Low-cost wearable sensor based on a D-shaped plastic optical fiber for respiration monitoring

Wang, Yu-Lin, Liu, Bin, Pang, Yi-Neng, Liu, Juan, Shi, Jiu-Lin, Wan, Sheng-Peng, He, Xing-Dao, Yuan, Jinhui and Wu, Qiang (2021) Low-cost wearable sensor based on a D-shaped plastic optical fiber for respiration monitoring. IEEE Transactions on Instrumentation and Measurement. ISSN 0018-9456 (In Press)

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Abstract

A low cost, wearable textile-based respiratory sensing system is proposed and experimentally demonstrated. A highly sensitive D-shaped plastic optical fiber (POF) sensor that responds to bending is integrated into an elastic band structure to form a respiratory sensing system. The curvature sensing experiments were conducted on the D-shaped POF sensor, which has a coefficient of determination (R2) of 0.9977. The system can be used to monitor not only the respiratory rate (RR) of the human body under different movement states (resting, walking and running), but also the RR of steady and unsteady respiratory signals due to different physiological states. In addition, using the proposed signal processing technique, the interference of motion noise can be removed and the influence of body movement on the sensor response can be eliminated. The advantages of the system are its low cost, compactness and simplicity in design. Thus, the application of the proposed respiratory sensing system provides a simple and inexpensive optical solution for wearable health.

Item Type: Article
Uncontrolled Keywords: Wearable device, Respiration monitoring, D-shaped plastic optical fiber, Optical fiber sensing
Subjects: H100 General Engineering
H600 Electronic and Electrical Engineering
H700 Production and Manufacturing Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Rachel Branson
Date Deposited: 19 Apr 2021 14:35
Last Modified: 19 Apr 2021 14:45
URI: http://nrl.northumbria.ac.uk/id/eprint/45954

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