• Title/Summary/Keyword: Web based system

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Development of a Web-based Dynamic Simulation System for Multibody Systems (웹기반 범용 다물체 동역학 시뮬레이션 시스템 개발)

  • 한형석;이재경
    • Journal of the Korean Society for Precision Engineering
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    • v.20 no.8
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    • pp.194-204
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    • 2003
  • A Web-based dynamic simulation system, called O-DYN, for multibody dynamic systems is developed. All the interfaces of the system are accessible via Web browsers, such as Netscape or Explorer. The system uses a block-diagram type O-DYN/Modeler developed in JAVA Applet as a preprocessor. The O-DYN postprocessor composed of O-DYN/Plotter and O-DYN/Animator is developed in JAVA Applet. The O-DYN/Solver for predicting the dynamic behavior is run on the server. Anyone who wants to simulate the dynamics of multibody systems or share results data can access the analysis system over the Internet regardless of their OS, platform, or location.

Web-based Building Automation System using Embedded Linux (임베디드 리눅스를 이용한 웹 기반 빌딩자동화시스템)

  • 신은철;이수영;최병욱
    • Journal of Institute of Control, Robotics and Systems
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    • v.10 no.4
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    • pp.334-340
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    • 2004
  • In this paper, a Web-based management system for the building network is described. A multi-protocol converter based on SoC and embedded Linux is designed. The open source licensing, reliability, and broad hardware support are key reasons for use of embedded Linux in embedded industry. The multi-protocol converter integrates control network of RS-485 and LonWorks devices through TCP/IP protocol for a client with Java applet. The system consists of three-tier architecture, such as a client, a server that is performed on a multi-protocol converter, and control devices. The developed system includes the inverter motor control system with modbus protocol for the RS-485 network. The experiment results show that the multi-protocol converter using embedded Linux is a flexible and effective way to builda Web -based monitoring and control system.

Design of Web-Based Expert System in Assessment, Programming, Evaluation for Infants and Young Children with Developmental Disability (발달장애 영유아의 진단, 중재, 평가를 위한 웹기반 전문가 시스템의 설계)

  • Jeon, Byung-Un;Kim, Young-Hee
    • The Journal of Korean Association of Computer Education
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    • v.9 no.2
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    • pp.57-67
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    • 2006
  • The purpose of the research is to designing of web-based expert system in assessment, programming, evaluation for infants and young children with developmental disability. For this purpose, research articles such as curriculum-based assessment evaluation, web-based expert system, use of the computer technology in special education were analyzed. The design of web-based expert system for infants and young children with developmental disability connected with information analysis, optimum levels, data collection, data analysis, decision-making, and intervention.

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Development of web-based Simulation System for Finite Element Analysis (웹기반 유한요소해석 시스템 개발)

  • Yoon E. Y.;Kim J.;Kang B. S.
    • Proceedings of the Korean Society for Technology of Plasticity Conference
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    • 2005.10a
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    • pp.384-388
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    • 2005
  • The purpose of this paper is to develop web-based simulation system which can be used anytime, anywhere without expensive hardware and software. In this paper, a web-based simulation system was developed by utilizing finite element analysis and client/server system using visual C++ and ASP. The client/server system consist of two modules, post-processor, management system module. The input data for FEM calculation is transferred to the management system. After that, the result from the simulation can be visualized through the post-processor module. By using this system, small industries and individuals can considerably save the time and expense.

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Development of Three-Dimensional Flow Velocity Component Measurement System with Straight-Type Five-Hole Pressure Probe Using Ch Language (Ch를 이용한 직선형 5공 압력 프로브의 3차원 유동속도 계측시스템 개발)

  • Oh, S.H.;Kim, J.K.
    • Journal of Power System Engineering
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    • v.14 no.1
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    • pp.40-46
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    • 2010
  • This paper shows the development process for measuring three-dimensional flow velocity components in a web-browser. The system is developed in an embeddable C/C++ interpreter Ch and Ch-CGI toolkit. The interface for the web-based measurement system consists of a set of web HTML files and Ch files for CGI. All of data in web browser are passed to Ch-CGI script to generate the output of new HTML file. PC-Server and PC-Client can submit measurement parameters and receive the text/graphical results each other. PC-Client can control the test equipment by using a parameters that received from PC-Server. It also can pass the test results between the web-based measurement system. In summary, the designed measurement system is evaluated, the outputs shown well on the web browser.

A Hybrid Service Orchestration Framework based on BPEL4WS

  • Kim, Sung-Min
    • Journal of information and communication convergence engineering
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    • v.7 no.3
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    • pp.253-257
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    • 2009
  • As the value of B2B integration gets more importance and the business process becomes more complex, BPEL4WS standard has been focused for the solution of the problems which is based on web service technology. Many vendors implement the standard in their systems to integrate B2B and web service based inner-Enterprise Application(EA)s. But there is no way to use the standard to integrate non-web service based EAs, because the standard is designed only for Service Oriented Architecture (SOA) over web services. This paper proposes Hybrid Service Orchestration Framework to participate web services and also non-web service based EAs in the business process as a partner using BPEL4WS standard. The framework introduces Hybrid Service Architecture to represent non-web service based EAs as a service, so BPEL4WS could be used to integrate web services and non-web service based EAs. And the framework also introduces Hybrid Service Toolkit to support software level facilities. The paper also introduces Hybrid Orchestration System that is based on Hybrid Service Orchestration Framework.

Performance Evaluation of Node.js for Web Service Gateway in IoT Remote Monitoring Applications

  • Nkenyereye, Lionel;Jang, Jong-Wook
    • International Journal of Advanced Culture Technology
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    • v.4 no.3
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    • pp.13-19
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    • 2016
  • The growth of mobile devices in Internet of Things (IoT) leads to a number of remote and controlling system related IoT applications. For instance, home automation controlling system uses client system such web apps on smartphone or web service to access the home server by sending control commands. The home server receives the command, then controls for instance the light system. The web service gateway responsible for handling clients' requests attests an internet latency when an increasing number of end users requests submit toward it. Therefore, this web service gateway fails to detect several commands, slows down predefined actions which should be performed without human intervention. In this paper, we investigate the performance of a web server-side platgorm based event-driven, non-blocking approach called Node.js against traditional thread-based server side approach to handle a large number of client requests simultaneously for remote and controlling system in IoT remote monitoring applications. The Node.JS is 40% faster than the traditional web server side features thread-based approach. The use of Node.js server-side handles a large number of clients' requests, then therefore, reduces delay in performing predefined actions automatically in IoT environment.

Development of Geospatial Simulation Framework for WebGIS-based Simulation System (WebGIS 기반의 시뮬레이션 시스템을 위한 지리공간 시뮬레이션 프레임워크 개발)

  • Lee, Seong-Kyu;Kim, Young-Seup;Choi, Chul-Uong;Suh, Yong-Chul
    • Spatial Information Research
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    • v.18 no.5
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    • pp.119-131
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    • 2010
  • Researchers require repetitive works such as data format analysis, reformatting and map reprojection in order to use geospatial data. To solve above problems, they are building web-based simulation systems with web developers. But the web-based systems are not efficiently developed because there is not the appropriate simulation framework for a web-based system using geospatial data. In this study, the geospatial simulation framework that can be effectively applied to the web-based system was designed and proposed. Also, the framework was composed of 7 modules; web mapping service, GIS mapping, statistics, model, processing,graphics, and geospatial datasets. In order to evaluate the effectiveness of the framework, a case study of urban growth has been verified. Experts who are not specialized in geospatial information disciplines expect to build easily a web-based system using geospatial data.

Design of Efficient Simulation-based Contents at e-Learning (이러닝에서 효율적인 시뮬레이션 기반 콘텐츠 설계)

  • Lee Jun-Hee
    • The Journal of the Korea Contents Association
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    • v.5 no.5
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    • pp.325-333
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    • 2005
  • When a designer creates a new web-based learning-teaching system, there are so many considerations to help learners' learning effect through effective interaction. First of all, web-based simulation is recommended to provide learners with effective and attractive learning environments in web. Efficient study design should be considered because well designed simulation-based contents provide continuous interest for learner. Until now many e-Learning systems provide web-based simulation using various technique. However, those contents require to be reorganized considering the level of accomplishment, learning styles. In this paper, I proposed a system that the learners can share simulation objects among other e-Learning systems using XML web service. By experimental result, the proposed system shows that is more efficient than the conventional system in the self-leading study activity and interactivity.

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Development of a Block-diagram type GUI in JAVA Applet (자바 애플릿을 이용한 블록 다이어그램식 GUI 개발)

  • 황성환;한형석;이재경;김동성
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2003.06a
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    • pp.1751-1754
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    • 2003
  • Due to advances in information technology, even Engineering Simulations can now be performed in web-based JAVA through an integrated operating system called Virtual Machine and the use of byte code, which guarantees the compatibility of identical codes in every computing system and makes it suitable for web-based simulation system development. This paper introduces an implementation embodied in JAVA Applet that allows a block-diagram type GUI that runs in a web browser for use in the dynamics simulation modeling of powertrains of vehicles and multi-body systems. This system is not restrained by any of the H/W and S/W in the user's computer, so that it has the advantage of providing a GUI that allows web-based block-diagram type modeling.

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