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도시형 자기부상열차의 기능분석을 이용한 사양간 추적성 도출 연구
정경렬(Chung Kyungryul),박철호(Park Chulho),최준호(Choi Chunho),송선호(Song Sunho) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Recently, a railroad system has a big and complicated structure of specification. Therefore, traceability between specification need to be identified for design change management and this is many engineer"s concerns. Traceability means technical relationship. This is to trace other specification or component connect with relevant problem in case some problem should be examined. Traceability between functional specification can be proved through functional analysis essentially. This study will introduce an application method of functional analysis in the case of practical use project of MAGLEV train. And we propose the guide to identify traceability between function through functional analysis.
매트릭스 기법을 응용한 시스템 인터페이스 관리 방안 연구
정경렬(Chung Kyungryul),박철호(Park Chulho),최준호(Choi Chunho),송선호(Song Sunho) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
It is important to manage internal and external interfaces in a system integration. As there are many of related multi-disciplinary engineers and high level complexity in big and complex project, it is difficult that carrying out interfaces management by consistent method. We study the method that represent efficiently system interfaces by matrix structure. And we suggest the way to identify system interfaces and trace interfaces between components using Interface Analysis Matrix and Interface Control Document.
Cradleⓡ Web Access를 이용한 철도시스템 사양관리환경 구축방안 연구
정경렬(Chung Kyungryul),박철호(Park Chulho),송선호(Song Seonho),허지열(Hur Jeeyoul) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.5월
The Cradleⓡ is specialized systems engineering tool that developed by 3SL(Structure Software System Limited) that has headquarters in U.K. and U.S.A.. It is recognized as the fastest growing Computer-Aided Systems Engineering Tool(CASE Tool). We built up requirements management database by using Cradleⓡ on urban maglev program in Korea. So Cradleⓡ provide a network function, is available accesses of clients in external organization that is associated on urban maglev program by the internet. However the network function of Cradleⓡ require an opening of some a specific network ports and may causes a decreasing network speed. In this paper, we propose the method to establish an user environment of a requirements management database that overcome constraints on network condition.
정경렬(Chung Kyungryul),박철호(Park Chulho),최준호(Choi Chunho),송선호(Song Sunho) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.10
System requirements (SRs), which describe the technical attributes to be satisfied by a desired system, serve as a fundamental guideline for system development. Standard methods and processes to define SRs are suggested in systems engineering literature. But in practice, we encounter many difficulties in defining and managing SRs since there are few experiences on development of complex systems in accordance with systems engineering processes of development. In this paper, to expanding SRs management experiences in a working-level, we reviewed problems occured in SRs defining process in 'Urban MAGLEV Train Project', and analyzed our activities to adjust and solve the problems.
이병종(Byeong-Jong Lee),정경렬(Kyungryul Chung) 한국철도학회 2002 철도저널 Vol.5 No.3
This paper proposes the Systematic Design Methodology of the Korean High Speed Train. High Speed Train does not operate in isolation and is a part of a rail system which is influenced through input and output effects from the environment and from the neighbouring system. To fullfil its overall desired function, such input and output relationships between the systems mustl be considered in the system boundary conditions. Therefore, the overall interrelationship of all these effects has to be carefully considered during the design process. Here proposed methodology may provide a guide line and criteria for the systematic problem solving method of that highly complex High Speed Train System.