期刊
IEEE SENSORS JOURNAL
卷 21, 期 7, 页码 9413-9422出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2021.3053434
关键词
Sensors; Sensor arrays; Sensor systems; Sockets; Monitoring; Data collection; Capacitive sensors; Pressure sensors; capacitive sensors; sensor arrays; body system networks; sensor systems and applications; textiles; wearable sensors; flexible electronics; prosthetics
资金
- North Carolina State University (NCSU) Chancellor's Innovation Fund
- NCSU Provost Fellowship
- NSF Electrical, Communications and Cyber Systems (ECCS) [1509043]
- NSF Smart and Connected Health (SCH) [1622451]
- NSF [DGE-1252376]
- Advanced Self-Powered Systems of Integrated Sensors and Technologies Engineering Research Center (ASSIST ERC) [EEC-1160483]
- National Institutes of Health (NIH) [NIH NICHD F31HD101285]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1509043] Funding Source: National Science Foundation
Amputees often experience discomfort when wearing prosthetic devices, highlighting the need for new technologies to improve comfort. Textile-based sensors offer a promising solution for monitoring the inner socket environment, potentially enhancing comfort for amputees.
Amputees are prone to experiencing discomfort when wearing their prosthetic devices. As the amputee population grows this becomes a more prevalent and pressing concern. There is a need for new prosthetic technologies to construct more comfortable and well-fitted liners and sockets. One of the well-recognized impediments to the development of new prosthetic technology is the lack of practical inner socket sensors to monitor the inner socket environment (ISE), or the region between the residual limb and the socket. Here we present a capacitive pressure sensor fabricated through a simple, and scalable sewing process using commercially available conductive yarns and textile materials. This fully-textile sensor provides a soft, flexible, and comfortable sensing system for monitoring the ISE. We provide details of our low-power sensor system capable of high-speed data collection from up to four sensor arrays. Additionally, we demonstrate two custom set-ups to test and validate the textile-based sensors in a simulated prosthetic environment. Finally, we utilize the textile-based sensors to study the ISE of a bilateral transtibial amputee. Results indicate that the textile-based sensors provide a promising potential for seamlessly monitoring the ISE.
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