• Title/Summary/Keyword: Product Standardization

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Trend of the National and International Standards for LED Lightings (차세대 LED 조명의 국내외 표준화 동향)

  • Cho, M.R.;Jeon, S.K.;Yang, S.Y.
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2009.05a
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    • pp.141-144
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    • 2009
  • LED Lightings market remains highly fragmented, encompassing many niche applications. Architectural lighting is the largest and many applications are for colored (R, G, B) light. Hundreds of companies worldwide are participating at the luminaire or fixture level. Standard setting is on a fast track. The larger LED lightings market scale, the more important standardization of performance evaluation techniques to clearly prescribe the product specification.

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Sharing CAD Models Based on Feature Ontology of Commands History

  • Seo, Tae-Sul;Lee, Yoon-Sook;Cheon, Sang-Uk;Han, Soon-Hung;Patil, Lalit;Dutta, Debasish
    • International Journal of CAD/CAM
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    • v.5 no.1
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    • pp.39-47
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    • 2005
  • Different CAx systems are being utilized throughout the product lifecycle due to the practical reasons in the supply chain and design processes. One of the major problems facing enterprises of today is how to share and exchange data among heterogeneous applications. Since different software applications use different terminologies, it is difficult to share and exchange the product data with internal and external partners. This paper presents a method to enhance the CAD model interoperability based on feature ontology. The feature ontology has been constructed based on the feature definition of modeling commands of CAD systems. A method for integration of semantic data has been proposed, implemented, and tested with two commercial CAD systems.

A Study on the Usage of STEP data on the Construction CALS/EC Environment - Focusing on linking the Drawing Information and Material Information - (건설 CALS/EC 환경에서의 STEP 데이터 활용방안에 관한 연구 - 도면정보와 자재정보 연계 중심으로 -)

  • 서종철;김인한
    • The Journal of Society for e-Business Studies
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    • v.8 no.1
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    • pp.121-139
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    • 2003
  • Currently, it is not popular to use the STEP based product information in the construction drawing files, in spite of the importance and possibility of using various product data in drawing files on the CALS/EC environment. This paper aims to demonstrate a construction drawing information management system based on ISO 10303/STEP. To achieve this aim, the authors have analyzed the current construction drawing information classification hierarchy widely used for domestic and international, and examined the material data connection mechanism within CAD drawing data, and finally investigated the management systems for construction documentations and drawings in a public companies. Therefore, the expected benefit of the proposed system is that STEP drawing information management will be done standardization and the information of STEP construction drawing can be managed, shared and supported design business through materials data connection.

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Railway industry and Life Cycle Assessment(LCA) (철도산업과 전과정평가(LCA))

  • Jeong In-Tae;Yang Yun-Hee;Lee Kun-Mo;Kim Yong-Gi
    • Proceedings of the KSR Conference
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    • 2005.05a
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    • pp.1028-1032
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    • 2005
  • Life cycle assessment(LCA) has been developed from the concept of life cycle thinking. Life cycle thinking implies that everyone in the whole chain of a product's life cycle, from cradle to grave, has a responsibility and a role to play, taking into account all the relevant external effects. LCA is an analytical tool for identifying environmental loads and assessing the environmental impact in the whole chain of a product's life cycle. In Europe and Japan, LCA and ecodesign study for railway industry have been actively carried out recently. However, LCA for railway industry in domestic is still infant. LCA is standardized in International Organization of Standardization(ISO), base on the ISO 14040 standards, 307 life cycle inventory(LCI) database for infrastructure and base materials have been established in total since 1999. Some of LCI database can use in performing LCA for trains and railway infrastructure, but still not enough to derive accurate LCA result. Therefore, railway oriented LCA methodology and LCI DB are needed to be developed.

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The Development of Virtual Simulator for Agile Manufacturing System (민첩 생산 시스템을 위한 가상 시뮬레이터 개발)

  • 차상민
    • Proceedings of the Korean Society of Machine Tool Engineers Conference
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    • 2000.04a
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    • pp.478-483
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    • 2000
  • In this study to cope with the decreasing product's life-cycle a virtual simulator to realize the simulation environment similar to a real manufacturing line is developed. The developed simulator plays a role in reducing the product conversion time by alternating manufacturing components and work plans on the simulation as manufacturing lines change and actuating a virtual manufacturing lines change and actuating a virtual manufacturing line before a real production. The developed simulator realized a virtual manufacturing line on the simulation using various manipulators and work cells as manufacturing components. Also It can be shown that the simulator can cope with rapid change of a manufacturing line by developing a interface that a separate process is managed for each manufacturing module and a manipulator component and a work cell are changed for a user to become convenient to teach tasks of each work module. using Microsoft Visual C++ 6.0 and OpenGL of Silicon Graphics for libraries to realize 3-dimensional graphic and constructing a database system, a hybrid type of hierachical and relational model to develop a progra that has efficiency and standardization.

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Analytical Survey on the Study of Traditional Fermented Food in Korea (한국(韓國)의 전통발효식품(傳統醱酵食品) 연구동향(硏究動向)에 관한 분석고찰(分析考察))

  • Jo, Jae-Sun
    • Journal of the Korean Society of Food Culture
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    • v.4 no.4
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    • pp.375-382
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    • 1989
  • About 760 papers and patents of the traditional fermented food in Korea were collected which were published during 1917-1988, and then the papers were classified, outlined and reviewed. Study of traditional fermented food was about 10% of total study on Korean Foods, and that of alcoholic beverage was 50%, soy sauce and related product was 30% and kimchi was less than 20% of total study of traditional fermented foods. Though considerable amount of studies were accomplished before the World War II, but a few study was accomplished during the Korean war. The research activity is, hitherto, increasing gradually, but the systematic studies were rarely done. The studies to be investigated were processing quality of raw materials, classification, standardization, sensory quality of the product and so on.

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Factory Automation(FA) in Korea firms and Development Strategy (한국산업의 공장자동화와 발전전략)

  • 이근희;안문영
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.14 no.23
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    • pp.71-100
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    • 1991
  • Investment in FA facilities has been accerelated since 1986, turning point by labor strife in Korea firms. Most commonly adopted automation tech, in their manufacturing process consists of NC. Robotics, PLC, CAD/CAM now on and further confused system oriented FMS, CIM, etcs. undergoing. But for all their remarkable notices in manufacturing systems, The competitive position on product cost, quality, shorten delivery and profit has never been recovered in global swing market. To make some empirical suggestions with a view to competitive strategy of Korea firms by FA, to the conclusion largely FA tech. adoption can be justified only when its application on new product productions and improved the structure of products comparatively. Because of when it was applied in old production process. The effectiveness is very doubtful to the lacks of consistent and integrate manufacturing policy with the strategy of the fim and their poor standardization level in shop floors.

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The Representation Methodology for the Ship Model based on Product Model (제품모델을 기호로 한 선박모델의 표현방법론)

  • W.S. Kang;S.W. Suh;D.W. Shin;K.O. Lee;K.Y. Lee
    • Journal of the Society of Naval Architects of Korea
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    • v.29 no.4
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    • pp.45-57
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    • 1992
  • In this paper, the trends for the standardization of the product model was surveyed, and the product model can be used as concrete means to realize the communication of information between the CAD/CAM softwares, which are used for the design and manufacturing of the complex products such as ships. We have proposed the newly developed methodology for the representation and definition of the ship model on a basis of the product model. And also we have studied the product modeling technology for the aspect of an application, and the object-oriented system technology have been surveyed for the system implementation issues. We would like to verify the consistency and correctness of our proposed representation methodology by using the prototype application model, which is applied to design work of ship compartmentation model. For this purpose we have developed the "OO_COMDEF"(which means the Object-Oriented System for the Compartmentation Definition of ship) program that is applied to the compartmentation model which can be considered as a submodel of the general ship models. The results of research work have been proved that the representation methodology for the ship model based on the product model is an efficient and appropriate scheme for the ship model definitions. Consequently, this methodology can be proposed as a fundamental framework for the development of the shipbuilding CAD/CAM system.

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Analysis of clothing pressure for commercially customized burn patient's medical compression garments for men in their 20s (시판 맞춤형 화상환자 압박복의 의복압 분석 -20대 남성 상의를 대상으로-)

  • Cho, Shin-Hyun
    • Journal of the Korea Fashion and Costume Design Association
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    • v.21 no.4
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    • pp.55-67
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    • 2019
  • This study analyzed the fabric and product size of the burn patient's custom compression garment and measured the pressure applied by the garment to assess whether proper pressure is being delivered for treatment. The test clothes were presented to the market by body size and commissioned with the same design. The subjects selected four people close to the average body size of men in their 20s determined by 7th Size Korea. The experiment was conducted by wearing a compression suit, performing activities and measuring changes in the pressure of the garment according to changes in posture. The fabric used for the compressive clothing was not ruptured even at 216 kPa, the elasticity recovery rate was measured between 80.5 and 94.5%. The product dimensions of the experimental clothing varied by up to 8cm from brand to brand, requiring the standardization of compression clothing. The experiment showed that four types of compression suit varied in pressure, and the pressure range, excluding the gastric arm (17.9mmHg), was between 2.5-14.1mmHg, which failed to meet the level of pressurization for treatment purposes. The clothing pressure in the chest area dropped when performing movements rather than standing still. This was interpreted to be a result of reduced the adhesion of the compression suit during operation. The peak pressure (31.68mmHg) and the lowest pressure (2.2mmHg) was noted in the scapula, indicating that no pressure was being transmitted on the vertebrae. The pressure of the garment on the right shoulder blade was elevated in a supine position. Because much time is spent laying down, it is necessary for the pattern design to accommodate for the increased clothing pressure on the shoulder blades. Standardization of the level of pressurization for burn patient's custom-made pressure suits for each stage of treatment is urgently required.

A Strategy of Information Management System for Construction Company (건설산업의 효율적 정보관리체계 구축전략)

  • Lee Tai Sik;Kim Yong Chan
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.458-461
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    • 2001
  • The whole of industry sectors are getting achieved BPR(Business process Reencountering) which innovate the inefficient product organization through examined the value chain. Besides, they try to integrate ERP, CRM, and SCM which is based on value chain. Construction Industry, however, not only is not regularized it but is not inadequacy about information mind. Nowadays Korean government lead the construction CALS, only some large company Innovate and restructure the organization and product structure. It Is necessary to efficient manage the project information and historical data and develop CIC/PMIS to transfer from the function based information-flow to the project based information-flow. The purpose of the Information management system's success In Korea, therefore, this paper analyzes the information-intensive problems and proves the device to achieve the Information Management System through the Standardization, Synchronization, Centralization for Construction Company.

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