• 제목/요약/키워드: Application Fields

검색결과 3,177건 처리시간 0.03초

고전압.대전류 pulsed power의 이용기술 (Application Technologies of Pulsed Power with the High Voltage and Current)

  • 이형호;김영배
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1997년도 하계학술대회 논문집 E
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    • pp.1678-1680
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    • 1997
  • The pulsed power with the high voltage and current can be used to the fields of high speed pulses of energy in different forms such as electric current and voltage, electron beam, ion beam, x-rays, gamma rays, heat, magnetics fields, sound and shock waves. This paper is directed mainly at electrical engineers working on production and practical application of high speed pulsed power with high voltage and current.

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다양한 디자인 분야에서 건축가의 활동 및 디자인 요소의 적용에 관한 연구 - 알레시사와 협력한 건축가를 중심으로 - (A Study on the Architect's Work Scope and the Application of Design Elements in Various Fields of Design - Focuse on Architects for Alessi -)

  • 서희숙;이상홍
    • 한국실내디자인학회논문집
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    • 제19권2호
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    • pp.24-32
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    • 2010
  • The purpose of this study is to examine the work scope of architects who work for Alessi and their application of design elements in various fields of design. Urban Design, Architectural Design and interior design are interrelated. Thus the designers should have various design experiences for expanding their knowledge of their specialty. These experiences can help not only the university students who will be designers in the future get creative concept, but also architects and interior designers develop their abilities to look at design. As a result, their society competitiveness can be increased. For this reason, this study selects eleven architects who participated in Tea & Coffee set project of Alessi. This study researches how their design elements apply to various design areas and investigates architects's activities not only in their major fields, but also in other design fields. The result of this study is that architects participates in all design fields, except automobile design which is not related to architecture. Especially, among various design areas, architects are likely to participate in architectural design, interior design, and furniture design Contrary to this, they hardly participate in bathroom. Also, one design element applies to various design areas, such as construction, furniture, accessories, and so on.

Review of magnetic pulse welding

  • Kang, Bong-Yong
    • Journal of Welding and Joining
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    • 제33권1호
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    • pp.7-13
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    • 2015
  • Magnetic pulse welding(MPW) is a solid state welding process that is accomplished by a magnetic pulse causing a high-velocity impact on two materials, resulting in a true metallurgical bond. One of the great advantages of MPW is that it is suitable for joining dissimilar metals. No heat affected zones are created because of the negligible heating and the clean surfaces formation that is a consequence of the jet and the metal is not degraded. Also, compared to other general welding processes, this process leads to only a low formation of brittle intermetallic compounds However, although this process has many advantages its application to industrial fields has so far been very low. Therefore, in this study we are presenting the principles, apparatus and application of MPW for application the industrial fields.

FDTD방법을 이용한 마이크로웨이브오븐의 전자파 해석 및 부하의 열해석 (Analysis of the electromagnetic fields in microwave cavities and the temperature fields in loads using Finite-Difference Time Domain method)

  • 조성호;이영민;김현정;강형주
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1999년도 하계학술대회 논문집 E
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    • pp.2459-2461
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    • 1999
  • FDTD(Finite-Difference Time-Domain) 방법을 이용하여 마이크로웨이브 오븐 내부 전자파를 해석하였고, 열전달방정식을 이용하여 부하의 열 분포를 해석하였다. 다양한 형태의 오프닝구조를 갖는 캐비티에 관하여 수치계산을 수행하였고, 서로 다른 종류의 부하가 존재할 때 부하의 온도 분포가 어떻게 변화하는지 알아보았다. 또한 마그네트론의 안테나와 캡이 존재하는 실제 웨이브가이드를 모델링하여 수치 계산한 후, 적외선사진에 의한 부하의 온도분포와 비교하였다.

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돈분액비 연용 농경지 중 중금속 함량 모니터링 (Monitoring of Heavy Metals in Agricultural Soils from Consecutive Applications of Commercial Liquid Pig Manure)

  • 고우리;김지영;류지혁;이지호;;이정미;김계훈;김두호;김원일
    • 한국환경농학회지
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    • 제31권3호
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    • pp.217-223
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    • 2012
  • 본 연구에서는 돈분 액비를 연용한 논토양 및 밭토양의 유해 중금속을 관리하는 방안을 마련하고자 전국적으로 액비를 장기 시용한 연차별 논토양 41점과 밭토양 54점을 채취하여 유해 중금속인 카드뮴, 구리, 니켈, 납, 아연, 비소의 함량을 조사하였다. 액비연용에 따른 년차별 변화에서 논토양 및 밭토양 중금속 전함량은 원소별로 일부 증가하는 경향은 보이나 연도별 축적 차이를 통계적으로 확인할 수 없었다. 그러나 액비연용에 따른 중금속 특히 구리 및 아연의 축적 여부는 이들이 식물영양에 필수 원소로 작용함을 고려하여 보다 장기적인 관점으로 계속 검토되어야 할 사항이다. 그러나 일부 밭토양에서 토양오염 우려기준을 초과하는 지점이 조사되어 액비 시용 전 토양 내 중금속 함량조사를 통해 시용 여부를 결정하여야 할 것이다.

평행평판 간극에서 전기장의 강도변화에 따른 분산계 ER유체의 유량-압력강하 특성 (Flow Rate-Pressure Drop Characteristics of Dispersive ER Fluid According to Change of Electric Field Strength in Clearance between Parallel Plates)

  • 장성철;염만오;김도태
    • 한국공작기계학회논문집
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    • 제12권1호
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    • pp.78-83
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    • 2003
  • Electro-rheological(ER) fluids are suspensions in which rheological properties show an abrupt change with variation of electric fields. We modeled the parallel-plates relating to ER-Valve system and yielded shear stress according to the strength of electric field. The purpose of the present study is to examine the flow characteristics of ER fluids according to the strength of electric field between parallel-plates. Then the steady relationship between pressure drop and flow rate of the ER fluids between parallel-plates under application of an electric fields was measured. The pressure drop and flow rates of ER fluids under the application of electric fields for steady flow were measured. For the experiment, we used the ER fluids, 35w% zeolite having hydrous particles and differential pressure gauge. This test reviewed experiment for the special changes of ER fluids in the steady flow condition.

논에서의 영양물질 배출량 추정 (II) - 모형의 적용 - (Prediction of Nutrient Loading from Paddy Fields (II) - Model Application -)

  • 김현수;정상옥;김진수;오승영
    • 한국농공학회지
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    • 제44권5호
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    • pp.106-115
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    • 2002
  • The objective of this study was to evaluate the GLEAMS-PADDY model by applying it to estimate nutrients loading from paddy-field areas. Field data from Soro region of Chungbuk province during May to September 1999 were used for model application. Field data collected include the amounts of rainfall, irrigation water, drainage water, ET, and Percolation in hydrology Part. T-N and T-P concentrations in the rain water, irrigation water, ponded water, drainage water and percolated water were measured. The comparisons of observed and simulated water balance components and nutrient concentrations showed reasonably good agreements and the GLEAMS-PADDY model may be used to simulate nutrients loading from paddy fields. Futher research was suggested to include the erosion submodel in the GLEAMS-PADDY model to better simulate the nutrient behavior. In addition, the pesticide submodel also recommended to be included in order to simulate the various pesticide applied in paddy fields.

USN 기반 적용사례 현황 연구 (A Study on Current Issues Related to Application Areas based on Ubiquitous Sensor Network)

  • 임영문;박판종
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2009년도 춘계학술대회
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    • pp.445-449
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    • 2009
  • Nowadays ubiquitous sensor network (USN) has been considered as a key technique in all kinds of industrial area. The main purpose of this study is to search and analyze systems in real industrial fields based on USN. USN technique has been applied into various industrial fields such as ground/underground management system, visitor counter system, monitoring system, unmanned vehicles system and so on. The result of this study will be fruitful not only for researches but also for practices in industrial fields related to USN.

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Design of an embeded intelligent controller

  • Shirakawa, Hiromitsu;Hayashi, Tsunetoshi;Ohno, Yutaka
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1990년도 한국자동제어학술회의논문집(국제학술편); KOEX, Seoul; 26-27 Oct. 1990
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    • pp.1399-1404
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    • 1990
  • There is an increasing need to apply artificial intelligence to the real application fields of industry. These include an intelligent process control, an expert machine and a diagnostic and/or maintenance machine. These applications are implemented in AI Languages. It is commonly recognized that AI Languages, such as Common Lisp or Prolog, require a workstation. This is mainly due to the fact that both languages need a large amount of memory space and disk storage space. Workstations are appropriate for a laboratory or office environment. However, they are too bulky to use in the real application fields of industry or business. Also users who apply artificial intelligence to these fields wish to have their own operating systems. We propose a new design method of an intelligent controller which is embedded within equipment and provides easy-to-use tools for artificial intelligence applications. In this paper we describe the new design method of a VMEbus based intelligent controller for artificial intelligence applications and a small operating system which supports Common Lisp and Prolog.

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Advanced Technologies in Blockchain, Machine Learning, and Big Data

  • Park, Ji Su;Park, Jong Hyuk
    • Journal of Information Processing Systems
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    • 제16권2호
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    • pp.239-245
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    • 2020
  • Blockchain, machine learning, and big data are among the key components of the future IT track. These technologies are used in various fields; hence their increasing application. This paper discusses the technologies developed in various research fields, such as data representation, Blockchain application, 3D shape recognition and classification, query method, classification method, and search algorithm, to provide insights into the future paradigm. In this paper, we present a summary of 18 high-quality accepted articles following a rigorous review process in the fields of Blockchain, machine learning, and big data.