Electrical textile sensors for repeated large deformation: Structures and electromechanical properties

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Abstract

This paper presents a systematic study of various fibrous structures that exhibit excellent strain/force sensing properties for repeated large deformation (up to 50% or more). The multiple-scaled investigation has been conducted with fibers, yarns and fabrics made from intrinsic electrically conductive materials or coated with conductive polymers or composites. The structures and electrical conductivity of these fibrous assemblies during large deformation have been characterized by various experimental techniques. Several challenges of using textiles as strain sensors and solutions to various problems are discussed. A theoretical analysis of knitted fabric strain sensors is presented to link the fiber properties and fabric structure with the electrical conductivity of the sensors as a function of strain/force.
Original languageEnglish
Article number73754H
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume7375
DOIs
Publication statusPublished - 1 Dec 2009
EventInternational Conference on Experimental Mechanics 2008, ICEM 2008 - Nanjing, China
Duration: 8 Nov 20088 Nov 2008

Keywords

  • Electrically conductive
  • Large deformation
  • Strain sensor
  • Textile

ASJC Scopus subject areas

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

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