Investigation of temperature, humidity and force-sensitive sensors for future smart bed pads

S. Zeynep Aydin; G. Nur Beken; Kubilay Atas; Volkan Akgol; Burcu Erkmen; Revna A. Vural

doi:10.1117/12.3025010

28 March 2024 Investigation of temperature, humidity and force-sensitive sensors for future smart bed pads

S. Zeynep Aydin, G. Nur Beken, Kubilay Atas, Volkan Akgol, Burcu Erkmen, Revna A. Vural

Proceedings Volume 13091, Fifteenth International Conference on Signal Processing Systems (ICSPS 2023); 130912B (2024) https://doi.org/10.1117/12.3025010
Event: Fifteenth International Conference on Signal Processing Systems (ICSPS 2023), 2023, Xi’an, China

Abstract

In this study, the performance of temperature, humidity, and pressure sensors that can be used in smart mattress pads has been investigated. The measurement accuracy of pressure sensors has been compared for different sponge thicknesses and weights. Among 9 different test cases, the RP-S40-ST force sensor yielded the best results. As for temperature sensors, heat transfer measurements were compared for specific temperatures using different sponge thicknesses. The AHT15 and DS18B20 temperature sensors successfully measured 74% of the applied heat on a 2 cm thick viscoelastic sponge, and 52.4% on a thicker 4 cm sponge. Additionally, the humidity sensor's performance in measuring humidity on the mattress pad was evaluated. Based on these assessments, the sensors that will provide the best results for the design of the mattress pad have been proposed. The influence of the sponge, an essential component of the mattress pad, on the functioning of these sensors was also observed. Moreover, apart from their measurement capabilities, the impact of these sensors on the patient's comfort was also taken into consideration.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

S. Zeynep Aydin, G. Nur Beken, Kubilay Atas, Volkan Akgol, Burcu Erkmen, and Revna A. Vural "Investigation of temperature, humidity and force-sensitive sensors for future smart bed pads", Proc. SPIE 13091, Fifteenth International Conference on Signal Processing Systems (ICSPS 2023), 130912B (28 March 2024); https://doi.org/10.1117/12.3025010

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KEYWORDS

Sensors

Humidity

Foam

Temperature metrology

Temperature sensors

Resistance

Body temperature

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