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Kim, Taesung
Microfluidics & Nanomechatronics Lab (μFNM)
Research Interests
  • Microfluidics & Nanofluidics
  • Nanoscale Transport Phenomena
  • MEMS & BioMEMS
  • Nanofabrication & Nanomechatronics

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Full-Fiber Auxetic-Interlaced Yarn Sensor for Sign-Language Translation Glove Assisted by Artificial Neural Network

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Title
Full-Fiber Auxetic-Interlaced Yarn Sensor for Sign-Language Translation Glove Assisted by Artificial Neural Network
Author
Wu, RonghuiSeo, SangjinMa, LiyunBae, JuyeolKim, Taesung
Issue Date
2022-12
Publisher
SHANGHAI JIAO TONG UNIV PRESS
Citation
NANO-MICRO LETTERS, v.14, no.1, pp.139
Abstract
Yarn sensors have shown promising application prospects in wearable electronics owing to their shape adaptability, good flexibility, and weavability. However, it is still a critical challenge to develop simultaneously structure stable, fast response, body conformal, mechanical robust yarn sensor using full microfibers in an industrial-scalable manner. Herein, a full-fiber auxetic-interlaced yarn sensor (AIYS) with negative Poisson's ratio is designed and fabricated using a continuous, mass-producible, structure-programmable, and low-cost spinning technology. Based on the unique microfiber interlaced architecture, AIYS simultaneously achieves a Poisson's ratio of-1.5, a robust mechanical property (0.6 cN/dtex), and a fast train-resistance responsiveness (0.025 s), which enhances conformality with the human body and quickly transduce human joint bending and/or stretching into electrical signals. Moreover, AIYS shows good flexibility, washability, weavability, and high repeatability. Furtherly, with the AIYS array, an ultrafast full-letter sign-language translation glove is developed using artificial neural network. The sign-language translation glove achieves an accuracy of 99.8% for all letters of the English alphabet within a short time of 0.25 s. Furthermore, owing to excellent full letter-recognition ability, real-time translation of daily dialogues and complex sentences is also demonstrated. The smart glove exhibits a remarkable potential in eliminating the communication barriers between signers and non-signers.
URI
https://scholarworks.unist.ac.kr/handle/201301/59026
DOI
10.1007/s40820-022-00887-5
ISSN
2311-6706
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