3D Printed Conformal Strain and Humidity Sensors for Human Motion Prediction and Health Monitoring via Machine Learning

Abstract: Wearable sensors have garnered considerable attention due to their flexibility and lightweight characteristics in the realm of healthcare applications. However, developing robust wearable sensors with facile fabrication and good conformity remains a challenge. In this study, a conductive graphene nanoplate‐carbon nanotube (GC) ink is synthesized for multi jet fusion (MJF) printing. The layer‐by‐layer fabrication process of MJF not only improves the mechanical and flame‐retardant properties of the printed GC sensor but also bolsters its robustness and sensitivity. The direction of sensor bending significantly impacts the relative resistance changes, allowing for precise investigations of joint motions in the human body, such as those of the fingers, wrists, elbows, necks, and knees. Furthermore, the data of resistance changes collected by the GC sensor are utilized to train a support vector machine with a 95.83% accuracy rate for predicting human motions. Due to its stable humidity sensitivity, the sensor also demonstrates excellent performance in monitoring human breath and predicting breath modes (normal, fast, and deep breath), thereby expanding its potential applications in healthcare. This work opens up new avenues for using MJF‐printed wearable sensors for a variety of healthcare applications.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
3D Printed Conformal Strain and Humidity Sensors for Human Motion Prediction and Health Monitoring via Machine Learning ; day:08 ; month:11 ; year:2023 ; extent:13
Advanced science ; (08.11.2023) (gesamt 13)

Creator
Hou, Yanbei
Gao, Ming
Gao, Jingwen
Zhao, Lihua
Teo, Edwin Hang Tong
Wang, Dong
Qi, H. Jerry
Zhou, Kun

DOI
10.1002/advs.202304132
URN
urn:nbn:de:101:1-2023110914053394234708
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:57 AM CEST

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Associated

  • Hou, Yanbei
  • Gao, Ming
  • Gao, Jingwen
  • Zhao, Lihua
  • Teo, Edwin Hang Tong
  • Wang, Dong
  • Qi, H. Jerry
  • Zhou, Kun

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