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http://dx.doi.org/10.14695/KJSOS.2020.23.2.51

Development of a Modular Clothing System for User-Centered Heart Rate Monitoring based on NFC  

Cho, Hakyung ((주)비와이엔 블랙야크 기획본부 R&D팀)
Cho, SangWoo (호서대학교 골프산업학과)
Cho, Kwang Nyun ((주)비와이엔 블랙야크 기획본부 R&D팀)
Publication Information
Science of Emotion and Sensibility / v.23, no.2, 2020 , pp. 51-60 More about this Journal
Abstract
This study aimed to develop a modular smart clothing system for heart rate monitoring that reduces the inconvenience caused by battery charging and the large size of measurement devices. The heart rate monitoring system was modularized into a temporary device and a continuous device to enable heart rate monitoring depending on the requirement. The temporary device with near-field communication (NFC) and heart rate sensors was developed as a clothing attachment type that enables heart rate monitoring via smart phone tagging when required. The continuous device is based on Bluetooth Low Energy (BLE) communication and batteries and was developed to enable continuous heart rate measurement via a direct connection to the temporary device. Furthermore, the temporary device was configured to connect with a textile electrode made of a silver-based knitted fabric designed to be located below the pectoralis major muscle for heart rate measurement. Considering the user-experience factors, key functions, and the ease of use, we developed an application to automatically log through smart phone tagging to improve usability. To evaluate the accuracy of the heart rate measurement, we recorded the heart rate of 10 healthy male subjects with a modular smart clothing system and compared the results with the heart rate values measured by the Polar RS800. Consequently, the average heart rate value measured by the temporary system was 85.37, while that measured by the reference device was 87.03, corresponding to an accuracy of 96.73%. No significant difference was found in comparison with the reference device (T value = -1.892, p = .091). Similarly, the average heart rate measured by the continuous system was 86.00, while that measured by the reference device was 86.97, corresponding to an accuracy of 97.16%. No significant difference was found in terms of the heart rate value between the two signals (T value = 1.089, p = .304). The significance of this study is to develop and validate a modular clothing system that can measure heart rates according to the purpose of the user. The developed modular smart clothing system for heart rate monitoring enables dual product planning by reducing the price increase due to unnecessary functions.
Keywords
Heart Rate Monitoring; Modular Smart Clothing System; Temporary Device; Continuous Device; NFC(Near Field Communication);
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Times Cited By KSCI : 16  (Citation Analysis)
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