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ITS기반 지능형자동차부품주행시험장

  • Heo, Gyeong-Guk
    • Information and Communications Magazine
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    • v.30 no.11
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    • pp.39-42
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    • 2013
  • 본고에서는 현재 대구에서 구축 진행 중인 ITS기반 지능형자동차부품주행시험장에 대한 구축배경과 인프라 현황을 살펴보고 국내의 기존 주행시험장과의 차별성을 알아본다.

Electric Power_Power Interview - 한국원자력학회 장순흥 회장

  • 대한전기협회
    • JOURNAL OF ELECTRICAL WORLD
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    • s.425
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    • pp.66-70
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    • 2012
  • '국내 원자력의 지역화와 세계화', ' 안정성 확보 및 국민 신뢰도 향상', ' 안전의식과 안전문화 확립', ' 국내 기술력과 안정성에 대한 자부심 견지'가 장순흥 회장의 방침이자 한국원자력학회의 비전이다. 세계 원전 강국으로서의 위상을 공고히 하겠다는 장순흥 회장의 의지가 주목받고 있다.

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R.M과 R.M 운동

  • U, Mu
    • 방재와보험
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    • s.55
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    • pp.56-59
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    • 1992
  • 본 논문은 미국의 Kalin Tuan이 발표한 "1950~1985년간의 Risk manager와 Risk management(R.M) 운동" 으로서 제1장 Risk management 운동의 등장, 제2장 경영학의 교육과정으로서의 Risk management로 구성되어 있다. 본고에서는 제1장의 내용을 요약 소개하고자 한다.

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건설업에 있어서의 설계 VE(2)

  • Korea Institute of Registered Architects
    • Korean Architects
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    • no.12 s.165
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    • pp.54-61
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    • 1982
  • 다음에 소개하는 VE자료는 일본VE협회 소속 건설VE연구회 보고서로서 모두 8장으로 나누어져 있다. 이번 호에는 3장과 4장을 소개하며 회원의 설계업무에 조금이나마 도움이 되었으면 한다.

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Design Methodology of Yard Layout in Port Container Terminal (컨테이너터미널의 장치장 레이아웃 설계방법)

  • Choi Yong-Seok;Ha Tae-Young
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2004.11a
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    • pp.183-188
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    • 2004
  • This paper presents a method for designing layout on the yard and evaluating alternative designs of the layout by applying simulation. The design method is based on the concepts of the conventional port container terminal with yard layout, In general, yard design of the container terminal is consists of the two major parts. One is to divide yard area between the number of sections and the number of runs and the other is to decide the number of equipment that is the yard truck and yard crane. In the past days, this design was depended on the experience of the terminal operator and the reproduction of the conventional terminal layout because it is a very complex decision problem. In this paper, we suggest the method of yard design as a conceptual procedure and estimate the efficiency of the container crane and the optimal number of equipment using simulation. In the experiment results, the number of sections and runs on yard area, the number of yard truck per container crane and the number of yard crane per run are decided. In addition, the traffic flow among blocks on yard layout is estimated in terms of rate.

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A Study on Near-Field to Far-Field Transformation Using Stratton-Chu Formula (Stratton-Chu 공식을 이용한 측정된 근거리장에서 원거리장으로의 변환에 관한 연구)

  • Lee, Jeong-Seok;Song, Tae-Lim;Du, Jin-Kyoung;Koo, Tae-Wan;Yook, Jong-Gwan
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.24 no.3
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    • pp.316-323
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    • 2013
  • This paper deals with the near-field to far-field calculation for far-field characteristics of antenna and electromagnetic compatibility(EMC) testing. Since the conventional EMC testing process is inefficient such as measurements of the wide band signals and mega structures, Stratton-Chu formula is used to predict the far-field emission by simple and direct process. The usefulness of Stratton-Chu formula is verified by comparing to the analytic solution of the uniform distribution aperture in free-space. In order to inspect the far-fields and to get the near-field values, full-wave simulation solver is utilized. Through the full-wave simulation about the patch antenna, calculated far-field results from Stratton-Chu formula are proven. The predicted magnitudes of the far-field are in error by less than 6 %.

Application of Equivalent Beam Element for Practical Vibration Analysis of Stadium Structure (스타디움 구조물의 실용적인 진동해석을 위한 등가보요소의 적용)

  • Kim, Gee-Cheol
    • Journal of the Earthquake Engineering Society of Korea
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    • v.8 no.5 s.39
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    • pp.91-99
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    • 2004
  • In general, stadium structure with long span has low inherent natural frequency. In the stadium structure, structural behavior similar to resonance can be occurred easily by spectator rhythmical movements of which exciting period is small comparatively. It is required to investigate the safety and the serviceability of stadium structure. Therefore, there exists a necessity for accurate vibration analysis. Accurate analysis of stadium structure subjected to dynamic load is required for economical construction and safe design of stadium structure. Stadium structure should be modeled by refined mesh for accurate vibration analysis. As the mesh of stadium structure is refined, the number of divided elements increases in numerical analysis. The number of node is increased and numerous computer memories or computational time are required. So it is very difficult to analyze refine model of stadium structures by using the commercial programs. It is possible to efficient vibration analysis of stadium structure by finite element modeling method using equivalent beam element proposed in this paper, because the number of nodes is decreased remarkably.