Industrially Scalable Textile Sensing Interfaces for Extended Artificial Tactile and Human Motion Monitoring without Compromising Comfort

Fameng Wang, Haoyun Li, Pengpeng Hu, Yudong Wang, Fuwang Guan, Xuzhong Su, Mohammad Irfan Iqbal, Fengxin Sun

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Smart wearables with the capability for continuous monitoring, perceiving, and understanding human tactile and motion signals, while ensuring comfort, are highly sought after for intelligent healthcare and smart life systems. However, concurrently achieving high-performance tactile sensing, long-lasting wearing comfort, and industrialized fabrication by a low-cost strategy remains a great challenge. This is primarily due to critical research gaps in novel textile structure design for seamless integration with sensing elements. Here, an all-in-one biaxial insertion knit architecture is reported to topologically integrate sensing units within double-knit loops for the fabrication of a large-scale tactile sensing textile by using low-cost industrial manufacturing routes. High sensitivity, stability, and low hysteresis of arrayed sensing units are achieved through engineering of fractal structures of hierarchically patterned piezoresistive yarns via blistering and twisting processing. The as-prepared tactile sensing textiles show desirable sensing performance and robust mechanical property, while ensuring excellent conformability, tailorability, breathability (288 mm s ), and moisture permeability (3591 g m per day) for minimizing the effect on wearing comfort. The multifunctional applications of tactile sensing textiles are demonstrated in continuously monitoring human motions, tactile interactions with the environment, and recognizing biometric gait. Moreover, we also demonstrate that machine learning-assisted sensing textiles can accurately predict body postures, which holds great promise in advancing the development of personalized healthcare robotics, prosthetics, and intelligent interaction devices.
Original languageEnglish
Pages (from-to)16788-16799
Number of pages12
JournalACS applied materials & interfaces
Volume16
Issue number13
Early online date23 Mar 2024
DOIs
Publication statusPublished - 3 Apr 2024

Keywords

  • smart wearables
  • hierarchical structured yarns
  • tactile sensing textiles
  • biaxial insertion knit
  • biomechanical monitoring

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