Abstract
Human body temperature is an important sign of physical condition in terms of comfort, heat or cold stresses, and of performance. This paper presents the preliminary investigation into the design, manufacturing and testing of the textile based temperature sensor. This sensing fabric may be employed to measure the temperature of the human body on a continuous basis over extensive periods of time, outside the clinical environment. The sensing fabric was manufactured on an industrial scale flat-bed knitting machine by laying-in the sensing element (in the form of fine metal wire) into the double layer knitted structure. The operational principle of the sensing fabric is based on the inherent tendency of metal wire to change in its electrical resistance because of the change in its temperature. An experimental resistance-temperature relationship showed promising validation in comparison with their modeled counterparts.
Highlights
In last few years, within the domain of electronic textiles, rigorous research has been carried out, predominantly in respect of the inclusion of sensing functions into the textile products
) of the Temperature Sensing Fabric (TSF) samples was measured at a reference temperature of 20 °C
It can be observed that modelled resistance is slightly higher than the experimental resistance in all instances. This could be due to the non-conformance of the sensing fabric to its designed dimension of 8 cm × 8 cm
Summary
Within the domain of electronic textiles, rigorous research has been carried out, predominantly in respect of the inclusion of sensing functions into the textile products. Intended for round the clock monitoring of the vital signs of the human body over extended periods of time. One of the important components of WHMS is the sensor which receives vital signs information from the wearer and relays it for further processing. This information may be utilized to help generate a general health picture for the diagnosis of various diseases and its management [1]. For the measurement of human body temperature, most researchers have relied on commercially available thermistor and temperature
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