NDLI: Capacitive Load Effects on a Magnetostrictive Fully <newline/>Coupled Energy Harvesting Device

Content Provider	IEEE Xplore Digital Library
Author	Davino, D. Giustiniani, A. Visone, C.
Copyright Year	1965
Abstract	Vibration energy harvesting is a promising method to feed ultra-low power devices as wireless sensors, mems, etc. The accuracy of the design of the harvesting device, and then the harvested power, strongly depends on the modeling quality of the magnetostrictive relationships and on the device modeling in general. A further important issue is the optimization of the converted power with respect to the frequency of the vibration source, which is critical for low frequencies. The use of a capacitor in the electric circuit allows more harvested power at low frequencies and open the possibility of power optimizing stages. This analysis could be reliably carried out only in connection to a sufficiently realistic modeling of the employed material. Aim of the paper is therefore to study, by the definition of a simple nonlinear model, the effects of the capacitive load and of the mechanical source on the power conversion performances of the device. Several numerical examples are presented and discussed.
Sponsorship	IEEE Magnetics Society
Starting Page	4108
Ending Page	4111
Page Count	4
File Size	398758
File Format	PDF
ISSN	00189464
Volume Number	45
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic devices Magnetostriction Magnetostrictive devices Couplings Vibrations Frequency conversion Feeds Wireless sensor networks Magnetic sensors Capacitors mechanical modeling Energy conversion magnetostriction
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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