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Sensors 2017, 17(4), 877; doi:10.3390/s17040877

Out-of-Plane Continuous Electrostatic Micro-Power Generators

1
Department of Electrical and Computer Engineering, Ain Shams University, 1156 Cairo, Egypt
2
Department of Systems Design Engineering, University of Waterloo, Waterloo, N2L 3G1 ON, Canada
3
Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, N2L 3G1 ON, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 15 March 2017 / Revised: 10 April 2017 / Accepted: 11 April 2017 / Published: 16 April 2017
(This article belongs to the Special Issue MEMS and Nano-Sensors)

Abstract

This paper presents an out-of-plane electrostatic micro-power generator (MPG). Electret-based continuous MPGs with different gaps and masses are fabricated to demonstrate the merits of this topology. Experimental results of the MPG demonstrate output power of 1 mW for a base acceleration amplitude and frequency of 0.08 g and 86 Hz. The MPGs also demonstrate a wideband harvesting bandwidth reaching up to 9 Hz. A free-flight and an impact mode model of electrostatic MPGs are also derived and validated by comparison to experimental results. View Full-Text
Keywords: micro-power generators; electrostatic; out-of-plane; wideband micro-power generators; electrostatic; out-of-plane; wideband
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mahmoud, M.A.E.; Abdel-Rahman, E.M.; Mansour, R.R.; El-Saadany, E.F. Out-of-Plane Continuous Electrostatic Micro-Power Generators. Sensors 2017, 17, 877.

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