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플랜트 프로젝트 사업기획단계 표준 업무 프로세스 개발 - 사업발굴 및 사업참여 결정을 중심으로 -
이도윤,최창훈,원서경,조문영,한충희,이준복,Lee, Do-yun,Choi, Chang-Hoon,Won, Seo-kyung,Cho, Moon-Young,Han, Choong-Hee,Lee, Junbok 한국건설관리학회 2016 한국건설관리학회 논문집 Vol.17 No.4
최근 국내 기업의 해외 플랜트 수주는 꾸준히 증가하는 추세이며, 2014년 상반기의 수주액은 전년도 대비 93% 이상 크게 증가되었다. 또한, 2015년 3사분기가 지난 현재, 해외 플랜트 수주액은 이미 2,498억 달러를 넘어섰다고 조사된 만큼 플랜트 산업에 대한 관심이 증가되고 있다. 플랜트 프로젝트의 생애주기 중 시공 이전 단계의 건설 사업관리(CM)는 사업 초기 단계에 내재된 불확실성을 보완하고, 합리적인 의사결정을 지원한다는 측면에서 그 역할의 중요성이 대두되고 있다. 그 중에서도 사업 기획 단계의 사업 발굴 및 사업 참여방안 검토 업무는 향후 사업의 성공과 실패를 좌우할 수 있는 큰 영향력을 가진 중요한 업무이지만, 의사결정을 위한 각 분야 간의 빈번한 협의, 그리고 이에 따른 계속된 수정, 변경 등과 비효율적인 반복 작업이 문제가 되고 있다. 따라서 이를 효과적으로 수용할 수 있는 업무 프로세스의 변화가 필요하게 되었고, 본 논문에서는 플랜트 프로젝트 기획 단계의 '사업 발굴 및 사업 참여방안 검토'를 대상으로 주요 업무 항목을 도출하고 전문가 자문을 활용한 델파이 분석을 통해 표준화된 업무 프로세스를 정립하였다. 본 논문의 결과는 우리나라 EPC 기업이 해외시장에서 기획 분야의 기술 경쟁력을 확보하고 업무 효율성을 제고할 수 있는 기반을 마련하는 데에 활용될 수 있을 것으로 기대된다. Recently, overseas plant orders of domestic enterprises are steadily increased, and the amount of orders in the first half of 2014 were 93% increased compared to the previous year. In addition, now which is the third quarter of 2015, overseas plant orders are already over 249.8 billion dollars so the interests of plant industry research has been increased. In the life cycle of the plant project, CM before the construction stage is to complement the uncertainties that are inherent in the early stages of the project, and from the viewpoint of supporting the rational decision-making, the importance of its role is on the rise. Among them, excavating and investing participation plan in the planning stage is an important work that has a large impact force to influence the success and failure of future project. However, the work has become a problem with frequent consultations due to decision-making, continuous modification, and inefficient repetitive tasks. Therefore, it is needed that work process should be changed to effectively accommodate. The purpose of this paper is to derive the major work items for excavating and investing participation plan in the planning stage of the plant project, and establish a standardized work process through the Delphi analysis. The result of this study is expected to be utilized for EPC companies in ensuring the technical competitiveness in planning on overseas markets, and improve the efficiency of work.
이도윤,남궁미경,김황민,임백근,Lee Do-Yoon,NamGoong Mee-Kyung,Kim Hwang-Min,Lim Baek-Keun 대한소아신장학회 1997 Childhood kidney diseases Vol.1 No.2
Cyclosporine is an immunosuppressant usually used to prevent renal transplantation rejection. Nephrotoxicity and hypertension are considered as the most frequent side effects of cyclosporine treatment. The neurotoxic effects of cyclosporine such as agitation, anxiety, delirium, depression and psychosis have recently been found. Methylprednisolone may increase as well plasma concentration of cyclosporine, which leads to side effects. Here we report a $Henoch-Sch\"{o}nlein$ nephritis patient treated with cyclosporine and methylprednisolone who has experienced psychosis including visual and auditory hallucination and convulsion.
공기흡입식 추진기관용 연료조절밸브시스템 개발에 관한 연구
이도윤,최현영,박종승,구자용,Lee, Do-Yun,Choi, Hyun-Young,Park, Jong-Seung,Koo, Ja-Yoeng 한국군사과학기술학회 2005 한국군사과학기술학회지 Vol.8 No.4
In this paper, we have proposed a fuel metering unit of ai breathing engine. The proposed valve system consists of a constant pressure drop valve and a metering valve, which are controlled by servovalve. We carried out nonlinear and linear analysis, computer simulation and experimentation to find effects of some factors on system performance. Analysis and experimental results show a good agreement. It is also shown that the system stability is affected by pressure drop of metering valve and inlet pressure of injectors.
스마트폰 기반하의 차량 원격제어 및 관리 시스템에 관한 설계 및 구현
이도윤 ( D. Y. Lee ),이호창 ( H. C. Lee ),정용우 ( Y. W. Jung ),김현수 ( Hyunsoo Kim ),김시관 ( S. G. Kim ),최인주 ( I. J. Choi ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.1
본 논문에서는 스마트폰을 이용하여 차량을 원격시동 제어 및 관리하는 원격시동 관리 시스템을 제안한다. 이 시스템은 고가의 차량을 관리 및 제어하는 시스템인 만큼 작동의 신뢰성을 중요시 한다. 그래서 기존의 소형 리모콘 방식의 차량 원격시동 제어관리 시스템을 활용하여 시스템 작동의 신뢰도를 높였으며, 기존의 소형 리모콘 제어 환경에서 스마트폰으로 옮겨옴으로써, 기존의 입력 및 제어의 불편함을 해결하였다. 그리고 기존 존재하는 블루투스와 CDMA를 사용하는 차량 원격시동 제어 관리 시스템의 거리 및 속도, 비용 등의 문제점도 개선하였다.
포스트 코로나 시대의 주거기능 변화와 공간선호 - 에코부머 세대를 위한 평면제안 -
이도윤(Lee, Doyun),권오정(Kwon, Oh-Jung),김진영(Kim, Jinyoung) 한국주거학회 2022 한국주거학회 논문집 Vol.33 No.2
The purpose of this study was to propose a floor plan by analyzing the changes in the housing function and preference of the living space in the post covid era for the echo-boomer generation. Through a survey of 300 echoboomer generation, the changes in the frequency of daily living activities after Covid 19 were identified to understand the changes in housing function, and the preference of the living space and the floor plan were investigated to propose the floor plan. As a result of the study, ‘comfort’ increased the most in the housing function in the post covid era, and the ‘open-seeking type’ and ‘layered home preference type’ were the most frequent for the residential function preference. Accordingly, for the echo-boomer generation in the post covid era, floor plan elements such as a spacious veranda, division of space according to function, disinfection space at the entrance, and convenient movement lines for delivery were included. Including these floor plan elements, three floor plans were proposed for single-person households, couples without children, and couples with children among the echo-boomer generation.
뉴노멀 시대의 새로운 주거기능과 평면제안 ; 에코부머 세대를 대상으로
이도윤(Lee, Do Yun),권오정(Kwon, Oh-Jung) 한국주거학회 2021 한국주거학회 학술대회논문집 Vol.33 No.2
The purpose of this study is to establish a new housing function in the new normal era for the echo-boomer generation, who will be the main consumer class in the housing market, and to propose a floor plan accordingly. First, through a survey of 300 Echo-Boomers, we investigated and analyzed changes in the frequency of daily living activities at home, preference for living space, psychological changes, and preference of the floor plan after COVID 19 by household type. Next, by analyzing the results, we established the housing function in the New Normal Era and proposed specialized floor plans accordingly. As a result, ‘Comfort’ increased the most in the housing function in the new normal era, and ‘Open-Seeking type’ and ‘Layered Home Preference type’ were the most frequent in the results of the housing space preference analysis. Therefore, we propose three concepts of specialized floor plan for the new normal era by household type; ‘Home-Ludens’ plan for single-person households, ‘Work & Life’ plan for couples without children, ‘Clean & Nurture’ plan for couples with children.
링곤베리 분말 첨가 요구르트 샐러드드레싱의 품질 특성 및 항산화능
이도윤(Lee, Do Yun),정해정(Chung, Hai-Jung) 충북대학교 생활과학연구소 2020 생활과학연구논총 Vol.24 No.1
This study evaluated the quality characteristics and antioxidant activity of yogurt salad dressing, prepared with lingonberry (Vaccinium vitis-idaea L.) powder (0, 1, 3, and 5%). The pH of the yogurt decreased with increasing amounts of lingonberry powder. Moreover, titratable acidity, sugar content, and viscosity increased as the amount of lingonberry powder increased. The lightness (L) value decreased, whereas the redness (a) value increased with increasing amounts of lingonberry powder. The consumer acceptance test revealed no significant difference between the control group and the groups containing 1 and 3% lingonberry powder in terms of color, smell, and overall acceptability. The total polyphenol and total anthocyanin content ranged from 3.99∼26.69 mg gallic acid equivalent/100 g and 0.02∼7.90 mg/100 g, respectively, which increased as the amount of lingonberry powder increased. The antioxidant activity, which was measured by the DPPH radical scavenging assay, superoxide anion radical scavenging activity, and reducing power increased as the amount of lingonberry powder increased. Taken together, addition of up to 3% of lingonberry powder can improve the antioxidant properties of yogurt salad dressing without affecting its sensory qualities.
일 대학병원 정신과 외래를 방문한 우울증 환자에서의 하지불안증후군
이도윤(Do-Yun Lee),사공정규(Jeong-Kyu Sakong),곽경필(Kyung-Phil Kwak),한영훈(Young-Hoon Han),손용표(Yong-Pyo Son),박창증(Chang-Jeung Park),원승희(Seung-Hee Won),이광헌(Kwang-Hun Lee) 대한생물치료정신의학회 2011 생물치료정신의학 Vol.17 No.1
Objectives : This study was designed to investigate the clinical characteristics, relationship with antidepressants and incidence of restless legs syndrome(RLS) in depressed outpatients. Methods : Total 160 adult patients(male 32, female 128) of psychiatric outpatient were enrolled in this study. We use the diagnostic criteria of International RLS Study Group(IRLSSG) for RLS. Also WHO quality of life scale abbreviated version(WHOQOL-BREF), Hamilton Depression Rating Scale-17(HAM-D) and Pittsburgh Sleep Quality Index(PSQI) was used to investigate the relationship between RLS and depression severity, quality of life, sleep quality. Results : In 39(24.4%) out of the total 160 patients were diagnosed as having RLS. Among those 39 RLS patient, 19 patients(48.7%) was reported to have developed their RLS after starting depression treatment. The RLS group showed higher PSQI and HAM-D scores(p=0.02, p<0.01) and lower WHOQOL-BREF score(p=0.06) compared to those of non-RLS. Compared to those of non-RLS group, the bupropion group showed a significantly low rate of RLS group (p=0.043) and the venlafaxine group showed a significantly high rate of RLS group(p=0.018). HAM-D score 7 or more group caused RLS 4.5 times compared those of less than HAM-D score 7 group. Conclusion : In this study, depressed outpatients showed high incidence rate of RLS and RLS had influence on sleep quality, depression severity and quality of life. Moreover, certain antidepressants had potential to induce RLS. Therefore, these results suggest that appropriate treatment for depression is required to clinicians and development of RLS from depressed patients should be carefully monitored. Further research about the relationship between antidepressant and RLS is also necessary.