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Proceedings Paper

Energy harvesting circuit for sensor system power supply
Author(s): P. Fiala; P. Drexler
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Paper Abstract

The paper presents two example approaches to energy harvesting. Mechanical energy harvesting system is based on vibrational minigenerator. Basic relations of its analytical model are given in order to obtain an idea about the operating conditions. Electromagnetic harvesting system is based on tuned resonant nano-structure. Its concepts allows impedance matching in order to operate in given frequency range. The matching properties are verified by means of numerical finite element analysis. For power management of vibration energy harvesting system several circuit design concepts are presented together with simulation results and basic properties comparison.

Paper Details

Date Published: 5 May 2011
PDF: 13 pages
Proc. SPIE 8066, Smart Sensors, Actuators, and MEMS V, 80661B (5 May 2011); doi: 10.1117/12.884768
Show Author Affiliations
P. Fiala, Brno Univ. of Technology (Czech Republic)
P. Drexler, Brno Univ. of Technology (Czech Republic)

Published in SPIE Proceedings Vol. 8066:
Smart Sensors, Actuators, and MEMS V
Ulrich Schmid; José Luis Sánchez-Rojas; Monika Leester-Schaedel, Editor(s)

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