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Architecture exploration of multi-source energy harvester for IoT nodes

Abstract : Wireless sensor networks are constrained by their energy supply. In order to relief this constraint, scavenging ambient energy from the environment has been considered. However, most existing energy harvesting devices rely on a single energy source, potentially reducing the sensor reliability. In this paper, we present an architecture for multi-source energy harvesting, aimed at low cost and easy integration with existing wireless sensors. Unlike existing architectures, our solution relies on a single power conditioning block. This block is powered by multiple sources, selected through a switch matrix by a dedicated controller. A prototype has been developed, validated and compared with alternative architectures. First results show our architecture benefits for systems using many heterogeneous sources, and highlights improvement possibilities through the addition of MPPT (Maximum Power Point Tracking) circuitry.
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Submitted on : Tuesday, January 10, 2017 - 5:54:14 AM
Last modification on : Wednesday, November 3, 2021 - 6:03:41 AM
Long-term archiving on: : Tuesday, April 11, 2017 - 1:37:15 PM


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Philip-Dylan Gleonec, Jeremy Ardouin, Matthieu Gautier, Olivier Berder. Architecture exploration of multi-source energy harvester for IoT nodes. IEEE Online Conference on Green Communications (Online GreenComm 2016), Nov 2016, n/a, United States. pp.27 - 32, ⟨10.1109/OnlineGreenCom.2016.7805402⟩. ⟨hal-01400418v2⟩



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