• 제목/요약/키워드: automated technology

검색결과 1,530건 처리시간 0.036초

A Study on Class-based Turnover Assignment in Automated Storage/Retrieval Systems with Continuous Rectangular Rack Face in Time

  • Hwang, Hark;Koh, Sie-Gheun;Jang, Gil-Sang
    • 대한산업공학회지
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    • 제14권1호
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    • pp.31-42
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    • 1988
  • This paper studies class-based turnover assignment rule in terms of the expected travel time in automated storage/retrieval systems (AS/RS). With the rack face not necessarily in square in time, travel time models of two and three-class systems are developed, from which class partition values are determined for single command cycle. Also, the effects of the system parameters such as the rack shape factor and the skewness of the ABC curve are evaluated on the travel time through example problems.

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Automated Classification of PubMed Texts for Disambiguated Annotation Using Text and Data Mining

  • Choi, Yun-Jeong;Park, Seung-Soo
    • 한국생물정보학회:학술대회논문집
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    • 한국생물정보시스템생물학회 2005년도 BIOINFO 2005
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    • pp.101-106
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    • 2005
  • Recently, as the size of genetic knowledge grows faster, automated analysis and systemization into high-throughput database has become hot issue. One essential task is to recognize and identify genomic entities and discover their relations. However, ambiguity of name entities is a serious problem because of their multiplicity of meanings and types. So far, many effective techniques have been proposed to analyze documents. Yet, accuracy is high when the data fits the model well. The purpose of this paper is to design and implement a document classification system for identifying entity problems using text/data mining combination, supplemented by rich data mining algorithms to enhance its performance. we propose RTP ost system of different style from any traditional method, which takes fault tolerant system approach and data mining strategy. This feedback cycle can enhance the performance of the text mining in terms of accuracy. We experimented our system for classifying RB-related documents on PubMed abstracts to verify the feasibility.

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Application of KITSAT-3 Images: Automated Generation of Fuzzy Rules and Membership Functions for Land-cover Classification of KITSAT-3 Images

  • Park, Won-Kyu;Choi, Soon-Dal
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 1999년도 Proceedings of International Symposium on Remote Sensing
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    • pp.48-53
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    • 1999
  • The paper presents an automated method for generating fuzzy rules and fuzzy membership functions for pattern classification from training sets of examples and an application to the land-cover classification. Initially, fuzzy subspaces are created from the partitions formed by the minimum and maximum of individual feature values of each class. The initial membership functions are determined according to the generated fuzzy partitions. The fuzzy subspaces are further iteratively partitioned if the user-specified classification performance has not been archived on the training set. Our classifier was trained and tested on patterns consisting of the DN of each band, (XS1, XS2, XS3), extracted from KITSAT-3 multispectral scene. The result represents that our classification method has higher generalization power.

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CAN을 이용한 자동 버섯재배 시스템 (Automatic mushroom cultivation system using CAN)

  • 김영수;김영동;전형석;신석두;오금곤
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 2004년도 전력전자학술대회 논문집(1)
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    • pp.172-176
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    • 2004
  • In this paper, We are inclined to design automated mushroom-cultivation system technology grafting communication technology as CAN(Control Area Network). Mushroom cultivation automated system have a goal to construct stable crop cultivation system ,as we construct embedded-system that can make into one to advance current system. Its sensor part is composed of temperature , humidity and CO2 concentration sensor and of chilling, heating and unit humidity-controlling unit, ventilation fan. In particular, having saved analized temperature, humidity, CO2 concentration data in each sensor, CAN which can control realtime communication is used to analyze the next mushroom-cultivation.

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체외형 자동 제세동기(AED)와 심전도계(ECG)를 위한 통신 프로토콜의 설계 및 사용자 인터페이스 구현 (Communication Protocol Design and U/I Implementation for Automated External Defibrillator and ECG System)

  • 김남훈;권희중;권호열;나학록
    • 산업기술연구
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    • 제24권A호
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    • pp.133-138
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    • 2004
  • In this paper, we studied Automated External Defibrillator and Electro- Cardiogram System. Proposed System, CU-EX1, is a PC-based AED/ECG system that manages the data acquired by Paramedic CU-ER1. The system controls the transfer of data from the Paramedic CU-ER1 and the storage of the data in a local host computer. Patient data could be entered as soon as the rescue data is stored in a local computer. The system also displays the data on a local computer and facilitates review of rescue events.

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풍황자원 예측시 기상청 풍황자료의 유효성 (Effectiveness of Wind Data from Automated Weather Stations for Wind Resources Prediction)

  • 황윤석;이원선;백인수;유능수
    • 산업기술연구
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    • 제29권B호
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    • pp.181-186
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    • 2009
  • The wind data measured from automated weather stations (AWS) at complex terrains in Korea was used to predict the wind velocity at nearby sites that are several kilometers away. The ten-minute averaged wind data was measured at a height of 10 meters. A commercial CFD code, WindSIM, based on the weighted averaged Navier-Stokes equation was employed. The results were compared with the data measured using meteorological masts (MM) at a height of 40 meters. The predictions using the AWS data and WindSIM showed good agreements with the measured data.

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Fault tolerant supervisory control system and automated failure diagnosis

  • Cho, K.H.;Lim, J.T.
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1995년도 Proceedings of the Korea Automation Control Conference, 10th (KACC); Seoul, Korea; 23-25 Oct. 1995
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    • pp.35-38
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    • 1995
  • We proposed in this paper a systematic way for analyzing discrete event dynamic systems to classify faults and failures quantitatively and to find tolerable fault event sequences embedded in the system. An automated failure diagnosis scheme with respect to the nominal normal operating event sequences and the supervisory control problem for tolerable fault event sequences is presented. Moreover the supervisor failure diagnosis problem with respect to the tolerable fault event sequences is considered. Finally, a plasma etching system example is presented.

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판재 변형률 자동측정시스템의 발전 (Recent Development of Automated Strain Measurement System for Sheet Metal Parts)

  • 김형종
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2000년도 춘계학술대회논문집
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    • pp.129-133
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    • 2000
  • It is reasonable to use the stereo vision and image processing technique to digitize 3D coordinates of grid points and to evaluate surface strains on a sheet metal parts. However this method has its intrinsic problems such as the difficulty in enhancement of bad images inevitable error due to digital image resolution of camera and frame grabber unreliability of strains and thickness evaluated from coarse grid on the corner area with large curvature and the limitation of the area that can be measured at a time. Therefore it is still hard to measure strain distribution over the entire surface of a medium,- or large-sized stamped part at a time even by using an automated strain measurement system. In this study the curvature correction algorithm based on the grid refinement and the geometry assembling algorithm based on the global error minimization (GEM) scheme are suggested. Several applications are presented to show the reliability and efficiency of these algorithms.

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POSCO 광양 4냉연공장의 ROLL SHOP 자동화 운영기술 (Roll Shop Automation of Newly Completed No.4 CRM of Kwangyang Works, POSCO)

  • 이훈휘;최병조;조뇌하;김익준;조병용
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 1999년도 제3회 압연심포지엄 논문집 압연기술의 미래개척 (Exploitation of Future Rolling Technologies)
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    • pp.208-216
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    • 1999
  • Nowadays coustomer's needs for high surface quality steel sheet has greatly increased, so it is necessary to pay more attention to the roll grinding, texturing and handling. POSCO can acquire high surface quality roll and high productivity through World-first fully automated Roll Shop system which had been constructed '94.10.1∼'97.8.28 at Kwangyang Works. Roll Shop Automation System consists of Level-I, II, III control system and 23 automated machines. After the completion of the construction, the system started smoothy and keeps its operation with high productivity as expected. The installation of this system gave an epoch-making man power saving. This paper introduce its main facilities and operation.

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환경변수가 EDI통제와 EDI구현과의 관계에 미치는 영향에 관한 탐색적 연구 (An Explorative Study on the Impact of Environmental Variables on the Relationship between EDI controls and EDI Implementation)

  • 이상재;한인구
    • Asia pacific journal of information systems
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    • 제9권2호
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    • pp.99-115
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    • 1999
  • Electronic Data Interchange (EDI) is an important part of interorganizational electronic commerce due to the strategic impact derived from its use. In order to ensure successful implementation of EDI, EDI controls must first be developed. Because they are implemented in an environmental context, the characteristics of organizational environments have a significant impact on EDI controls. The control strategy for the EDI system - formal, informal, and automated controls - should fit certain organizational environments. A research model has been developed to depict the moderating effects of six environmental variables including industry, organizational, and task characteristics on the relationships between controls and implementation. It is shown empirically that the relationships between EDI controls and implementation are indeed affected by these factors. The results can help management design formal, informal, and automated controls in view of their own environmental contexts.

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