Fault Detection and Localization Using Laser-Measured Surface Vibration

Abstract

In this article, we present the details of the structural acoustic approach to fault monitoring, describe various "inversion" algorithms for extracting the fault information, show the results of numerical feasibility studies, discuss the associated measurement technologies, and then present applied studies we have carried out using this methodology. These include both laboratory-based studies on simple structures and spin-off work we have done on art-laden walls at the U.S. Capitol building.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2005
Accession Number
ADA524781

Entities

People

  • A. J. Romano
  • J. A. Bucaro
  • J. F. Vignola

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Biomedical
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustic Waves
  • Acoustics
  • Airframes
  • Algorithms
  • Composite Materials
  • Detection
  • Detectors
  • Dynamic Response
  • Elastic Waves
  • Fiber Bragg Gratings
  • Frequency
  • Materials
  • Measurement
  • Modal Analysis
  • Modulus Of Elasticity
  • Vibration
  • Waves

Readers

  • Acoustical Oceanography.
  • Fluid Dynamics.
  • Systems Analysis and Design

Technology Areas

  • Directed Energy