Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 8, 2024
Abstract
This
paper
proposes
an
innovative
approach
to
improve
the
performance
of
grid-connected
photovoltaic
(PV)
systems
operating
in
environments
with
variable
atmospheric
conditions.
The
dynamic
nature
parameters
poses
challenges
for
traditional
control
methods,
leading
reduced
PV
system
efficiency
and
reliability.
To
address
this
issue,
we
introduce
a
novel
integration
fuzzy
logic
sliding
mode
methodologies.
Fuzzy
enables
effectively
handle
imprecise
uncertain
data,
allowing
decision-making
based
on
qualitative
inputs
expert
knowledge.
Sliding
control,
known
its
robustness
against
disturbances
uncertainties,
ensures
stability
responsiveness
under
varying
Through
these
methodologies,
our
proposed
offers
comprehensive
solution
complexities
posed
by
real-world
dynamics.
We
anticipate
applications
across
various
geographical
locations
climates.
By
harnessing
synergistic
benefits
promises
significantly
enhance
reliability
presence
On
grid
side,
both
PSO
(Particle
Swarm
Optimization)
GA
(Genetic
Algorithm)
algorithms
were
employed
tune
current
controller
PI
(Proportional-Integral)
(inverter
control).
Simulation
results,
conducted
using
MATLAB
Simulink,
demonstrate
effectiveness
hybrid
MPPT
technique
optimizing
system.
exhibits
superior
tracking
efficiency,
achieving
convergence
time
0.06
s
99.86%,
less
oscillation
than
classical
methods.
comparison
other
techniques
highlights
advantages
approach,
including
higher
faster
response
times.
simulation
outcomes
are
analyzed
strategies
sides
(the
array
side).
Both
offer
effective
methods
tuning
controller.
According
considered
IEEE
standards
low-voltage
networks,
total
harmonic
distortion
values
(THD)
obtained
considerably
high
(8.33%
10.63%,
algorithms,
respectively).
Comparative
analyses
terms
stability,
rapid
changes.
Processes,
Journal Year:
2025,
Volume and Issue:
13(2), P. 509 - 509
Published: Feb. 12, 2025
The
reverse
polarity
biocathode
culture
(RPBC)
is
a
technology
for
the
rapid
preparation
of
biocathodes,
which
quickly
enrich
electroactive
bacteria
(EAB)
in
microbial
fuel
cell
(MFC)
anode
and
then
transform
electrode
function
from
bioanode
to
by
reversing
bioelectrode
polarity.
However,
mechanism
RPBC
still
unclear,
methods
regulate
performance
ensure
long-term
stability
cultured
biocathodes
have
not
been
established.
This
study
investigated
correlation
between
electrogenic
target
reducing
EAB,
two
aspects:
energy
supply
formation
composite
biofilm.
results
showed
that
provided
EAB
through
interspecies
electron
transfer.
process
could
be
regulated
changing
potential
substrate
concentration
obtain
an
optimized
biocathode.
In
addition,
forms
biofilm
significantly
improves
enrichment
efficiency
amount
(compared
with
direct
culture,
respectively,
shortening
time
80%,
increasing
electroactivity
12.4
times,
nitrate
degradation
rate
4.85
times).
provides
insights
into
regulating
maintaining
RPBC-cultured
biocathodes.
