Eksperimentalna modalna analiza samo-vzbujenih majhnih in lahkih struktur : magistrsko delo magistrskega študijskega programa II. stopnje
Gerbec, Ana
Delo obravnava piezoelektrično vzbujanje z namenom eksperimentalne modalne analize majhnih in lahkih struktur. Metoda vzbujanja je možna za izdelke, kjer je piezo element sestavni del izdelka. V delu ...je zbrana teorija piezoelektričnega učinka s poudarkom na dinamskih lastnostih elektromehanskega sistema. Eksperimentalna modalna analiza je iz- vedena za tri različne načine vzbujanja. Najprej je struktura vzbujena s piezo elementom, in sicer s sinusnim preletom ter belim šumom, nato pa še impulzno z udarno kroglico. Identifikacija modalnih parametrov je izvedena s tremi metodami identifikacije: metodo največje kvadraturne komponente, metodo prilagajanja kroga ter metodo najmanjših kvadratov odstopanja kompleksnega eksponentnega upada. Na koncu se dotaknemo strukturne modifikacije, za napoved spremembe modalnih parametrov je uporabljena Chenova metoda.
Type of material - master's thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Gerbec], 2014
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