Comparative study between EKF and Geometrical methods for the Acoustic Emission source localization
| Autor: | A. Benammar, Daoud Berkani, Redouane Drai, M. Bentahar, El yamine Dris |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Computer science
Monte Carlo method 020206 networking & telecommunications 02 engineering and technology Pencil (optics) Extended Kalman filter Time of arrival Acoustic emission Source localization 0202 electrical engineering electronic engineering information engineering General Earth and Planetary Sciences 020201 artificial intelligence & image processing Algorithm Continuous wavelet transform General Environmental Science |
| Zdroj: | Procedia Computer Science. 148:438-447 |
| ISSN: | 1877-0509 |
| DOI: | 10.1016/j.procs.2019.01.056 |
| Popis: | The purpose of this paper is to optimize and apply probabilistic methods and compare the obtained results to geometric method for locating acoustic emission (AE) source in a plate-like structure. The time of arrival (TOA) of the AE waves in each sensor taking into account the uncertainties, was determined by the continuous wavelet transform (CWT). Then the group wave’s velocity was calculated by Monte Carlo simulation. As a probabilistic method, the extended Kalman filter (EKF) is used to iteratively estimate the location of AE sources. Experimental results have shown that the probabilistic method estimates the location of the pencil lead break better than the geometric method. Experimental tests were performed on a copper plate to validate the comparison of the two approaches performances. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|