| Title |
The methodology for the reliability evaluation of the signal processing methods used for the dispersion estimation of Lamb waves / |
| Authors |
Draudvilienė, Lina ; Meškuotienė, Asta |
| DOI |
10.1109/TIM.2021.3127625 |
| Full Text |
|
| Is Part of |
IEEE transactions on instrumentation and measurement.. Piscataway, NJ : IEEE. 2022, vol. 71, art. no. 1001607, p. 1-7.. ISSN 0018-9456. eISSN 1557-9662 |
| Keywords [eng] |
ultrasonic Lamb waves ; dispersion curve ; signal processing method ; reliability ; method verification ; uncertainty |
| Abstract [eng] |
The applications of the Ultrasonic Lamb waves are becoming more and more frequent and diverse industrial fields. These waves are used in non-destructive testing (NDT), structural health monitoring (SHM), for the assessment of the quality of materials etc. However, due to the unusual properties of these waves, the new or adapted signal processing methods are necessary to use for analysis of such wave signals. Based on the requirements of ISO 17025 the work presents the methodology for verification of the signal processing methods used to reconstruct the dispersion curves of the phase and group velocities of Lamb waves. The key sequence of the mathematical and experimental stages, which must be passed to evaluate reliability of the methods are developed. The present methodology includes the algorithm to optimally quantify the uncertainty, as to avoid the additional testing, saving cost and time. Main characteristics and sources of the uncertainties, that mainly affect the accuracy of the obtained results are identified, analysed and presented. New standards for certification testing, inspection and monitoring can be developed more easily and quickly based on the provided methodology in the future. |
| Published |
Piscataway, NJ : IEEE |
| Type |
Journal article |
| Language |
English |
| Publication date |
2022 |
| CC license |
|
