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NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Fibre & Textile Research (IJFTR) >
IJFTR Vol.36 [2011] >
IJFTR Vol.36(4) [December 2011] >
| Title: | Development and characterisation of elastomeric tape sensor fabrics for elbow angle measurement |
| Authors: | Kannaian, T
Neelaveni, R
Thilagavathi, G |
| Keywords: | Conductive yarn
Elastomeric sensor
Elbow angle
Goniometry
Resistance change
Silver coated yarn
Warp crimp |
| Issue Date: | Dec-2011 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | This paper deals with the development of
electro-active elastomeric fabric sensor using silver coated polyamide yarn at
the centre of the tape along with polyester and rubber yarns and its electrical
characterisation for the application towards elbow angle measurement. Box and
Behnken 3-variable and 3-level experimental design has been used and 15
different samples are produced. The resistance change in the samples caused by
linear extension as well as the angular movement of the elbow is measured. The variables for sensor design have been
optimized using gauge factor (∆r/∆x) values as dependent variable
and the results show that the variables such as number of conductive threads,
picks per inch and rubber: polyester thread ratio influence the ∆r/∆x
value negatively. Different sensor characteristics have also been analysed.
The sample with 4 conductive threads, 20 picks/inch and 1:8 polyester : rubber
ratio shows a higher gauge factor of 0.583 and has proportional resistance
change with length; this sample is therefore chosen to be good among all the 15
samples developed. It is also observed that this sample with higher sensitivity
value can be used to measure elbow joint up to 900 angle.
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| Page(s): | 436-442 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1025 (Online); 0971-0426 (Print) |
| Source: | IJFTR Vol.36(4) [December 2011]
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