Wearable with integrated piezoelectric energy harvester for geolocation of people with Alzheimer's

Santiago Linder Rubiños Jimenez, Juan Herber Grados Gamarra, Eduardo Nelson Chávez Gallegos, Linett Angélica Velasquez Jimenez, Herbert Junior Grados Espinoza, Genaro Christian Pesantes Arriola


Alzheimer's is a progressive disease that affects memory, causing disorientation in the patient, which causes them to lose themselves, generating anguish in families who have to resort to expensive searches. The objective of this research was to implement a device that can remotely provide the location of the Alzheimer's patient over a long period to relatives for greater security. For this, in this research, a mobile application was developed that receives information from a wearable that applies the internet of things using ong-range wide area technology to show the patient's real-time location and uses piezoelectrics for greater battery autonomy. The real-time location of the person and the radius of the safe zone in the application were obtained as results, the received signal strength indicator value where the signal was excellent or good had a value of -30 to -89 dB between 0 to 400 meters and the battery discharge time was 11 hours and 44 minutes. It was concluded that the application is interactive, that the piezoelectric system increased the autonomy of the wearable, and that the long-range wide area (LoRa) technology allowed monitoring of the patient's location with great precision at 400 meters.


Alzheimer; Geolocation; Long range wide area; Piezoelectric; Wearable

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DOI: http://doi.org/10.11591/ijece.v14i1.pp497-508

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International Journal of Electrical and Computer Engineering (IJECE)
p-ISSN 2088-8708, e-ISSN 2722-2578

This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).