Artificial Nerves for Structural Condition Monitoring

Abstract

Structural condition monitoring refers to using in-situ sensors to monitor the internal loads and the health of a structure in real-time. This will allow a structure to be operated at its maximum performance and efficiency while minimizing the fatigue damage. To achieve this on a large structure, new highly distributed sensor concepts are investigated in which piezoceramic sensors are used to mimic biological nerves. A simulation model and a corresponding experiment show how these artificial nerves can measure large dynamic strains and simulated acoustic emissions that represent damage in structures.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 14, 2001
Accession Number
ADA395341

Entities

People

  • Anindya Ghoshal
  • Gary Lebby
  • Mannur J. Sundaresan
  • Mark J. Schulz
  • William N. Martin Jr.

Organizations

  • North Carolina Agricultural and Technical State University

Tags

DTIC Thesaurus Topics

  • Acoustic Emissions
  • Acquisition
  • Capacitance
  • Circuits
  • Constitutive Equations
  • Data Acquisition
  • Detectors
  • Electrical Engineering
  • Frequency
  • Materials
  • Measuring Instruments
  • Military Research
  • Neurons
  • Piezoelectric Effect
  • Piezoelectric Sensors
  • Signal Processing
  • Structural Health Monitoring

Readers

  • Neuroscience
  • Robotics and Automation.
  • Structural Health Monitoring of Composite Structures.