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3379. Mass Properties Using Statistical Techniques
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Title | 3379. Mass Properties Using Statistical Techniques |
Publication Type | Conference Paper |
Paper Number | 3379 |
Year of Publication | 2005 |
Authors | Biggs, Brent |
Paper Category | 21.0. WEIGHT ENGINEERING - STATISTICAL STUDIES |
Conference | 64th Annual Conference, Annapolis, Maryland |
Conference Location | Annapolis, Maryland |
Publisher | Society of Allied Weight Engineers, Inc. |
Date Published | 5/14/05 |
Abstract | Over the past 15 or so years, Mass Properties analysis techniques have used the same basic philosophy for calculations. The prediction of mass through a program life cycle can be calculated by adding contingency to a basic mass calculation. As the program matures, this contingency decreases until the program is completed. The contingency schedule is based on a statistical analysis of historical data gathered from the satellite industry. The mass growth tends to follow a standard bell curve. By applying the mean of historical mass growth, statistically there is a 50% chance being under the allocation. The single prediction does not provide insight into the uncertainty of that value. A simple method using the distribution of the historical mass growth to provide a prediction would offer that insight. This prediction, applied at the part level, is presented in statistical terms, easily understood by anyone with a technical background. |
Pages | 26 |
Key Words | 21. Weight Engineering - Statistical Studies |
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