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Sensors 2016, 16(1), 57;

Self-Powered WSN for Distributed Data Center Monitoring

Department of Industrial Engineering (DII), University of Trento, via Sommarive 9, Povo (TN) I-38123, Italy
Department of Information Engineering and Computer Science (DISI), University of Trento, via Sommarive 9, Povo (TN) I-38123, Italy
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 12 November 2015 / Revised: 24 December 2015 / Accepted: 29 December 2015 / Published: 2 January 2016
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Monitoring environmental parameters in data centers is gathering nowadays increasing attention from industry, due to the need of high energy efficiency of cloud services. We present the design and the characterization of an energy neutral embedded wireless system, prototyped to monitor perpetually environmental parameters in servers and racks. It is powered by an energy harvesting module based on Thermoelectric Generators, which converts the heat dissipation from the servers. Starting from the empirical characterization of the energy harvester, we present a power conditioning circuit optimized for the specific application. The whole system has been enhanced with several sensors. An ultra-low-power micro-controller stacked over the energy harvesting provides an efficient power management. Performance have been assessed and compared with the analytical model for validation. View Full-Text
Keywords: TEGs; energy harvesting; batteryless WSN TEGs; energy harvesting; batteryless WSN

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Brunelli, D.; Passerone, R.; Rizzon, L.; Rossi, M.; Sartori, D. Self-Powered WSN for Distributed Data Center Monitoring. Sensors 2016, 16, 57.

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