Fault Detection in Hydroelectric Generating Units with Trigonometric Filters - Modelling and Optinal Decision for Uncertain Systems Accéder directement au contenu
Communication Dans Un Congrès Année : 2020

Fault Detection in Hydroelectric Generating Units with Trigonometric Filters

Gérard Robert
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Résumé

A procedure based on trigonometric filters is proposed for parameter identification in ahydroelectric power generating unit approximated by a Multi Input - Single Output linear continuous-time varying system. First the discrete cosine transform is used as an interpolation filter and secondly an integral transform based on a Fourier kernel is applied to obtain a discrete-time model. Then a recursive least squares algorithm is performed to estimate abrupt changes of parameters and thus detect faults in the power plant. The whole method is successfully applied to a scenario fed with real sampled data featured by a poorexcitation.

Dates et versions

hal-02868669 , version 1 (15-06-2020)

Identifiants

Citer

Gérard Robert, Gildas Besancon. Fault Detection in Hydroelectric Generating Units with Trigonometric Filters. IFAC WC 2020 - 21st IFAC World Congress, Jul 2020, Berlin (virtual), Germany. ⟨10.1016/j.ifacol.2020.12.662⟩. ⟨hal-02868669⟩
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