Uporaba modalne analize za identifikacijo stopnje utrujenosti kovin
Kuhelj, Anton, 1934-2014
Naloga obravnava možnost nedestruktivnega testiranja s tehnologijo točkovnega varjenja izdelanih avtomobilskih koles s pomočjo meritev dinamičnega odziva. Različna kvaliteta točkovnih zvarov ...predstavlja razlike v togosti in dušenju delov mehanskega sistema, kar se odraža na spremenjenih dinamičnih parametrih. V raziskavi je bilo uporabljeno impulzno kladivo za vzbuditev koles v lastno nihanje. Analizirane so bile meritve odziva na dveh različnih grupah koles. Za analizo je bil uporabljen modalni analizator. Najdene so bile merljive in značilne spremembe v odzivih lastnega nihanja tako v časovnem kot tudi v frekvenčnem prostoru. Raziskane so bile različne kombinacije lokacij vzbujanja in odvzema signala s koles.
Type of material - research report
; adult, serious
Publication and manufacture - Ljubljana : Inštitut za matematiko, fiziko in mehaniko, 1991
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