A robust control scheme for optimized pitch angle estimation of offshore wind turbine under varied climatic conditions using Osprey algorithm
Measurement,
Год журнала:
2025,
Номер
unknown, С. 117122 - 117122
Опубликована: Фев. 1, 2025
Язык: Английский
Fractional order ANFIS controllers for LFC in RES integrated three-area power system
Journal of Electrical Systems and Information Technology,
Год журнала:
2025,
Номер
12(1)
Опубликована: Март 26, 2025
Abstract
The
existing
adaptive
neuro-fuzzy
inference
system
(ANFIS)
for
load
frequency
control
in
multi-area
power
systems
has
two
inputs
consisting
of
area
error
(ACE)
and
its
integer
order
derivative.
A
recently
proposed
ANFIS
added
another
input
integral
the
ACE.
In
this
paper,
controllers
with
fractional
derivative
ACE
ACE,
referred
to
as
(FO-ANFIS)
are
used
instead
improve
performance
controllers.
FO-ANFIS
training
dataset
is
obtained
from
a
cascaded
PI-fractional
PID
filters
(FOPI-FOPIDN)
tuned
by
particle
swarm
optimization
variant
called
dynamic
inertia
weight
acceleration
coefficient
algorithm.
2-input
3-input
FO-ANFIS,
tested
on
three-area
integrated
renewable
energy
sources.
results
compared
those
their
(IO-AFIS)
counterparts
FOPI-FOPIDN
which
data
was
using
overshoot,
undershoot,
settling
time,
steady-state
tie-line
responses
well
time
absolute
values.
Their
real-world
applicability
validated
incorporating
communication
delay
governor
dead
band
one
four
experimental
scenarios
evaluation.
Robustness
parameter
uncertainty
further
assessed
through
variation
±
25%.
From
results,
controller
emerges
best
performing
between
followed
controller.
Язык: Английский
Midspan Deflection Prediction of Long-Span Cable-Stayed Bridge Based on DIWPSO-SVM Algorithm
Applied Sciences,
Год журнала:
2025,
Номер
15(10), С. 5581 - 5581
Опубликована: Май 16, 2025
With
the
increasing
emphasis
on
safety
and
longevity
of
large-span
cable-stayed
bridges,
accurate
prediction
midspan
deflection
has
become
a
critical
aspect
structural
health
monitoring
(SHM).
This
study
proposes
novel
hybrid
model,
DIWPSO-SVM,
which
integrates
dynamic
inertia
weight
particle
swarm
optimization
(DIWPSO)
with
support
vector
machines
(SVMs)
to
enhance
accuracy
deflection.
The
model
incorporates
wavelet
transform
decompose
signals
into
temperature
vehicle
load
effects,
allowing
for
more
detailed
analysis
their
individual
impacts.
DIWPSO
algorithm
dynamically
adjusts
balance
global
exploration
local
exploitation,
optimizing
SVM
parameters
improved
performance.
proposed
was
validated
using
real-world
data
from
long-span
bridge,
demonstrating
superior
compared
traditional
PSO-SVM
models.
DIWPSO-SVM
achieved
an
average
error
1.43
mm
root-mean-square
(RMSE)
2.05,
significantly
outperforming
original
had
5.29
RMSE
5.62.
These
results
highlight
effectiveness
in
providing
reliable
predictions,
offering
robust
tool
bridge
maintenance
decision-making.
Язык: Английский