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Sensors 2007, 7(11), 2953-2969; doi:10.3390/s7112953

Tactile Fabric Panel in an Eight Zones Structure

1
TT- Area Electrònica, Enginyeria i Arquitectura La Salle, Quatre Camins 30 08022 Barcelona – Spain
2
Department d’Electrònica, Enginyeria i Arquitectura La Salle, Quatre Camins 30 08022 Barcelona – Spain
*
Author to whom correspondence should be addressed.
Received: 30 October 2007 / Accepted: 21 November 2007 / Published: 23 November 2007
(This article belongs to the Special Issue Intelligent Sensors)

Abstract

By introducing a percentage of conductive material during the manufacture ofsewing thread, it is possible to obtain a fabric which is able to detect variations in pressurein certain areas. In previous experiments the existence of resistance variations has beendemonstrated, although some constrains of cause and effect were found in the fabric. Theresearch has been concentrated in obtaining a fabric that allows electronic detection of itsshape changes. Additionally, and because a causal behavior is needed, it is necessary thatthe fabric recovers its original shape when the external forces cease. The structure of thefabric varies with the type of deformation applied. Two kinds of deformation aredescribed: those caused by stretching and those caused by pressure. This last type ofdeformation gives different responses depending on the conductivity of the object used tocause the pressure. This effect is related to the type of thread used to manufacture thefabric. So, if the pressure is caused by a finger the response is different compared to theresponse caused by a conductive object. Another fact that has to be mentioned is that apressure in a specific point of the fabric can affect other detection points depending on theforce applied. This effect is related to the fabric structure. The goals of this article arevalidating the structure of the fabric used, as well as the study of the two types ofdeformation mentioned before. View Full-Text
Keywords: weave; conductive thread; stretching; pressure weave; conductive thread; stretching; pressure
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Alsina, M.; Escudero, F.; Margalef, J.; Luengo, S. Tactile Fabric Panel in an Eight Zones Structure. Sensors 2007, 7, 2953-2969.

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