Embedded ultrasonic transducer design and wireless communication for intelligent monitoring of structures

G. Hayward, C.G. Benny, A. Gachagan, R. Farlow, B. Hailu, A. McNab, Demessie Girma

Research output: Contribution to conferencePaper

Abstract

This paper describes a wireless demonstrator system designed for generation and detection of fundamental symmetrical Lamb waves (So) characterized by high velocity and low attenuation. The demonstrator comprises two piezoceramic transducers embedded within an epoxy plate, drive and pre-amplification electronics, a microcontroller and a communications interface. This arrangement can be configured to operate in an active pitch-catch or pulse-echo interrogation mode or as a passive acoustic emission (AE) sensor. The history of AE incidents, for example, may then be transmitted by Wireless link.
Original languageEnglish
Pages1623-1630
Number of pages8
DOIs
Publication statusPublished - Jul 2003
Event29th Annual Review of Progress in Quantitative Nondestructive Evaluation - Bellingham, United States
Duration: 14 Jul 200219 Jul 2002

Conference

Conference29th Annual Review of Progress in Quantitative Nondestructive Evaluation
Country/TerritoryUnited States
CityBellingham
Period14/07/0219/07/02

Keywords

  • embedded
  • ultrasonic transducer design
  • wireless communications
  • intelligent monitoring
  • structures
  • sensors
  • nondestructive testing
  • industrial and technological research and development
  • piezoelectric behavior
  • plates and shells
  • beams
  • ultrasonics
  • industrial processes
  • industrial products

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