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김진우,김영인 慶尙大學校 1999 論文集 Vol.38 No.-
This paper suggests that post-tensioned and dome-shaped space truss formed by post-tensioning is easy to fabricate in construction process. In particular, a laboratory model is used to show how a flat space truss system can be transformed into a dome-shaped space truss by means of post-tensioning. Geometric nonlinear analysis is used to predict the final shape of the space truss. The experiments indicates that the con-struction method can offer economy over traditional methods. In addition, the analysis indicates that when all the existing mechanisms are controlled, the nonlinear finite el-ement method is more reliable way to predict the shape of the dome-shaped space truss than the linear analysis.
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裵鐘淳,金泰鏞,金永仁 慶尙大學校生産技術硏究所 1998 生産技術硏究所論文集 Vol.14 No.-
Anchors are primarily used in construction of foundation of earth-supported and earth-retaining structures. The fundamental reason for using earth anchors in construction is to transmit the outwardly-directed load to the soil at a greater depth and father away from the structure. Although earth anchors have been used in practice for several hundred years, proper theoretical developments for modern engineering design have been taken place only during the past twenty years. Therefore, in this paper, some model experiments were performed ; circle type inclined plate anchor in condition of vertical embedment and various slope angles, embedding depth to check the characteristics of the uplift capacity. Sloped air - dried sandy ground were prepared and adopted to model experiment. The results are as follows: 1. The ultimate uplift capacity increased as the embedment ratio and the slope angle was increasing. 2. The uplift ground failure was fast occurred in a smaller embedment ratio by relation uplift capacity and displacement 3. In a smaller embedment ratio the variation of ultimate uplift capacity was a little but that was increased in proportion to a embedment ratio 4. Increasing ratio (k₁) of the ultimate uplift capacity by the slope angle was increased linearly but increasing ratio (k₂) of the ultimate uplift capacity by the embedment ratio was increased in parabolic type. 5. A coefficient of failure was increased in proportion to embedment ratio and a limit value of embedment ratio was decreased in a smaller slope angle.
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전문가시스템의 환경 개선을 위한 지식베이스 편집기의 설계
김영인,김승연 大田産業大學校 1995 한밭대학교 논문집 Vol.12 No.0201
Recently, expert system, one of the hottest research areas in Al, brings many studies and is used practice. However there are difficulties in implementation and use. These problems in building knowledge result from the large amount of knowledge and complexity in expertise. Furthermore, although the expert system is implemented well enough, it is hard to use appropriately. In order to resolve these shortcomings, we need the user interface and the knowledge base editor. The former can transfer knowledge to user easily and the later can provide good developmental environment. In this paper we present the design of MULTES and the implementation of knowledge base editor using multimedia of its component. The MULTES provides the total developmental environment including knowledge base editor, checker and explanation facility. The knowledge base editor can offer to use the system easily and to represent knowledge widely. And, it uses multimedia data-text, sound, graphic, and image types. An example of applications, the fault diagnosis rules of RCP of nuclear power plants is presented.
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선호디자인 감각에 따른 의복구매자유형과 관련된 생활양식 특성연구 Ⅰ
김영인 연세대학교 생활과학연구소 1988 生活科學論集 Vol.2 No.-
The purpose of this study was to classify consumers into categories based on preferred design type and describe the resulting categories in terms of lifestyle, clothing and demographic variables. Data were obtained from questionnaires completed by 624 consumers of ages from 15 to 69 living in Seoul. Data were analyzed using factor analysis, multiple discriminant analysis, cluster analysis, one-way ANOVA and CROSSTABS. Resulting categories were labeled as casual, mannish elegant and femine types. Descriptive profiles of the four categories were developed using three clothing factors: factor 1(comfort and modesty), factor 2(conformity), factor 3(interest in aesthetics), four lifestyle factors: factor 1(soundness in familylife), factor 2(interest in formality), factor 3(practical improvement in life), factor 4(positive opinion leadership) and demographic variables.
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김영인 同德女子大學校 情報科學硏究所 2005 정보과학연구 Vol.9 No.-
e-learning의 구성주의 학습기법은 학습행위에 초점을 두고 있다. 학생의 자율학습을 이루기 위하여 정확하고 다양한 학생정보를 요구한다. 학습의 각 단계를 지적단위로 생각하고 학습은 이 지적단계를 차례로 구성하는 것으로 본다. 따라서 지적 단계를 learning object(lo)로 작성하는 일이 필요하다. 모든 학습과정을 lo 단위로 구축한다. 그리고 학생의 학습능력에 맞추어 필요한 lo를 구성하는 일이 필요하다. 이를 위하여 학생모델, 학습모델, 학습전략, 교육방법의 지원이 동기적으로 운영되어야 한다. 본 연구에서는 이 과정을 시스템에서 운영할 수 있는 시스템 설계를 제안한다. This study focuses on the constructive for e-learning behavior to exposure on learn's need's and background. Adaptive knowledge construction are learning object which has self-contained min segment as well as metadata attributes and procedures. The standard specification of learning objects to incorporative self-adaptive learning attributions. This proposed adaptive learning architecture for e-learning model design approach is included past experiences and reusable lo unit and supports learning navigation.
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김영인,유광하,박영배 명지대학교 공학기술연구소 1994 공학기술연구소 논문집 Vol.9 No.-
Recently the time series pattern increasingly requires access of large quantities of data, this paper present indexing methodologies enhanced to meet the sequence relation and the preselection using some multidimensional spatial files regarded as a frame of the time series pattern is a point in multidimensional space. To retrieve the time series patterns, this paper describes a structural comparing the performance of grid file, multilevel grid file, and time series pattern file, improved time seires pattern file, as used by directory size, hyperplane search, directory split. And three types of queries are expected : range, similar, exact match. Results suggest that the improved time series pattern file is best type of file structure for all types of queries.
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