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NATM 터널 굴진 시 안전관리를 위한 재해영향요인 및 중요도에 관한 연구
이영수,윤영근,오태근,Lee, YoungSoo,Yoon, Younggeun,Oh, Taekeun 국제문화기술진흥원 2022 The Journal of the Convergence on Culture Technolo Vol.8 No.6
In the NATM tunnel construction method for urban subway and underpass construction, various causes of disaster exist. In this study, in order to analyze the importance of disaster influencing factors during NATM tunnel excavation, the possible risk factors were analyzed through prior research such as drilling, charging and blasting, It was divided into the work items of wrinkle treatment, pumice cleanup, and support materials. Next, the final 21 detailed measurement indicators were selected through the FGI survey of related experts, and AHP (Analytic Hierarchy Process) analysis were conducted. As a result, it was found that the workers involved in the tunnel construction were the most influential disaster influencing factor.
승선근무자의 병역법 논란과 비상대비자원법에 따른 역할수행 방안
이영수(Youngsoo Lee),임요준(Yojoon Lim),이윤철(Yuncheol Lee) 한국법학회 2018 법학연구 Vol.72 No.-
최근 국방개혁에 따른 병력감축과 대법원의 양심적 병역 거부 무죄 판결에 이어 병역법의 한 수단인 대체복무제가 국민적 관심으로 논쟁이 뜨겁다. 이와 관련된 여러 의견수렴에 있어서 반드시 지켜야 할 기준은 공정성과 형평성이다. 그 중 형평성은 대체복무제도의 성패를 가늠하는 중요한 열쇠이며, 무엇보다 현재 군 복무 중인 젊은이들의 사기(士氣) 저하가 국방력 약화로 이어질 수 있기 때문이다. 또한 국가비상사태 및 재난시 국가생존의 지속능력을 유지시키는 조선해운분야의 선박과 전문인력 등에 있어서 경영난의 침체와 저임금 외국노동자에 의해 시장의 점식되고 있다. 이에 병역법 상 승선근무예비역 제도의 관리상의 문제점이 심각한 수준으로 치닫고 있으며, 복지와 인권의 사각지대로 자리잡아 제도상의 보안이 요구되고 있는 실정이다. 따라서 병역법에 대한 재진단과 향후 비상대비자원법 등이 국가안보와 해양력에 미치는 영향을 고찰해 보고 ‘승선근무예비역’의 형평성을 군사적 역할의 정당성으로 제시하고자 한다. This paper concerns the militarization of Merchant Marine Reserve for the naval force. The mobilization of merchant seamen in the history from Korean War to Iraq War exemplified the importance of merchant marines in sealift, and militarizing merchant marines and supporting mobilized merchant vessels have been pivotal for the victories in war. In times of war, Merchant Marine Reserve is thus expected to conduct roles as an irregular military component in modern warfare, and furthermore to serve as the fourth military force to assume strategical, operational, and tactical roles. This paper aims to present these strategical, operational, and tactical roles of merchant marines as military force and navy reserve force.
Severe acute respiratory syndrome coronavirus-2 대유행 중 알레르기 환자의 진료
이영수 ( Youngsoo Lee ),장재혁 ( Jae-hyuk Jang ),박해심 ( Hae-sim Park ) 대한천식알레르기학회(구 대한알레르기학회) 2021 Allergy Asthma & Respiratory Disease Vol.9 No.3
A novel coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in December 2019 in China. The mutated coronavirus spread worldwide, and some patients infected with SARS-CoV-2 developed coronavirus disease 2019 (COVID-19) manifested with upper respiratory infection, pneumonia, or respiratory distress. Since the SARS-CoV-2 pandemic was declared with surging confirmed cases and mortality of COVID-19 worldwide, it has reshaped our way of living and how to manage patients with allergic diseases. The medical staff, including allergy specialists, has been at the forefront of fighting against the SARS-CoV-2 pandemic and is struggling to guarantee safety to themselves and their patients. Thanks to vigorous research into the relationship between SARS-CoV-2 and allergic diseases, we have become able to treat allergic patients with the best of evidence to date. The clinician should make a careful decision on each clinical situation with regard to patient characteristics, local and national circumstances as well as the knowledge we have, since it is still limited. We hope further efforts to identify the nature of SARS-CoV-2 and COVID-19 clearer and effective SARS-CoV-2 vaccination will soon remove the grim picture of the worldwide pandemic and bring us back to normal. (Allergy Asthma Respir Dis 2021;9:115-123)
이영수(Lee, Youngsoo),이종필(Lee, Jongpil) SH도시연구원 2018 주택도시연구 Vol.8 No.3
A known trend in the housing market is that prices and trading volume correlate with each other and the correlation is built on the causal relationship between the two housing market variables. This paper investigates whether the price-volume causality can be used to enhance the forecasting power in the prediction of the price and the volume. Using Seoul and Busan housing market data for the period of Jan. 2006 to Mar. 2018, dynamic out-of-sample forecasting exercises were implemented in a recursive estimation scheme. The empirical results were as follows: Firstly, Johansson cointegration test showed that a long-run equilibrium relationship between price and volume holds for both cities. Secondly, Granger-causality of price to volume is strong while the causality of volume to price is weak. Thirdly, VEC model and VAR model deliver better forecasting performances than AR model, along with statistical significance. Fourthly, improvement of volume forecast prediction performance is much bigger as compared to the improvement in the price forecast. It is worth noting that higher Granger-causality leads to bigger forecasting power.
이영수(YoungSoo Lee),한기환(Gihwan Han),정윤구(YunGu Jeong),김영진(YeonGjin Kim),한새론(SaeRon Han),이성용(SeoungYong Lee),최관순(KwanSun Choi) 한국정보기술학회 2012 Proceedings of KIIT Conference Vol.2012 No.11
본 연구에서는 LabVIEW와 웹캠을 이용해 방범시스템을 구축하였다. LabVIEW Machine Vision을 이용해 웹캠의 영상을 분석하여 화면 내에 기존과 다른 물체가 들어왔는지 검출하는 구조로 되어있다. 다른 물체가 검출이 되면 이를 사용자에게 알리는 동시에 현 상황을 녹화하고 침입자에게 경고음을 방송하게 설계되었다. 따라서 이 시스템은 고가의 장비가 필요하지 않고 구성이 간단하여 일반 가정이나 고정된 물체를 감시할 때 사용할 수 있다. In this study, we implemented a crime prevention system using LabVIEW and web camera. It detect changes in a screen by analyzing the image of the web camera using LabVIEW Machine Vision. In case of a change detecting the system notify user, recording the current situation and caution suspicious object or criminal. Therefore, It dies not require expensive equipment and can be used in monitoring a home or a fixed objet.
2단 압축 수열원 열펌프 시스템의 부분부하 운전특성에 관한 연구
이영수(YoungSoo Lee),백영진(YoungJin Baik) 한국지열·수열에너지학회 2009 한국지열에너지학회논문집 Vol.5 No.1
The river water heat source heat pump has the advantage in the performance compared to air source heat pump. In this study, an experimental study on a 2-stage heat pump, which is designed to utilize a river water heat source, were carried out. Generally, a heat pump is designed for maximum capacity rate, but it actually operates at part load condition in most cases. Therefore, an information on the part-load characteristic is very important in view of the system overall performance. In this study, part-load performance tests of a R134a 2-stage compression heat pump were carried out over the river water and supply heating water temperature changes.
집적검증 기법을 채용한 하드웨어 / 소프트웨어 동시검증
이영수(Youngsoo Lee),양세양(Seiyang Yang) 한국정보과학회 2002 정보과학회 컴퓨팅의 실제 논문지 Vol.8 No.3
SOC(System On a Chip)에 대한 설계에서 설계 생산성을 향상시키기 위해서 가장 시급히 해결해야 할 과제가 하드웨어뿐만 아니라 소프트웨어까지도 함께 동시검증(co-verification)하여야 함으로서 설계검증에 과도하게 투입되는 비용과 시간을 줄이는 것이다. 본 논문에서는 이러한 설계검증 생산성을 효과적으로 높이기 위한 방법으로 HW/SW 동시검증을 수행할 수 있는 대표적인 두 방법들인 동시-시뮬레이션(co-simula tion)과 동시-에뮬레이션(co-emulation)을 강하게 결합한 새로운 검증 방법인 집적 동시검증(integrated co-verification) 방법을 제안하였다. 또한, 상용화된 동시검증 툴인 Seamless CVE와 물리적 프로토타이핑 보드를 함께 사용하여 구성한 ARM/AMBA 플랫폼 기반의 집적 동시검증 환경을 접 구성하고, 이를 이용하여 제안된 검증기법의 유용성을 실험적으로 확인하였다. In SOC(System On a Chip) designs, reducing time and cost for design verification is the most critical to improve the design productivity. This is mainly because the designs require co-verifying HW together with SW, which results in the increase of verification complexity drastically. In this paper, to cope with the verification crisis in SOC designs, we propose a new verification methodology, so called integrated co-verification, which tightly combine both co-simulation and co-emulation in unified and seamless way. We have applied our integrated co-verification to ARM/AMBA platform-based co-verification environment with a commercial co-verification tool, Seamless CVE, and a physical prototyping board. The experiment has shown clear advantage of the proposed technique over conventional ones.