• Title/Summary/Keyword: Distribution management system

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The Distribution Intensity for the Casual Wear Before and After IMF Management System (IMF사태 전후 캐주얼 의류 유통 집약도)

  • 정현주
    • Journal of the Korean Society of Clothing and Textiles
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    • v.24 no.7
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    • pp.1056-1064
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    • 2000
  • The aim of this paper was to look at distribution intensity of casual wear brand before and after IMF Management System. It also provides the guide to distribution design and reinforces the strategy of the brand of it. Since the firm especially in casual wear industry recently has had difficulty in how to decide and to select the distribution numbers in the domestic market. Based on the data in‘98 Korea Fashion Guide’and ‘Korean Fashion Brand Annual’, 78 brands had been analyzed with percentage, multiple regression. The results were as follows: In general, the lower the price of the product is and the higher the total sale is, the more intensive the distribution of the casual wear brand is before and after IMF Management System. The longer the launching period is, the more intensive the distribution of the casual wear industry is after IMF Management System. Besides, there is difference between the brand origins in the distribution intensity. In addition, two brand types were classified and tested. The distribution intensity of jean casual wear and uni-sex casual wear have related to the price after IMF and the total sale before and after IMF Management System while there is no relationship with the launching period before and after IMF Management System. The distribution intensity of the domestic brand have related to the price, and the total sale, while the foreign brand has a relationship with the total sale before and after IMF Management System. The foreign brand has related only to launching period after IMF Management System.

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A Design of Advanced Distribution Management System Based on IT/OT Convergence (IT/OT Convergence 기반의 Advanced Distribution Management System의 설계)

  • Lim, Il-Hyung;Lee, Seung-Joo;Park, Jong-Ho;Shin, Yong-Hak
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.65 no.5
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    • pp.753-759
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    • 2016
  • Power automation system to operate power distribution systems can be distinguished by distribution SCADA with remote monitoring and control; and distribution automation system with basic functions such as service restoration to the distribution SCADA; and distribution management system which is operated by various applications in order to enhance distribution system operation performance based on the distribution automation system. In the technological change, a technical boundary of information technology (IT) and operation technology (OT) is being blurred by that new concepts such as interoperability. In addtion, IT/OT convergence has been proposed by the improvement of ICT and power system technology. At the viewpoint, advanced distribution management system (ADMS) to have the new concepts and to increase distribution system operation efficiency through global information and functions from the other systems has been proposed. In order to implement the ADMS, IT and OT have to be employed together on the ADMS; and the concept-based IT/OT convergence concept has been presented. Therefore, this paper introduces ADMS and IT/OT convergence and proposes a design of IT/OT convergence based ADMS system design with configurations and functions.

Design and Verification of Advanced Distribution Management System using Information and Communication Convergence Technology (ICT융복합 기술을 이용한 차세대 배전계통 운영 시스템 설계 및 검증)

  • Kim, Dongwook;Park, Youngbae;Chu, Cheolmin;Jo, Sungho;Seo, Inyong
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.15 no.4
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    • pp.19-29
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    • 2019
  • Recently, with the rise of environmental issues and the change of government policy (Renewable Energy 3020 Implementation Plan), a large amount of renewable energy such as solar and wind power is connected to the power system, and most of the renewable energy is concentrated in the power distribution network. This causes many problems with the voltage management and the protection coordination of the grid due to the its intermittent power generation. In order to effectively operate the distribution network, it is necessary to deploy more intelligent terminal devices in the field to measure the status of the distribution network and develop various operation functions such as visualization and big data analysis to support the power distribution system operators. In addition, the failover technology must be supported for the non-stop operation of the power distribution system. This paper proposes the system architecture of new power distribution management system to cope with high penetration of renewable energy. To verify the proposed system architecture, the functional unit test and performance measurement were performed.

A study on the computer application for efficient management of the power distribution system (효율적인 배전관리를 위한 컴퓨터 응용연구)

  • 이병철;서영노;정진현;고윤석;김호용
    • 제어로봇시스템학회:학술대회논문집
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    • 1993.10a
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    • pp.975-980
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    • 1993
  • In accordance with increase, if electronic power demanded, more efficient supervisory control of distribution system will be required. This study contains development of MMI(man-machine-interface) system with GUI(graphic-user-interface), for the automatic power distribution system. The main function of MMI system is to edit network of power distribution and to management of data base for network. The GUI function of MMI system enables more efficient management of power distribution system.

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IEC 61968/61970 based Distribution Management System Suggestion (IEC 61968과 61970 기반의 배전운영 시스템 제안)

  • Kim, Taw-Wan;Lim, Il-Hyung;Choi, Myeon-Song;Lee, Seung-Jae;Kwon, Sung-Chul
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.60 no.2
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    • pp.231-238
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    • 2011
  • A role of Distribution Automation System(DAS) is required to be changed from observing and control to complex and various new system including functions which monitoring, control, prediction, operation and management of EMS type according to be gradually Smart Grid of distribution operation system for development of further power system industrial. IEC(International Electrotechnical Commission) published communication standards which interface and data model of distribution operation system to IEC 61968 and of host system like EMS(Energy Management System) to IEC 61970. So far, each standards are emphasizing themselves, but if they are applied by designed integration of the standards, it could be more efficiency system. So, in this paper, integration application of IEC standards and structure of further distribution operation system to use them are proposed by gradually increasing importance of communication protocols, functions and roles in further distribution management system considering Smart Grid.

Geographic Information System for Developing Advanced Distribution Management System (차세대 배전지능화시스템 개발을 위한 지리정보시스템 적용)

  • Kim, DongWook;Cho, SungHo;Seo, Hojin;Park, YoungBae
    • KEPCO Journal on Electric Power and Energy
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    • v.5 no.2
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    • pp.67-74
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    • 2019
  • Recently, as the renewable distributed energy resources has increased, the variability within the electrical power distribution system has increased, so that there is a growing concern about the stable electrical power distribution system. For efficient management of future electrical power distribution system, it is necessary to improve the electrical power distribution system operation using new visualization technology. In this paper, we describe the current status of GIS introduction and related technology trends in the field of electrical power distribution, and analyze the necessity of GIS system for electrical power distribution system operation and problems to be solved when introducing GIS technology.

Application Management System with ZeroMQ and Alarms in Distribution Management System (배전운영 시스템에서의 ZeroMQ와 알람 정보를 이용한 운영기능 관리 시스템)

  • Kim, Pil-Seok;Kang, Ho-Young;Lim, Il-Hyung;Park, Jong-Ho;Shin, Yong-Hak
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.64 no.8
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    • pp.1161-1167
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    • 2015
  • Distribution Management System(DMS) ienhancing distribution automation system-based operation efficiency is an optimized system by various operational applications in a distribution network. DMS employs various applications like topology reconfiguration, volt/var control, and restoration at events such as overload, voltage violation, and a fault in a distribution system. An operation efficiency to employ multi-applications as restoration with short-term load forecasting is higher than a performance by a single application; and the applications are accomplished by an operator’s control. Applications’ combination is determined by various alarm information which means critical issues in order to operate a distribution system. Thus, this paper proposes an application management system which can configure application combination, control applications depending on alarm information and check their performance condition. The proposed application management system can be customized by operator easily and have high operation efficiency and reliability because it is worked by reviewed alarm information from operator.

Software Functional Requirements and Architectures of Microgrid Energy Management System

  • Sohn, Jin-Man;Yun, Sang-Yun
    • KEPCO Journal on Electric Power and Energy
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    • v.2 no.2
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    • pp.269-272
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    • 2016
  • Distribution management system or microgrid energy management system plays an important role in monitoring, operation and control of electrical distribution systems by utilizing IT infrastructure. Nowadays, the rapid increase of the distributed resources makes the conventional management system have some additional functionality for the reliable operation due to intermittent renewables and the efficient operation on the economical purpose. In this paper, the brief standard software functional requirements of microgrid energy management system are provided through survey of the recent commercial products of the major vendors, and furthermore the architectures of microgrid energy management system are provided in comparison with major suppliers' microgrid energy management system. The summary of investigation will be able to make the developers and researchers focus on the specific functionality in the real world.

Development of Genetic Algorithm for Production and Distribution Management in Multiple Supplier Network Environment of Robot Engineering Industry (로봇 산업의 다중 공급망 환경을 고려한 생산 및 분배 관리를 위한 유전 알고리듬 개발)

  • Jo, Sung-Min;Kim, Tai-Young;Hwang, Seung-June
    • Journal of Information Technology Applications and Management
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    • v.20 no.2
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    • pp.147-160
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    • 2013
  • Today, the management environments of intelligence firm are changing the way of production planning and logistics management, and are changing the process of supply chain management system. This paper shows the development of information system software for intelligence enterprises is used in supply chain management for robot engineering industry. Specifically, supply chain management system in this paper has been developed to analyze the impact of multi plant and multi distribution environment, showing the process analysis and system development of hierarchical assembly manufacturing industry. In this paper we consider a production planning and distribution management system of intelligence firm in the supply chain. We focus on a capacitated production resource and distribution volume allocation problem, develop a mixed integer programming model, and propose an efficient heuristic procedure using a genetic algorithm to solve it efficiently. This method makes it possible for the population to reach the feasible approximate solution easily. The proposed regeneration procedures, which evaluate each infeasible chromosome, makes the solution converge to the feasible approximate solution quickly.

Status of ICT Convergence Smart Quality Distribution Technology for Food Quality and Safety Management

  • Kim, Jong Hoon;Kim, Ji Young;Kim, Byeong Sam
    • Agribusiness and Information Management
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    • v.6 no.2
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    • pp.13-23
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    • 2014
  • The world is in the process of a structural change related to ICT convergence knowledge industries. ICT is leading to the creation of new products and services, and is making our lives more convenient, safer, and more efficient. In advanced countries, many studies have been conducted with the goal of developing new business models converged with ICT, and this is also the case in the food industry. Korea possesses world-leading ICT, and if this ICT is applied to the food industry, a world-class new business model can be developed. The u-Food System, which is in the process of development in Korea, is a next-generation food system that can allow food providers, consumers, and distributors to access various types of information about food products, including traceability, distribution, safety, quality, and freshness, and manage this information. It is a future food system that converges ICT, biotechnology and sensing technology with food. Based on the u-Food System, this paper will introduce the status of current smart quality distribution technologies that converge ICT (such as sensor tag, sensor network, LBS, GIS, and CDMA) with food technologies (such as traceability, quality, distribution management) to manage the safety and quality of fresh food in the distribution process.