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Current Technologies of Textile Sensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Materials".

Deadline for manuscript submissions: closed (1 December 2022) | Viewed by 2355

Special Issue Editor

College of Textiles, Donghua University, Shanghai 200051, China
Interests: wearable electronics; smart textiles; fabric sensors; fabric circuits; bioinspired textile materials

Special Issue Information

Dear Colleagues,

Samrt textiles and flexible sensors have recently emerged as a new interest from both industry and academia. Textile materials are soft, malleable, and permeable, allowing for significant advances toward the development of wearable sensors made from fiber-based materials. The current textile sensors are made by invloving sensing materials into fibers, yarns or fabrics. The created sensors could detect different stumuli, such as temperature, mechanical deformation, humidity, and so on. The textile sensors have potential uses in diverse fields, such as healthcare, robotics, and human-machine interaction. To demonstrate the current technologies in this rapidly developing field, this special issue will present contributions from experts in the field.

Potential topics include, but are not limited to:

  • fiber/yarn/fabric sensors
  • pressure/strain/temperature/or any types of sensors
  • application of textile sensors,
  • mechanicsm of textile sensors,
  • flexible sensing networks

Dr. Qiao Li
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • textile sensor
  • sensing array or network
  • wearable application
  • healthcare
  • smart textile
  • mechanism

Published Papers (1 paper)

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Research

18 pages, 2295 KiB  
Article
Homogeneity Characterization of Textile-Integrated Wearable Sensors based on Impedance Spectroscopy
by Hanen Nouri, Dhivakar Rajendran, Rajarajan Ramalingame and Olfa Kanoun
Sensors 2022, 22(17), 6530; https://doi.org/10.3390/s22176530 - 30 Aug 2022
Cited by 2 | Viewed by 1626
Abstract
One of the main challenges during the integration of a carbon/polymer-based nanocomposite sensor on textile substrates is the fabrication of a homogeneous surface of the nanocomposite-based thin films, which play a major role in the reproducibility of the sensor. Characterizations are therefore required [...] Read more.
One of the main challenges during the integration of a carbon/polymer-based nanocomposite sensor on textile substrates is the fabrication of a homogeneous surface of the nanocomposite-based thin films, which play a major role in the reproducibility of the sensor. Characterizations are therefore required in every fabrication step to control the quality of the material preparation, deposition, and curing. As a result, microcharacterization methods are more suitable for laboratory investigations, and electrical methods can be easily implemented for in situ characterization within the manufacturing process. In this paper, several textile-based pressure sensors are fabricated at an optimized concentration of 0.3 wt.% of multiwalledcarbon nanotubes (MWCNTs) composite material in PDMS. We propose to use impedance spectroscopy for the characterization of both of the resistive behavior and capacitive behavior of the sensor at several frequencies and under different loads from 50 g to 500 g. The impedance spectra are fitted to a model composed of a resistance in series with a parallel combination of resistance and a constant phase element (CPE). The results show that the printing parameters strongly influence the impedance behavior under different loads. The deviation of the model parameter α of the CPE from the value 1 is strongly dependent on the nonhomogeneity of the sensor. Based on an impedance spectrum measurement followed by parameter extraction, the parameter α can be determined to realize a novel method for homogeneity characterization and in-line quality control of textile-integrated wearable sensors during the manufacturing process. Full article
(This article belongs to the Special Issue Current Technologies of Textile Sensors)
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