Detection of outliers in a gas centrifuge experimental data

• Main Author: Andrade,M. C. V.
• Publication Date: 2005
• Other Authors: Nascimento,C. A. O., Migliavacca,S. C. P.
• Format: Article
• Language: eng
• Source: Brazilian Journal of Chemical Engineering
• Download full: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322005000300008
• topic: Isotope separation; Gas centrifugation; Uranium isotopes; Outlier detection; Neural network

Isotope separation with a gas centrifuge is a very complex process. Development and optimization of a gas centrifuge requires experimentation. These data contain experimental errors, and like other experimental data, there may be some gross errors, also known as outliers. The detection of outliers in gas centrifuge experimental data is quite complicated because there is not enough repetition for precise statistical determination and the physical equations may be applied only to control of the mass flow. Moreover, the concentrations are poorly predicted by phenomenological models. This paper presents the application of a three-layer feed-forward neural network to the detection of outliers in analysis of performed on a very extensive experiment.