• Information and Communications Magazine
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• v.20 no.7
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• pp.908-925
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• 2003

재해나 재난 발생 시 재난 대비 비상통신시스템의 미비로 인하여 인명이나 재산상의 피해를 늘리기도 하고, 재난 복구에 차질을 빚게 하기도 한다. 따라서 각 국에서는 재난 대비 비상통신시스템을 정부 주도로 정비하여 재난 발생 시 신속한 통신시스템 운용으로 피해를 줄이고자 노력하고 있다. 그리고 표준화 단체를 중심으로 비상통신시스템에 대한 표준을 개발하고 있다. 본 고에 서는 외국의 비상대비 통신 프로그램에 대하여 미국의 사례를 중심으로 알아보고, 표준화 기구의 기술개발 동향을 살펴보고 시사점을 도출하고자 한다.

• Proceedings of the Korea Contents Association Conference
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• 2018.05a
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• pp.385-386
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• 2018

본 연구는 안동시 중구동을 사례로 역사문화자원을 활용한 도시재생 방안을 제안하였다. 주요내용은 관광상품개발, 체험프로그램, 축제이벤트, 스토리텔링, 영상콘텐츠개발, 환경정비가 있다.

• Proceedings of the Korea Water Resources Association Conference
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• 2011.05a
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• pp.327-327
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• 2011

본 연구에서는 영국 환경청의 지원 하에 HR Wallingford에서 2003년에 개발한 Conveyance Estimation System(CES)을 이용하여 하천 조도계수를 산정해보고자 하였다. CES프로그램은 하천지형 정보인 단면 형상, 하상경사, 하상재료, 식생 상태 등의 정보를 바탕으로 임의 단면내 각 저항요인에 따라 프로그램에서 제시하고 있는 조도계수를 적용함으로써 수위변화에 따른 단면적, 유량, 통수능, 동수반경 등의 계산 결과를 제공한다. 이러한 계산 결과들을 Manning식에 대입함으로 써 유량 변화에 따른 조도계수를 산정할 수 있다. 섬진강 곡성 지점에 CES프로그램을 적용하여 계산된 조도계수를 실측 조도계수, 하천정비기본 계획에 제시된 조도계수와 비교하였다. 산정된 조도계수는 모두 유량 증가에 따라 감소하는 경향을 보이며, 약 $1,000m^3/s$이상의 고유량에서 실측자료를 이용하여 산정된 조도계수와 유사한 값에서 수렴하는 결과를 나타내고 있다. 섬진강 곡성지점 외에 추가 지점을 분석한 결과에서도 실측 조도계수와 CES를 이용한 조도계수가 큰 차이를 보이지 않았다. 따라서 CES프로그램을 이용하면 하천의 지형 정보만을 가지고도 조도계수, 수위-유량 관계식 등의 추정이 가능하기 때문에 실무적으로 유용하게 사용될 것이다.

• The Bulletin of The Korean Astronomical Society
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• v.44 no.1
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• pp.66.1-66.1
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• 2019

성곡오색별빛마을은 경상남도 창녕군의 대산, 월곡, 안심, 연당, 연화 다섯 개의 마을 주민들이 만든 천문대시설이다. 창녕군 농어촌공사의 권역단위 종합정비사업으로 2013년 시작하여 2017년까지 건립되었다. 현재 성곡오색별빛마을 영농조합법인에서 시설 전반을 운영하고 있는데, 한국아마추어천문학회 경남지부에서 천문 프로그램을 운영하고 있다. 본 발표에서는 성곡오색별빛마을에 대한 소개와 더불어 최근 한국아마추어천문학회 경남지부의 천문지도사 양성프로그램과 정기관측회 및 교육기부를 통한 천체관측 문화 확산 및 경남메시에 마라톤 등에 대한 소개를 하고자 한다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.12
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• pp.387-394
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• 2020

The aim of this study is to improve the "empty house problem" in Korea. The direction of improvement of systems in Korea was considered and compared with empty house systems in the United Kingdom, France, Germany, the United States, and Japan. Korea's system is based on comprehensive regulations centered on the demolition of empty houses. To actively solve the problem of unoccupied houses, detailed guidelines are needed, which must consider the current status and surrounding environment of empty houses. There should be institutional grounds for local governments to actively intervene in the issue of empty houses, and there should be a system that enables tax and cost support for the reuse of such houses. An information sharing system is also needed for sharing empty house information among local governments. To utilize empty houses as resources for the housing market, it is necessary to establish a consultative system consisting of residents, urban and architectural experts, and private businesses.

• Journal of the Korea Institute of Building Construction
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• v.10 no.3
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• pp.39-47
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• 2010

The government has routinely made efforts to improve the living environment and infrastructure of less-developed areas through large area urban remodeling projects, which are in themselves attempts to overcome the disadvantages of piecemeal local area development. Such projects are very complex, and various stakeholders are involved. However, the data on such projects has not been well managed, and has not lent itself to being easily adopted to similar projects. In addition, there are numerous fragmented mega-projects that seem to be performed based on "rules of thumb" To address this issue, the work process of many urban and residence project types should be standardized otherwise the participants will be confused to work properly. In particular, typical residents who lack knowledge about building redevelopment, building remodeling, urban environment improvement projects, and the like think that it is difficult to establish the preparation committees and association committees for the projects. Therefore, we examined previous researches related to the urban and building renovation to solve the prescribed present problems. This paper presents the three necessary research performances: first, we analyzed the administrative work process in the related laws; second, we examined the practical work process of the preparation committee and association committee stages; and finally we deduced the problem and presented the required improvements.

• Transactions of the Korean Society of Pressure Vessels and Piping
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• v.9 no.1
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• pp.1-7
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• 2013

In around 2000, the U.S. NPPs have developed the various advanced engineering processes based on the INPO AP-913(Equipment Reliability Process Description) and showed the high performance in availability. With these benchmarking cases, the Korean NPPs have introduced the advanced engineering technology since 2005. The first step of the advanced engineering is to analyze and determine component importance for all components of a plant. This process is called Functional Importance Determination(FID). These results are basically utilized to determine the priority with limited resources in various areas. However, because the consistency of FID results is insufficient despite applying the same criteria in the existing operating NPPs, the degree of application is low. Therefore, this paper presents the improved methodology for FID interfacing system functions of Maintenance Rule Program and results of Single Point Vulnerability(SPV). This improved methodology is expected to contribute to enhance the reliability of FID data.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.1
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• pp.33-38
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• 2013

The general purposed control system for driving a motion of many different typed robot end-effector, which consists of a controller based on ARM Cotex M3-11017 MCU and an application software for generating a motion of end-effector, was developed. Experimental results show that a positioning error is nearly negligible and a repeatability error is 0.04%. Accordingly the developed control system can be applied practically to actuate a robot end-effector for inspection and maintenance of steam generator heat pipe in nuclear power plant.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.49 no.4
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• pp.329-334
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• 2021

Korean Air has set the goal of the first stage of the development of unmanned helicopters to perform in hovering flight by remote control. In order to achieve the development goal, Korean Air carried out system integration, ground test, and safety wire test in sequence after carrying out programmed depot maintenance and aircraft modification of manned aircraft, and verified the controllability and flight safety of the unmanned helicopter system step by step. In particular, it was confirmed that the safety wire test technique used in the final stage of verification was an effective method to verify flight safety and controllability for a fully unmanned helicopter system.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.21 no.3
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• pp.9-14
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• 2013

Continuous airworthiness system is comprised of regulations and procedures to assure the safety and reliability through the total stage of development, certification and operation of aircraft. The purpose of this system is not only to provide the guidelines that should be kept by manufacturers and operators, but also to evaluate the maintenance capability in every activity of safety related procedures. During the development process of the mid and large size aircraft, operational experience should be reflected systematically for a safer and more reliable product by using the meaningful data base from operation. The relationship of safety roles between manufacturer and operator is mutually complementary, and the roles of each function have an influence to the next step. Overall structure of the procedure contains the concept of continuous analysis and feedback to achieve highest degree of safety and reliability during the entire life of aircraft. Finally, this paper describes how the feedback is made and used for aircraft design from operational experience under the continuous analysis and surveillance system.