• 제목/요약/키워드: space maintenance

검색결과 841건 처리시간 0.024초

항공전자시스템 개발치구 개발 (Development of the Avionics System Development Rig)

  • 박덕배;황상현;이성수
    • 한국항공우주학회지
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    • 제33권7호
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    • pp.106-113
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    • 2005
  • ASDR은 군용 항공기의 주 장비인 ASC와 이에 탑재되는 임무 운용 소프트웨어인 OFP 개발중에는 개발도구로 사용되며 또한 ASC/OFP 개발 후에는 유지/보수용 도구로 사용될 수 있다. 본 논문에서는 저속통제기용으로 개발된 ASDR의 전체 구조, 기능 및 특히 관성 및 공기 데이터 센서 시뮬레이션 부분에 대하여 기술한다.

안전을 적용한 학교 교육 시설의 계획에 관한 연구 (- Study about a plan of the school education facilities which applied safety -)

  • 김종복
    • 대한안전경영과학회지
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    • 제6권4호
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    • pp.1-10
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    • 2004
  • As for the purpose of this study, education facilities must be considered by a change of an education facilities equipment acid education system and aromatic character of an educational policy with a means to support to efficiently proceed education by study about a plan of the school education facilities which considered safety. That is, education facilities must become maintenance on design construction according to education action character and goal. This is not for a function of education to be decided according to education facilities, and education facilities must be decided so that adjustment can do an education function. The student center, a student are convenient, and an actor must do a plan of education facilities with an usable physical space contrariety, future directivity. As for the plan of school education facilities, facilities must be designed on functionality, an economy, flexibility, aesthetic appreciation anger, a foundation of stability for this so that objective of education realization is easy.

중간격벽의 형상을 고려한 상자형 거동에 대한 실험적 연구 (An Experimental Study on Behavior of Box Girder considering Middle Diaphragm Shapes)

  • 정희효;이승열
    • 한국전산구조공학회논문집
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    • 제15권3호
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    • pp.501-510
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    • 2002
  • 상자형의 중간격벽은 상자형의 단면변형을 구속하고 상부플랜지에서 발생되는 하중을 양측의 웨브에 분포시키는 역할을 한다. 그러나 상자형의 내부공간이 중간격벽으로 차단될 경우 내부공간을 활용할 수 없으며 유지관리에 많은 어려움을 격게 된다. 상자형의 격벽이 개구부를 갖는 경우 개구부가 없는 경우에 비하여 어떠한 영향을 갖는지를 실험을 통하여 중간격벽의 강성으로 표현하고자 하였다

기술사마당: 공동주택 지하주차장의 열적특성을 고려한 바닥 표면결로방지 방안에 관한 연구 (Professional Engineer Yard: A study on Preventing Floor Surface Condensation in Consideration of Thermal Characteristic of Underground Parking lot in an apartment)

  • 서용원
    • 기술사
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    • 제44권4호
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    • pp.44-49
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    • 2011
  • For the pleasant dwelling place, the most of apartments are designed with the increased green area ratio in ground space and the underground parking lot. However, the condensation in underground space has occasionally occurred due to the insufficient ventilation and insulation treatment. Despite reinforcement of the insulation treatment and mechanical ventilation for the preventing method of condensation. It seems difficult to expect preventing effects for the condensation without consideration of the thermal characteristic of structures. Furthermore, no fundamental measure has been established because maintenance work for these defects incurs a lot of costs and these defects could be occurred again. This study suggests a new method for preventing floor surface condensation through analyzing the reasons of condensation which occurred in the underground floor.

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Technology Of Application Of Multifrequency Signals To Create An Electromagnetic Field

  • Strembitska, Oksana;Tymoshenko, Roman;Mozhaiev, Mykhailo;Buslov, Pavlo;Kashyna, Ganna;Baranenko, Roman V.;Makiievskyi, Oleksii
    • International Journal of Computer Science & Network Security
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    • 제21권2호
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    • pp.40-43
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    • 2021
  • In the article of instability on the peak power level, duration and repetition period of a multifrequency space-time signal, we calculated the maximum values of the errors of the parameters of the laws of spatial-phase-frequency control. Requirements for the accuracy of the location of the phase centers of the emitters in a cylindrical phased array antenna with pyramidal horns; it is advisable to calculate the radiation field using single-stage and multi-stage distribution laws. The phase centers of individual radiation sources of a cylindrical phased array antenna have been studied; they have almost no effect on the duration and period of recurrence.

On the Untact ICT based New Concept Storage Device Design by Interworking SysML and CAD Data to Improve the Development Efficiency

  • Kim, Myung Sung;Park, Jae Min;Kim, Young Min
    • International Journal of Internet, Broadcasting and Communication
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    • 제14권3호
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    • pp.258-269
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    • 2022
  • In these days, innovative functions are required to unmanned parcel delivery lockers. As non-face-to-face transactions become the center due to the recent COVID-19 pandemic, many problem occurs in society such as theft crimes and lack of loading space. Therefore, New concept storage device is developed in korea. It has the functions that minimizes empty spaces by using the internal transport device to enable efficient space loading and refrigerate goods such as foods. In order to systematically approach the system design of the unmanned parcel delivery lockers which is the new function is applied, We applied model-based system engineering to improve the development efficiency and use a system modeling language to express the system. We conducted interworking research of CAD data including system modeling and design data. it is expected that this method will increase the effective development efficiency such as maintenance traceability and reduction of development period and cost.

교통량과 콘크리트 라이닝 균열 상관관계 분석 (Correlation analysis of traffic and crack in concrete lining)

  • 이규필
    • 한국터널지하공간학회 논문집
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    • 제25권5호
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    • pp.345-355
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    • 2023
  • 본 연구에서는 교통량과 균열 두 변수에 대한 관계성을 분석하기 위하여 공분산 분석 및 피어슨 상관관계 분석을 수행하였다. 이를 위하여 국도터널 216개소에 대한 정밀안전점검, 정밀안전진단 시행결과 및 교통량을 조사/분석하였다. 분석결과 교통량과 콘크리트 라이닝에 발생하는 균열은 높은 상관성을 보이는 것으로 나타났다. 따라서 균열 보수 등 선제적 유지관리는 교통량을 고려한 계획수립을 수행하는 것이 바람직하다.

어룡도등대 유지 및 활용방안에 대한 고찰 (Consideration on Maintenance and Utilization of Eoryong-do Lighthouse)

  • 박인환;김형래
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2023년도 추계학술대회
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    • pp.157-159
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    • 2023
  • 2023년 8월 등대문화유산으로 지정된 어룡도등대의 역사성을 알리고 친수공간으로 활용하기 위해, 등대의 기능의 원활히 유지하기 위해 시설물을 개량하고 친수공간으로 활용하기 위해 건축물 등을 보강하여 어룡도등대의 역사적 가치를 국민에게 알리고, 등대의 본연의 역할인 해상교통안전에 만전을 기하고자 한다.

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부산시 노거수의 공간구성에 관한 연구 -생육환경 및 배치형태를 중심으로- (A study on old trees as they relate to the organization of space in Pusan -Attaching importance to the growth environment and arrangement form in space-)

  • 김승환;김순희
    • 한국조경학회지
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    • 제24권2호
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    • pp.86-98
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    • 1996
  • This study is intended to revaluate old tree, five of the shot of the Natural Monument and 66 shot trees under protection in the city at present. The study covers distribution, management of usage, investigation and research into various matters relating to the situation of old trees in Pusan. Because 60% of the old trees selected for protection is on private land, citizens have difficulty gaining access to them. Also space for growth is impinged on by various urban facilities. Some trees have problems of growth because the land is covered with cement and asphalt. As regards space for old trees, many places have been destroyed due to the lack of protection fences and the failure to establish a guidance board. Only 40% of the space has been set aside for rest. In these places the establishment of rest areas, benches and handy chairs is needed. And there are 20 holy places where people observe religious ceremonies. As for space security necessary for old trees according to trunk width, the minimum trunk width and availale area needed are more than 1:1.5, but less than 30% have the necessary space. The growth of many old trees is threatended because of the small apace for growth. The prescription of the boundary space is divided between inside and outside. This indicates the domain nature and space rank of the old tree. It can be classified into five forms for research purposes. The elements for prescription of critical space outside are connected with the security of space, and the elements relating to inside space portray the conditions for sensitive growth according to the institution and the ground conditions. The open and closed nature of old tree space has some connection with the relationship between usage and the intimacy of the user. Most of the spaces for old trees can't be used or are difficult to gain access to, so it is necessary to secure enough space for them. The 18 places, despite having easy access, are near farmland, hills or forest. So the intimacy factor is low, and the security of space of the old trees is not generally sufficient. Henceforth, it will be necessary to have security of area for old trees as well as maintenance control to protect them. Also the space should be used as a communal and recreation are in the city. It is the time to construct a landscaped area which people can easily approach, a place with a secure entrance where they can play, rest and converse.

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브랜치 도서관디자인의 공공성 표현에 관한 연구 - 미국 마리코파 카운티를 중심으로 - (A Study on the Expression of the Publicness on Public Branch Library Design - Focus on the Maricopa County, USA -)

  • 손광호
    • 한국실내디자인학회논문집
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    • 제21권6호
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    • pp.271-279
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    • 2012
  • Among the community-based cultural facilities, public libraries are places for social and educational purpose that improve the education of the resident, the expansion of the basic cultural education, communication between the members of society, and the accumulations and preservations of the culture. Public libraries should be a local cultural facility that expresses the value of a community. This study aims to analyze the design expression of publicness in a public branch library as a community-based cultural space through the study of branch library in the U.S. This study focused on the most future-oriented and innovative Ten New Landmark Libraries in the United States selected by Library Journal magazine in 2011. Among the selected libraries, three branch libraries which belongs Arizona Maricopa County were included in the study. The results of this study are as follows. First, the sites of the branch libraries vary geographically, but the libraries increase accessibility are caused by unique appearances and design concept of intellectual interest. Second, the floor plan shows the separation of meeting rooms and faculty space from the public space and has visual and spatial open space by high ceiling of the reading room. Third, multi-functional public space for residents are meeting rooms, the external patios for reading, galleries, cafes, libraries-shops which provides a variety of cultural programs, activities, and the opportunity to socialize neighbors. Fourth, branch Libraries have unique designs that harmonizes with nearby places to reflect locality, giving the locals a sense of pride in their community. Fifth, concrete brick and metal panel were used as finishing material for the practicality of maintenance. In particular, transparent glass envelope allows the locals to stay for long time due to openness and brightness of space.

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