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Design of a garment-based sensing system for breathing monitoring
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
2013 (English)In: Textile research journal, ISSN 0040-5175, E-ISSN 1746-7748, Vol. 83, no 5, 499-509 p.Article in journal (Refereed) Published
Abstract [en]

The long-term monitoring of biophysiological signals requires new types of sensor systems that are wearable and at the same time convenient for the users. This paper describes the design of a novel garment-based sensing system for the long-term monitoring of breathing rhythm. The system concept was realized in a prototype garment, integrated with coated piezoresistive sensors. The prototype garment was tested by five subjects, and compared with a standard piezoelectric respiratory belt. Each signal was quantitatively and qualitatively evaluated in the time and frequency domain to make sure that no medical and diagnostic information was lost. The results showed a good agreement between the garment-based sensors and the standard reference, where errors occurred only when the breathing rate was extremely high. The garment-based sensor system could also distinguish the predominance breathing compartment (chest versus abdominal breathing). The system could detect a 10 s pause in breathing, which could be of importance in studies of sleep apnea. A garment-based sensing system maintains the accuracy of the signal quality without reducing the comfort for the user. It makes possible long-term ambulatory monitoring and has home-based healthcare applications.

Place, publisher, year, edition, pages
2013. Vol. 83, no 5, 499-509 p.
Keyword [en]
Smart textiles, wearable technology, e-health, breathing monitoring, sensing system, garment-based sensor, stretch sensor, conductive rubber
National Category
Textile, Rubber and Polymeric Materials
URN: urn:nbn:se:umu:diva-71326DOI: 10.1177/0040517512444336ISI: 000317933200006OAI: diva2:623661
Available from: 2013-05-28 Created: 2013-05-26 Last updated: 2013-05-28Bibliographically approved

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Wiklund, Urban
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Radiation Physics
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