Solar energy harvesting for LoRaWAN-based pervasive environmental monitoring

Authors

  • Tommaso Addabbo University of Siena
  • Ada Fort University of Siena
  • Matteo Intravaia University of Siena
  • Marco Mugnaini University of Siena
  • Lorenzo Parri University of Siena
  • Alessandro Pozzebon University of Siena
  • Valerio Vignoli University of Siena

DOI:

https://doi.org/10.21014/acta_imeko.v10i2.1046

Abstract

The aim of this paper is to discuss the characterisation of a solar energy harvesting system to be integrated in a wireless sensor node, to be deployed on means of transport to pervasively collect measurements of Particulate Matter (PM) concentration in urban areas. The sensor node is based on the use of low-cost PM sensors and exploits LoRaWAN connectivity to remotely transfer the collected data. The node also integrates GPS localisation features, that allow to associate the measured values with the geographical coordinates of the sampling site. In particular, the system is provided with an innovative, small-scale, solar-based powering solution that allows its energy self-sufficiency and then its functioning without the need for a connection to the power grid. Tests concerning the energy production of the solar cell were performed in order to optimise the functioning of the sensor node: satisfactory results were achieved in terms of number of samplings per hour. Finally, field tests were carried out with the integrated environmental monitoring device proving its effectiveness.

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Published

2021-06-29

Issue

Vol. 10 No. 2 (2021)

Section

Research Papers

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