Localization of acoustic emission sources in geometrically sparse structures

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Localization of acoustic emission sources in geometrically sparse structures

Popis výsledku v původním jazyce

Increasing safety demands are in recent years supported by integration of Structural Health Monitoring (SHM) systems into e.g. aircrafts, bridges or other civil structures including modern buildings. One of the highly effective early-warning methods is detection of acoustic emission (AE). The AE method is frequently exploited on geometrically very complicated structures, which needs sophisticated AE source location procedures. In this paper we discuss AE localization on typical latticed construction composed of interconnected girders. The utilization of artificial neural networks is compared with segmented localization based on the chronology of signal arrivals to selected groups of AE sensors in such ?geometrically sparse structures. Results obtainedwith both AE source localization methods are illustrated on real building experiment, where the primary roof truss was gradually loaded up to the final breakdown.

Název v anglickém jazyce

Localization of acoustic emission sources in geometrically sparse structures

Popis výsledku anglicky

Increasing safety demands are in recent years supported by integration of Structural Health Monitoring (SHM) systems into e.g. aircrafts, bridges or other civil structures including modern buildings. One of the highly effective early-warning methods is detection of acoustic emission (AE). The AE method is frequently exploited on geometrically very complicated structures, which needs sophisticated AE source location procedures. In this paper we discuss AE localization on typical latticed construction composed of interconnected girders. The utilization of artificial neural networks is compared with segmented localization based on the chronology of signal arrivals to selected groups of AE sensors in such ?geometrically sparse structures. Results obtainedwith both AE source localization methods are illustrated on real building experiment, where the primary roof truss was gradually loaded up to the final breakdown.

Druh

D - Stať ve sborníku

CEP obor

BI - Akustika a kmity

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

31st Conference of the European Working Group on Acoustic Emission : EWGAE 2014

ISBN

978-3-940283-63-4

ISSN

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e-ISSN

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Počet stran výsledku

12

Strana od-do

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Název nakladatele

Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V

Místo vydání

Berlín

Místo konání akce

Drážďany

Datum konání akce

3. 9. 2014

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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