Symmetry,
Год журнала:
2024,
Номер
16(12), С. 1632 - 1632
Опубликована: Дек. 9, 2024
A
novel,
precise
disturbance
rejection
dynamic
inversion
control
algorithm
has
been
proposed.
In
the
high-order
surface
system,
an
innovative
approach
utilizes
a
monotonically
increasing
inverse
hyperbolic
sine
function
to
construct
extended
state
observer,
which
estimates
uncertain
functions
at
each
step.
The
monotonicity
of
simplifies
system
stability
analysis.
Additionally,
being
smooth
function,
it
avoids
disturbances
caused
by
piecewise
their
breakpoints
in
conventional
observer
construction,
thereby
enhancing
stability.
accurate
prediction
capability
new
improves
system’s
performance.
To
address
inherent
differential
explosion
phenomenon
traditional
schemes,
this
paper
ingeniously
employs
tracking
signal
as
substitute
for
filters,
thus
avoiding
that
may
occur
with
first-order
filters.
Finally,
comparative
simulations
were
conducted
validate
effectiveness
proposed
method.
results
show
both
and
controller
possess
high-gain
characteristics,
closed-loop
exhibits
fast
convergence
rate.
Symmetry,
Год журнала:
2025,
Номер
17(1), С. 143 - 143
Опубликована: Янв. 18, 2025
Memristives
provide
a
high
degree
of
non-linearity
to
the
model.
This
property
has
led
many
studies
focusing
on
developing
memristive
models
more
non-linearity.
article
novel
fractional
discrete
system
with
incommensurate
orders
using
ϑi-th
Caputo-like
operator.
Bifurcation,
phase
portraits
and
computation
maximum
Lyapunov
Exponent
(LEmax)
are
used
demonstrate
their
impact
system’s
dynamics.
Furthermore,
we
employ
sample
entropy
approach
(SampEn),
C0
complexity
0-1
test
quantify
validate
chaos
in
system.
Studies
indicate
that
manifests
diverse
dynamical
behaviors,
including
hidden
chaos,
symmetry,
asymmetry
attractors,
which
influenced
by
derivative
values.
Moreover,
2D
non-linear
controller
is
presented
stabilize
synchronize
The
work
results
provided
numerical
simulation
obtained
MATLAB
R2024a
codes.
Big Data and Cognitive Computing,
Год журнала:
2025,
Номер
9(1), С. 17 - 17
Опубликована: Янв. 20, 2025
In
this
article,
a
fuzzy
controller
mathematical
model
synthesising
method
that
uses
cognitive
computing
and
genetic
algorithm
for
automated
tuning
adaptation
to
changing
environmental
conditions
has
been
developed.
The
technique
consists
of
12
stages,
including
creating
the
control
objects’
coefficients
using
classical
methods.
research
pays
special
attention
error
parameters
their
derivative
fuzzification,
which
simplifies
development
logical
rules
helps
increase
stability
systems.
were
tuned
in
computational
experiment
based
on
helicopter
flight
data.
results
show
an
integral
quality
criterion
from
85.36
98.19%,
confirms
efficiency
by
12.83%.
use
made
it
possible
significantly
improve
turboshaft
engines’
gas-generator
rotor
speed
performance,
reducing
first
second
types
errors
2.06…12.58
times
compared
traditional
Fractal and Fractional,
Год журнала:
2024,
Номер
8(10), С. 606 - 606
Опубликована: Окт. 18, 2024
This
paper
presents
an
extensive
investigation
into
the
state
feedback
stabilization,
observer
design,
and
observer-based
controller
design
for
a
specific
category
of
nonlinear
Hadamard
fractional-order
systems.
The
research
extends
conventional
integer-order
derivative
to
derivative,
offering
more
universally
applicable
method
system
analysis.
Furthermore,
traditional
Lipschitz
condition
is
adapted
one-sided
condition,
broadening
range
systems
amenable
analysis
using
these
techniques.
efficacy
proposed
theoretical
findings
illustrated
through
several
numerical
examples.
For
instance,
in
Example
1,
we
select
order
r
=
0.8;
2,
set
0.9;
3,
0.95.
study
enhances
comprehension
regulation
systems,
setting
stage
future
explorations
this
domain.
PLoS ONE,
Год журнала:
2025,
Номер
20(6), С. e0324939 - e0324939
Опубликована: Июнь 4, 2025
Real-time
synchronization
for
the
servo
system
becomes
one
of
most
popular
themes
in
Industry
4.0
era.
Each
connected
agent
publishes
its
data
and
mutual
information
shared
protocol
while
host
station
plays
a
role
as
coordinator
among
them.
In
existing
works,
it
reveals
several
drawbacks
owing
to
low
adaptability
inestimable
redundancy.
Hence,
our
study
presents
novel
method
synchronize
between
slaves
by
using
modified
EtherCAT-based
Type-2
Fuzzy-Proportional-Integral
(mET2FuPI)
control
scheme.
To
serve
purpose,
custom
platform
EtherCAT
is
investigated
maintain
powerful
resource
both
exchange
theoretical
computation.
The
experimental
validations
including
three
node
stations
are
tested
measure
synchronized
performance.
From
these
results,
can
be
obviously
seen
that
approach
effective
feasible
deploy
real-world
applications.
