Development and Applications of a Smart Textile Actuator by Flat Knitting Technology

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  • NAKASHIMA Akichika
    Industrial Research Institute of Ishikawa Graduate School of Natural Science and Technology, Kanazawa University
  • HIGUCHI Yusuke
    Graduate School of Natural Science and Technology, Kanazawa University
  • WAKAKO Lina
    Institute of Science and Engineering, Kanazawa University
  • KINARI Toshiyasu
    Institute of Science and Engineering, Kanazawa University

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  • 横編み技術を用いたスマートテキスタイル用編地アクチュエータの開発とその応用
  • ヨコアミ ギジュツ オ モチイタ スマートテキスタイルヨウ アミジ アクチュエータ ノ カイハツ ト ソノ オウヨウ

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Abstract

<p>The purpose of this research is to develop a smart textile actuator for clothes. We developed a soft actuator with shape memory alloy wire by using flat knitting technology. It is capable of generating a maximum force of 0.61 N/mm and a maximum contraction of 7.8% when used for compression stockings. It was possible to increase the compression pressure from 10 hPa to 30 hPa in approximately 10 s. We also developed a soft actuator prototype of a flat knitting actuator covered by silicone sheets for a power assist suit. It has a length of 100 mm, a width of 60 mm, and a thickness of 2.3 mm. This actuator is capable of generating a maximum force of 22.7 N, which is more than twice the tension when it is 100% stretched. The data show that the soft actuator can be used for a power assist suit to prevent lumbago.</p>

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