• Title/Summary/Keyword: IDEF0 model

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Collaborative Process to Facilitate BIM-based Clash Detection Tasks for Enhancing Constructability

  • Seo, Jung-Ho;Lee, Baek-Rae;Kim, Ju-Hyung;Kim, Jae-Jun
    • Journal of the Korea Institute of Building Construction
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    • v.12 no.3
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    • pp.299-314
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    • 2012
  • One of reasons for introducing Building Information Modeling (BIM) is to support clash detection tasks by means of a 3D product model. In the conventional construction project process, clashes have been found during construction phase. However, it can cause cost overrun and time delay. In order to investigate and correct clash detections at design phase, relevant business process and guide for this task should be provided. This study aims to identify hindrances in clash detection tasks at the design phase and analyze its current process using IDEF0 model. Despite the convenience of IDEF0 as a systems analysis tool, professional participants might have difficulties to understand their own tasks according to business process. For this reason, in this research, Business Process Model and Notation (BPMN) is introduced to provide ideal process and required decision making governance. The provide BPMN model will provide insights for a BIM-based collaborative environment to enhance the constructability through the construction project.

Multi-factors Bidding method for Job Dispatching in Hybrid Shop Floor Control System

  • Lee, Seok--Hee;Park, Kyung-Hyun;Bae, Chang-Hyun
    • International Journal of Precision Engineering and Manufacturing
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    • v.1 no.2
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    • pp.124-131
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    • 2000
  • A shop floor can be considered as and importand level to develop a Computer Integrated Manufacturing system (CIMs). The shop foor is a dynamic environment where unexpected events contrinuously occur, and impose changes to planned activities. The shop floor should adopt an appropriate control system that is responsible for scheduling coordination and moving the manufacturing material and information flow. In this paper, the architecture of the hybrid control model identifies three levels; i.e., the shop floor controller (SFC), the cell controller(CC) and the equipment controller (EC). The methodology for developing these controller is employ an object-oriented approach for static models and IDEF0 for function models for dispatching a job. SFC and CC are coordinated by employing a multi-factors bidding and an adapted Analytic Hierarchy Process(AHP) prove applicability of the suggested method. Test experiment has been conducted by with the shopfloor, consisting of six manufacturing cells.

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Developing an Assortment Planning Process Model for Clothing Retail Buyers: An Exploratory Research

  • Kang, Keang-Young;Kincade, Doris H.
    • Fashion & Textile Research Journal
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    • v.6 no.6
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    • pp.815-824
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    • 2004
  • In academic and/or practitioner literature, the assortment planning for fashion sensitive products is rarely systematically studied, and organized in an objective format. The purpose of this study was to develop a suggested assortment planning model for women's clothing retail buyers by integrating a conceptual assortment planning model and a practical-use assortment planning model, which are also developed in this study. In developing the conceptual model, this research categorized and organized the pieces of assortment planning activities illustrated in available literature. In developing the practical-use model, ten women's dress buyers from department stores and specialty stores were interviewed. The contents of the interview dictation were classified and summarized by concepts and variables. The summary was validated by the interviewees and recontextualized for the practical-use model. Five experts compared the conceptual and practical-use models, adjusted the discrepancies, and integrated into the suggested model. In addition, a questionnaire asking review of all functional activities of the suggested model was sent to interviewees to ascertain its validity. As the result, assortment planning process was determined at abstract level as the following: (a) recognize problem, (b) search for information, (c) evaluate qualitative value of product, (d) evaluate quantitative value of product, (e) plan product selection, and (f) plan sales.

INTEGRATION MODEL OF COST AND SCHEDULE IN STEEL BOX GIRDER BRIDGE PRODUCTION PROCESS

  • Seok Kim;Kyoungmin Kim;Seung-Ho Ha ;Kyong Ju Kim
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.1262-1267
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    • 2005
  • It is still difficult to share and utilize the information generated at each phase of a steel box girder production process due to the spatial gap and different level of management information. The physical distance results in the inefficiency of the information transmission, the accidental omission and typos of the relative information, and so on. Various levels of management information make it difficult to embody a new management system. Eventually, these factors incur the loss of cost and schedule and interrupt development of a new management system. This paper analyzes a current process and presents graphical process flow by using IDEF0. Based this analysis, the research for new production process and work breakdown structure (WBS) is conducted. At the end of this paper, the conceptual design of this system is suggested. Through new management system, it is expected that the model proposed in this study will improve the management process in the steel box production, and the improved process will reduce the redundant cost and schedule information, transmission and deposit generated by manual paper.

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Design and Application of the Warfighting Experiment Process Using the Intelligent Maturity Model in Software Intensive Systems (지능형 성숙도 모델을 이용한 소프트웨어 집약 시스템의 전투실험 프로세스 설계 및 적용)

  • Kang, Dong-Su;Yoon, Hee-Byung
    • Journal of the Korean Institute of Intelligent Systems
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    • v.17 no.5
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    • pp.668-673
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    • 2007
  • We propose the design of the warfighting experiment process for software intensive systems using the intelligent maturity model and suggest the application results of the target searching capability in smart UAV. For this, we design the intelligent maturity model to evaluate the intelligent degree of the software intensive systems considering the domain and intelligent level. Then we classify the IS0/1EC-12207 process and CMMI process as LITO domain for designing the warfighting experiment process, map the classifed process to the five factors of the warfighting experiment and derive the process as warfighting experiment element and phase. Based on the derived process, we design the warfighting experiment process using the IDEF0. Finally we apply the proposed process to the target search capability and suggest the results which are required to develop and acquire the smart UAV.

Construction Process Modelling Method Improving the Traceability of ICT Applications (ICT 적용 추적성 개선을 위한 시공관리 프로세스 모델링)

  • Go, Taeyong;Lim, Taekyung;Lee, Dong-Eun
    • Korean Journal of Construction Engineering and Management
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    • v.20 no.1
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    • pp.114-123
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    • 2019
  • Tracking ICT applications on construction business processes is critical to the success of ICT-applied construction projects. Existing IDEF0 is a representative modeling method for visualizing and analyzing business processes. It defines a construction production process into a visual information model, hence, encouraging the project participant to understand the activities, their deliverable, and control flow of the process. However, IDEF0 dose not lend itself to ICT-applied construction processes, because it does not provide a mean to define how, in what order, by which each and every activity that ICT applied implements. This paper presents a new business modeling method that improves the traceability of ICT application (IAMB: ICT Application tracking Model for Business process) for construction management. The IAMB contributes to handle the sophisticated features of construction management processes to which ICT are applied. The method categorizes the process into three types: management, construction, and information exchange. The validity of IAMB was confirmed by analyzing the performance when it is used for tracking each modeling step of lift reservation process which making use of ICT. The test case provides an admissible evidence that the method encourage to define who, what, how, which order, and by which ICT tools the construction process exchanges production information.

A Study on the Development of a Real-Time Schedule Progress Control System in Steel Structural Construction (철골골조공사의 실시간 진도관리 시스템 구축에 관한 연구)

  • Kim, Kyong-Hoon;Kim, Kyung-Hwan;Lee, Yoon-Sun;Kim, Jae-Jun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.886-891
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    • 2007
  • All sorts of technique for schedule progress management is being developed recently. These can change and develop the abstractive concept model to a detailed model that describes the visual 3D image about a schedule plan. but, this technique is troublesome, because this requires the handwork by means of connection between 3D-CAD and scheduling Program. In this study, the process of real-time schedule progress control system using the integrated database by 3D-CAD object information system and schedule module is presented. This study present the process of a schedule progress management using IDEF0 model, and the process of real-time schedule progress management using RFID system. Through this study, we want to realize the rapid generation of estimated schedule information and to simulate and analyze actual schedule information by real-time.

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A Design of Development Process Model of Product Lines for Developing Embedded Software (임베디드 소프트웨어 개발을 위한 제품계열 중심의 개발프로세스 모델 설계)

  • Hong, Ki-Sam;Yoon, Hee-Byung
    • Journal of KIISE:Software and Applications
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    • v.33 no.11
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    • pp.915-922
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    • 2006
  • Recently, the requirements of the embedded software are getting diverse as the diversity of embedded software application fields increases. The systematic development methods are issued to deal with the dependency between hardware and software. However, the existing development methods have not considered the software's close connection to hardware and the high-level reusability for common requirements of several similar domains. In this paper, we propose a design method of development process model of product lines to support an efficient development method for embedded software. For this, we firstly suggest a domain scoping method and an IDEF0(Integration DEFinition)-based business model for extracting the efficient requirements. Next, we present a component deriving method based on the service architecture and an architecture design method after considering the hardware dependency. And we explain the artifacts of MSDFS(Multi Sensor Data Fusion System) at each design step in order to show how the proposed model can be applied to the embedded software development.

An Integrated Modeling Methodology on the CIMS for Ship Production (조선 CIMS에서의 통합 모형화 방법론)

  • Hwang, Sung-Ryoung;Kim, Jae-Gyun;Moon, Chi-Ung;Jang, Gil-Sang
    • IE interfaces
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    • v.13 no.1
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    • pp.65-77
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    • 2000
  • Nowadays, the modeling of systems have been enabled by various models and methodologies that are used for different purpose and perspectives upon the systems. The integrated modeling methodology that integrates these models and methodologies has become challenging issues in system integration such as CIM and PDM. The primary objective of this paper is to propose the comprehensive integrated modeling methodology that integrates the Extended IDEF0 function model, OOIDEF0 information model, navigation model, interface model, and organization model for an effective analysis and design of the CIMS for ship production. This methodology can be used for the integrated system, and cover the systems development life cycle in an integrated fashion. In order to prove the consistency and efficiency of the proposed methodology, the CIMS for ship production is modeled.

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A Study on the Generation of Simulation Codes for Process Design under CIM Environments (CIM 환경에서 프로세스 설계를 위한 시뮬레이션 코드의 자동 생성에 관한 연구)

  • 박찬권;김기태;장성용;박진우
    • Journal of the Korea Society for Simulation
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    • v.6 no.1
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    • pp.25-40
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    • 1997
  • This study deals with an autonomous generation of simulation codes for the design of processes of c CIM system based on the concept of model transformation. We assume we have a functional model of an organization which is developed using the well-known IDEF0 methodology. Then, a modeling methodology, called PROWD(PRocess flOW Description), is suggested to develop the flow processes of the organization. To Derive simulation specifications for the transformed PROWD model, we define a module of a "unit system" for each activity of PROWD model. Then specifications for system entities and resources are derived from input/control/mechanism/output and entity flows of PROWD model. Entitiy queues are defined from the sates and events of unit systems. Finally, SIMAN model frame is generated from those specifications through a suggested algorithm. The implementability and validity of the proposed approach is tested by developing a prototype of a computer-assisted design system on the operation processes of FMS installed at SNU-ASRI (Seoul National University-Automation and Systems Research Institute).nstitute).

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