• Title/Summary/Keyword: High Level Architecture

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A Transportation Movement Management Prototype Model Based on the High Level Architecture (상위체계구조에 근거한 수송이동관리 시제 모형)

  • 이상헌;이영구
    • Journal of the Korea Society for Simulation
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    • v.11 no.2
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    • pp.31-43
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    • 2002
  • The High Level Architecture(HLA) for modeling and simulation was developed as means of facilitating interoperability among simulations and promoting reuse of simulations and their components. The purpose of this paper is to provide a summary of the latest release of the HLA concept, supporting utilities and develop the prototyped Transportation Movement Management(TMM) federation. To obtain this goal, the Federation Development and Execution Process(FEDEP) is being applied to development of TMM federation will consist of three federates. This paper outlines the rationale of our approach, describes the application of the FEDEP in the development of the federation, and provides the current status of the federation development. The resulting federation shows complete interoperability among simulation components in the TMM federation and satisfactory simulation outputs. We present a description and process of the federation and the lessons learned with the process utilization for federation development and execution. Furthermore, the issues in establishing a HLA based federation across multiple legacy simulations are discussed.

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AUTOMATED PROJECT CONTROL SYSTEM FOR STEEL PROJECTS

  • Reza Azimi;SangHyun Lee;Simaan M. AbouRizk
    • International conference on construction engineering and project management
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    • 2009.05a
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    • pp.479-486
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    • 2009
  • This paper presents an integrated real-time monitoring and control framework that facilitates decision making by enabling project managers to take corrective actions right after any deviation happens and mitigate the damage to the ongoing steel projects. The proposed framework employs the High Level Architecture (HLA) as its infrastructure. It is composed of several individual monitoring and control components called "Federates," which cooperate and interact with each other through the Real-time Infrastructure (RTI). Reusability, interoperability and extendibility of federates in the proposed project control system make this a unique system.

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Logical architecture for hybrid library design (하이브리드 도서관 설계를 위한 논리적 구조)

  • 김지훈;노진구
    • Journal of the Korean Society for information Management
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    • v.19 no.2
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    • pp.69-92
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    • 2002
  • A hybrid information service may include local and/or remote distributed services, both and electronic. Also, a hybrid information service can be described as one which an appropriate range of heterogeneous information services is presented to the user in a consistent and integrated way via a single interface. The purpose of this study is to suggest high-level requirements and logical architecture to design hybrid library. High-level requirements analysis for hybrid library need to contain baseline requirements, basic system requirements, searching, location, requesting, delivery and payment. A logical architecture need to consider logical architecture for hybrid library management system including user access points, hybrid library management system and hybrid library components and 5 layered architecture including presenter, coordinator, mediator, communicator and provider to achieve local simplicity while still supporting complex functionality of hybrid library.

A Study on the Improvement Direction of Barrier-Free Certification Evaluation Items -Focusd on the Evaluation Items of the Building (장애물 없는 생활환경 인증제도 평가지표 개선방향 연구 -건축물분야 인증지표를 중심으로)

  • Lee, Kyoo-Il;Kang, Byoung-Keun
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.17 no.4
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    • pp.25-37
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    • 2011
  • As International considerations about the Barrier-Free environment increase, Korean Barrier-Free Environment Certification System has operated since 2008 in Korea. The purpose of this study is to find way to improve evaluation items, so this study analyzed the result of examination certified facilities and investigated the importance of the evaluation item for conducted a questionair survey with the BF experts. As a result, a lower scored and high important item should assign a higher score or lower the difficulty level, so induces applicants to be certified. Second, a higher scored and lower important item should assign a lower score or increase the difficulty of evaluating. The results suggested are expected the use in the improvement direction of BF certification evaluation items.

A New Resource Allocation Algorithm for Low Power Architecture (저 전력 아키텍처 설계를 위한 새로운 자원할당 알고리즘)

  • 신무경;인치호
    • Proceedings of the IEEK Conference
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    • 2000.11b
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    • pp.329-332
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    • 2000
  • This paper proposed resource allocation algorithm for the minimum power consumption of functional unit in high level synthesis process as like DSP which is circuit to give many functional unit. In this paper, the proposed method though high level simulation find switching activity in circuit each functional unit exchange for binary sequence length and value bit are logic one value. To used the switching activity find the allocation with minimal power consumption, the proposed method visits all control steps one by one and determines the allocation with minimal power consumption at each control step.

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Natural Ventilation in High-Rise Building with Double Facades, saving or waste of Energy

  • Lee, Eung-Jik;Pasquay, Till
    • KIEAE Journal
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    • v.2 no.3
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    • pp.39-45
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    • 2002
  • Double facades are built to allow natural ventilation in high rise buildings and buildings with high outside noise level. In high rise Buildings the gains in summer can be reduced by sufficient sun protection devices placed outside the rooms in the ventilated space between the inner and outer facade. To evaluate the energetic performance, three buildings with double facade were monitored for at least one year (Siemens Building in Dortmund/Germany, Victoria Insurance Company in Duesseldorf/Germany and RWE Tower in Essen/Germany). The results document the indoor climate, the boundary conditions for further planning and the possibilities for high rise buildings without or with little cooling facilities.

A Performance Evaluation of Plate Type Enthalpy Exchanger through CFD Analysis of Elements (열 교환 소자 형상의 CFD 시뮬레이션을 통한 판형 전열 교환기 성능평가)

  • Kang, In-Sung;Ahn, Tae-Kyung;Park, Jin-Chul
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.29 no.1
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    • pp.1-6
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    • 2017
  • In order to better save energy, many buildings have been constructed with high levels of insulation and airtightness in recent years. Additionally, having high quality indoor air has become more relevant, necessitating a ventilating system. This study is aimed at evaluating the performance of a humidity exchanger through computational fluid dynamics (CFD) analysis of elements for the purpose of providing comfortable indoor air and reduced energy consumption. The simulation was conducted with three different shapes (triangle, rectangular, and curve) of heat exchanger elements, in order to find the most effective element. A follow-up simulation then proved the efficiency of the chosen humidity exchanger, which was selected by analyzing the results of the preceding simulation, comparing study data with measurement data from the Korea Testing Laboratory (KTL). The resulting analysis revealed that the rectangular element showed the lowest level of efficiency in both heating and cooling, while the curved element showed the highest level of efficiency in both heating and cooling.

A Study of the HLA Compliance Testing System and Procedures for ROK (한국형 HLA(High Level Architecture) 적합성 인증시험 체계 및 절차 연구)

  • Jo, Hee-Jin;Lee, Chong-Ho;Kim, Jae-Man
    • Journal of the Korea Society for Simulation
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    • v.27 no.1
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    • pp.15-24
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    • 2018
  • High Level Architecture(HLA) for modeling and simulation is an international technical standard to achieve simulation interoperability and reusability. Building federation through the interworking of federates is being used in various fields and is being used in KR(Key Resolve), UFG(Ulchi-Freedom Guardian) as a representative in domestic military. Currently, United States Department of Defense emphasizes the HLA compliance test, which confirms the compliance of Federate by using HLA. However, due to the limitations of testing tools, an HLA compliance test of DoD is not able to perform some of the functional tests on HLA/RTI services such as federation storage/recovery services and also exclude inspection of exchange data between federates. To solve these problems, this paper proposes an HLA compliance testing system of ROK suitable for domestic situations. This will enable effective HLA compliance testing and improve interoperability between federates.

A Study on Environment and Perception of CAD by Undergraduate Students in the Dept. of Architecture - Case study on Undergraduate Students - (대학(大學) 건축학과(建築學科) 재학생(在學生)의 CAD 환경(環境) 및 인식(認識)에 관한 연구(硏究) - 사례대학의 재학생을 대상으로 -)

  • Yoo, Chang-Geun;Park, Sung-Ha
    • Journal of The Korean Digital Architecture Interior Association
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    • v.1 no.1
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    • pp.24-30
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    • 2001
  • This study conducts a questionnaire with undergraduate students in the Dept. of Architecture who will lead the architectural field in future, examines environment and perception of CAD in their home and universities and aims at supplying the data required for setting CAD educational index and building its use environment, and it could obtain the following results. Individual CAD environment of undergraduate students in the Dept. of Architecture reach a considerable level in hardware part, but they don't have the same level in software part as the hardware and use illegal copy programs. It is shown that they spend their time in using CAD for five to eight hours a week and its main purposes are to perform a project related to architectural design or make report requiring drawing. Major places using CAD are CAD room in university or public PC room equipped with CAD compared to their own houses and most of them have a negative recognition of the convenience of its use. Their satisfaction with CAD use is considerably high and when they submitted their assignments of architectural design project by means of CAD, they had a positive evaluation from their professors and they have such hopes that 'Korean Support Strengthening', 'lowering price through version supply for students' and 'diversification of design symbol' in CAD S/W, and especially, most of respondents have an intention to purchase the original goods when version only for students will be marketed in future. Accordingly, for a qualitative improvement of CAD environment for undergraduate students in the Dept. of Architecture, universities must be equipped with the various types of CAD S/W and Applications and students' opportunity to access them should be increased. In addition, a method which can enhance using convenience of CAD room and PC room is required and CAD related S/W developers must market the version for students which consider the reality of undergraduates in Korea properly with an appropriate price level in order to settle a sound S/W culture.

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