An Evaluation of Multicomponent Weft-Knit Twill Structures for Sensing Tensile Force

Roland Aigner, Frank Hepper

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

Abstract

We present multicomponent knit resistive sensors for tracking tensile force. The knits were fabricated using a Twill structure, which is a simple pattern featuring anisotropic elastic behavior, providing high stability along the course direction. Our sensors are made of two commercially available conductive yarn types, with highly different linear resistance. We present a variety of integration methods using the proposed Twill structure, all of which can be easily replicated on a two-bed weft-knitting machine. We evaluate the performance of the resulting sensor variations, with respect to consistency, hysteresis, short-term and long-term relaxation, and drift, among other metrics. We found that particulars of the knit's loop composition have a crucial effect on the consistency of the sensor readings. Furthermore, we show that knitting resistive yarn more tightly than the substrate material gives superior results and that improving elastic recoil by adding Lycra to the supporting substrate can considerably improve performance.

OriginalspracheEnglisch
Aufsatznummer10411838
Seiten (von - bis)6293-6302
Seitenumfang10
FachzeitschriftIEEE Sensors Journal
Jahrgang24
Ausgabenummer5
DOIs
PublikationsstatusVeröffentlicht - 1 März 2024

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