izpis_h1_title_alt

Intelligent location of simultaneously active acoustic emission sources - Part II
Kosel, Tadej (Avtor), Grabec, Igor (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://arxiv.org/abs/0704.0050 Povezava se odpre v novem oknu

Izvleček
Part I describes an intelligent acoustic emission locator, while Part II discusses blind source separation, time delay estimation and location of two continuous acoustic emission sources. Acoustic emission (AE) analysis is used for characterization and location of developing defects in materials. AE sources often generate a mixture of various statistically independent signals.A difficult problem of AE analysis is separation and characterization of signal components when the signals from various sources and the mode of mixing are unknown. Recently, blind source separation (BSS) by independent component analysis (ICA) has been used to solve these problems. The purpose ofthis paper is to demonstrate the applicability of ICA to locate two independent simultaneously active acoustic emission sources on an aluminum band specimen. The method is promising for non-destructive testing of aircraft frame structures by acoustic emission analysis.

Jezik:Angleški jezik
Ključne besede:akustična emisija, viri emisije, letalske konstrukcije, strukture, metode umetne inteligence, neporušno preskušanje, acoustic emission sources, emission locator, aircraft frame structures, non-destructive testing
Vrsta gradiva:Delo ni kategorizirano (r6)
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2007
Št. strani:5 f.
UDK:531/533
COBISS.SI-ID:10032155 Povezava se odpre v novem oknu
Število ogledov:569
Število prenosov:160
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