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Body temperature—indoor condition monitor and activity recognition by mems accelerometer based on IoT-alert system for people in quarantine due to COVID-19
2021 (English)In: Sensors, E-ISSN 1424-8220, Vol. 21, no 7, article id 2313Article in journal (Refereed) Published
Abstract [en]

Coronavirus disease 19 (COVID-19) is a virus that spreads through contact with the respiratory droplets of infected persons, so quarantine is mandatory to break the infection chain. This paper proposes a wearable device with the Internet of Things (IoT) integration for real-time monitoring of body temperature the indoor condition via an alert system to the person in quarantine. The alert is transferred when the body thermal exceeds the allowed threshold temperature. Moreover, an algorithm Repetition Spikes Counter (RSC) based on an accelerometer is employed in the role of human activity recognition to realize whether the quarantined person is doing physical exercise or not, for auto-adjustment of threshold temperature. The real-time warning and stored data analysis support the family members/doctors in following and updating the quarantined people’s body temperature behavior in the tele-distance. The experiment includes an M5stickC wearable device, a Microelectromechanical system (MEMS) accelerometer, an infrared thermometer, and a digital temperature sensor equipped with the user’s wrist. The indoor temperature and humidity are measured to restrict the virus spread and supervise the room condition of the person in quarantine. The information is transferred to the cloud via Wi-Fi with Message Queue Telemetry Transport (MQTT) broker. The Bluetooth is integrated as an option for the data transfer from the self-isolated person to the electronic device of a family member in the case of Wi-Fi failed connection. The tested result was obtained from a student in quarantine for 14 days. The designed system successfully monitored the body temperature, exercise activity, and indoor condition of the quarantined person that handy during the Covid-19 pandemic. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Place, publisher, year, edition, pages
MDPI AG , 2021. Vol. 21, no 7, article id 2313
Keywords [en]
Accelerometer, Activity recognition, Body temperature, COVID-19, Indoor condition, IoT, Thermometer, Wearable device, Accelerometers, Data transfer, Electromechanical devices, MEMS, Pattern recognition, Physiology, Temperature sensors, Viruses, Wearable technology, Wireless local area networks (WLAN), Digital temperature sensor, Human activity recognition, Infrared thermometers, Internet of thing (IOT), Microelectromechanical system accelerometers, Real time monitoring, Threshold temperatures, Internet of things, accelerometry, human, microelectromechanical system, pandemic, quarantine, telemetry, thermometry, Humans, Micro-Electrical-Mechanical Systems, Pandemics
Identifiers
URN: urn:nbn:se:miun:diva-43073DOI: 10.3390/s21072313ISI: 000638873800001Scopus ID: 2-s2.0-85102969892OAI: oai:DiVA.org:miun-43073DiVA, id: diva2:1595676
Note

Cited By :2; Export Date: 20 September 2021; Article; Correspondence Address: Hoang, M.L.; Department of Industrial Engineering, Italy; email: mhoang@unisa.it

Available from: 2021-09-20 Created: 2021-09-20 Last updated: 2022-02-10Bibliographically approved

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