• 제목/요약/키워드: case study methodologies

검색결과 351건 처리시간 0.025초

형상정보가 없는 공종의 속성정보모델링 기법 개발에 관한 연구 (A Study on the Development of the Property Information Modeling Methods for the Trades without Shape Information)

  • 이민철;이상진;옥종호
    • 한국CDE학회논문집
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    • 제16권2호
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    • pp.114-125
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    • 2011
  • Construction industries worldwide have moved to Building Information Modeling environment in conjunction with IT technology progress. Korean domestic construction market is in the midst of enthusiastically adopting BIM technique and the public sectors try to apply the method to their projects. Difficulties have been introduced, however, in doing so mainly due to the complexity in reflecting the distinctions of the public cost estimate requirements to BIM modeling. The main objective of this study is to propose four kinds of BIM property information modeling methodologies which would be used in the quantity surveys of the public construction projects. To evaluate the applicability of the suggested modeling methods, the research performed a case study.

기업 액티비티 모델 통합을 위한 계층적인 모델링 접근법 (The Hierarchical Modeling Approach for Integrating the Enterprise Activity Model)

  • Jun, H.B.;Suh, H.W.
    • 한국CDE학회논문집
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    • 제6권3호
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    • pp.157-168
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    • 2001
  • The description of enterprise activities is the basis fur process improvement and information system building. To describe such activities, it is necessary to model the enterprise activities from the abstraction level to the implementation level in a stepwise and integrated form. For this reason, several modeling approaches have been proposed. However, most of them lacked the stepwise or integration aspects although some of them covered overall levels. This study proposes the hierarchical modeling approach for integrating the enterprise activity model from the abstraction level to the implementation level systematically. It is composed of five modeling levels such as function level, process level, task level, document workflow level, and event flow level. This study discusses the definition and characteristics of each level and compare our modeling frame with other modeling methodologies in case study.

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시장기대를 반영한 타겟 데이트 펀드의 동적 글라이드패스에 관한 연구 (A Study on Dynamic Glide Path of Target Date Fund Reflecting Market Expectations)

  • 문명덕;김선웅;최흥식
    • 지식경영연구
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    • 제22권3호
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    • pp.17-29
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    • 2021
  • 본 연구의 목적은 타겟 데이트 펀드의 글라이드패스를 적용하는 것에 있어서 기존의 정적인 방법론이 아닌 시장기대(Market Expectations)를 반영한 동적 방법론을 적용하여 투자의 성과를 분석하는 것이다. 시장기대는 ETF 시장의 유통 주식 수를 활용하여 산출하였다. 2011년 말부터 2020년 10월까지 분석 기간에서 시장기대를 고려하는 동적 글라이드패스 모델포트폴리오가 기존의 정적 글라이드패스를 적용하는 모델포트폴리오보다 더 우수한 결과가 나타남을 보일 수 있었다. 분석 결과 ETF의 유통 주식 수가 늘어나는 시점에서는 위험자산 편입 비중을 늘리는 것이, 반대의 경우에는 위험 자산 편입 비중을 줄이는 것이 수익에 있어서 유리한 것으로 나타났다. 본 연구의 결과는 연금 자산운용이라는 경계를 벗어나 공모 펀드 시장과 ETF 시장까지의 폭넓은 관점의 지식경영에 관심을 가지는 연구자 및 자산운용 종사자에게 유용한 이론 및 실무적 시사점을 제공할 것으로 기대한다.

소프트웨어 요구사항 분류체계를 이용한 효율적인 아키텍처 패턴 적용에 관한 연구 (A Study on Efficient Application of Architectural Patterns by the Taxonomy of Software Requirements)

  • 최종우;민상윤
    • 정보처리학회논문지:소프트웨어 및 데이터공학
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    • 제12권7호
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    • pp.285-294
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    • 2023
  • 다양한 산업에 영향을 미치고 있는 소프트웨어의 규모와 복잡도가 높아지면서 소프트웨어 아키텍처의 역할이 매우 중요해지고 있다. 소프트웨어 아키텍트는 이러한 아키텍처를 설계할 때 종종 경험적 직관에 의존한다. 그럼에도 아키텍처 설계에 관한 방법론이 다양하게 연구되고 있으나, 시스템에 여러 아키텍처 패턴(architectural pattern)을 적용하는 구체적인 방법이나 적용 순서에 따른 효과에 관해서는 다루고 있지 않다. 본 연구에서는 먼저, 같은 아키텍처 패턴 세트(set)를 동일 시스템에 적용할 때, 적용 순서에 따른 아키텍처 설계 결과의 상이성에 관해 설명한다. 이러한 현상적 논리를 바탕으로 아키텍처 패턴 적용이 필요한 요구사항들을 사전에 식별하고, 적용할 패턴을 분류하는 방안을 제시한다. 또한 분류한 패턴들을 효율적으로 적용하기 위해 적용 순서를 정할 수 있도록 요구사항의 우선순위를 정하는 절차를 제안하며 사례연구를 통해 아키텍처 패턴 유형을 기반으로 요구사항을 우선순위화하는 것이 품질 속성 측면에서 효율적인 소프트웨어 아키텍처 설계에 도움이 됨을 보인다.

동일본대지진과 재해부흥의 공간적 쟁점 -미야기 현(宮城県) 세 도시를 중심으로- (The Spatial Issues of Tsunami Recovery: Case from the Great East Japan Earthquake)

  • 조아라
    • 대한지리학회지
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    • 제47권5호
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    • pp.700-717
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    • 2012
  • 이 글은 동일본대지진 피해지의 부흥계획 속에서 제기된 공간쟁점을 분석하여, 그 현황과 전망을 제시하는 것을 목적으로 한다. 특히 지진해일 피해를 입은 시가지 재생에 초점을 두고, 지방도시가 지닌 지역개발의 과제가 이번 진재를 통해 어떻게 전개되는지 고찰하였다. 연구지역에서는 고밀도 도시, 어촌의 집약화, 지속가능한 도시 담론이 재해부흥을 위한 이상적인 방안으로 등장하였다. 그러나 현실적 한계로 인해 공간재편은 장벽에 부딪쳤으며, 재건이 늦어지면서 지역에서는 공동화 현상이 심각해지고 있다. 이는 재해 이후 거의 필연적으로 발생하는 지역의 쇠퇴를 방지하기 위해서, 응급 복구뿐 아니라 장기적인 부흥을 시야에 넣고 재해연구의 영역이 확대될 필요가 있음을 시사한다.

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산업체 연계 프로젝트 기반 학습(PBL)을 활용한 성형해석 실습 교과목 운영 사례 연구 (Case Study on Education of Metal Forming Simulation Practice Subject through Industry-linked Project Based Learning)

  • 민동균;이민호
    • 공학교육연구
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    • 제23권4호
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    • pp.76-83
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    • 2020
  • The purpose of this study is to conduct Project Based Learning (PBL) in collaboration with industry experts to operate practical subjects in an industry-university-linked teaching method. PBL is a teaching method in which students can learn through actively engaging in real-world and personally meaningful projects. For a long period of time, PBL methodologies have been found to be especially effective in engineering education. This case study deals with the operational results of a practice subject which has been conducted over three years from 2017 to 2019 in Korea University of Technology and Education. The course is for the 4th grade students in the school of mechatronics engineering. The results of the surveyed learning outcomes (for example, Program Outcomes and Course Learning Outcomes) have been analyzed and reflected in the next years for the Continuous Quality Improvement. By working on practical projects linked to industry, students have been able to develop so-called 4C's capabilities which are Critical Thinking, Creativity, Communication and Collaboration.

Identification of Authors and ethics of Research based on KODISA Case

  • ZHANG, Fan;SU, Shuai;YOUN, Myoung-KIl
    • 연구윤리
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    • 제1권2호
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    • pp.11-13
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    • 2020
  • Purpose: The author wants to specify scope of research, identify without giving burden, prevent unfair identification of the author, admit of production of the outcome, enact rules of identification, and build up foundation of development. Also, this study defines scope of publication of outcome of research to prevent unfair identification of authors and admit of them. Research design, data and methodology: The study described literary research, standard research, phenomenon research, and empirical result without methodologies, statistical analysis and scientific test and investigated operation system of KODISA cases. Results: At publication of findings of the research, researchers shall identify the ones of production of the finding to allocate help of the research. Conclusions: Scientific journals shall be controlled to develop ability and to grow up and have a system. Researchers shall give direction of other scientific journals. The study made efforts to be a model. KODISA Edition Team shall make an effort to keep and develop. So far, no regulation of identification of authors has produced disturbance so terminologies should be uniformed. Researchers shall keep rules of identification of authors to uniform and regulate identification of authors, conditions of authors, and order and correspondent authors. KODISA enacted rules of identification of authors for the first time in Korea to develop science.

Mold-Flow Simulation in 3 Die Stack Chip Scale Packaging

  • Rhee Min-Woo
    • 한국마이크로전자및패키징학회:학술대회논문집
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    • 한국마이크로전자및패키징학회 2005년도 ISMP
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    • pp.67-88
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    • 2005
  • Mold-Flow 3 Die Stack CSP of Mold array packaging with different Gate types. As high density package option such as 3 or 4 die stacking technologies are developed, the major concerning points of mold related qualities such as incomplete mold, exposed wires and wire sweeping issues are increased because of its narrow space between die top and mold surface and higher wiring density. Full 3D rheokinetic simulation of Mold flow for 3 die stacking structure case was done with the rheological parameters acquired from Slit-Die rheometer and DSC of commercial EMC. The center gate showed severe void but corner gate showed relatively better void performance. But in case of wire sweeping related, the center gate type showed less wire sweeping than corner gate types. From the simulation results, corner gate types showed increased velocity, shear stress and mold pressure near the gate and final filling zone. The experimental Case study and the Mold flow simulation showed good agreement on the mold void and wire sweeping related prediction. Full 3D simulation methodologies with proper rheokinetic material characterization by thermal and rheological instruments enable the prediction of micro-scale mold filling behavior in the multi die stacking and other complicated packaging structures for the future application.

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프로젝트 중심의 토목공학 입문설계 교과목 사례 분석 (Case Study for a Project based Introductory Design Course in Civil Engineering)

  • 정근채
    • 공학교육연구
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    • 제24권2호
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    • pp.51-60
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    • 2021
  • Although more than 15 years have passed since the introductory design courses were opened due to the introduction of engineering education certification in the civil engineering field, these courses have been operated somewhat unsatisfactorily compared to their importance as an introductory course for engineering design. This is partially because the quality of classes is affected by the instructor's individual ability due to the fact that a standard training plan for these courses has not been established so far. Therefore, in this paper, we try to present a reference model for the introductory design course by introducing a class operation case established through continuous improvement process over the last 10 years at Chungbuk National University. This case aims to cultivate students' problem solving and system design skills by carrying out projects to develop egg drop and wood bridge systems based on creative problem solving methodologies. As a result of a questionnaire survey conducted after the class, we found that students' problem solving and system design capabilities were improved significantly and there was a meaningful increase in level of interest and attention in civil engineering by taking this class.

경쟁적 전력시장에서 혼잡을 고려한 송전설비계획 기준설정에 관한 연구 (A Study on a Criterion of Transmission Planning in a Competitive Electricity Market)

  • 김종만;한석만;김발호
    • 대한전기학회논문지:전력기술부문A
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    • 제54권7호
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    • pp.358-365
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    • 2005
  • Transmission networks play an important role which transfer generated electric power to a consumer in power system operation. In a competitive environment of electric power industry, developing the technological criterions and methodologies on transmission planning is becoming new challenge to transmission system planner. The use of a locational signal and the provision of a indicative plan to control the transmission investment reasonably is very important in the viewpoint of a regulator. The main target of this study is to develop a systematic criterion of transmission expansion planning. And system congestion cost is considered. The proposed methodology was demonstrated with several case studies.