This work presents an improved interdigital transducer for ultrasonic guided-wave generation and reception in structural health monitoring systems, where each finger constitutes an independent electrode that can be driven and sensed with a multichannel system. The new design aims at improving the versatility in wavelength selectivity of the classical interdigital transducer. Preliminary tests have shown that the fingers work correctly as a time-delayed periodic array.
Multielement Interdigital Transducers for Structural Health Monitoring / Bulletti A.; Giannelli P.; Calzolai M.; Capineri L.. - ELETTRONICO. - 2018-:(2018), pp. 1-3. (Intervento presentato al convegno 2018 IEEE International Ultrasonics Symposium, IUS 2018 tenutosi a jpn nel 2018) [10.1109/ULTSYM.2018.8579613].
Multielement Interdigital Transducers for Structural Health Monitoring
Bulletti A.Methodology
;Giannelli P.Conceptualization
;Calzolai M.Validation
;Capineri L.
Supervision
2018
Abstract
This work presents an improved interdigital transducer for ultrasonic guided-wave generation and reception in structural health monitoring systems, where each finger constitutes an independent electrode that can be driven and sensed with a multichannel system. The new design aims at improving the versatility in wavelength selectivity of the classical interdigital transducer. Preliminary tests have shown that the fingers work correctly as a time-delayed periodic array.
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