Abstract: In this paper, a textile-based respiratory sensing system is presented. Highly flexible polymeric optical fibres (POFs) that react to applied pressure were integrated into a carrier fabric to form a wearable sensing system. After the evaluation of different optical fibres, different setups were compared. To demonstrate the feasibility of such a wearable sensor, the setup featuring the best performance was placed on the human torso, and thus it was possible to measure the respiratory rate. Furthermore, we show that such a wearable system enables to keep track of the way of breathing (diaphragmatic, upper costal and mixed) when the sensor is placed at different positions of the torso. A comparison of the results with the output of some commercial respiratory measurements devices confirmed the utility of such a monitoring device.
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Krehel, M.; Schmid, M.; Rossi, R.M.; Boesel, L.F.; Bona, G.-L.; Scherer, L.J. An Optical Fibre-Based Sensor for Respiratory Monitoring. Sensors 2014, 14, 13088-13101.
Krehel M, Schmid M, Rossi RM, Boesel LF, Bona G-L, Scherer LJ. An Optical Fibre-Based Sensor for Respiratory Monitoring. Sensors. 2014; 14(7):13088-13101.
Krehel, Marek; Schmid, Michel; Rossi, René M.; Boesel, Luciano F.; Bona, Gian-Luca; Scherer, Lukas J. 2014. "An Optical Fibre-Based Sensor for Respiratory Monitoring." Sensors 14, no. 7: 13088-13101.