Distributed Sensing Along Fibres for Smart Clothing

• URL: http://arxiv.org/abs/2402.09057v1
• Date: Wed, 14 Feb 2024 10:08:24 GMT
• Title: Distributed Sensing Along Fibres for Smart Clothing
• Abstract summary: We introduce a prototype garment, compact readout circuit, and algorithm to measure localized strain along multiple regions of a fibre. We employ a helical auxetic yarn sensor with tunable sensitivity along its length to selectively respond to strain signals. Compared to optical motion capture, we achieve around 5deg error in reconstructing shoulder, elbow, and wrist joint angles.
• Score: 1.024113475677323
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Textile sensors transform our everyday clothing into a means to track movement and bio-signals in a completely unobtrusive way. One major hindrance to the adoption of "smart" clothing is the difficulty encountered with connections and space when scaling up the number of sensors. There is a lack of research addressing a key limitation in wearable electronics: connections between rigid and textile elements are often unreliable and they require interfacing sensors in a way incompatible with textile mass production methods. We introduce a prototype garment, compact readout circuit, and algorithm to measure localized strain along multiple regions of a fibre. We employ a helical auxetic yarn sensor with tunable sensitivity along its length to selectively respond to strain signals. We demonstrate distributed sensing in clothing, monitoring arm joint angles from a single continuous fibre. Compared to optical motion capture, we achieve around 5{\deg} error in reconstructing shoulder, elbow, and wrist joint angles.

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