Certificate of Registration Media number Эл #ФС77-53688 of 17 April 2013. ISSN 2308-6033. DOI 10.18698/2308-6033
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Methods of direct search in hybrid algorithms of computing diagnostics of hydromechanical systems

Published: 09.12.2014

Authors: Sulimov V.D., Shkapov P.M.

Published in issue: #12(36)/2014

DOI: 10.18698/2308-6033-2014-12-1353

Category: Mathematic modeling | Chapter: Modeling aerohydrodynamics

The article considers problems of computing diagnostics of hydromechanical systems. In the developed mathematical models of the studied objects we used indirect diagnostic information which contained in the spectra of fluctuations of objects registered with the regular systems. We formulated inverse spectral problem, in the solution of which we implemented optimization approach. It was assumed that private criteria were continuous, not everywhere differentiable multiextreme functions. Search of global decisions was carried out using a new hybrid algorithms integrating stochastic algorithm of scanning of variables space and determined methods of direct local search. Numerical examples of model diagnosing of the heat carrier phase structure and of nuclear reactor plant equipment are given.

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