• 토지주택연구
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• 제2권1호
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• pp.35-46
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• 2011

재건축초과이익 환수에 관한 법률은 국가로 환수된 재건축부담금을 일정 평가를 거쳐 지방자치단체에 배분하도록 규정하고 있다. 그러나 배분방향의 미설정, 세부 평가기준 미비 등의 문제로 재건축부담금 제도의 원활한 시행이 담보되지 않고 있다. 이에 본 연구는 현행 제도의 미비 규정을 보완하기 위한 근거자료로서 지자체 평가를 위한 세부 지표 선정 및 지표별 가중치를 분석코자 하였다. 아울러 가중치 분석 결과를 토대로 지자체 모의평가를 실시함으로써 평가기준안으로서의 활용 가능성을 검토하고자 하였다. 지표별 가중치를 도출하기 위해 전문가 설문조사를 실시하고, 계층분석법으로 가중치를 분석한 결과, 지자체 상위 평가항목 중 '주거복지 증진노력' 항목의 가중치가 전체의 25.1%로 가장 높게 나타났다. 그 뒤를 이어 '주거복지실태 평가결과(22.7%)', '주거기반시설 설치수준(22.5%)', '재건축부담금의 활용실적 및 운용계획(15.8%)', '보금자리주택 등 주택사업실적(13.9%)' 등의 평가항목 순으로 가중치가 높게 나타났다. 5개 상위 평가가항목에 대한 총 16개의 하위 평가지표 중에서는 '최저주거기준 미달가구 비율(11.5%)', '장기공공임대주택 공급실적(8.9%)', '재건축부담금 집행실적(8.3%)', '재건축부담금 운용계획 수립 제출여부(7.5%)', '상 하수도보급률(6.3%)' 등의 평가지표 순으로 가중치가 높게 나타났다. 분석결과를 토대로 할 때, 시행령 상 '보금자리주택 등 주택사업실적' 평가항목의 가중치는 현행 30%에서 약 14%로 하향조정하고, 나머지 평가항목에 대해서는 다소 상향조정이 필요함을 알 수 있다. 지자체 모의평가 결과에서는 전북, 경북, 전남, 제주, 경기지역 순으로 종합 평가점수가 높게 나타났으며, 대전, 서울, 인천, 대구, 광주 등 상대적으로 주거여건이 양호한 광역시 특별시의 종합 평가점수는 낮게 나타났다. 이러한 분석 결과는 재건축부담금의 배분 방향과 부합한 것으로서, 본 연구에서 적용한 평가기준안의 적정성 및 활용 가능성을 확인할 수 있다.

• 국제학술발표논문집
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• The 5th International Conference on Construction Engineering and Project Management
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• pp.328-331
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• 2013

Incentive/Disincentive (I/D) contracting experiences in many states have been evaluated in terms of time and cost performance and substantial project time savings were found in many project cases. However, there is little understanding on individual project success factors for I/D projects during construction. This paper explores the significance of I/D clause in the success of the MacArthur Maze reconstruction project and summarizes a list of group causes that explains and elaborates on the detailed factors. The methods used for carrying out this study started with a search of online media and news reports and contract documents were also obtained from Caltrans. After review of the preliminary information, Interviews were performed with the Caltrans Resident Engineer and the contractor's project manager who were in charge of the MacArthur Maze reconstruction. In conclusion, the evaluation of their responses hinted at six significant cause groups responsible for the project's success. These groups can be listed as: 1) Motivation, 2) Policy, 3) Teamwork, 4) Communication, 5) Expectation, and 6) Resource Management.

• 전력전자학회논문지
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• 제19권2호
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• pp.139-148
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• 2014

State-of-charge (SOC) is one of the significant indicators to estimate the driving range of the electric vehicle and to control the alternator of the conventional engine vehicles as well. Therefore its precise estimation is crucial not only for utilizing the energy effectively but also preventing critical situations happening to the power train and lengthening the lifetime of the battery. However, lead-acid battery is time-variant, highly nonlinear, and the hysteresis phenomenon causes large errors in estimation SOC of the battery especially under the frequent discharge/charge. This paper proposes a novel estimation technique for the SOC of the Lead-Acid battery by using a well-known Extended Kalman Filter (EKF) and an electrical equivalent circuit model of the Lead-Acid battery considering diffusion and hysteresis characteristics. The diffusion is considered by the reconstruction of the open circuit voltage decay depending on the rest time and the hysteresis effect is modeled by calculating the normalized integration of the charge throughput during the partial cycle. The validity of the proposed algorithm is verified through the experiments.

• 산업경영시스템학회지
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• 제20권44호
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• pp.61-68
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• 1997

The algorithm of customer demand decomposition suggested by this study is a reconstruction method of distribution network under the allowance of same level supply. Regional distribution center(RDC) distributes additional inventories of some of the supplying items to retailers under its charge to reduce the time needed for emergency delivery to neighborhood retailer where backlog happened. This also restrict the purpose of the inventories held by RDC as only regular supply. All of which leads to the creation of more realistic method allowing the affiliation of closing related RDC with one in the vicinity. In this study, the role of RDC is restricted only as supplying items regularity and the conruction of distribution system processing through the closing by consideration of the possibility of supplying retailers from the RDC in the vicinity is discussed.

• 건축역사연구
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• 제28권3호
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• pp.45-54
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• 2019

Mandongmyo(萬東廟) was a shrine built for two emperors of the Ming Dynasty in Huoyangri, Cheongju. Since the 17th century, the classical scholars of the Joseon Dynasty had valued Mandongmyo Shrine as a place for the so-called Jonjudaeui(尊周大義). In 1865, however, the shrine was demolished and ruined, afterward rebuilt by King Gojong(高宗) in 1874. King Gojong played an important role in the construction plan for the new shrine, which he adjusted the layout of the building and named it. Unlike in the past, the reconstructed shrine was thoroughly led by the government, and its architectural character was greatly transformed. The reconstructed Mandongmyo was respected as the national shrine, but subjected to oppression by the Japanese imperialism. The 68 years after it was rebuilt, the shrine was destroyed on the charge of inciting the sense of national consciousness.

• 건축역사연구
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• 제29권6호
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• pp.89-100
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• 2020

This paper sought to examine characteristics and differences of the construction methods and the materials of the wall repair by three command through individual command records and national documents. This paper is based on the management section of three commands(Samgunyoung), which was in charge of a repair and management of Hanyangdoseong(Seoul city wall) in 18th century. The purpose and background of the study are as follows. First, through each inscribed stones on the rampart and the parapet, it is to grasp accurately the point of change of Hanyangdoseng after the 18th century. Second, through inscribed stones, the site evidence of the repair work in the late Joseon Dynasty, it is to find out the aspects of the development process of repair and reconstruction technology of Hanyangdoseng.

• 한국진공학회:학술대회논문집
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• 한국진공학회 2009년도 제38회 동계학술대회 초록집
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• pp.357-357
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• 2010

Using ab initio density functional theory, we study the structural and electronic properties of interface between Cu surface and highly electron withdrawing hexaazatriphenylene-hexanitrile (HAT-CN) known as an efficient hole injection layer for organic light emitting diodes (OLEDs). We calculate the equilibrium geometries of the interface with different HAT-CN coverages. Usually, some of C-N bonds located at the edge of the HAT-CN molecule are deformed toward Cu atoms resulting in the reconstruction of Cu surface. By analyzing the electron charge and the potential distributions over the interface, we observe the formation of surface dipoles, which modify the work function at the interface. Such dipole formation is attributed to two origins, one of which is a geometrical nature and the other is a bond dipole. The former is related to structural deformation mentioned above, whereas the latter is due to charge transfer between organic and metal surface.

• 진공이야기
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• 제5권2호
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• pp.10-17
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• 2018

Chalcogenide and oxide heterostructures have been studied as a next-generation electronic materials, due to their interesting electronic properties, such as direct bandgap semiconductor, ferroelectricity, ferromagnetism, superconductivity, charge-density waves, and metal-insulator transition, and their modification near heterointerfaces, so called, electronic reconstruction. An angle-resolved photoemission spectroscopy (ARPES) is a powerful technique to unveil such novel electronic phases in detail, especially combined with high quality thin film preparation methods, such as, molecular beam epitaxy and pulsed laser deposition. In this article, the recent ARPES results in chalcogenide and oxide thin films will be introduced.

• 한국광학회:학술대회논문집
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• 한국광학회 2008년도 하계학술발표회 논문집
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• pp.169-171
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• 2008

마이켈슨 간섭계 시스템에 두 개의 Convex Lens를 추가함으로서 평면파 참조광을 유지 시키며, 물체에 조사되는 물체광의 조사면적을 변화시킬 수 있는 새로운 형태의 마이켈슨 간섭계를 제작 하였다. 새로운 형태의 마이켈슨 간섭계를 반사형 디지털 홀로그래피 현미경 시스템(Digital Holography Microscope System)에 적용하여 촬상소자(CCD: Charge Couple Device)에 홀로그램 기록 시 기록 가능한 CCD의 유효 영역과 재생 가능 영역에 대해 연구를 하였다

• 치과방사선
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• 제29권2호
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• pp.387-396
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• 1999

In dentistry. RadioVisioGraphy was introduced as a first electronic dental x-ray imaging modality in 1989. Thereafter. many types of direct digital radiographic system have been produced in the last decade. They are based either on charge-coupled device(CCD) or on storage phosphor technology. In addition. new types of digital radiographic system using amorphous selenium. image intensifier etc. are under development. Advantages of digital radiographic system are elimination of chemical processing, reduction in radiation dose. image processing, computer storage. electronic transfer of images and so on. Image processing includes image enhancement. image reconstruction. digital subtraction, etc. Especially digital subtraction and reconstruction can be applied in many aspects of clinical practice and research. Electronic transfer of images enables filmless dental hospital and teleradiology/teledentistry system. Since the first image management and communications system(IMACS) for dentomaxillofacial radiology was reported in 1992. IMACS in dental hospital has been increasing. Meanwhile. researches about computer-assisted diagnosis, such as structural analysis of bone trabecular patterns of mandible. feature extraction, automated identification of normal landmarks on cephalometric radiograph and automated image analysis for caries or periodontitis. have been performed actively in the last decade. Further developments in digital radiographic imaging modalities. image transmission system. imaging processing and automated analysis software will change the traditional clinical dental practice in the 21st century.