NDLI: Textile-based capacitive sensor for a wireless wearable breath monitoring system

Content Provider	IEEE Xplore Digital Library
Author	Yang, C.M. Yang, T.L. Wu, C.C. Hung, S.H. Liao, M.H. Su, M.J. Hsieh, H.C.
Copyright Year	2014
Description	Author affiliation: Yuan Pei Univ., Hsinchu, Taiwan (Liao, M.H.; Su, M.J.) \|\| Ming Young Biomed. Corp., Miaoli, Taiwan (Yang, C.M.; Yang, T.L.; Wu, C.C.) \|\| Nat. Taiwan Univ., Taipei, Taiwan (Hsieh, H.C.) \|\| Nat. Center for High-Performance Comput., Hsinchu, Taiwan (Hung, S.H.)
Abstract	A capacitive sensor is demonstrated as the key component of a wearable breath monitoring system. Its capacitance varies proportional to the pressure acting on it with high linearity and wide working range. All of the components of the sensor, including conductors, insulator, and conductive wires, are textile materials and are thus as soft as ordinary clothes; therefore, the sensor is also washable and durable. By installing one sensor on the chest and another on the lower abdomen, thoracic and abdominal breathing can be detected independently with little crosstalk. Driven by a low-power NE556 oscillator, the capacitances of both sensors can be detected digitally and then transmitted by a Bluetooth low-energy wireless communication module to a smartphone. Thus, a wearable breath monitoring system is implemented to provide continuous and real time breath signal monitoring without mobility constraints.
Sponsorship	IEEE Consumer Electron. Soc.
Starting Page	232
Ending Page	233
File Size	126398
Page Count	2
File Format	PDF
ISSN	21583994
e-ISBN	9781479912919
DOI	10.1109/ICCE.2014.6775985
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensitivity Monitoring Capacitance Capacitive sensors Biomedical monitoring Games Silver textile-based sensor abdominal breathing Bluetooth low-energy mobility
Content Type	Text
Resource Type	Article

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