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Chapter 7 - Advanced manufacturing of touch-sensitive textiles
Book chapter

Chapter 7 - Advanced manufacturing of touch-sensitive textiles

Richard Vallett, Denisa Qori McDonald, Dario Salvucci, Geneviève Dion and Ali Shokoufandeh
Artificial Intelligence in Manufacturing, pp 205-232
2024
DOI: https://doi.org/10.1016/B978-0-323-99135-3.00003-8

Abstract

Advanced manufacturing Capacitive touch sensing Convolutional neural network Knitting Long short-term memory Textile device
The ubiquity of textiles, as well as their soft and flexible nature, makes them an appealing medium for tangible embedded interactions. This interactivity is achieved through advanced textile manufacturing processes, novel sensing circuitry, computational strategies, and trained stochastic models to create sensitive and intelligent functional fabric devices. Recent work has demonstrated functional textile capacitive touch sensors that infer contact location through a simple but adaptable fabric-based circuit that can form a variety of physical interface layouts. The textile circuit connects to external sensing electronics using up to four macro-scale electrodes, thus improving systems integration between the fabric substrate and durability when stretched or folded. Supplementary sensing electronics perform real-time signal generation, acquisition, and processing to capture numerical data representative of touch interactions. This data is passed to both unsupervised and supervised models which process and estimate touch location, contact pressure, and temporal gestures which constitute the high-level input to end-user applications.

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