Crack identification based on thin-film full-bridge strain sensors

Shue Ting E. Tung, Yao Yao, Branko Glisic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A sensing sheet based on large-area electronics consists of a dense array of discrete short-gauge sensor units, integrated circuits for collecting, analyzing and communicating data, and a flexible photovoltaic system that serves as both a power harvester and a protective layer. We investigated the sensitivity of thin-film full-bridge strain sensors to cracks, and the effect of crack position with respect to the sensor. In general, the results of this research show that full-bridge strain sensors can successfully detect and characterize cracks in structural materials and are therefore good candidates to utilize in a sensing sheet.

Original languageEnglish (US)
Title of host publicationSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014
PublisherSPIE
ISBN (Print)9780819499875
DOIs
StatePublished - Jan 1 2014
EventSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014 - San Diego, CA, United States
Duration: Mar 10 2014Mar 13 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9061
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014
CountryUnited States
CitySan Diego, CA
Period3/10/143/13/14

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Keywords

  • Concrete Structures
  • Crack Detection and Characterization
  • Full-bridge Strain Sensors
  • Large-Area Electronics
  • Sensing Sheets
  • Structural Health Monitoring

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