10.14489/td.2019.08.pp.012-021

2019, 08 August

DOI: 10.14489/td.2019.08.pp.012-021

Stepanova L. N., Chernova V. V., Ramazanov I. S.
USING CLUSTERING METHODS FOR PROCESSING ACOUSTIC-EMISSION INFORMATION
(pp. 12-21)

Abstract. The analysis of the developed methods of cluster analysis of acoustic emission signals (AE), performed during the welding process and in the process of strength testing of composite samples and structures, was performed. Clustering in digital form, informative parameters of AE signals, front edge rise rate, as well as dynamic and two-stage clustering are considered. The examples of the use of the developed cluster analysis methods in the control of welding defects, composite samples and elements of aircraft structures during static and cyclic testing are shown. The advantages and disadvantages of various clustering methods for processing AE information are determined.

Keywords: cluster analysis, welding, static and cyclic tests, acoustic emission, parameters, location, signal processing.

+ - About the Authors Click to collapse

L. N. Stepanova (Federal State Unitary Enterprise “Siberian Aeronautical Research Institute named after S. A. Chaplygin”, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. V. Chernova (The Siberian Transport University, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
I. S. Ramazanov (Federal State Unitary Enterprise “Siberian Aeronautical Research Institute named after S. A. Chaplygin”, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

+ - References Click to collapse

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6. Ser'eznov A. N., Stepanova L. N., Murav'ev V. V. et al. (2007). The method of quality control installation of acoustic transducers on a metal structure and device for its implementation. Ru Patent No. 2 299 429. Russian Federation. [in Russian language]
7. Stepanova L. N., Kabanov S. I., Ramazanov I. S. et al. (2017). Analysis of errors in the location of multipass welding defects using various clustering methods. Defektoskopiya, (2), pp. 10 – 17. [in Russian language]
8. Stepanova L. N., Kabanov S. I., Ramazanov I. S. (2008). Wavelet filtering in problems of localization of acoustic emission signals. Kontrol'. Diagnostika, (1), pp. 15 – 19. [in Russian language]

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