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http://dx.doi.org/10.14400/JDC.2014.12.5.139

A case study on calibration of computational model for a reasonable cost estimation of missile development program (A case of guidance & control system of X missile)  

Park, Chung-Hee (Dept. of Defense Acquisition Program, Kwangwoon University)
Publication Information
Journal of Digital Convergence / v.12, no.5, 2014 , pp. 139-148 More about this Journal
Abstract
In recent years, computational models using parametric estimation method have been developed and used widely for efficient cost analysis. In this research, by applying experienced data from Guidance and Control Systems in Missile System field, the cost analysis for engineering model and commercial computational model(Price H, HL, M, S) are conducted and its result is analysed, so that the difference between two models and its grounds are apprehended. Comparing the calibrated value of computational model based on the data base of similar equipment and the cost from the engineering estimation, the two results are very close. It means that the credibility of data is enhanced through calibration. Also, for cost analysis of similar components in the future, the method for calibration of the computational models is also examined. When estimating development cost in this research, although many parts have been estimated through uncertain elements, the reliability could have been enhanced by applying computational model which secures objectivity. It is a very reasonable estimation method by utilizing calibration of the computational models based on existing accumulated development data.
Keywords
Cost Analysis; computational models; engineering estimation; parametric estimation method; calibration;
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