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Machine Learning of the Reactor Core Loading Pattern Critical Parameters

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Author(s): Krešimir Trontl | Dubravko Pevec | Tomislav Šmuc

Journal: Science and Technology of Nuclear Installations
ISSN 1687-6075

Volume: 2008;
Date: 2008;
Original page

ABSTRACT
The usual approach to loading pattern optimization involves high degree of engineering judgment, a set of heuristic rules, an optimization algorithm, and a computer code used for evaluating proposed loading patterns. The speed of the optimization process is highly dependent on the computer code used for the evaluation. In this paper, we investigate the applicability of a machine learning model which could be used for fast loading pattern evaluation. We employ a recently introduced machine learning technique, support vector regression (SVR), which is a data driven, kernel based, nonlinear modeling paradigm, in which model parameters are automatically determined by solving a quadratic optimization problem. The main objective of the work reported in this paper was to evaluate the possibility of applying SVR method for reactor core loading pattern modeling. We illustrate the performance of the solution and discuss its applicability, that is, complexity, speed, and accuracy.
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