This
paper
aims
to
harvest
the
wasted
structural
mechanical
vibrations
and
convert
them
functioning
power
operate
sensors
in
remote
inaccessible
locations
for
health
monitoring
purposes.
The
proposed
sensing
device
is
a
uniform
simply
supported
composite-piezoelectric
beam.
energy
effectiveness
of
earthquake-induced
presented.
sensor
can
be
employed
transmit
important
information
like
vibrations.
analytical
modelling
presented
based
on
Euler-Bernoulli's
theory.
results
are
then
numerically
verified
using
FEM
results.
MATLAB
simulate
COMSOL
multi-physics
model
device.
Energy Reports,
Journal Year:
2023,
Volume and Issue:
9, P. 4306 - 4324
Published: March 22, 2023
This
review
article
provides
a
detailed
overview
of
the
advanced
applications
piezoelectric
material
in
electrochemical
processes.
Energy
harvesting,
potential
topic,
aims
to
transform
ambient
energy
sources,
including
heat,
light,
and
mechanical
motion,
into
useful
that
would
otherwise
be
wasted.
focuses
on
an
innovative
developing
field
intends
connect-directly
energy-harvesting
devices
materials
systems.
To
regulate
processes
presence
materials,
reactions
are
dominantly
influenced
by
produced
electric
charge
under
stress.
In
detail,
electrochemistry
involved
for
dye
degradation,
hydrogen
production,
self-charging
power
cells,
nanogenerator
water
splitting
is
discussed
umbrella
piezocatalysis.
A
very
focused
data
presented
piezo
hybrid
systems
from
future
perspective
current
enhancement
induced
internal
effect
also
highlighted.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 18, 2024
Abstract
Many
electrical
devices
can
be
powered
and
operated
by
harvesting
the
wasted
energy
of
surroundings.
This
research
aims
to
overcome
challenges
output
power
with
a
sharp
peak,
small
bandwidth,
huge
dimensions
piezoelectric
harvesters
relative
power.
The
aforementioned
motivated
us
investigate
effect
nonlinearity
in
shape
(tapered
straight
cross-section
area)
as
well
fixation
method
(the
number
fastened
ends)
determine
optimal
design
high
wide
working
frequency.
proposes
novel
harvester
array,
where
each
beam
is
made
up
three
fixed
beams
that
are
joined
together
center
mass.
proposed
produces
an
35
mW
between
25
40
Hz.
3.24
times
more
than
conventional
designs.
recommended
approach
simulated
utilizing
finite
element
analysis
FEA.
Analytical
experimental
methods
validate
FEA,
which
exhibits
excellent
agreement.
Ain Shams Engineering Journal,
Journal Year:
2023,
Volume and Issue:
15(3), P. 102461 - 102461
Published: Aug. 27, 2023
This
paper
introduces
a
model
of
sound
energy
harvesting
that
operates
at
low
frequency
less
than
200
Hz.
investigation
focuses
on
the
produced
outcomes
when
vibrations
are
converted
into
electricity.
Sound
received
from
outside
sources
and
pass
through
piezoelectric
barrier
(wall)
equipped
with
4*3
array
elements
lead
zirconate
titanate
(PZT-5H)
cantilever
plates
which
constructed
to
harvest
noise
in
form
passing
trains
vehicles
roads.
covers
how
change
electrical
two
pressure
levels
(85
dB
100
for
environmental
road
railways,
respectively).
Furthermore,
effects
changing
level
generated
voltage
intended
have
been
studied
as
well
increasing
plate
number
85
level.
The
simulation
is
conducted
numerically
using
Finite
Element
Method
FEM
(COMSOL).
An
analytical
literature
used
simulated
MATLAB
be
compared
results
found
completely
converged.
Afterward,
figure
out
relationship
between
level,
an
equation
derived
analytically.
According
results,
15
V
18.2
incoming
acoustic
dB,
respectively.
Two
models
compared,
beams
similar
dimensions
single
beam
volume
equals
all
beams;
it
observed
33.9
%
more
same
volume.
comparison
proposed
experimental
exhibited
excellent
convergence.
Microsystem Technologies,
Journal Year:
2023,
Volume and Issue:
29(5), P. 729 - 743
Published: March 29, 2023
Abstract
A
small
amount
of
natural
frequency
deviation
extremely
decreases
the
output
power.
So,
a
multi-mass
single
harvester
(bending
harvester)
was
utilized
to
enlarge
bandwidth
frequency.
We
constructed
three
models
study
effect
increasing
concentrated
masses
on
used
Finite
Element
Metho
(FEM
(COMSOL
model
and
simulate
models.
Moreover,
we
an
L-shaped
with
compare
rectangular
masses.
The
results
prove
that
number
increases
power
broadband
indicate
cantilever
gives
more
than
L-
shaped
for
same
volume.
Also,
our
research
studied
parameter
effects
This
found
increase
in
beam
length
mass
height
while
piezoelectric
thickness
damping
ratio
validated
proposed
through
comparison
others’
preceding
experimental
it
showed
good
agreement.
high
width/length
larger
wideband
Energies,
Journal Year:
2023,
Volume and Issue:
16(8), P. 3357 - 3357
Published: April 11, 2023
Comprising
a
total
of
seven
articles
divided
into
five
research
articles,
one
review
article,
and
editorial
this
Special
Issue
is
dedicated
to
new
techniques
for
piezoelectric
energy
harvesting
its
design,
optimization,
applications,
analysis
[...]
Journal of Engineered Fibers and Fabrics,
Journal Year:
2023,
Volume and Issue:
18
Published: Jan. 1, 2023
As
a
new
preparation
process
of
nanofibers,
electrospinning
technology
developed
by
bionic
spider
spinning
can
further
improve
the
molecular
structure
and
mechanical
properties
obtain
nanofibers
base
membrane
products
with
better
properties.
The
needs
minimal
energy
consumption
though
it
has
very
long
liquid
transport
tube.
Because
silk
high
wide
industrial
applications,
so
kind
biomimetic
which
harnessed
spiral-needle
was
proposed.
Then
poly(lactic
acid)PLA/graphite
oxide(GO)/dopamine
(DA)
nanofiber
fabricated
technology.
results
showed
that
compared
pure
PLA
membranes,
average
pore
size
PLA/GO
porous
membranes
decreased,
total
number
pores
increased,
fracture
strength
elongation
at
break
increased.
At
same
time,
spun
were
also
more
uniform.
distribution
dense
after
adding
DA,
while
even.
After
greatly
increased
similar
to
nanofiber.
obtained
oxidative
polymerization
DA
into
poly(dopamine)
(PDA),
layer
attached
surface
performance
PLA/GO/PDA
prepared
based
on
PLA/GO/DA
superior
its
adsorption
rate
24
h
as
98.81%.
Journal of Engineered Fibers and Fabrics,
Journal Year:
2023,
Volume and Issue:
18
Published: Jan. 1, 2023
In
this
paper,
we
combine
electrospinning
with
laminar
flow
theory
to
verify
the
influence
of
spinning
needle
length
on
internal
structure
PVDF
(polyvinylidene
fluoride)
nanofibers.
The
long
is
referred
as
a
reference
like
ducts
in
body
spiders.
We
also
discussed
effect
different
micro-morphology,
mechanical
properties,
electrical
porosity,
and
hydrophobic
properties
nanofiber
membranes.
results
showed
that
when
increased,
more
macromolecular
chains
will
have
sufficient
time
be
straightened
aligned,
resulting
an
increasingly
ordered
prepared
has
certain
morphology,
membrane
obtained
by
electrospinning.
nanofibers,
worse
membrane’s
but
lower
its
resistivity.
مجلة العلوم الهندسية و تكنولوجيا المعلومات,
Journal Year:
2023,
Volume and Issue:
7(3), P. 54 - 67
Published: Sept. 28, 2023
The
integration
of
artificial
intelligence
(AI)
techniques
in
civil
engineering
programs
and
drawing
has
the
potential
to
revolutionize
industry.
This
study
explores
benefits,
challenges,
strategies
for
effective
utilization
AI
engineering.
research
investigates
current
state
integration,
examines
its
applications
structural
analysis,
design,
documentation,
project
management,
identifies
barriers
hindering
widespread
adoption.
highlights
importance
data-driven
decision-making,
enhanced
design
visualization,
improved
accuracy
efficiency,
streamlined
documentation
communication,
management
control.
By
addressing
challenges
providing
insights
into
techniques,
this
aims
bridge
gap
between
theoretical
practical
implementation,
paving
way
more
sustainable
intelligent
projects.
INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT,
Journal Year:
2024,
Volume and Issue:
08(07), P. 1 - 15
Published: July 30, 2024
The
process
of
turning
the
environment's
discarded
vibrational
energy
into
useful
electrical
is
known
as
harvesting.
approach
vibration
collecting
selected
because
it
can
be
used
to
develop
devices
that
are
smaller
and
more
effective.
Piezoelectric
Energy
Harvesters
(PEHs)
preferred
over
other
forms
including
electrostatic,
electromagnetic,
piezoelectric
ones
their
versatility
adaptability.
Lead
zirconate
titanate,
or
PZT-5H,
most
widely
material.
It
for
its
power
generating
efficiency
versatility.
analysis
indicates
time
needed
determine
proper
dimensions
harvester
planned
devices.
By
applying
optimisation
approaches,
design
factors
optimised,
contributing
significantly
system's
increased
efficacy.
PEH's
parameters
optimised
through
application
techniques
Genetic
Algorithm
(GA),
Grey
Wolf
Optimisation
(GWO),
GWO-based
GA
(GWO-GA).
Keywords—
Harvesting,
(PEH),
Optimization
etc.
