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황흥석,류정철,정덕길 한국경영과학회 1996 한국경영과학회 학술대회논문집 Vol.- No.1
R&D project management is a process of decicions concerned with the achievement of goals of objectives. Especially, defense R&D project planning is the key in the successfull management of defense development. The defense project managers are constantly having to perform "what if ?" exercise, such as what if the project is extended out for an additional months? What would be the additional cost? In this research, we developed a schedule-cost analysis model based upon Critical Path Method(CPM) and Venture Evaluation and Review Technique(VERT) for schedule-cost trade off analysis defense R&D projects. In the first step, a deterministic model is developed as a heuristic which determines the schedule extension and reduction cost as a function desired schedule. In the second step, a stochastic network simulation model is developed to analyse the project risk(sucess and failure). The expected time and cost can be determined for desired schedule under the assumptions of stochastic are data(time and cost) with a various precedence relationships. This model provides the defense R&D managers with an estimated and expected cost for curtailing or extending a project a given amount of time. The effectiveness and efficiency of the proposed methods, a heuristic and stochastic networks simulations, have bees demonstrated through examples.