• Title/Summary/Keyword: Integrated model

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Development of integrated scheduling system for virtual manufacturing system

  • Roh, Kyoungyun;Noh, Sangdo;Lee, Kyoil
    • 제어로봇시스템학회:학술대회논문집
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    • 1996.10a
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    • pp.354-357
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    • 1996
  • Virtual Manufacturing System(VMS) is an integrated computer based model which has physical, logical schema and behavior of real manufacturing system. In this paper, an integrated scheduling system is developed to simulate and control a Virtual Factory. A workflow model is constructed to define and analyze the structure of a VMS. On-line dynamic dispatching system is developed using MultiPass algorithm and scheduling system considering dynamic CAPP is carried out. Integrated scheduling system developed in this paper reduces the discrepancies between virtual model and real manufacturing system, and control of real shop floor is possible.

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Integrated Music Activity Model Based on Musical Concepts for 2-Year-Old Children (만2세아의 음 개념 중심 통합적 음악활동 모형)

  • Kim, Ok-Ju;Kim, Young-Youn
    • Korean Journal of Child Studies
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    • v.30 no.2
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    • pp.179-194
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    • 2009
  • The purpose of this study was to develop an integrated music activity model based on musical concepts for 2-year-old children in order to include music in whole personality education in a rapidly changing society with increasing need for toddler care. Research methods were review of literature and survey. Subjects were 185 teachers in B city. They were asked to record their thoughts and needs during the process of musical activities with toddlers. Research concluded that an integrated music activity model for toddlers requires statement of purpose, contents based on musical concepts, and appropriate teaching methods which can be extended to arts education in general. Discussion further suggested diverse expression through singing, listening, body movement and combining with other arts.

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Integrated Supply Chain Optimization Models (통합 공급사슬 최적화 모델에 관한 연구)

  • Choi, Gyung-Hyun;Lee, Hyun-Ji;Kwak, Ho-Mahn
    • IE interfaces
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    • v.13 no.3
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    • pp.320-327
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    • 2000
  • In this research report, we consider multi stage supply chain optimization modeling techniques, and propose a new integrated model. The stages that are normally associated with a supply chain include procurement, production and distribution. In general, there are two distinct set of approaches which manage whole supply chain. One approach is the plant decision and subsequently distribution and inventory decision while the second approach is to address all decisions simultaneously through the integrated model. First, we present a survey of existing models that are treated by independently. And then, we propose an integrated model that is in a moderate size and easy to implement in practice. Finally, we address possible solution methodologies and present some computational test results using CPLEX to see the computational burden from which new algorithmic insight might be come up.

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Interdependencies Among Design Information in an Integrated Design Model (통합설계 모델에서의 설계 정보간의 상호 의존성)

  • 이창호;리차드쏘스;이리형
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 1997.10a
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    • pp.189-196
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    • 1997
  • The development of computer integrated systems for structural design requires models to describe and organize information and activities involved in design. An entity-based integrated design model involves a number of product and process entities. Product entities and process entities describe design information and design activities, respectively. One type of relationships among entities is interaction relationships, which describe interdependencies among design information. The interaction relationships can be represented as constraints. Types of constraints include demand constraints, dependency constraints, and interaction constraints. The concepts of representing and processing demand constraints in an entity-based integrated design model are presented.

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Parameter Optimization of Long and Short Term Runoff Models Using Genetic Algorithm (유전자 알고리즘을 이용한 장·단기 유출모형의 매개변수 최적화)

  • Kim, Sun-Joo;Jee, Yong-Geun;Kim, Phil-Shik
    • Journal of The Korean Society of Agricultural Engineers
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    • v.46 no.5
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    • pp.41-52
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    • 2004
  • In this study, parameters of long and short term runoff model were optimized using genetic algorithm as a basic research for integrated water management in a watershed. In case of Korea where drought and flood occurr frequently, the integrated water management is necessary to minimize possible damage of drought and flood. Modified TANK model was optimized as a long term runoff model and storage-function model was optimized as a short term runoff model. Besides distinguished parameters were applied to modified TANK model for supplementing defect that the model estimates less runoff in the storm period. As a result of application, simulated long and short term runoff results showed 7% and 5% improvement compared with before optimized on the average. In case of modified TANK model using distinguished parameters, the simulated runoff after optimized showed more interrelationship than before optimized. Therefore, modified TANK model can be applied for the long term water balance as an integrated water management in a watershed. In case of storage-function model, simulated runoff in the storm period showed high interrelationship with observed one. These optimized models can be applied for the runoff analysis of watershed.

Integrated Model of Cost Management for Human Resources Development Institutes (직업능력개발기관의 원가관리를 위한 통합모형)

  • Ghang, Bong-Jun
    • The Journal of Korean Institute for Practical Engineering Education
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    • v.2 no.1
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    • pp.106-114
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    • 2010
  • HRDI(Human Resources Development Institute) has not performed the efficient costing model because of it's variety types of institutes, courses and vocational education and training techniques. This study proposed the integrated costing model using job costing, activity based costing and standard costing methods to meet needs of HRDI. And the model will be used in two-phased approach including adoptable model and ideal model. The integrated model includes costing techniques, cost elements, indirect cost allocation bases and cost analysis methods using a contribution margin model to calculate and analyse cost information in HRDI. The proposed integrated costing model of HRDI has some limitation of no relationship with the performance management. But this model will prepare valuable information by using detailed data and costing techniques. And then this model will be developed as a advanced costing model using standard costing to relate with the performance model.

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A Study of Rapid Prototyping Based on GOMS Model (GOMS 모델을 기반으로 한 Rapid Prototyping에 관한 연구)

  • Cha, Yeon-Joo;Jo, Sung-Sik;Myung, Ro-Hae
    • IE interfaces
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    • v.24 no.1
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    • pp.1-7
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    • 2011
  • The purpose of this research was to develop an integrated interface for the usability test of systems or products in the design process. It is capable of automatically creating GOMS models which can predict human task performances. It can generate GOMS models to be interacted with the prototype interfaces. It can also effectively manage various design information and various usability test results to be implemented into the new product and/or system design. Thus we can perform usability test for products or system prototypes more effectively and also reduce time and effort required for this test. For usability tests, we established an integrated interface based on GOMS model by the LabVIEW program. We constructed the system that the linkage to GOMS model is available. Using this integrated interface, the menu structure of mobile phone can be constructed easily. User can design a depth and a breath that he want. The size of button and the label of the button is changable. The path to the goal can be defined by the user. Using a designed menu structure, the experiment could be performed. The results of GOMS model and the actual time are presented. Besides, values of operators of GOMS model can be defined as the value that user wants. Using the integrated interface that we developed, the optimal menu structure deducted. The menu structure that user wants can be established easily. The optimal layout and button size can be decided by comparison of numerous menu structures. User can choose the method of usability test among GOMS model and empirical data. Using this integrated interface, the time and costs can be saved and the optimal menu structure can be found easily.

The Experimental Analysis of Integrated (Name/Property) Dynamic Binding Service Model for Wide-Area Objects Computing (광역 객체 컴퓨팅에서 통합(이름/속성) 기반의 동적 바인딩 서비스 모델의 실험분석)

  • Jeong, Chang-Won;Joo, Su-Chong
    • Journal of KIISE:Computer Systems and Theory
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    • v.33 no.10
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    • pp.746-758
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    • 2006
  • Many objects existing on wide area environments have the replication characteristics according to how to categorize using their own names or properties. From the clients' requests, the existing naming and trading services have not supported with the binding service for replicated solver object with the same service type. For this reason, we present an integrated model that can support the selection of replicated object and dynamic binding services on wide-area computing environments. This model suggests provides not only location management of replicated objects but also active binding service which enables to select a least-loaded object on the system to keep the balance of load between systems. In this purpose, constructing both the service plan and model for support solver object's binding with replication property on wide area computing environments has been researched. In this paper, we showed the test environment and analyzed the performance evaluation of client/server binding procedures via integrated binding service in federation model and verified our model under the condition to see whether load balance can be applied to our model. For the performance evaluation of suggested wide area integrated binding service federation model, evaluated the integrated binding service of each domain and analyzed the performance evaluation of process for non-replication object's under federation model environment. Also, we analyzed the performance evaluation of the federation model between domains for wide area environment. From the execution results, we showed the federation model provides lowers search-cost on the physical tree structure of network.

Some model misspecification problems for time series: A Monte Carlo investigation

  • Dong-Bin Jeong
    • Communications for Statistical Applications and Methods
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    • v.5 no.1
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    • pp.55-67
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    • 1998
  • Recent work by Shin and Sarkar (1996) examines model misspecification problems for nonstationary time series. Shin and Sarkar introduce a general regression model with integrated errors and one system of integrated regressors and discuss the limiting distributions of the OLS estimators and the usual OLS statistics such as $\hat{\sigma^2}$t, DW and $R^2$. We analyze three different model misspecification problems through a Monte Carlo study and investigate each model misspecification problem. Our Monte Carlo experiments show that DW and $R^2$ can be in general used as diagnostic tools to detect spurious regression, misspecification of nonstationary autoregressive and polynomial regression models.

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A Development and Implementation of an Integrated Curriculum for Gifted Students Based on ICM (Integrated Curriculum Model) (ICM(Integrated Curriculum Model) 기반의 영재통합교육과정 개발과 실행)

  • Roh, Il Soon;Kim, Min Kyeong
    • Journal of Gifted/Talented Education
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    • v.26 no.3
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    • pp.515-539
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    • 2016
  • The purpose of this study is to develop the integrated curriculum for gifted elementary students based on ICM (Integrated Curriculum Model) and to apply it for analysis of the relationship between creativity and creative problem solving skills. An integrated curriculum for gifted students attending a university-affiliated institute was developed and applied to twenty mathematically gifted 5th and 6th grade students. TTCT language test and CAT test for students' products from activities were conducted. In addition, tape-recorded group discussions and activities during instruction, and interview with students and teacher, activity sheets were analyzed. As results, their language abilities shown TTCT test have been improved. Furthermore, the correlation between the test results of automata and language creativity, the average of two projects and language creativity, and future problem solving and the average of TTCT showed significant correlations. Results showed the gifted students' understanding of high level concepts and cooperation among groups were needed in order to improve creative problem solving. It suggested a further study research the integrated curriculum applying creativity and giftedness to real-life problem situations for gifted students to make them grow into essential competent persons in the future.