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Energy Harvesting EnhancementofaPiezoelectric Converter
Youssef Kebatti, Hayet Souffi, M. Pyée
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Abstract
In this paper, we present the optimization
of
the
energy harvesting in the case of piezoelectric converter.
In fact,
t
he conversion of mechanical energy
from environmental
vibrations into electrical energy is a key p
oint for powering
sensor nodes,
toward the development of autonomous sensor
systems. Piezoelectric energy converters realized in a cantilever
configuration are the most studied for this purpos
e. In order to
improve the performances of the converter,
the polarization was
specially studied
with FEM simulations. A parametrized
mode
l
was
created
. The electrical energy
generated by the converter
under an applied
force
wa
s computed
.
The experimental
result
s
was
shown for ceramic PZT