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농촌지역 실버타운의 수요예측을 위한 노인인구이동 모형의 개발
정남수,이정재,김한중,윤성수,Jung, Nam-Su,Lee , Jeong-Jae,Kim , Han-Joong,Yoon , Seong-Su 한국농공학회 2004 한국농공학회논문집 Vol.46 No.2
An areal elderly migration model (AEMM) was developed to assess the demand of rural development projects targeted towards elderly people. The AEMM was developed with adaptation of the gravity model to represent spatial interaction regarding amenities. Areal characteristics were classified for estimating the amenities from the perspective of net migration. From 1990 to 2000, data were acquired from USCB, PASDA, PAHEALTH, PADCNR, PFBC, and NCDC in 67 Pennsylvania counties for analysis and application. The results revealed that elderly migration can be explained not only by areal characteristics but also by spatial interaction considering the population, distances, and amenities of surrounding areas.
정남수,이정재,Jung, Nam-Su,Lee, Jeong-Jae 한국농공학회 2006 한국농공학회논문집 Vol.48 No.1
In the evaluation of rural amenities, its properties are related with social, cultural, and environmental elements. In this study, Information Measure Model (IMM) and Cultural Property Priority Assessment Model (CPPAM) were developed adapting information measure model with text based surveying data. To apply developed model not only general properties but also specific surveyed data, Specific Information Gathering and Utilizing System (SIGUS) was constructed using the data in Dusan World encyclopedia. IMM shows priorities of cultural property by information in national-designated cultural properties. And CPPAM applied in surveying data in 2004 by Rural Resources Development Institute.
정남수,최원,이호재,김한중,이정재,김종옥,Jung , Nam-Su,Choi, Won,Lee, Ho-Jae,Kim , Han-Joong,Lee , Jeong-Jae,Kim, Jong-Ok 한국농공학회 2004 한국농공학회논문집 Vol.46 No.5
Methodologies of the finite element and boundary element are combined to achieve an efficient and accurate analysis model of frame structure containing shear wall. This model analyzes the frame by employing the finite element method and the shear wall by boundary element method. This study is applicable to a specific situation, where the boundary element is surrounded by finite elements. By employing FE dominant method in which boundary stiffness matrix is transformed into finite element stiffness matrix, boundary element and finite element method are combined to analyze frame structure with walls.
노령화사회에 대비한 농촌지역 장수도의 정의 및 장수지역 기준마련에 관한 연구
정남수 ( Jeong Nam Su ),이정재 ( Lee Jeong Jae ),김한중 ( Kim Han Jung ),이지민 ( Lee Ji Min ),서교 ( Seo Gyo ),이호재 ( Lee Ho Jae ) 한국농촌계획학회 2003 농촌계획 Vol.9 No.3
In this study, the longevity index was suggested for researches about social and environmental effects to human immorality and criteria for defining longevity area were developed using statistical analysis. Candidates indexes based on researches about the trend of human death ratio were investigated. As a result statistical analysis ratio of population over 85 years old and over 65 years was selected as a longevity index. Statistical analysis on the longevity distribution at each district showed that `eup` and `myun` are appropriate spatial unit to study social and geographical characteristics of longevity. The spatial analysis using the ArcView^(TM) with the suggested index shows the time dependent variances of degree of immorality and spatial relationship between degree of immorality and human migration.
정남수 ( Nam Su Jung ),이지민 ( Ji Min Lee ),이정재 ( Jeong Jae Lee ) 한국농촌계획학회 2004 농촌계획 Vol.10 No.2
According to the growing concerns of the public with efficiency and effects of regional policies, their assessment works have become an important issue. Up to now, several studies have been carried out on economic effects of policies using conventional cost/benefit analysis, while there have been few studies on assessment of amenity oriented policies. From the above consideration, this study tried to develop An Annual Expenditure Assessment Model (AEAM) for amenity-oriented policy-making in rural area. As a pre-work for model development, the hierarchical indices system for rural development and the classification system of expenditure were designed. Being based on high significant relationship between rural amenities and local government expenditure, a linear optimization model for maximization of regional amenity was constructed. Through a case study of Sunchang-gun, Chonbuk-province, the model applicability was ascertained.
이제명,정남수,이정재,Lee, Je-Myung,Jung, Nam-Su,Lee, Jeong-Jae 한국농공학회 2007 한국농공학회논문집 Vol.49 No.4
In the evaluation of rural amenity, it is hard to estimate the worth of rural amenity as numerical values. To evaluate the worth of an abstract idea, information measure technique(IMT) can be used. In this research, rural amenity priority assessment model(RAPAM) was developed adapting IMT. To apply the developed model for assessment of rural amenity, an encyclopedia was used as information gathering and utilizing system(IGUS). The application result of the developed model which was compared with the result of survey have similar trend. $R^{2}$ is 0.8539, RMSE is 0.382 and the applicability of RAPAM was proved.
정보계측기법을 응용한 공공시설의 평가지표 중요도 산정 모델의 개발
나주엽,정남수,이정재,Na, Joon-Yeup,Jung, Nam-Su,Lee, Jeong-Jae 한국농공학회 2005 한국농공학회논문집 Vol.47 No.2
In evaluation of public works, its components related with benefit and cost in feasibility analysis can be classified to quantative and qualitative elements, To evaluate qualitative components which can not be calculated by numerical value, several methods are used to assess relative importance. AHP (Analytic Hierarchy Process) is representative method which can evaluate importance, but it has difficulties in organization of expert group, execution of question, and subjective decision of questioner. Information measure technique can be used to evaluate these qualitative importance of environmental and social components in public works planning. In result of comparing importances of AHP and information measure technique, it has statistical significance in of road project.
네트워크 중심성 분석을 통한 고병원성 조류인플루엔자 확산 차단
이형진,정남수,문운경,이정재,Lee, Hyung-Jin,Jung, Nam-Su,Moon, Woon-Kyung,Lee, Jeong-Jae 한국농공학회 2011 한국농공학회논문집 Vol.53 No.1
Highly pathogenic avian influenza could not be identified visually. It takes time to identify the symptoms by its incubation period. Without taking a quick step, the diffusion area of HPAI has dramatically increased, the extent of damage becomes bigger. In network research, the algorithm of finding the central node on the network applied to various diffusion of epidemic problems, was used in control system of tracing the diffusion path, blocking central nodes. This study tried to make the diffusion of HPAI network model for the crowded farms area, and reduce the diffusion rate to control the high-risk farms.