• Title/Summary/Keyword: integrated analysis system

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The Application of MultiLayered Primitive-Composite Model for Integrated Design System of Agricultural Facilities (농업시설물의 통합설계시스템 개발을 위한 객체 모델링에 관한 연구(구조 및 재료 \circled1))

  • 배연정;이정재;윤성수;김한중
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2000.10a
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    • pp.226-232
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    • 2000
  • The design of agricultural facilities is the consistent activities, which systematically analyze all the actual conditions, design the unit structures, and improve the faming environment through efficient organization of the unit facility. The design of agricultural facilities is composed of site study, preliminary design, primary design, and detail design. Integrated design system can manage and process the information created by and used in all steps of design process. Formal data models of these design activities are important conceptual steps in development of integrated design system. However, most of existing models are not available for agricultural facilities. To support efficiently developing the integrated design system of agricultural facilities, we have developed the Multi-Layered Primitive-Composite mode I through object-oriented analysis of agricultural facilities. The MPC model not only satisfies the characteristics of agricultural facility, such as variety, coupling, informal data, but also improves abilities of integrated design system such as extensibility, flexibility, and granularity. The paper presents a formal definition of the MPC model.

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A Study on The Design of Network and Database Structure of The Integrated System for Power System Operational Planning and Analysis (전력수급계획 및 운용해석 종합시스템을 위한 네트워크 및 데이터베이스구조 설계에 관한 연구)

  • Ahn, Yang-Keun;Park, Si-Woo;Nam, Jae-Hyun
    • Proceedings of the KIEE Conference
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    • 1998.07c
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    • pp.1009-1011
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    • 1998
  • This paper presents a design of network and database structure of the integrated system for power system operational planning and analysis that will be more economical and stable of power system operation. An alias of this system is Highly Integrated Total Energy System(HITES). The Client/server model of HITES is designed as a remote data management model. The input/output-type of application programs and Oracle server is standardized. The separated user-databases from main-database strengthen security of HITES. It is plan to do that tables and relationships are defined by database designs. The connection of application program and DBMS of HITES will be tested through database design and data construction.

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Integration of Systems Engineering and System Safety Analysis for Developing CBTC System (CBTC 시스템 개발을 위한 시스템엔지니어링과 안전성 분석의 통합)

  • 박중용;박영원
    • Journal of the Korean Society for Railway
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    • v.6 no.1
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    • pp.1-9
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    • 2003
  • This article proposes an integrated systems engineering and safety analysis model for safety-critical systems development. A methodology in system design for safety is considered during the early phase of the development life cycle of systems engineering process. The evolution of the design automation technology has enabled engineers to perform the model-based systems engineering. A Computer-Aided Systems Engineering(CASE) tool, CORE, is utilized to integrate the systems engineering model with a system safety analysis model. The results of the functional analysis phase can drive the analysis of the system safety. An example of Communications-Based Train Control(CBTC) system for an Automated Guided Transit(AGT) system demonstrated an application of the integrated model.

A Study on Cost-Benefit Analysis of BIM-based Integrated Design Process in Korean Architectural Offices (국내 설계사무소의 BIM기반 통합설계프로세스 도입에 따른 비용효과분석에 관한 연구)

  • Seo, Ji-Hyo;Choo, Seung-Yeon
    • Korean Journal of Computational Design and Engineering
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    • v.15 no.4
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    • pp.261-270
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    • 2010
  • These days, architectural projects are becoming larger and more complex. And lots of information occurs through each phases and areas. For these reason, it is emphasized that collaboration with other parts. Therefore we need more effective architectural design process. However, it is difficult to collaborate in early stage with existing design process and it causes unnecessary spending of time and cost because of 2D-based working system. For solving these problem, we should introduce BIM-based Integrated Design Process which makes it possible to collaborate with other parts from early stage. Now the AEC industry in Korea has been trying to introduce BIM, and promoting variety of related business. However, for actual application of this system, it is unfortunately necessary to change various system throughout the construction industry. And this will cause lots of effort and expense. It is essential that scientific analysis and evaluation of efficiency and validity about this investment, because estimation of the investment and accompanying effects will provide reasonable standard of judgment for investment decision. Thus, this research conducted Cost-Benefit Analysis about BIM-based Integrated Design Process compared to existing design process. It is expected that this paper can be used for preliminary data in the future BIM market.

Research of Integrated System Design Process for Concurrency Design Activity (동시적 업무수행을 위한 통합된 시스템 설계 프로세스연구)

  • 김진훈;박영원
    • Proceedings of the Korean Society for Quality Management Conference
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    • 2004.04a
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    • pp.103-108
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    • 2004
  • This paper will describe integrated system design process and its application. Integrated design process is performed activities concurrently and sequentially for product development. For a group of activities to be truly integrated, the flow of deliverables among them must be well defined, and committed to. For this purpose, the study will suggest procedure that is executed context analysis of standard process, interface definition from activity decomposition, integration of related activities, and definition of concurrency & sequential activities flow, This procedure and method will contribute to minimize time loss that is emerged from activities iteration by not definitely definition of activities interface.

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An Integrated Approach to the Analysis and Design of a Three-Axis Cross-Coupling Control System

  • Jee, Sung-Chul;Lee, Hak-Chul
    • International Journal of Precision Engineering and Manufacturing
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    • v.8 no.2
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    • pp.59-63
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    • 2007
  • We propose a controller design analysis for a cross-coupling control system, which is essential for achieving high contouring accuracy in multi-axis CNC systems. The proposed analysis combines three axial controllers for each individual feed drive system together with a cross-coupling controller at the beginning of the design stage in an integrated manner. These two types of controllers used to be separately designed and analyzed since they have different control objectives. The proposed scheme is based on a mathematical formulation of a three-dimensional contour error model and includes a stability analysis for the overall control system and a performance analysis in terms of contouring and tracking accuracy at steady state. A computer simulation was used to demonstrate the validity of the proposed methodology. The performance variation was investigated under different operating conditions and controller gains, and a design range was elicited that met the given performance specifications. The results provide basic guidelines in systematic and comprehensive controller designs for multi-axis CNC systems. A cross-coupling control system was also implemented on a PC-based three-axis CNC testbed, and the experimental results confirmed the usefulness of the proposed control system in terms of contouring accuracy.

Web-based Integrated Safety, Health and Environment Management System in Gas Industry (가스공정의 웹기반 통합 안전, 보건, 환경 관리시스템 (WISHE))

  • Yoon En Sup;Han Kyounghoon;Park Jeong Su;Jung Ki Taek;Kim Ku Hwoi;Shin Dongil
    • Journal of the Korean Institute of Gas
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    • v.8 no.1 s.22
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    • pp.48-55
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    • 2004
  • ln this paper, we showed Web-based Integrated Safety, Health and Environment management system(WISHE) in gas industry, which was inspired from the integrated gas safety management system. Using the object oriented information flow to analysis basic modules of safety, health and environment, we made web-based, which enables us to access system anywhere, integrated system and its modules that can meet various laws and rules. This system also can reduce man power and management cost.

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Analysis Of The Thermal Behavior and Jacket Cooling Characteristics of Motor Integrated Spindle for High Speed Machine Tool (고속공작기계용 모터내장형 주축의 열거동 및 자켓냉각특성 해석)

  • Park, D.B.;Kang, J.P.;Song, J.B.
    • Journal of the Korean Society for Precision Engineering
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    • v.14 no.2
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    • pp.33-40
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    • 1997
  • Recently, there are an increasing needs for high speed rotating spindle which is an important mechanical ele- ment for a high efficiency machine tool in order to shorten machining time and cut production costs. The heat gen- eration is the most important problem in the motor integrated spindle. In this study, the effects of temperature distribution and thermal behavior according to the oil-air lubrication and cooling conditions are investigate theo- retically and experimentally on the motor-integrated spindle under unloading condition. The experimental spin- dle system is composed with the angular contact steel ball bearings, oil-air lubrication, air or oil jacket cooling system. To analyze the thermal behavior and cooling characteristics for the motor integrated spindle, the analysis using the finite element method is carried out. The analytical results are compared with the experimental results.

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An MCDM-Based Integrated Economic Analysis Model for the New Telecommunication Services (다기준 의사결정기법을 활용한 신규통신 서비스의 총체적 사업성 분석)

  • Chang, Haeng-Gorn;Choi, Sang-Hyun;Choi, Yong-Sun;Kim, Soung-Hie
    • IE interfaces
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    • v.5 no.2
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    • pp.3-17
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    • 1992
  • In this study, an integrated economic analysis model to analyze the new telecommunication services is developed. This model considers both the technological and managerial aspests altogether with respect to the profit and public benefit criteria. To encounter the various dynamically changing environments and evaluation criteria, multiple criteria decision making (MCDM)techniques are employed. The model consists of three stages; The first stage surveys related formal or informal data, generates analysis alternatives, and performs acceptabillty test in view of marketing. The second stage generates executive alternatives for each acceptable analysis alternative and checks the executionability in view of telecommunication technologies. The third stage performs the final integrated economic analysis including the profitability analysis. This study offers a basis for the future development of decision support system or expert system on the economic analysis of the new telecommunication services.

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A Study for Development of Integrated DC Railway System Analysis Algorithm (도시철도 급완행 통합해석 알고리즘 개발에 관한 연구)

  • Jang, Dong Uk;Kim, Moo Sun;Hong, Jae Sung;Lee, Hansang
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.64 no.4
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    • pp.646-652
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    • 2015
  • Increasing needs for rapid driving vehicles during rush hour, there are various researches how to operate or allocate rapid driving vehicles with the existing normal driving vehicles. In the aspect of power system, it should be preceded by an analysis for power equipment capacity. Also, it should be studied whether the added rapid driving vehicles gives a bad effects for stable operation of railway systems or not. In order to derive the results for these analysis processes, this paper suggest a novel analysis algorithm which can implement integrated analysis including rapid and normal driving railway vehicles simultaneously. This algorithm has been verified using Seoul Metro 7 Line data.