• Title/Summary/Keyword: Data Acquisition Equipment

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Design and Implementation of a Hybrid Equipment Data Acquisition System(HEDAS) for Equipment Engineering System(EES) Framework (EES 프레임워크를 위한 하이브리드 생산설비 데이터 습득 시스템(HEDAS)의 설계 및 구현)

  • Kim, Gyoung-Bae
    • Journal of the Korea Society of Computer and Information
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    • v.17 no.2
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    • pp.167-176
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    • 2012
  • In this paper we design and implement a new Hybrid Equipment Data Acquisition System (HEDAS) for data collection of semiconductor and optoelectronic manufacturing equipments in the equipment engineering system(EES) framework. The amount of the data collected from equipments have increased rapidly in equipment engineering system. The proposed HEDAS efficiently handles a large amount of real-time equipment data generated from EES framework. It also can support the real-time ESS applications as well as non real-time ESS applications. For the real-time EES applications, it performs high-speed real-time processing that uses continuous query and filtering techniques based on memory buffers. The HEDAS can optionally store non real-time equipment data using a HEDAS-based database or a traditional DBMS-based database. In particular, The proposed HEDAS offers the compression indexing based on the timestamp of data and query processing technique saving the cost of disks storage against extremely increasing equipment data. The HEDAS is efficient system to collect huge real-time and non real-time equipment data and transmit the collected equipment data to several EES applications in EES framework.

Data Acquisition System Design of I&C System in Nuclear Power Plant (원자력 발전소 계측제어시스템의 정보취득장치 설계)

  • 조정환;이동희
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.17 no.2
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    • pp.102-108
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    • 2003
  • This paper presents a new Data acquisition system that can improve a accuracy and response characteristics by designing a SDAS(Signal Datat Acquisition System). I&C(Instrumentation and Control) system, which it applied for Nuclear Power Plant, affects for safety either directly or indirectly. It should be assessed by the equipment qualification procedure to confirm the functionality during design life before it apply on the nuclear power plant depending on safety classification. This paper proposes data acquisition system that required as an essential measurement equipment in the method and procedure of equipment qualification following of standards and codes of IEEE and Nuclear Regulatory Guide. It provides comparable and experimental studies have been carried out. The presented results from the above investigation show considerably improved accuracy performance in the data acquisition system. This circuit will be able to be used in high performance I&C system.

Design of Information Acquisition System for Equipments on Shop Floor (생산현장의 유연성 및 다양성을 지원하기 위한 설비정보 수집 시스템의 설계)

  • Lee, Jai-Kyung;Lee, Seung-Woo;Nam, So-Jeong;Park, Jong-Kweon
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.35 no.1
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    • pp.39-45
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    • 2011
  • The processes for manufacturing a product differ depending on the characteristics of the product, and the information used or generated by the processes also varies. To implement a flexible and configurable Manufacturing Execution System (MES), a Data Acquisition System (DAS) that takes into consideration the characteristics of the manufacturing system is required. In this study, we design an information acquisition system that can process the information on equipments of a shop floor in real-time and that is adaptive to the changes in the shop floor. The system has a data parser module for flexible processing of the equipment status, a data mapper module to link the equipment status with a manufacturing process, and an SOA-based data integration module to transmit the processed information to other information systems such as MES and ERP. From the results of pilot study, its maintenance is easy even if new equipment or new manufacturing processes are adopted or if the equipments are rearranged.

Application of Data Acquisition System for MES (MES 구현을 위한 현장정보 수집시스템의 적용 예)

  • Lee, Seung-Woo;Lee, Jai-Kyung;Nam, So-Jung;Park, Jong-Kweon
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.35 no.9
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    • pp.1063-1070
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    • 2011
  • The manufacturing execution system (MES) for product production handles different production processes according to the product characteristics and different types of data according to the process being considered. For efficiently providing the data pertaining to production equipment to production systems such as the MES, data collection through the equipment interface is required for obtaining the production data pertaining to field equipment. In this paper, a method is proposed for collecting the production data through the equipment interface in order to collect the various types of production-equipment data from the field. The proposed method is applied to a real manufacturing system to verify its efficiency. A more powerful MES can be constructed with a data acquisition system that acquires the status data at the shop-floor level.

A Study of Development of a Remote Monitoring Data Acquisition System using TCP/IP Protocol (TCP/IP Protocol을 이용한 원격 감시용 계측 시스템 개발에 관한 연구)

  • 문경록;이주열;김재문
    • Proceedings of the IEEK Conference
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    • 2002.06e
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    • pp.173-176
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    • 2002
  • DAS(Data Acquisition System) as a ground support equipment has played a critical role in proving the status of ready-to-fire of a rocket system before launch. But it is hard to implement and place a real-time measuring system in a control room at a long distance from the vehicle. In this paper DAS is introduced by being located at the LEC(Launch Equipment Container)[1], 50 meters away from the rocket and connected to remote monitoring system via fiber optics with TCP/IP protocol by means of client/server algorithm. Therefore real-time data acquisition and storage are guaranteed and a convenient and useful MMI (Man-Machine Interface) can be developed.

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Data Acquisition Method for Marine Geophysical Survey (해양물리탐사 자료취득 기법)

  • Han, Hyun-Chul;Park, Chan-Hong
    • Economic and Environmental Geology
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    • v.39 no.4 s.179
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    • pp.417-426
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    • 2006
  • Data acquisition is as important as data processing and interpretation in the field of marine geophysical exploration. Marine geophysicist, however, may not have enough information in this field because data acquisition method has been mainly developed by the commercial companies manufacturing the equipment. Therefore, the purpose of this paper is to introduce the general data acquisition method and information to help to construct the systematic and effective survey plan. When a survey plan is set up, the most important thing is to select the seismic equipment based on required penetration depth and resolution, and then construct the survey line intervals. Although a line interval varies from the research purposes, it should be narrower than the expected subsurface structures. Also, if 100% coverage of multibeam data is required, line intervals need to be adjusted based on the equipment characteristics. In case of merging with the preexisting dataset like bathymetry, gravity and magnetic, cross-over errors occurred at the each cross point should be removed to avoid any kinds of misinterpretation.