Szczegóły publikacji
Opis bibliograficzny
A hybrid approach for damage detection and localisation using modulation transfer and vibroacoustic modulation / Jakub GÓRSKI, Kajetan DZIEDZIECH, Andrzej KLEPKA // Mechanical Systems and Signal Processing ; ISSN 0888-3270. — 2024 — vol. 210 art. no. 111180, s. 1–16. — Bibliogr. s. 15–16, Abstr. — Publikacja dostępna online od: 2024-02-01
Autorzy (3)
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 151792 |
|---|---|
| Data dodania do BaDAP | 2024-03-15 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.ymssp.2024.111180 |
| Rok publikacji | 2024 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Mechanical Systems and Signal Processing |
Abstract
This paper describes a hybrid approach to fault detection by using modulation transfer and vibroacoustic modulation. The work aims to locate faults and study the components of the response signals. This research is relevant for two reasons. The first is the small amount of research concerning hybrid modulation methods in fault localisation. The second is related to the insufficient knowledge of the response signals composition, which is crucial for fault detection procedures. Thus, the tests were carried out on two beams made of aluminium, one damaged and the other undamaged. The tested structures were excited by two sources. The first was a piezo stack actuator that introduced an amplitude-modulated wave with a modal frequency carrier. The second source was a piezoelectric exciter that introduced a harmonic ultrasonic wave. The tests were performed for several amplitude levels applied to the piezo stack actuator. The recorded responses were processed to calculate frequency spectra and prepare damage index trend charts. The spectrum analysis revealed the presence of components related to the modulation transfer and vibroacoustic modulation phenomenon. The trend analysis indicated that modulation transfer can be applied for damage localisation and complement vibroacoustic modulation techniques.