System-Level Simulation of a Self-Powered Sensor with Piezoelectric Energy Harvesting

Authors:
Loreto Mateu;Francesc Moll
Affiliations:
-;-
Venue:
SENSORCOMM '07 Proceedings of the 2007 International Conference on Sensor Technologies and Applications
Year:
2007

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Abstract

This paper presents a complete system simulation of a self-powered communication module. The components are described with the Verilog-A language, that allows to merge the electrical and mechanical models of the system. The self-powered sensor system is composed by an energy har- vesting piezoelectric generator that powers a RF transmit- ter. The simulations here presented compare between the case of a battery-less and battery-powered system. The re- sults obtained with the simulation model implemented allow to show how design choices of the system change the peri- odicity of the transmission and the ability to recharge the battery.