• Title/Summary/Keyword: web-monitoring system

Search Result 670, Processing Time 0.025 seconds

Web-Hased Control and Monitoring System Using LonWorks/Ethernet Sever for HVAC Application (LonWorks/Ethernet 서버를 이용한 HVAC의 Web 기반제어에 관한 연구)

  • Hong, Won-Pyo;Ahn, Heong-Soo;Choi, Hoo-Seung
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
    • /
    • 2005.11a
    • /
    • pp.225-231
    • /
    • 2005
  • 본 연구에서는 프랜트 및 빌딩자동제어 분야에서 적용이 확대되고 있는 LonWorks 필드버스를 이용하여 기존의 공기조화 시스템를 제어하고 있는 DDC제어기를 대체할 수 있도록 필드버스에서 사용이 가능한 고성능 저가의 지능형 제어모듈을 개발하였다. 이는 필드버스 기반의 AHU 전용 지능형제어기를 새로운 설계기술로 개발하고 상품화를 실현하였다. 특히 S/W부분에서도 8 bit Neuron chip에 매우 콤팩트하게 내재된 고성능 응용프로그램도 개발하였다. 또한 Echelon 사의 iLON 100 server의 Soap/XML을 사용하여 Web 브라우저에서 쉽게 프로그램을 작성 제어모니터링 기법을 개발하였다. 공조기의 실험시스템을 구축하여 개발된 전용 제어기 및 Web 기반제어를 실험한 결과 밸브, 댐퍼제어 및 감시기능이 기존 DDC 제어기보다 우수함을 확인하였으며 원격제어 기반을 구축하였다.

  • PDF

Development of 4MW Class High Voltage Inverter System (4MW급 고압 인버터 시스템 개발)

  • 박영민;한기준;최세경;정명길;이세현
    • The Transactions of the Korean Institute of Power Electronics
    • /
    • v.6 no.5
    • /
    • pp.432-437
    • /
    • 2001
  • This paper describes a new developed 3.3KV/4MW class three-level Voltage Source Inverter(VSI), which is equipped with IIMS(Inverter Information Management System) based on the world wide web and with the Virtual operation simulator. The algorithm for motor control is the stator oriented Direct Torque Control(DTC), which works without speed sensor and gives the physically fastest dynamic response. The IIMS have the functions of operation monitoring and data managements. Virtual operation simulator can analyze and tune the system characteristics without main power. Now, this system is under the field test to verify the confidence.

  • PDF

Development of Data Visualized Web System for Virtual Power Forecasting based on Open Sources based Location Services using Deep Learning (오픈소스 기반 지도 서비스를 이용한 딥러닝 실시간 가상 전력수요 예측 가시화 웹 시스템)

  • Lee, JeongHwi;Kim, Dong Keun
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.25 no.8
    • /
    • pp.1005-1012
    • /
    • 2021
  • Recently, the use of various location-based services-based location information systems using maps on the web has been expanding, and there is a need for a monitoring system that can check power demand in real time as an alternative to energy saving. In this study, we developed a deep learning real-time virtual power demand prediction web system using open source-based mapping service to analyze and predict the characteristics of power demand data using deep learning. In particular, the proposed system uses the LSTM(Long Short-Term Memory) deep learning model to enable power demand and predictive analysis locally, and provides visualization of analyzed information. Future proposed systems will not only be utilized to identify and analyze the supply and demand and forecast status of energy by region, but also apply to other industrial energies.

WEB-BASED MONITORING FOR PHOTOVOLTAIC/WIND POWER GENERATION FACILITIES (태양광/풍력 발전설비의 웹기반 모니터링기술)

  • Park, Se-Jun;Yoon, Jeong-Phil;Cha, In-Su
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
    • /
    • 2004.11b
    • /
    • pp.33-37
    • /
    • 2004
  • Photovoltaic energy and wind energy are highly dependent on the season, time and extremely intermittent energy sources. Because of these reasons, in view of the reliability the photovoltaic and the wind power generation system have many problems(energy conversion, energy storage, load control etc.) comparing with conventional power plant. In order to solve these existing problems, hybrid generation system composed of photovoltaic(500W) and wind power system(400W) was suggested But, hybrid generation system cannot always generate stable output due to the varying weather condition So, the auxiliary power compensation unit that uses elastic energy of spiral spring was added to hybrid generation system for the present study. It was partly confirmed that hybrid generation system was generated a stable outputs by spiral spring was continuously provided to load.

  • PDF

WPAN Based Semantic-Web Health Monitoring (WPAN기반 시멘틱 웹 헬스 모니터링)

  • Lim, Myung-Jae;Kim, Myung-Gwon;Lee, Ki-Young
    • The Journal of the Institute of Internet, Broadcasting and Communication
    • /
    • v.13 no.6
    • /
    • pp.167-172
    • /
    • 2013
  • In recent years, mobile healthcare systems that transfer patient data wirelessly have been used in the medical field. However, the current messages supported to patients are difficult to satisfy the specific patients, and there is a lack of healthcare systems to help manage patients with diabetes or pregnant women on a regular basis. In this regard, this paper demonstrates that the semantic-web service to which data transfer method, application framework and networking of WPAN are applied can be implemented. In addition, it suggests common data types to integrate data from a variety of sources and provides a common framework in which information on the Web can be shared and reused in applications, businesses and communities, etc. As an example, the healthcare monitoring that can manage healthcare for pregnant women, which includes confirmation of pregnancy, periodic health management, fetal movement, prenatal care and health-related knowledge, is proposed.

X3D Based Web Visualization by Data Fusion of 3D Spatial Information and Video Sequence (3D 공간정보와 비디오 융합에 의한 X3D기반 웹 가시화)

  • Sohn, Hong-Gyoo;Kim, Seong-Sam;Yoo, Byoung-Hyun;Kim, Sang-Min
    • Journal of Korean Society for Geospatial Information Science
    • /
    • v.17 no.4
    • /
    • pp.95-103
    • /
    • 2009
  • Global interests for construction of 3 dimensional spatial information has risen due to development of measurement sensors and data processing technologies. In spite of criticism for the violation of personal privacy, CCTV cameras equipped in outdoor public space of urban area are used as a fundamental sensor for traffic management, crime prevention or hazard monitoring. For safety guarantee in urban environment and disaster prevention, a surveillance system integrating pre-constructed 3 dimensional spatial information with CCTV data or video sequence is needed for monitoring and observing emergent situation interactively in real time. In this study, we proposed applicability of the prototype system for web visualization based on X3D, an international standard of real time web visualization, by integrating 3 dimensional spatial information with video sequence.

  • PDF

Development of optical dual-sensors for submersion monitoring using zigbee-based wireless sensor networks (지그비 기반 센서 네트워크를 이용한 침수감지용 광 이중센서 개발)

  • Key, Kwang-Hyun;Kim, Hyung-Pyo;Sohn, Kyung-Rak
    • Journal of Sensor Science and Technology
    • /
    • v.19 no.3
    • /
    • pp.184-190
    • /
    • 2010
  • In this paper, a remote submersion warning system based on multi-mode optical fiber(MMF) sensors and a wireless sensor network(WSN) are proposed. To improve the reliability and stability of the sensors, the dual optical fiber sensors combined to the optical coupler are demonstrated. A slave zigbee as a wireless sensor module was used as a platform to monitor and record the signal from the MMF sensors and then transmits these information to a master zigbee wirelessly. The monitoring system running the $LabVIEW^{(R)}$ software was connected to the internet to support the short message service(SMS) through extensible markup language(XML) web service. No matter where the managers are, they can always receive the real-time remote-monitoring data for safety check.

A Bridge Management System Using Wireless Sensor Networks (무선 센서망을 이용한 교량 관리 시스템)

  • Park, Chan-Heum;Kim, Young-Rag;Kim, Geum-Deok;Park, Hee-Joo;Kim, Chong-Gun
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.35 no.5B
    • /
    • pp.824-832
    • /
    • 2010
  • In construction structure management, the effects of investigation by the professional manager is dependent on the cost, the inspection periods and methods. Therefore, effective and automated maintenance system for the target structure is required. Although some bridge monitoring systems are operating using wire based networks, the performance is not good enough to show sufficient ability as integrated bridge management system. In this paper, we design and implement an integrated bridge management system based on sensor networks. Two expert modules for bridge management and the integrated system management are provided. Moreover, web-based monitoring system is also designed for users at anywhere. The results show that the system is effective and readily available.

A Study on Development of Industrial Engine Monitoring System Using Smart Phone Application (스마트폰 앱을 이용한 산업용 엔진의 모니터링 시스템 개발에 관한 연구)

  • Jeong, C.S.;Kim, Y.S.;Jeong, Y.M.;Kho, J.H.;Jeong, K.S.;Lee, H.S.;Yang, S.Y.
    • Journal of Drive and Control
    • /
    • v.10 no.2
    • /
    • pp.7-12
    • /
    • 2013
  • In this study, a wire/wireless communication system transmitting the operation data of engine from the ER (Engine Room) to the engine controller of ECR(Engine Control Room) has been developed through the communication of ISM(Industrial Science Medical) Band for the test operation environment improvement of medium speed engine. This wire/wireless communication system is composed of the RTU (Remote Terminal Unit) gathering and transmitting engine data as well as the MCU (Master Control Unit) receiving engine status information from the RTU to be sent to the engine controller (PLC). Through this study, a trial product of RTU and MCU has been manufactured. A test bench that has made temperature, pressure and pick-up sensor into a module for the local test of prototype was produced a test bench. In addition, at the same time save the data to a Web server and the smart phone real-time monitoring system has been developed using Wi-Fi communications. The ultimate objective of this study is to develop a wireless smart phone monitoring system of engine for the operator of engine to be able to monitor and control engine status even from the outside of engine room and control room based on this study.

The Development of Remote Monitoring Technology for URC Robot (URC 로봇 원격 모니터링기술 개발)

  • Kim Joo-Man
    • The Journal of the Korea Contents Association
    • /
    • v.6 no.8
    • /
    • pp.8-19
    • /
    • 2006
  • In the ubiquitous environment, the real-time remote control and monitoring technology for intelligent robot creates service as a sharable and independent of time-location for various contents to get from a sensor or camera of the robot. In this paper, We propose the real-time monitor and control mechanism for intelligent robot called URC(Ubiquitous Robotic Companion). URC are intelligent robots designed as to interact with external digital device that can communicate through wire or wireless by integration the network and information technology into traditional robot. It has been carried out by implementing this technology into the target robot called ISSAC4 and proving its practical worth. We designed feasibly to control on remote site by web-browser. It guarantees a continuity of real-time image transferring by Client-Pull method.

  • PDF