• Title/Summary/Keyword: Distributed architecture

Search Result 1,409, Processing Time 0.027 seconds

The Creation of Outdoor Environmental Education Space at an Elementary School (초등학교 옥외 환경학습공간 조성)

  • 방광자;김기현;박성은
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.29 no.6
    • /
    • pp.50-61
    • /
    • 2002
  • As recognition and polices for plans to preserve natural resources and to develop environment-friendly space in school education is developed, not only organization of curriculums related to these is required but also facilities for the education are indispensable. Therefore, this study tries to suggest several standards on matters including kinds and scale of facilities and the introduction of species by facilities required for outdoor teaming spaces for environmental education in the elementary school system. The methods of this study include researching various records related to environmental education in elementary school, researching the present condition of outdoor learning space installed and operating in the existing schools by making an on-the-spot survey, and analyzing appearance frequencies of plants and animals displayed in the text. In addition, the actual conditions of the facility use and management were investigate through a questionnaire, We chose and diagrammed a model of the installed facilities by putting the results together. For analyses the investigated eight schools, were categorized as ‘facilities-arranged type’or ‘connection type with ecological park’. The first type distributed and arranged facilities, including meteorological observatory, rocky park, experience-learning area, ecological pond, animal-breeding farm and field-leaning area into appropriate locations according to the site conditions of the school while the second type created a natural learning place by integrating several facilities and arranging areas such as an animal-breeding farm and experience-learning area into appropriate sites. In this study, essential facilities for outdoor learning are classified into ecological park, experience-loaming area, field loaming area, and for natural learning, meteorological observatory, animal-breeding farm, and greenhouse.

An Analysis of Biotope Structure in Metropolitan city in terms of Nature Experience and Recreation (대도시의 비오톱 구조분석 -자연체험 및 휴양의 관점에서-)

  • 나정화;이석철
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.28 no.3
    • /
    • pp.72-87
    • /
    • 2000
  • The purpose of this research was analysis of biotope structure focused on the evaluation for the nature experience and recreation in the case of Suseoung District in Daegu metropolitan area. The results of this study were as follows; 1) The result of biotope type classification was divided into 17 biotope type groups and 90 biotope types belonging to them. 2) In the result of the first evaluation for the nature experience and recreation, biotope types such as MA, NA, OE, PH, QB etc. possess great value. Particulary these biotope types come from forest areas and transition zone. The have not appeared in the inner of cities. 3) The biotope types such as JC, ME, OA, OE, PB, QD, QF etc. are proved to possess high value in the result of the utility evaluation. 4) There emerges 3a biotope type that has the highest value in the result of the second evaluation - such as ME, NB, NC, PD, QB etc. Most of them range widely except in the urbanized areas. Most of them were presented into the large area of site size and in the outer forest areas. But most of them were distributed in the forest areas intensively. So, it is certain that the space of nature experience connected with residential district of the urban people s scarce. Finally, the detailed plan must be made out specially continuously. It is about biotope spaces that are important for the nature experience and the recreation from the result of this research. Also, the study on the detailed index settlement of the sight green plan based on the biotope map must be continued.

  • PDF

The Design of XMDR Data Hub for Efficient Business Process Operation (효율적인 비즈니스 프로세스 운용을 위한 XMDR 데이터 허브 설계)

  • Hwang, Chi-Gon;Jung, Gye-Dong;Choi, Young-Keun
    • The KIPS Transactions:PartD
    • /
    • v.18D no.3
    • /
    • pp.149-156
    • /
    • 2011
  • Recently, enterprise systems require the necessity of integration for data sharing and cooperation. As a methodology for integration, Service-Oriented Architecture for service integration and Master Data for integration of data, which is used for service, were appeared. This paper suggests a method that operates BP(Business Process) efficiently. We make XMDR(eXtended Meta Data Registry) as knowledge-repository to support the BP and construct data hubs to operate it. XMDR manages MDM(Master Data Management) to integrate the data, resolves heterogeneity between the data and provides relationship to the business efficiently. This is composed of MDR(Meta Data Registry), ontology and BR(Business Relations). MDR describes relationship between meta data to solve structured heterogeneity. Ontology describes semantic heterogeneity and relationship between data. BR describes relationship between tasks. XMDR data hub supports the management of master data and interaction of different process effectively.

Management Plan and Vascular Plants of the Jusan Reservoir Watershed in Juwangsan National Park (주왕산국립공원 내 주산지 유역의 관속식물상 및 관리방안)

  • You, Ju-Han;Jung, Sung-Cheol;Chung, Chul-Un;Mun, Sung-Ju
    • Journal of the Korean Society of Environmental Restoration Technology
    • /
    • v.15 no.1
    • /
    • pp.89-105
    • /
    • 2012
  • This study is carried out to survey and analyse the vascular plants distributed around the Jusan Reservoir, Juwangsan national park. The results are as follows. The numbers of vascular plants were 377 taxa; 85 families, 253 genera, 332 species, 3 subspecies, 37 varieties and 5 forma. The endangered plants designated by Ministry of Environment were 2 taxa; Berchemia berchemiaefolia (Makino) Koidz. and Iris odaesanensis Y.N.Lee. The rare plants designated by Korea Forest Service were 6 taxa; Eranthis stellata Maxim., Aristolochia contorta Bunge, Aristolochia manshuriensis Kom., Berchemia berchemiaefolia (Makino) Koidz., Scopolia japonica Maxim. and Iris odaesanensis Y.N.Lee. The endemic plants were 4 taxa; Carpinus laxiflora (Siebold & Zucc.) Blume, Pseudostellaria coreana (Nakai) Ohwi, Philadelphus schrenkii Rupr. and Weigela subsessilis (Nakai) L.H.Bailey. The specific plants by floristic region were 38 taxa; Juglans mandshurica Maxim., Salix chaenomeloides Kimura, Hylomecon vernalis Maxim., Lonicera praeflorens Batalin, Erythronium japonicum (Baker) Decne., Potentilla dickinsii Franch. & Sav., Celtis aurantiaca Nakai, Anemone reflexa Steph. & Willd., Cimicifuga heracleifolia Kom. and so forth. The naturalized plants were 20 taxa; Fallopia dumetorum (L.) Holub, Chenopoidum album L., Lepidium apetalum Willd., Veronica persica Poir., Conyza canadensis (L.) Cronquist, Taraxacum officinale Weber and so forth.

Development of the System Controller for the Airborne Small SAR (KOMSAR) (항공기탑재 소형 영상레이더 (KOMSAR) 시스템 제어기 개발)

  • Hwang, Yong-Chul;Lee, Cheol-Hoon
    • Journal of the Korean Society for Aeronautical & Space Sciences
    • /
    • v.33 no.3
    • /
    • pp.86-92
    • /
    • 2005
  • Synthetic Aperture Radar is an active sensor utilizing the microwaves in order to get the requested high resolution imageries day or night regardless of the weather conditions. In this paper, the architecture of a real-time system controller for the airborne small SAR system, KOrea Miniature SAR which was developed by Agency for Defense Development is proposed considering the embedded real-time environment. The main purpose of the system controller is to control the internal and the rest of subsystem within SAR system in real-time. The main characteristics of the proposed system controller were implemented using the real-time operating system and the distributed hardware architecture for the small, low weight and real-time operation. The system controller performance and real-time operation were verified and confirmed by the demo flight with the KT-1 airplane.

A study on the occurrance real status of naturalized plants in urban green space (공원녹지내 사화직물 출현실태 분석에 관한 연구)

  • 노재현
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.26 no.3
    • /
    • pp.66-77
    • /
    • 1998
  • The purpose of this study is on identifying real condition of naturalized plants in urban green space. For this, Chollabak-do region was selected for case study. The occurring frequency and distribution status was investigated by field survey. The area of green open space, level of management and passed years after construction etc, were analized to identify the influence on occurrence of naturalized plants. The result is as follows: 1. In 18 sites, 145 taxa as weed species including naturalized plants were occurred. Average No. of occurring taxa is 22.7. Two families of plants, Graminae and compositae charged the most part. Also the rate of naturalized plant among them is 29.7%. 2. Naturalized species showing high occurring rate are 14 taxa of compositae, 5 taxa of Gramineae, Leguminosae and 4 taxa of cruciferae. These plants of previous four somatic polymorphism among all the naturalized plants. 3. The taxa number of naturalized plants were reducedby intensive management. But the rate of naturalized plants in extensively managed area was relatively lower than intensively managed one. Naturalizd plants were widely distributed in most of urban green space with being cognitioned as whole weed. 4. In origin of naturalized plants, the taxa from north America were 16 and the taxa from Europe were 16. Therefore the rate originated from north America and Europe charged high part as 68.2%. The rate of Annual, Biennial and Perennial were each 78.7%, 21.3%. The alternative of management for control aganist disturbance by Annual & Biennial required. 5. Multi-relations analysis shows 0.81 which is the relatively high interralation between the number of emerged axa and that of naturalized ones. 6. The number of naturalized species has no relation to the lapse of years after construction of open-space. Especially it was identified that weed control in the beginning of construction is very important. On the other hand the relation between Ys and Xp was Ys=1.784Xp+4.646.

  • PDF

Design of ActiveX based Application for the Implementation of Control & Monitoring System (제어 및 모니터링 시스템 구현을 위한 ActiveX 기반의 애플리케이션 설계)

  • Song, Min-Gyu
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.7 no.6
    • /
    • pp.1237-1242
    • /
    • 2006
  • Microsoft's ActiveX corresponding to the advanced type of COM based distributed application model is made available for the use of component communication[1]. ActiveX supports reuse of code and object linking, so developers can integrate many objects into application and improve the efficiency of development. Also, Integration of seperated application makes easy to develop customized program[2]. ActiveX, formerly used to develope communication application in Visual C++ or Visual Basic, has the efficiency of programming and is widely used in the M&C(Monitoring and Control) of instruments. In this paper, we will implement M&C application capable of remote operating, and besides, develop web browser and media player in the form of ActiveX control in order to control and monitor program remotely.

  • PDF

A Dual Slotted Ring Organization for Reducing Memory Access Latency in Distributed Shared Memory System (분산 공유 메모리 시스템에서 메모리 접근지연을 줄이기 위한 이중 슬롯링 구조)

  • Min, Jun-Sik;Chang, Tae-Mu
    • The KIPS Transactions:PartA
    • /
    • v.8A no.4
    • /
    • pp.419-428
    • /
    • 2001
  • Advances in circuit and integration technology are continuously boosting the speed of processors. One of the main challenges presented by such developments is the effective use of powerful processors in shared memory multiprocessor system. We believe that the interconnection problem is not solved even for small scale shared memory multiprocessor, since the speed of shared buses is unlikely to keep up with the bandwidth requirements of new powerful processors. In the past few years, point-to-point unidirectional connection have emerged as a very promising interconnection technology. The single slotted ring is the simplest form point-to-point interconnection. The main limitation of the single slotted ring architecture is that latency of access increase linearly with the number of the processors in the ring. Because of this, we proposed the dual slotted ring as an alternative to single slotted ring for cache-based multiprocessor system. In this paper, we analyze the proposed dual slotted ring architecture using new snooping protocol and enforce simulation to compare it with single slotted ring.

  • PDF

A Proposal for Protocol Conformance Testing Method using Idle Virtual Channel (유휴 가상 채널을 이용한 ATM프로토콜 적합성 시험 방법 제안)

  • Hong, Beom-Kee;Jung, Yoon-Hee;Oh, Chang-Seok;Lee, Joon-Won
    • The Transactions of the Korea Information Processing Society
    • /
    • v.4 no.11
    • /
    • pp.2832-2839
    • /
    • 1997
  • In this paper, a testing architecture and procedure that an idle ATM virtual channel can be utilized for TCP channel is proposed. Four kinds or methodologies for protocol conformance testing have been standardized in ISO. Remote testing method used popularly have some disadvantages that developer must operate system manually in case of System Under Test (SUT) active testing and we cannot control and observe Implementation Under Test (IUT) often. It is proper to adopt distribute testing method than remote test in order to maximize test coverage and optimize fault coverage for conformance testing in ATM systems, and it is required that TCP channel is prepared for distribute testing method. The proposed architecture can adopt distributed testing method without extra physical channel for testing control. Also we can maximize the test coverage and implement the automation of testing without intervention of operator sustaining normal operation of ATM equipment.

  • PDF

Flexible smart sensor framework for autonomous structural health monitoring

  • Rice, Jennifer A.;Mechitov, Kirill;Sim, Sung-Han;Nagayama, Tomonori;Jang, Shinae;Kim, Robin;Spencer, Billie F. Jr.;Agha, Gul;Fujino, Yozo
    • Smart Structures and Systems
    • /
    • v.6 no.5_6
    • /
    • pp.423-438
    • /
    • 2010
  • Wireless smart sensors enable new approaches to improve structural health monitoring (SHM) practices through the use of distributed data processing. Such an approach is scalable to the large number of sensor nodes required for high-fidelity modal analysis and damage detection. While much of the technology associated with smart sensors has been available for nearly a decade, there have been limited numbers of fulls-cale implementations due to the lack of critical hardware and software elements. This research develops a flexible wireless smart sensor framework for full-scale, autonomous SHM that integrates the necessary software and hardware while addressing key implementation requirements. The Imote2 smart sensor platform is employed, providing the computation and communication resources that support demanding sensor network applications such as SHM of civil infrastructure. A multi-metric Imote2 sensor board with onboard signal processing specifically designed for SHM applications has been designed and validated. The framework software is based on a service-oriented architecture that is modular, reusable and extensible, thus allowing engineers to more readily realize the potential of smart sensor technology. Flexible network management software combines a sleep/wake cycle for enhanced power efficiency with threshold detection for triggering network wide operations such as synchronized sensing or decentralized modal analysis. The framework developed in this research has been validated on a full-scale a cable-stayed bridge in South Korea.