bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 2, 2024
Abstract
This
paper
introduces
the
conceptualization
and
implementation
of
a
sea
wave
piezoelectric
energy
harvesting
system
designed
for
self-powered
IoT
buoy
sensor,
tailored
remote
monitoring
water
quality
variables
in
fish
farming.
The
developed
autonomous
undertakes
periodic
measurements
temperature,
pH,
dissolved
oxygen,
with
gathered
data
transmitted
locally
through
low-power
wide-area
network
protocol
to
gateway.
gateway
is
intricately
connected
cloud
service,
facilitating
efficient
storage
visualization.
At
heart
this
innovation
lies
novel
design
capable
harnessing
from
surface
waves.
proposed
comprises
two
pivotal
components:
an
transfer
mechanism
responsible
capturing
incident
fin
serving
as
transducer.
Extensive
analysis
patterns
spanning
nearly
25
years
informs
process.
Subsequently,
prototype
meticulously
crafted,
fabricated,
rigorously
tested
controlled
environment,
showcasing
promising
results.
outcome
tool
poised
revolutionize
farming
scenarios
by
enabling
seamless,
automatic
acquisition,
storage.
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(10), P. 105018 - 105018
Published: Sept. 2, 2024
Abstract
Wave
energy
is
a
widespread
clean
source,
but
harvesting
low-frequency
wave
efficiently
remains
challenge.
In
this
paper,
frequency-increasing
piezoelectric
harvester
(FPWEH)
based
on
gear
mechanism
and
magnetic
rotor
proposed.
The
transforms
the
vertical
motion
of
into
higher-frequency
rotational
rotor.
equipped
with
several
rotating
magnets
one
revolution
enables
multiple
excitations
cantilevers.
Therefore,
excitation
frequency
increased,
so
that
FPWEH
can
obtain
better
output
performance.
major
factors
influencing
performance
are
determined
through
theoretical
simulation
analysis,
test
system
to
simulate
environment
established.
According
experimental
findings,
generate
an
voltage
69.82
V
maximum
power
28.33
mW
when
external
resistance
20
kΩ.
It
also
successfully
thermohygrometer
light-emitting
diodes.
These
results
validate
feasibility
for
providing
electricity
electronics
low
requirements.
This
research
offers
novel
approach
energy.
Energy Conversion and Management X,
Journal Year:
2023,
Volume and Issue:
20, P. 100463 - 100463
Published: Sept. 30, 2023
This
study
developed
a
sequential
rotary-driven
piezoelectric
wave
energy
harvester
(SRD-PWEH),
comprising
cylindrical
buoy,
sequential-drive
rotating
mechanism
based
on
pair
of
one-way
bearings,
and
rotary
harvesting
component.
The
component
was
circumferentially
arranged
composite
cantilever
beam
array.
bearings
converted
the
repetitive
motion
an
input
shaft
into
unidirectional
rotational
without
reverse
rotation
to
drive
Considering
that
process
is
kind
noncontact-driven,
it
can
effectively
reduce
risk
damage
structure.
SRD-PWEH
tested
in
flume
under
two
amplitudes
five
periods.
Results
showed
experimental
condition
amplitude
period
75
mm
0.9
s,
respectively,
achieved
highest
electrical
power.
root-mean-square
voltage
maximum
average
power
with
fault
diagnosis
rate
filter
circuit
were
2.46
V
0.49
mW,
respectively.
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(12), P. 123001 - 123001
Published: Oct. 25, 2024
Abstract
Vibration-based
energy
harvesting
technology
is
a
well-established
research
area
that
has
attracted
tremendous
interest
over
the
last
decade.
This
primarily
owing
to
its
extension
into
wide
range
of
engineering
domains,
particularly
in
microelectromechanical
systems.
The
cantilever
beam
most
common
and
widely
used
model
for
vibration-based
harvester,
driven
by
two
key
factors:
(a)
simplicity
design,
(b)
high
output
power
density.
Numerous
studies
years
have
focused
on
optimizing
design
increase
capacity
and/or
widen
frequency
bandwidth
harvester.
While
researchers
proposed
plethora
configurations
specific
purposes
(e.g.
low-frequency
harvesting,
multi-directional
etc),
there
notable
lack
detailed
literature
types
beams.
gap
hinders
from
gaining
comprehensive
understanding
beams
already
introduced.
Following
need,
this
article
review
made
list
years.
covers
working
principles
piezoelectric
analyses
existing
solutions
geared
towards
increasing
widening
frequency,
discusses
diverse
including
single
multiple
setups.
listed
are
categorized
based
their
structural
shape
organization
such
it
can
be
helpful
reader
anticipate
which
suitable
need.
Power
operating
every
also
presented
tabular
form,
under
each
category.
would
enable
tailor
designs
applications,
enhance
material
efficiency,
drive
innovation,
open
new
application
possibilities.
Abstract
The
study
is
highly
relevant
as
ocean
waves
hold
significant
potential
for
producing
electricity.
Improvements
in
production,
usage
and
rectification
of
research
errors
are
crucial
meeting
the
energy
demands
diverse
consumers.
aim
this
work
to
put
forward
recommendations
eliminating
design
implementation
wave
conversion
systems,
specifically
offshore
power
plants,
analyze
their
performance.
Various
methods
were
employed,
including
analytical
method,
classification
functional
statistical
synthesis
others.
During
study,
characteristics
differences
observed,
along
with
an
analysis
that
can
occur
during
operation
plants
designed
production
associated
causes.
Uncertainties
affecting
development
these
stations
identified,
sea
resource
was
examined.
Recommendations
enhanced
regulation
forward.
practicality
lies
applying
identified
findings
rectify
use
waves.
This
guarantees
reliable
by
considering
various
factors
assists
recommending
optimal
resources.
