• Title/Summary/Keyword: systems-thinking

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The Technology Impact & Problems of Superconductivity Applied Components on Future Power System in Korea (전력계통 관점에서의 초전도 전력기기 적응효과와 기술상의 과제)

  • Hong, W.P.;Sea, J.Y.;Park, J.S.
    • Proceedings of the KIEE Conference
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    • 1991.07a
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    • pp.386-392
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    • 1991
  • If we rely only on the conventional technology, It may be difficult to meet the recent requirments to electric power system such as further improvement of the quality of electric power supply, technology problems environmental compatibility and so on. Nowadays, power engineers much interest in applying new technology to power system industry. It is confirmed the technology of superconductivity applied components plays an important role in solving the problems of power system, because superconductors, used in suitable applications, can make electric power equipment smaller, lighter, more efficient and perhaps with better dynamic response. Two specific applications are considered here : electric machinery (Generators, Superconducting Magnetic Energy Storage, Transformer, Current limitter) and transmission line. The paper addresses the limitation of conventional technology, the technology impact & problems of superconductivity applied components to future power system from qualitative and some quantitative viewponts. The paper close with questions posed to simulate thinking on how superonductivity might be applied to power systems on a holistic basis.

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A Systems Thinking Approach for the Success of IPTV Business (시스템 사고 접근 방식을 통한 IPTV 사업 활성화 방안 탐색)

  • Kim, Min-Ju;Lee, Sun-Gyu;Kim, Hee-Woong
    • Knowledge Management Research
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    • v.16 no.2
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    • pp.173-192
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    • 2015
  • Domestic paid broadcasting market is largely classified into cable TV, satellite broadcasting and IPTV. Latest starter IPTV began its commercial service in 2009 and reached 10 million subscribers in August 2014 after 6 years of service. It has been growing rapidly by increasing more than 500 thousand subscribers every quarter and has taken its place firmly as one of core domestic paid broadcasting platforms, second only to cable TV. Even with this quantitative growth, 3 major IPTV companies are still running deficit, attracting attention to issue of the vitalization of IPTV business based on qualitative growth. This study draws out revitalizing and hindering factors of Korean IPTV industry through a case study on 'A' corporation which is leading domestic IPTV market and exploratory study based on interviews with experts and, by developing influencing factors into Causal Loop Diagram through system dynamics research methodology, draws out core issues in vitalization of domestic IPTV industry and suggests alternatives. Therefore, it is expected that this study will provide more diverse practical implications than preceding studies which drew out one-dimensional issues and alternatives and help vitalize Korean IPTV industry by minimizing negative effects and maximizing positive ones.

Best Practices Research Use of Solar Energy For Low Carbon Green City (저탄소 녹색도시를 위한 태양에너지 이용 선진사례 조사)

  • Kim, Ji-Su;Lee, Eung-Jik;Lee, Chung-Sik
    • 한국태양에너지학회:학술대회논문집
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    • 2009.04a
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    • pp.37-42
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    • 2009
  • We are in search for many method at 21th century thinking about the environment internationally. One is among them low carbon green city. Consequently this dissertation put a system solar energy key point of low carbon green city and purpose of low carbon green city Besides system and technique about the solar energy best practices try to do the investigation analysis. It's important of low carbon green city's environmental friendly system such as solar heat system, solar power generation, ecological greening, All these systems are connected each other and organize low carbon green city. A solar energy system uses pure energy of the situation directly most among the environmental friendly system. Energy saving and environment-friendly city in the world must do not a choice. However, recognition conversion and infrastructure of the Korea still has not come true. But South Korea and the international best practices is not the same system. But plan to solar city, the concept of green city in Cheongju, Deagu local government. And many meetings are in progress.

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Development of an Assessment Formula for Scientific Creativity and Its Application (과학창의성 평가 공식의 개발과 적용)

  • Lim, Chae-Seong
    • Journal of Korean Elementary Science Education
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    • v.33 no.2
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    • pp.242-257
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    • 2014
  • Researchers have employed a diversity of definitions and measurement methods for creativity. As a result, creativity research is underrepresented in the literature and the findings of different studies often prove difficult to draw into a coherent body of understanding. With regard to assessment, there are some important problems both in creativity research and practice, such as originality bias and Big-C creativity bias in teachers' perceptions about creativity and creative thinking, and additive rather than multiplicative scoring systems of creativity assessment. Drawing upon most widely accepted conceptions of the creativity construct, I defined 'student's scientific creativity' as the ability to make a product both original and useful to the student in terms of little-c creativity, and 'scientist's scientific creativity' as the ability to come up with a product both original and useful to the science community in terms of Big-C creativity. In this study, an 'Assessment Formula for Scientific Creativity' was developed, which is consisted of the multiplication of originality and usefulness scores rather than the sum of the two scores, and then, with scores calculated from the assessment formula, the scientific explanations generated by children were categorized into four types: routine, useful, original, and creative types. The assessment formula was revealed to be both valid and reliable. The implications of the assessment formula for scientific creativity are examined. The new assessment formula may contribute to the comprehensive understanding of scientific creativity to guide future research and the appropriate interpretation of previous studies.

Design and Implementation of Collaborative Knowledge Management System for Collaborative Learning (협력학습을 위한 협력지식관리시스템의 설계 및 구현)

  • Han, Hee-Seop;Kim, Hyeoncheol
    • The Journal of Korean Association of Computer Education
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    • v.10 no.2
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    • pp.115-123
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    • 2007
  • Collaborative knowledge is continuously producted and modified by group individuals during collaboration and it is also fostered in a radical trust environment like Wiki. The example is Wikipedia. However I found out a big problem as difficulties of exploring when the knowledge space is extended more and more widely. To solve this problem, collaborative knowledge management systems are implemented based on wiki. The one is navigation map that supports the efficient exploring and the another is knowledge map that supports a convergent thinking in a group. In this study, we examined the effectiveness of navigation map and knowledge map.

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Community Health Program Planning and Local Public Health System : The MAPP Model (지역사회보건기획과 지역보건체계 강화: MAPP 모형의 사례)

  • Kwak, Min-Son;Yoo, Seung-Hyun
    • Korean Journal of Health Education and Promotion
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    • v.27 no.3
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    • pp.59-66
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    • 2010
  • Objectives: This paper aims to describe a public health planning model, Mobilizing for Action through Planning and Partnership(MAPP), and to discuss its application in Korea with a specific focus on the Local Public Health System (LPHS) component of MAPP. Methods: Literature content review was performed on research papers on MAPP development and application, MAPP handbook and guides, the guidelines for the 5th Phase Community Health Plan, and a research report on public health center evaluation system. Results: MAPP has been applied to public health planning (the 5th Phase Community Health Plan) and a performance evaluation system for public health center in Korea. The current application is limited to the early stages of the MAPP. Limited or partial application affects the integrity of the model. Follow-through should be strengthened especially for evaluation planning. Conclusion: Systems thinking approaches should be considered for the development of LPHS and strengthening logical and practical linkage between planning and evaluation of community health planning.

Development of Diagnosis System for Intelligent High-Speed Micro-Machining and Evaluation of Micro-Machining Characteristics (고속.지능형 마이크로머시닝을 위한 진단시스템 및 특성평가)

  • 김흥배;이우영;최성주
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1997.10a
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    • pp.993-998
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    • 1997
  • The advanced technology of micro-machining is starting to penetrate our lives. This technology, with which it is possible to make micro-structures by means of processing on the order of nm (micrometer = 1/1,000 mm) or less, is realizing machines that were only part of our wildest imagination. However, the fact is that many issues remain in the quest for a variety of applications. With the advent of computing technologies, information technologies, and telecommunications technologies, we foresee the need for new approaches in design, process, and the use of materials, technologies, and people in a globalized manufacturing enterprise. A new thinking paradigm is needed to focus on quality of service on the products we design and manufacture. Factories in different regions need to be co-ordinated through use of the state-of-the-art information on productivity, diagnostics, and service evaluation of manufacturing systems could be shared among different locations and partners. In this research, We develope the internet based Diagnosis system for micro machining and evaluate its characteristics by using mechatronic sensor like Dynamometer, acoustic emission, Acceleration sensor, micro phone, vision, infra-red thermometer.

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Group Support System for Improving Group Performance (그룹성과의 향상을 위한 지원시스템에 관한 연구)

  • 민대환
    • Journal of Information Technology Application
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    • v.3 no.4
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    • pp.1-18
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    • 2001
  • This paper introduces the group performance model, types of group process, and characteristics of group. Then, it presents a survey of current groupware and meeting support systems. Especially, it discusses functional requirements for a group support system in order to improve the performance of new product development teams. The group support system should provide functions for all team members to collaborate anytime and anyplace. The system should guarantee individual thinking, parallelism, and anonymity, when necessary. The system should support both individual task and group task, and the whole process of group meeting so that it facilitates the creativity of participants and complements the weakness of the group.

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A research on the conversion systems of Channels (경락(經絡)의 기화체계(氣化體系)에 대한 연구(硏究))

  • Son, Chang-Su;Kim, Yon-Tae;Kim, Gil-Whon;Shin, Heung-Mook
    • Korean Journal of Acupuncture
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    • v.21 no.1
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    • pp.129-147
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    • 2004
  • Objectives and methods : This research aims to study about conversion system of channels. In the present study, we investigated the movement and conversion of channels on the base of three step theory(三才論), Yeak(易), Hado.Laksea(河圖洛書) and five elements motion and six kinds of factors(Six-Qi). Results and Conclusions : The organization of meridian is composed of the following three parts: hand and foot, Yin and Yang, and the viscera and bowals. It is play an important role in energy flow and its conversion. The law governing energy conversion is divided into three groups i.e. taiyin-yangming channel, shaoyin-taiyang channel and jueyin-shaoyang channel group. Those are composed of Deadea(對待) of Six-Qi, making the body homeostasis. Taken together, we suggest that the conversion system of meridian is founded on the unity between the human body and nature which provides the medical workers with a necessary method of thinking in treating diseases.

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Research on Ontology Constructing by Delphi Technique (with Modeling Micheogul Tourist Resort)

  • Kim, Young-Ick;Kim, Min-Cheol;Kang, Han-Seop
    • Proceedings of the CALSEC Conference
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    • 2005.03a
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    • pp.286-292
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    • 2005
  • Continual attempt to accumulate and apply information eventually gives birth to the concept of the 'Semantic Web'. Thus, the 'Semantic Web' can be defined as a product of mankind's desire to standardize information. A term of knowledge is used as information or data in computer science. These are regarded and are divided sometimes each other in terminologies that have similar meaning. If it is divided, knowledge is different from information. However, some kind of information in Knowledge Representation is called knowledge often if it can be expressed in computing system. Therefore, knowledge representation can talk as information representation. The purpose of the study is systematizing knowledge through knowledge representation that uses Delphi technique and ontology is designed by utilizing assistance editor called protege-2000 to construct semantic web environment's ontology. Level of interest regarding the construction and evaluation of search systems based on ontology is set to increase. If defined well, semantic can reflect human's thinking to knowledge information on web. Furthermore systematizes knowledge, search of information and comprehension about Jeju tour using present computer may be done intelligence.

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