Optimizing AVR system performance via a novel cascaded RPIDD2-FOPI controller and QWGBO approach
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(5), P. e0299009 - e0299009
Published: May 28, 2024
Maintaining
stable
voltage
levels
is
essential
for
power
systems’
efficiency
and
reliability.
Voltage
fluctuations
during
load
changes
can
lead
to
equipment
damage
costly
disruptions.
Automatic
regulators
(AVRs)
are
traditionally
used
address
this
issue,
regulating
generator
terminal
voltage.
Despite
progress
in
control
methodologies,
challenges
persist,
including
robustness
response
time
limitations.
Therefore,
study
introduces
a
novel
approach
AVR
control,
aiming
enhance
efficiency.
A
custom
optimizer,
the
quadratic
wavelet-enhanced
gradient-based
optimization
(QWGBO)
algorithm,
developed.
QWGBO
refines
(GBO)
by
introducing
exploration
exploitation
improvements.
The
algorithm
integrates
interpolation
mutation
wavelet
strategy
search
Extensive
tests
using
benchmark
functions
demonstrate
QWGBO’s
effectiveness
optimization.
Comparative
assessments
against
existing
algorithms
recent
techniques
confirm
superior
performance.
In
coupled
with
cascaded
real
proportional-integral-derivative
second
order
derivative
(RPIDD
2
)
fractional-order
proportional-integral
(FOPI)
controller,
precision,
stability,
quick
response.
algorithm’s
performance
verified
through
rigorous
simulations,
emphasizing
its
optimizing
complex
engineering
problems.
analyses
highlight
superiority
over
algorithms,
positioning
it
as
promising
solution
system
contributing
advancement
of
robust
efficient
systems.
Language: Английский
Enhancing load frequency control and automatic voltage regulation in Interconnected power systems using the Walrus optimization algorithm
Ark Dev,
No information about this author
Kunalkumar Bhatt,
No information about this author
Bappa Mondal
No information about this author
et al.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 13, 2024
This
paper
introduces
the
Walrus
Optimization
Algorithm
(WaOA)
to
address
load
frequency
control
and
automatic
voltage
regulation
in
a
two-area
interconnected
power
systems.
The
are
critical
for
maintaining
quality
by
ensuring
stable
levels.
parameters
of
fractional
order
Proportional-Integral-Derivative
(FO-PID)
controller
optimized
using
WaOA,
inspired
social
foraging
behaviors
walruses,
which
inhabit
arctic
sub-arctic
regions.
proposed
method
demonstrates
faster
convergence
improved
tie-line
stabilization
compared
recent
optimization
algorithms
such
as
salp
swarm,
whale
optimization,
crayfish
secretary
bird
hippopotamus
brown
bear
teaching
learning
artificial
gorilla
troop
wild
horse
optimization.
MATLAB
simulations
show
that
WaOA-tuned
FO-PID
improves
approximately
25%,
exhibits
considerable
settling
time.
Bode
plot
analyses
confirm
stability
with
gain
margins
5.83
dB
9.61
dB,
phase
10.8
degrees
28.6
two
areas
respectively.
system
modeling
validation
showcases
superior
performance
reliability
enhancing
under
step,
random
step
disturbance,
nonlinearities
like
GDC
GDB,
parameter
variations.
Language: Английский
A Novel Salp Swarm Optimization Oriented 3-DOF-PIDA Controller Design for Automatic Voltage Regulator System
IEEE Access,
Journal Year:
2024,
Volume and Issue:
12, P. 20181 - 20196
Published: Jan. 1, 2024
Voltage
stability
is
critical
in
electrical
power
systems,
and
automatic
voltage
regulators
play
a
crucial
role
maintaining
levels
within
permissible
limits.
Due
to
their
simplicity
effectiveness,
traditional
Proportional-Integral-Derivative
(PID)
controllers
have
been
widely
used
regulation.
However,
they
may
not
always
perform
optimally
complex
under
varying
operating
conditions
external
disturbances.
This
research
introduces
an
integrated
approach
of
employing
3-degrees
freedom-PID-Acceleration
(3-DOF-PIDA)
controller
coupled
with
disturbance
observer-based
control
strategy.
combination
embedded
simple
but
effective
salp
swarm
optimisation
algorithm.
novel
the
combined
3-DOF-PIDA,
observer
will
enhance
regulation
system.
The
proposed
strategy
incorporates
acceleration
component
continuously
adjust
its
parameters
based
on
system
dynamics.
Simultaneously,
responsible
for
estimating
compensating
disturbances,
further
improving
system's
performance.
applied
optimise
both
PIDA
observer's
find
optimal
solutions
that
improve
rejection
capabilities.
results
are
established
by
performing
statistical
graphical
analysis
time-varying
step
load
fluctuations,
various
parameter
variations.
validated
comparisons
five
popular
optimization
algorithms
found
reviewed
literature.
investigations
demonstrate
this
new
provides
outstanding
performance,
presence
substantial
fluctuations
uncertainties.
Language: Английский
Designing a Filtered Proportional–Integral–Derivative Controller With Disturbance Rejection for a Nonideal Buck Converter Utilizing an Upgraded Genetic Algorithm and Pattern Search
Advanced Control for Applications,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Feb. 11, 2025
ABSTRACT
This
research
introduces
an
enhanced
metaheuristic
algorithm
named
GAPS,
a
combination
of
the
genetic
(GA)
with
tournament
selection
(TS)
and
pattern
search
(PS)
algorithm.
The
primary
objective
is
improving
GA's
capacity
for
exploring
exploiting
potential
solutions.
proposed
optimizes
Nonideal
buck
converter's
output
voltage
controlled
by
proportional–integral–derivative
(PID)
controller
added
low‐pass
filter
(PID‐N‐F).
carefully
designed,
incorporating
strategically
imposed
crossover
frequency
constraint
to
counteract
signal
noise
at
higher
frequencies.
approach
ensures
robust
performance
in
presence
various
disturbances.
algorithm's
effectiveness
evaluated
using
statistical
box
plots
comparing
convergence
rates
standard
GA
method.
It
also
compared
how
GAPS‐optimized
PID‐N‐F
performs
converter
relative
classical
pole
placement
(PP)
comprehensive
evaluation
covers
robustness
analysis,
transient
responses,
load
input
variation
as
disturbance
rejection.
results
indicate
that
GAPS‐based
system
better
than
GA‐
PP‐based
systems
aspects.
These
findings
affirm
system's
superior
stability,
efficiency,
alternatives.
Language: Английский
Intelligent control method for automatic voltage regulator: An improved coati optimization algorithm-based strategy
Shuangxi Liu,
No information about this author
Zehuai Lin,
No information about this author
Ruizhe Feng
No information about this author
et al.
Measurement,
Journal Year:
2025,
Volume and Issue:
unknown, P. 117263 - 117263
Published: March 1, 2025
Language: Английский
Rotor angle stability enhancement using DDPG reinforcement agent with Gorilla troops optimized input scaling factors
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 23, 2025
Abstract
This
paper
introduces
a
Reinforcement
Learning
(RL)-based
Power
System
Stabilizer
(PSS)
with
Deep
Deterministic
Policy
Gradient
(DDPG)
algorithm
for
rotor
angle
stability.
The
proposed
stabilizer
uses
scaled
values
of
the
generator’s
accelerating
power,
derivative
integration
and
generator
real
power
as
inputs.
DDPG
to
train
RL
agent.
Moreover,
further
enhance
PSS
performance,
scaling
factors
input
observations
are
optimized
using
Gorilla
Troops
Optimization
(GTO)
algorithm,
which
is
known
its
robustness,
fast
convergence.
Furthermore,
reward
considered
discrete
function
that
rewards
generators’
samples
when
they
below
defined
value.
tested
on
three
popular
case
studies:
Single
Machine
connected
an
Infinite
Bus
(SMIB),
Kundur’s
four-machine
system,
IEEE
39
bus
ten
machine
system.
performance
compared
common
PSSs:
Multiband
dw
speed-based
(MB-PSS),
lead-lag
(dw-PSS),
dPa
power-based
(dPa-PSS).
MATLAB
simulations
prove
performs
better
than
other
PSSs.
It
shows
higher
transient
stability
capability
even
long
duration
faults.
Language: Английский
Modeling and Control of Automatic Voltage Regulation for a Hydropower Plant Using Advanced Model Predictive Control
Global Energy Interconnection,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
A Novel Balanced Arithmetic Optimization Algorithm-Optimized Controller for Enhanced Voltage Regulation
Serdar Ekinci,
No information about this author
Haluk Çetin,
No information about this author
Davut İzci
No information about this author
et al.
Mathematics,
Journal Year:
2023,
Volume and Issue:
11(23), P. 4810 - 4810
Published: Nov. 28, 2023
This
work
introduces
an
innovative
approach
that
unites
a
PIDND2N2
controller
and
the
balanced
arithmetic
optimization
algorithm
(b-AOA)
to
enhance
stability
of
automatic
voltage
regulator
(AVR)
system.
The
controller,
tailored
for
precision,
stability,
responsiveness,
mitigates
limitations
conventional
methods.
b-AOA
optimizer
is
obtained
through
integration
pattern
search
elite
opposition-based
learning
strategies
into
algorithm.
optimizes
parameters
AVR
system’s
response,
harmonizing
exploration
exploitation.
Extensive
assessments,
including
evaluations
on
23
classical
benchmark
functions,
demonstrate
efficacy
b-AOA.
It
consistently
achieves
accurate
solutions,
exhibits
robustness
in
addressing
wide
range
problems,
stands
out
as
promising
choice
various
applications.
In
terms
system,
comparative
analyses
highlight
superiority
proposed
transient
response
characteristics,
with
shortest
rise
settling
times
zero
overshoot.
Additionally,
excels
frequency
ensuring
robust
broader
bandwidth.
Furthermore,
compared
state-of-the-art
control
methods
showcasing
impressive
performance.
These
results
underscore
significance
this
work,
setting
new
by
advancing
reliability
power
systems.
Language: Английский
Modeling and Control of Automatic Voltage Regulation for a Hydro-Power Plant Using Advanced Model Predictive Control
Published: Jan. 1, 2024
Fluctuating
voltage
levels
in
the
power
grid
necessitate
use
of
automatic
regulators
(AVRs)
to
maintain
stability.
This
study
focuses
on
modeling
and
controlling
an
AVR
a
hydroelectric
plant
using
Model
Predictive
Control
(MPC)
compares
it
with
optimal
PID
controller
designed
from
Artificial
Bee
Colony
(ABC).
A
comprehensive
mathematical
model
plant's
regulation
system
is
developed,
considering
dynamics.
The
MPC
approach
formulates
predictive
control
algorithm
optimize
actions,
minimizing
deviations
ensuring
ABC-PID
employs
ABC
automatically
tune
controller's
parameters,
adapting
changing
conditions.
Extensive
simulations
evaluate
frameworks,
comparing
performance,
disturbance
rejection,
load
change
response,
resilience
uncertainties.
Results
demonstrate
efficacy
both
approaches
for
precise
stable
operation.
exhibits
superior
accuracy
response
time,
showcasing
its
robustness
compared
recent
methods
systems.
controllers
are
implemented
Matlab/Simulink
software,
enhancing
performance.
research
represents
significant
advancement
engineers
pursuing
state-of-the-art
regulation.
Language: Английский