Acoustic Emission (AE) source localization using Extended Kalman Filter (EKF)

Ehsan Dehghan Niri; Salvatore Salamone; Puneet Singla

doi:10.1117/12.914848

Acoustic Emission (AE) source localization using Extended Kalman Filter (EKF)

Ehsan Dehghan Niri, Salvatore Salamone, Puneet Singla

Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Scopus citations

Abstract

This paper presents a method for Acoustic Emission (AE) source localization in isotropic plate-like structures based on the Extended Kalman Filter (EKF). The accuracy of the traditional triangulation methods depends on the time of flight (TOF) measurements and on the group velocity assumption so uncertainties in both should be taken into account and filtered out. An algorithm based on the Extended Kalman Filter (EKF), capable of filtering out these uncertainties, has been developed for the estimation: 1) the AE source location and 2) the wave velocity. Experimental tests have been carried out on an aluminum plate to show accuracy and robustness of the proposed approach.

Original language	English (US)
Title of host publication	Health Monitoring of Structural and Biological Systems 2012
Volume	8348
DOIs	https://doi.org/10.1117/12.914848
State	Published - Jun 6 2012
Event	Health Monitoring of Structural and Biological Systems 2012 - San Diego, CA, United States Duration: Mar 12 2012 → Mar 15 2012

Other

Other	Health Monitoring of Structural and Biological Systems 2012
Country	United States
City	San Diego, CA
Period	3/12/12 → 3/15/12

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All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Cite this

Niri, E. D., Salamone, S., & Singla, P. (2012). Acoustic Emission (AE) source localization using Extended Kalman Filter (EKF). In Health Monitoring of Structural and Biological Systems 2012 (Vol. 8348). [834804] https://doi.org/10.1117/12.914848

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AB - This paper presents a method for Acoustic Emission (AE) source localization in isotropic plate-like structures based on the Extended Kalman Filter (EKF). The accuracy of the traditional triangulation methods depends on the time of flight (TOF) measurements and on the group velocity assumption so uncertainties in both should be taken into account and filtered out. An algorithm based on the Extended Kalman Filter (EKF), capable of filtering out these uncertainties, has been developed for the estimation: 1) the AE source location and 2) the wave velocity. Experimental tests have been carried out on an aluminum plate to show accuracy and robustness of the proposed approach.

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10.1117/12.914848