Design of Wearable Finger Sensors for Rehabilitation Applications

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Abstract

As an emerging technology, smart textiles have attracted attention for rehabilitation purposes or to monitor heart rate, blood pressure, breathing rate, body posture, as well as limb movements. Traditional rigid sensors do not always provide the desired level of comfort, flexibility, and adaptability. To improve this, recent research focuses on the development of textile-based sensors. In this study, knitted strain sensors that are linear up to 40% strain with a sensitivity of 1.19 and a low hysteresis characteristic were integrated into different versions of wearable finger sensors for rehabilitation purposes. The results showed that the different finger sensor versions have accurate responses to different angles of the index finger at relaxation, 45° and 90°. Additionally, the effect of spacer layer thickness between the finger and sensor was investigated.

Original languageEnglish
Article number710
Number of pages9
JournalMicromachines
Volume14
Issue number4
DOIs
Publication statusPublished - 2023

Keywords

  • knitted strain sensor
  • rehabilitation applications
  • smart textiles
  • wearable textiles

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