Journal
IEEE SENSORS JOURNAL
Volume 21, Issue 23, Pages 26793-26798Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2021.3120995
Keywords
Fiber gratings; Sensors; Strain; Electron tubes; Temperature sensors; Temperature measurement; Fingers; Fiber Bragg grating; rehabilitation; wearable; bio-mechanics; stroke
Funding
- National Natural Science Foundation of China [62003046, 6211101138]
- Guangdong Basic and Applied Basic Research Foundation [2021A1515011997]
- Special Project in Key Field of Guangdong Provincial Department of Education [2021ZDZX1050]
- Innovation Team Project of Guangdong Provincial Department of Education [2021KCXTD014]
- National Innovation and Entrepreneurship Training Program for College Students
- Project i3N by the National Funds through the Fundacao para a Ciencia e a Tecnologia (FCT)/Ministerio da Educacao e Ciencia (MEC) [UIDB/50025/2020, UIDP/50025/2020]
- FCT through the iFish Project [CEECIND/00034/2018]
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This study demonstrates the successful monitoring of finger joint bending using fiber Bragg gratings (FBGs) embedded in silicone tubes, showing potential for application in joint motion monitoring and stroke rehabilitation.
In this work, we report fiber Bragg gratings (FBGs) embedded in silicone tubes for joint movement monitoring. We integrate the sensors on finger guard bands and worn on a mechanical finger setup for finger joint bending monitoring. We demonstrate the shift of the central wavelength of the FBG of about 0.45 nm for 80 degrees bending, with a sensitivity of 5.6 +/- 0.5pm/degrees. By integrating the sensor on the finger, arm, and knee with guard bands in sinuous-shape, we monitor the bending of the joint, with the ability to distinguish the joint motion. The proposed sensor has a potential for application in Stroke rehabilitation.
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