• Title/Summary/Keyword: Knowledge/power

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Development and application of Auto-Wind program for automated analysis of wind resource (풍력자원해석 자동화 프로그램 Auto-Wind 개발과 응용)

  • Yoon, Seong-Wook;Jeon, Wan-Ho;Kim, Hyun-Goo
    • 한국신재생에너지학회:학술대회논문집
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    • 2010.11a
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    • pp.191-191
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    • 2010
  • As many researchers want to predict or assess more about wind condition and wind power generation, CFD(Computational Fluid Dynamics) analysis method is very good way to do predict or assess wind condition and power generation. But CFD analysis is needed much knowledge of aerodynamics and physical fluid theory. In this paper, Auto-Wind CFD analysis program will be introduced. User does not need specific knowledge of CFD or fluid theory. This program just needs topographical data and wind data for initial condition. Then all of process is running automatically without any order of user. And this program gives for user to select and set initial condition for advanced solving CFD. At the last procedure of solving, Auto-Wind program shows analysis of topography and wind condition of target area. Moreover, Auto-Wind can predict wind power generation with calculation in the program. This Auto-Wind analysis program will be good tool for many wind power researchers in real field.

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Development of the Event Type Analysis System (ETAS) for the Accident Evaluation in Nuclear Power Plants (원전사고 평가를 위한 원전 사건유형분석 시스템(ETAS) 개발)

  • Choi, Young Hwan;Kim, Young Mi
    • Transactions of the Korean Society of Pressure Vessels and Piping
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    • v.5 no.2
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    • pp.35-39
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    • 2009
  • In this study, Event Type Analysis System (ETAS) is developed for the accident evaluation in nuclear power plant. The ETAS system can be used in supporting regulator and/or operator under event situation in nuclear power plants. The ETAS system can categorize the all transient events to 3 categories such as Down-2000, Down-2173, and Slow Fluctuation. We develop the program structure for ETAS system and web-based ETAS system. The ETAS system will be used as sub module of Knowledge-Based Event Evaluation Network (K-EvENT) which is developing for the against the accident in nuclear power plants.

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Public Diplomacy, Soft Power and Language: The Case of the Korean Language in Mexico City

  • Hernandez, Eduardo Luciano Tadeo
    • Journal of Contemporary Eastern Asia
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    • v.17 no.1
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    • pp.27-49
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    • 2018
  • Public Diplomacy (PD) is the third pillar of South Korean foreign policy. According to the Ministry of Foreign Affairs, PD aims to attract foreign audiences by means of art, knowledge transmission, media, language and foreign aid. When it comes to the Korean language, its global profile has seen an especially marked increase in recent years (Kim, 2009). Thus, this paper's objective is to explain the relevance of the Korean language in the generation of South Korea's soft power. I draw from $C{\acute{e}}sar$ Villanueva's reflections in order to problematize how language promotion can be translated into soft power at five different levels: the empathetic, the sympathetic, the geopolitical, the diplomatic and the utilitarian. I observe that in the case of the Korean language in Mexico City, soft power has the potential to be generated on three levels: it helps to increase knowledge of Korean culture (empathetic); it exercises symbolic persuasion (geopolitical), since the products of cultural industries are mostly in Korean; and it is used as a tool for economic transactions in Mexico City (utilitarian).

An intelligent eddy current signal evaluation system to automate the non-destructive testing of steam generator tubes in nuclear power plant

  • Kang, Soon-Ju;Ryu, Chan-Ho;Choi, In-Seon;Kim, Young-Ill;Kim, kill-Yoo;Hur, Young-Hwan;Choi, Seong-Soo;Choi, Baeng-Jae;Woo, Hee-Gon
    • 제어로봇시스템학회:학술대회논문집
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    • 1992.10b
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    • pp.74-78
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    • 1992
  • This paper describes an intelligent system to automatic evaluation of eddy current(EC) signal for Inspection of steam generator(SG) tubes in nuclear power plant. Some features of the intelligent system design in the proposed system are : (1) separation of representation scheme ,or event capturing knowledge in EC signal and for structural inspection knowledge in SG tubes inspection; (2) each representation scheme is implemented in different methods, one is syntactic pattern grammar and the other is rule based production. This intelligent system also includes an data base system and an user interface system to support integration of the hybrid knowledge processing methods. The intelligent system based on the proposed concept is useful in simplifying the knowledge elicitation process of the rule based production system, and in increasing the performance in real time signal inspection application.

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Analysis of Awareness of Radiation and Nuclear Power Plants after Fukushima Nuclear Accident (후쿠시마 원전 사고 후 방사선 및 원전에 대한 인식 분석)

  • Kim, Changsoo;Kim, Dong-Hyun;Kim, Jung-Hoon
    • The Journal of the Korea Contents Association
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    • v.13 no.9
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    • pp.281-287
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    • 2013
  • Based on surveys of Busan residents, this study aimed to analyze general perception: radiation knowledge, recognition of the standard of knowledge, radiation benefits, recognition of the risks of nuclear power, collection of information on the Fukushima nuclear accident, recognition of changes before and after the Fukushima nuclear accident, and the path of collecting information about nuclear power and radiation. This analysis was based on 414 people who reside in Busan metropolitan city. It has been found that the Busan metropolitan city residents acknowledged the necessity of radiation in principle, however, most have negative awareness relating to safety. It is assumed that this negative awareness is a result from past nuclear power plant accidents, rather than being based on their own knowledge of radiation. Therefore, it is considered that efforts to change people's awareness necessitate education of the public. This can be done via media, widening the range of people's knowledge, and furthermore, promoting changes within people's awareness and perspectives.

ON-LINE FAULT DIAGNOSIS IN THE LARGE POWER SYSTEM (계통 내 온라인 고장 진단 시스템 개발)

  • Seo, Gyu-Seok;Baek, Young-Sik;Kim, Jung-Nyun
    • Proceedings of the KIEE Conference
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    • 2004.11b
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    • pp.122-124
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    • 2004
  • Recently, power system is getting larger and more complex. When the complex power system has a problem, it is very difficult even for the experts to find out where the problem is and to make a timely decision by operators. There have been many studies on these problems but the results are not good enough for applying to real power system. Therefore power system operators always had to judge the exact state of power system and had to be preparative for the problems that can occur later. We developed new methods that can be applied to complex power system by dividing the system into small modules. By using 'module' we can combine small modules together to make complex power systems and the knowledge base that is applied to fault diagnosis system. As a result, compared to previously developed diagnosis products, operational time has shortened, and the knowledge base becomes simpler and clearer, which made online usage capable. This system can be used as a complementary measure that helps the operator from making any mistakes.

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Knowledge Management and the Steps for Implementing Knowledge Management Strategy (지식순환과 지식경영전략)

  • 김세인
    • The Journal of Information Technology
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    • v.4 no.1
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    • pp.39-54
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    • 2001
  • Knowledge can be characterized in many ways. We have categorized internal and external knowledge by its position, tacit and explicit knowledge by the degree of formalization, and general and innovative knowledge by the power of competitive advantage. They is, often, mixed in real world. Under New Economy, firms must conduct the analysis of various knowledge embodied employee's skill, its products and business process, and create a new added value. Knowledge is the important strategic resource and the ability to capture, organize, store and apply is the critical capability for substantial competitive advantage. For establishing the steps of knowledge management strategy, we described below - the identification of intellectual capital, value analysis, the building of knowledge infrastructure, the knowledge organization, value creation, and the knowledge evaluation and dynamic knowledge management.

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Analysis and Measurement on the Evaluation of the Information Technology (정보기술(IT)의 가치평가분석 및 측정에 관한 연구 - 특허기술을 중심으로 -)

  • Kim, Seung-Hwan;Kim, Bok-Su;Lee, Joo-Yeon
    • Journal of Korea Society of Industrial Information Systems
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    • v.13 no.5
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    • pp.106-116
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    • 2008
  • 21 century is as time of infinite competition the knowledge base society where the creation knowledge and information become source of competitive power (Knowledge-based society) and the world-wide various nations leads and knowledge intensification of voice and existing industry of knowledge industry leadership grasp of competitive power high position security and world economy it concentrates a hazard national ability from new economic environment inside. Also, world economy the economic border collapsed with opening anger liberalization and the integration of world economy was accelerated and the restraint of advanced nation, pursuit of the late start developing country and competition from the enterprise for strategy helping each other back international market more were aggravating and information and knowledge with production element or the goods were wide in the economic whole and information knowledge revolution which circulates was developed and it followed hereupon and with the vitality where the knowledge base industry growth is new it rose to the surface.

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A Method of Knowledge Base Verification for Nuclear Power Plant Expert Systems Using Extended Petri Nets

  • Kwon, I.W.;Seong, P.H.
    • Nuclear Engineering and Technology
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    • v.28 no.6
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    • pp.522-531
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    • 1996
  • The adoption of expert systems mainly as operator supporting systems is becoming increasingly popular as the control algorithms of system become more and more sophisticated and complicated. The verification phase of knowledge base is an important part for developing reliable expert systems, especially in nuclear industry. Although several strategies or tools have been developed to perform potential error checking, they often neglect the reliability of verification methods. Because a Petri net provides a uniform mathematical formalization of knowledge base, it has been employed for knowledge base verification. In this work, we devise and suggest an automated tool, called COKEP(Checker Of Knowledge base using Extended Petri net), for detecting incorrectness, inconsistency, and incompletensess in a knowledge base. The scope of the verification problem is expanded to chained errors, unlike previous studies that assume error incidence to be limited to rule pairs only. In addition, we consider certainty factor in checking, because most of knowledge bases have certainty factors.

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Knowledge Base Verification Based on Enhanced Colored Petri Net

  • Kim, Jong-Hyun;Seong, Poong-Hyun
    • Proceedings of the Korean Nuclear Society Conference
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    • 1997.10a
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    • pp.271-276
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    • 1997
  • Verification is a process aimed at demonstrating whether a system meets it's specified requirements. As expert systems are used in various applications, the knowledge base verification of systems fakes an important position. The conventional Petri net approach that has been studied recently in order to verify the knowledge base is found that it is inadequate to verify the knowledge base of large and complex system, such as alarm processing system of nuclear power plant. Thus, we propose an improved method that models the knowledge base as enhanced colored Petri net. In this study. we analyze the reachability and the error characteristics of the knowledge base and apply the method to verification of simple knowledge base.

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