A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring

Wireless sensor nodes (WSNs) are the fundamental part of an Internet of Things (IoT) system for detecting and transmitting data to a master node for processing. Several research studies reveal that one of the disadvantages of conventional, battery-powered WSNs, however, is that they typically requir...

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Autores principales:	Namanu Panayanthatta, Giacomo Clementi, Merieme Ouhabaz, Mario Costanza, Samuel Margueron, Ausrine Bartasyte, Skandar Basrour, Edwige Bano, Laurent Montes, Catherine Dehollain, Roberto La Rosa
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	energy harvesting piezoelectric transducers vibrational sensors internet of things (IoT) low power microcontroller Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/2eddb566c64c468db5b0f26660102d2c
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spelling	oai:doaj.org-article:2eddb566c64c468db5b0f26660102d2c2021-11-25T18:56:57ZA Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring10.3390/s212275031424-8220https://doaj.org/article/2eddb566c64c468db5b0f26660102d2c2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/22/7503https://doaj.org/toc/1424-8220Wireless sensor nodes (WSNs) are the fundamental part of an Internet of Things (IoT) system for detecting and transmitting data to a master node for processing. Several research studies reveal that one of the disadvantages of conventional, battery-powered WSNs, however, is that they typically require periodic maintenance. This paper aims to contribute to existing research studies on this issue by exploring a new energy-autonomous and battery-free WSN concept for monitor vibrations. The node is self-powered from the conversion of ambient mechanical vibration energy into electrical energy through a piezoelectric transducer implemented with lead-free lithium niobate piezoelectric material to also explore solutions that go towards a greener and more sustainable IoT. Instead of implementing any particular sensors, the vibration measurement system exploits the proportionality between the mechanical power generated by a piezoelectric transducer and the time taken to store it as electrical energy in a capacitor. This helps reduce the component count with respect to conventional WSNs, as well as energy consumption and production costs, while optimizing the overall node size and weight. The readout is therefore a function of the time it takes for the energy storage capacitor to charge between two constant voltage levels. The result of this work is a system that includes a specially designed lead-free piezoelectric vibrational transducer and a battery-less sensor platform with Bluetooth low energy (BLE) connectivity. The system can harvest energy in the acceleration range [0.5 g–1.2 g] and measure vibrations with a limit of detection (LoD) of 0.6 g.Namanu PanayanthattaGiacomo ClementiMerieme OuhabazMario CostanzaSamuel MargueronAusrine BartasyteSkandar BasrourEdwige BanoLaurent MontesCatherine DehollainRoberto La RosaMDPI AGarticleenergy harvestingpiezoelectric transducersvibrational sensorsinternet of things (IoT)low powermicrocontrollerChemical technologyTP1-1185ENSensors, Vol 21, Iss 7503, p 7503 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	energy harvesting piezoelectric transducers vibrational sensors internet of things (IoT) low power microcontroller Chemical technology TP1-1185
spellingShingle	energy harvesting piezoelectric transducers vibrational sensors internet of things (IoT) low power microcontroller Chemical technology TP1-1185 Namanu Panayanthatta Giacomo Clementi Merieme Ouhabaz Mario Costanza Samuel Margueron Ausrine Bartasyte Skandar Basrour Edwige Bano Laurent Montes Catherine Dehollain Roberto La Rosa A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
description	Wireless sensor nodes (WSNs) are the fundamental part of an Internet of Things (IoT) system for detecting and transmitting data to a master node for processing. Several research studies reveal that one of the disadvantages of conventional, battery-powered WSNs, however, is that they typically require periodic maintenance. This paper aims to contribute to existing research studies on this issue by exploring a new energy-autonomous and battery-free WSN concept for monitor vibrations. The node is self-powered from the conversion of ambient mechanical vibration energy into electrical energy through a piezoelectric transducer implemented with lead-free lithium niobate piezoelectric material to also explore solutions that go towards a greener and more sustainable IoT. Instead of implementing any particular sensors, the vibration measurement system exploits the proportionality between the mechanical power generated by a piezoelectric transducer and the time taken to store it as electrical energy in a capacitor. This helps reduce the component count with respect to conventional WSNs, as well as energy consumption and production costs, while optimizing the overall node size and weight. The readout is therefore a function of the time it takes for the energy storage capacitor to charge between two constant voltage levels. The result of this work is a system that includes a specially designed lead-free piezoelectric vibrational transducer and a battery-less sensor platform with Bluetooth low energy (BLE) connectivity. The system can harvest energy in the acceleration range [0.5 g–1.2 g] and measure vibrations with a limit of detection (LoD) of 0.6 g.
format	article
author	Namanu Panayanthatta Giacomo Clementi Merieme Ouhabaz Mario Costanza Samuel Margueron Ausrine Bartasyte Skandar Basrour Edwige Bano Laurent Montes Catherine Dehollain Roberto La Rosa
author_facet	Namanu Panayanthatta Giacomo Clementi Merieme Ouhabaz Mario Costanza Samuel Margueron Ausrine Bartasyte Skandar Basrour Edwige Bano Laurent Montes Catherine Dehollain Roberto La Rosa
author_sort	Namanu Panayanthatta
title	A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
title_short	A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
title_full	A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
title_fullStr	A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
title_full_unstemmed	A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
title_sort	self-powered and battery-free vibrational energy to time converter for wireless vibration monitoring
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2eddb566c64c468db5b0f26660102d2c
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A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring

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