An Autonomous Wearable Sensor Node for Long-Term Healthcare Monitoring Powered by a Photovoltaic Energy Harvesting System

• Autorzy: Mohsen Saeed , Zekry Abdelhalim , Youssef Khaled , Abouelatta Mohamed

Identyfikatory

DOI

10.24425/ijet.2020.131873

• Języki publikacji: EN

Abstrakty

EN

In this paper, an autonomous wearable sensor node is developed for long-term continuous healthcare monitoring. This node is used to monitor the body temperature and heart rate of a human through a mobile application. Thus, it includes a temperature sensor, a heart pulse sensor, a low-power microcontroller, and a Bluetooth low energy (BLE) module. The power supply of the node is a lithium-ion rechargeable battery, but this battery has a limited lifetime. Therefore, a photovoltaic (PV) energy harvesting system is proposed to prolong the battery lifetime of the sensor node. The PV energy harvesting system consists of a flexible photovoltaic panel, and a charging controller. This PV energy harvesting system is practically tested outdoor under lighting intensity of 1000 W/m². Experimentally, the overall power consumption of the node is 4.97 mW and its lifetime about 246 hours in active-sleep mode. Finally, the experimental results demonstrate long-term and sustainable operation for the wearable sensor node.

Słowa kluczowe

EN

energy harvesting; healthcare monitoring; wearable sensor nodes; photovoltaic; Bluetooth low energy; BLE

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2020
• Tom: Vol. 66, No. 2
• Strony: 267--272
• Opis fizyczny: Bibliogr. 20 poz., fot., rys., wykr.

Twórcy

autor

Mohsen Saeed

• Faculty of Engineering, Ain Shams University, Cairo, Egypt

autor

Zekry Abdelhalim

• Faculty of Engineering, Ain Shams University, Cairo, Egypt

autor

Youssef Khaled

• Faculty of Navigation Science and Space Technology, Beni Suef University, Cairo, Egypt

autor

Abouelatta Mohamed

• Faculty of Engineering, Ain Shams University, Cairo, Egypt

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).