Publication detail

Arrival time detection in thin multilayer plates on the basis of Akaike information criterion

SEDLÁK, P. HIROSE, Y. ENOKI, M. ŠIKULA, J.

Original Title

Arrival time detection in thin multilayer plates on the basis of Akaike information criterion

Type

journal article - other

Language

English

Original Abstract

The information of first arrival time of acoustic emission (AE) signal is very important in event location, event identification and source mechanism analysis. Manual picks are time consuming and sometimes subjective. Several approaches are used in practice. New first arrival automatic determination technique of acoustic emission signals in thin metal plates is presented. Based on Akaike information criterion (AIC) relation, proposed algorithm of the first arrival detection uses the specific characteristic function, which is sensitive to change of frequency in contrast to others such as envelope of the signal. The approach was tested on real AE data recorded by a four-channel recording system. The results were compared to manual picks as well as to other AIC approach. It is shown that our two step AIC picker is a reliable tool to identify the arrival time for AE signals.

Keywords

arrival time detection, acoustic emission, Akaike's information criterion, multilayer plate

Authors

SEDLÁK, P.; HIROSE, Y.; ENOKI, M.; ŠIKULA, J.

RIV year

2009

Released

26. 4. 2009

Publisher

Acoustic Emission Group CODEN: JACEDO

Location

CA, USA

ISBN

0730-0050

Periodical

Journal of Acoustic Emission

Year of study

26

Number

1

State

United States of America

Pages from

182

Pages to

188

Pages count

6

URL

http://www.arlab.com.pl/ewgae/index.php?p=start

BibTex

@article{BUT49425,
  author="Petr {Sedlák} and Yuichiro {Hirose} and Manabu {Enoki} and Josef {Šikula}",
  title="Arrival time detection in thin multilayer plates on the basis of Akaike information criterion",
  journal="Journal of Acoustic Emission",
  year="2009",
  volume="26",
  number="1",
  pages="182--188",
  issn="0730-0050",
  url="http://www.arlab.com.pl/ewgae/index.php?p=start"
}