capacity become the determinants of the business integration of the companies and that they pursue new market development strategy. Third, it is analyzed that the more the companies are in high demand fluctuation, the more likley that the innovation capacity becomes the determinants of the business integration of the companies, and that they pursue new market development strategy and operation efficiency strategy. Last, it is analyzed that the more the companies are Technology dependent, the more likely that IT management capacity and process innovation capacity become the determinants of business integration, and that they pursue new market development strategy and operation efficiency strategy. These results provide us the foundation that the determinants that we have analyzed can impact the supply chain integration strategies which take into account the competetive environments.
부산의 공공건축 디자인 발전 방향 개선에 관한 연구 - 부산 현대미술관 중심으로 -
김철수 ( Kim Chulsoo ) 한국공간디자인학회 2021 한국공간디자인학회논문집 Vol.16 No.4
(연구배경 및 목적) 도시의 비약적인 성장은 친환경적인 삶에 대한 갈망을 함께 증가시켰다. 하지만 현대인들이 자연 친화적인 삶을 살기 위한 시간과 여유를 갖기란 여간 쉽지가 않다. 따라서 생태적 문제해결을 강조한 ‘그린 디자인’을 추구하는 공공건축 디자인은 디자인을 통해서 사회적 문제를 해결하는 중요한 수단이 된다.(Anseongjo 2020.04) 이에 본 연구는 그린 빌딩 디자인 연구를 통해 인간이 보다 친환경적인 삶을 영위할 수 있는 공공건축의 방향성을 제시하고, 이를 통해 부산에 거주하는 시민들의 삶의 질을 향상 시키는 것에 그 목적이 있다. (연구방법) 본 연구는 공공건축 디자인 중 부산 현대미술관을 대상지로 하였다. 연구의 방법은 먼저 이론고찰 및 선행연구를 통해 공공건축의 개념 및 지향점을 정의하고 그린빌딩의 개념을 네 가지 경향 요소인 EFD(친환경 디자인, Eco Friendly Design), HCD(건강지향 디자인, Health Care Design), PRD(실용적인 디자인, practical design), AAD (예술, 미학적인 디자인, Art & Aesthetic Design)로 분류하였다. 다음으로 문헌연구 및 현장조사를 통해 부산 현대미술관의 현황조사를 하고 사례조사를 통해 그린 빌딩들의 경향요소를 활용해 문제점을 도출하였다. 마지막으로 앞서 발견한 문제점을 개선하여 부산 현대미술관의 디자인 개선방안을 제안하였다. (결과) 간결하고 깨끗한 느낌을 주기 위해 직각의 모형을 구성하여 건축물을 디자인하였고 건강 및 정서공간을 따로 만들어 시민들의 건강지향에 힘썼다. 또한, 도시인들의 스트레스 해소를 위해 녹지 공공공간을 조성하고 외벽에 식재를 사용해 친환경적인 디자인을 하였다. 공공디자인 색채 가이드라인에 따라 테마색 및 지붕색을 제안하였고 건축물 내부는 플랜테리어를 활용해 정서적 편안함을 주어 친환경적 공공장소 공간을 구성하였다. (결론) 본 연구에서는 그린빌딩 디자인을 활용한 부산 현대미술관의 공간적 기능의 활성화에 초점을 맞추었다. 예술과 도시 융합이라는 문화공공 장소 환경을 부여하고 문화 이미지, 생태요소를 제공하여, 환경친화적 요소와 심미성이 동시에 구축된 살기 좋은 도시를 구현하고자 했다. 또한, 시민에게 더 좋은 환경을 제공하고자 그린빌딩에 적합한 요소를 적용한 디자인 제안을 진행하였다. 따라서 도시인들의 스트레스 해소를 위해 녹지 공공공간을 조성, 건축물 외벽에 식재를 사용해 친환경적인 디자인 결과물을 도출하였다. 내부에도 플랜테리어를 활용해 정서적 편안함을 주었다. 직사각형을 효율적으로 구성하여 공간의 재배치와 활용도를 높였고 심미적으로 깔끔한 느낌을 주어 방문객들의 편의성을 증대 시켜주는 결과물을 도출하였다. (Background and Purpose) The rapid growth of cities has also increased the yearning for eco-friendly life. However, it is very difficult for modern people to have time and time to live a nature-friendly life. Therefore, public architectural design pursuing "green design," which emphasizes ecological problem solving, becomes an important means of solving social problems through design.(Ansongjo 2020.04) This study aims to present the direction of municipal architecture in which humans can lead to greener lives through the Green Building Design Study, which improves the quality of life of citizens living in Busan. This study was conducted by the Busan Museum of Modern Art among public architectural designs. (Method) The research methods first defined the concepts and orientations of public architecture through theoretical review and prior research, and classified the concepts of green building into four trends: eco-friendly design (EFD), health-oriented design (HCD), practical design (PRD), and AAD (art, aesthetic design, art & aesthetic design). Next, the current status of the Busan Museum of Modern Art was investigated through literature research and field surveys, and problems were derived by utilizing the trend elements of the buildings drawn through case studies. Finally, the design improvement plan of Busan Museum of Contemporary Art was proposed by improving the problems discovered earlier. (Result) in order to give a concise and clean feeling, the building was designed with a right angle model, and the health and emotional space was separately created to promote the health of citizens. In addition, green space was made to relieve stress among urbanites and eco-friendly designs were made using planting on the outer walls. Theme colors and roof colors were proposed according to the color guidelines of civic design, and the interior of the building was constructed with eco-friendly public space by providing emotional comfort using plantar. This study focused on revitalizing the spatial functions of the Busan Museum of Modern Art using the design of the green building. (Conclusion) It wanted to create a livable city where environmental-friendly elements and aesthetics were built at the same time by providing a cultural and public place environment called art and urban convergence and providing cultural images and ecological elements. In addition, in order to provide a better environment for citizens, the design proposal was carried out with elements suitable for green buildings. Therefore, green public space was made to relieve stress among urbanites, and eco-friendly design results were derived by using planting on the outer walls of buildings. The interior was intended to provide emotional comfort. The rectangles were constructed efficiently to increase the rearrangement and utilization of the space, and the results were derived to enhance the convenience of visitors by providing a clean aesthetic feeling.
그린카용 인버터 전력모듈의 열전달 해석 및 평가에 대한 연구
김철수(Chulsoo Kim),이준호(Junho Lee),이기수(Geesoo Lee),이홍섭(Hongseop Lee),김찬중(Chanjung Kim),이봉현(Bonghyun Lee) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Since the high-powered power modules for use in motor inverter and DC-DC converter of green cars such as xEVs require the power chips of higher current and thermal density, it is very important to design the power chips considering to its effective thermal dissipation path. Thermal resistance is a key factor in the power module package design for the effective thermal dissipation path from its junction to base plate. Generally the more the thermal resistance decreases, the more the allowable dissipation power and current increase. The thermal resistance of the power module largely depends on the thermal properties of a direct bond copper material. In this paper temperature rise characteristic and thermal resistance are evaluated through the heat transfer analysis on the 2-pack power module for use in inverter of the green car. The experimental measuring method of the thermal resistance referred to the international testing standard is introduced. The heat transfer analysis is conducted about the various direct bond copper materials of the power module package with the commercial code.