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유일상 한국산업경영시스템학회 2010 한국산업경영시스템학회 학술대회 Vol.2010 No.하계
A space launch vehicle system represents a typical example of large-scale multi-disciplinary systems, consisting of subsystems such as mechanical structure, electronics, control, telecommunication, propulsion, material engineering etc. Mission assurance for launch success is needed over the lifecycle of a space vehicle development program and through launch. This study suggests a comprehensive approach to analyzing failure spaces of space system failures, especially launch failures, from viewpoints of latent conditions and active failures in Reason's Model. First it reviews methods to identify process failure spaces using systems engineering process as latent conditions and explains their analysis results. Second it reviews literatures to identify physical failure spaces, deficiency areas of launch vehicles itself, as active failures and explains their analysis results.
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유일상,조미옥,서견수,오범석,조광래 한국산업경영시스템학회 2004 한국산업경영시스템학회 학술대회 Vol.2004 No.추계
Risk Management is an organized method for identifying and measuring risk and for selecting, developing, and implementing options for the handling of risk. The Risk management covers all programatic and technical factors which affect the system development performance, cost, and schedule. While technical issues are primary concern for systems engineering during a program, the three elements(performance, cost, and schedule) must be balanced for a successful risk management process and program. This paper describes the risk management process and intial results for the KSLV-I(Korea Space Launch Vehicle-I) program using computer-aided systems engineering tool, Cradle. The risk management process of KSLV-I program is similar to the general risk management process, but it has its own specific features to manage large-scale complex characteristics of KSLV-I program.
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유일상 한국산업경영시스템학회 2008 한국산업경영시스템학회 학술대회 Vol.2008 No.춘계
A space launch vehicle is a typical example of large-scale multi-disciplinary system, consisting of subsystems such as mechanical structure, electronics, control, telecommunication, propulsion, material engineering etc. Space launch vehicle development program uses tremendous high budget and long time so that it needs mature project management activities as well as advanced technologies development activities. Especially schedule management is a core area of project management. Korea Aerospace Research Institute(KARI) is in charge of the KSLV-I(Korea Space Launch Vehicle-I) Program that to develop launch capabilities to deliver science satellites of a 100 kg-class into a low earth orbit. KARI is hereafter going to plan to develop a new korean space launch vehicle. In this paper, first NASA's Schedule Management Handbook is analysed for KARI to improve its schedule management activities. Second this paper surveys development schedule of space launch vehicles in USA and Japan.
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