Cognitive Method for Synthesising a Fuzzy Controller Mathematical Model Using a Genetic Algorithm for Tuning
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
Язык: Английский
Helicopters Turboshaft Engines Neural Network Modeling under Sensor Failure
Journal of Sensor and Actuator Networks,
Год журнала:
2024,
Номер
13(5), С. 66 - 66
Опубликована: Окт. 10, 2024
This
article
discusses
the
development
of
an
enhanced
monitoring
and
control
system
for
helicopter
turboshaft
engines
during
flight
operations,
leveraging
advanced
neural
network
techniques.
The
research
involves
a
comprehensive
mathematical
model
that
effectively
simulates
various
failure
scenarios,
including
single
cascading
failure,
such
as
disconnections
gas-generator
rotor
sensors.
employs
differential
equations
to
incorporate
time-varying
coefficients
account
external
disturbances,
ensuring
accurate
representation
engine
behavior
under
different
operational
conditions.
study
validates
NARX
architecture
with
backpropagation
training
algorithm,
achieving
99.3%
accuracy
in
fault
detection.
A
comparative
analysis
genetic
algorithms
indicates
proposed
algorithm
outperforms
others
by
4.19%
exhibits
superior
performance
metrics,
lower
loss.
Hardware-in-the-loop
simulations
Matlab
Simulink
confirm
effectiveness
model,
showing
average
errors
1.04%
2.58%
at
15
°C
24
°C,
respectively,
high
precision
(0.987),
recall
(1.0),
F1-score
(0.993),
AUC
0.874.
However,
model’s
is
sensitive
environmental
conditions,
further
optimization
needed
improve
computational
efficiency
generalizability.
Future
should
focus
on
enhancing
adaptability
validating
real-world
scenarios.
Язык: Английский
Method of Helicopter Turboshaft Engines’ Protection During Surge in Starting Mode
Energies,
Год журнала:
2025,
Номер
18(1), С. 168 - 168
Опубликована: Янв. 3, 2025
This
article
proposes
a
mathematical
model
for
protecting
helicopter
turboshaft
engines
from
surges,
starting
with
fuel
metering
supply
and
maintaining
stable
compressor
operation.
The
includes
several
stages:
first,
is
supplied
according
to
specified
program;
second,
an
unstable
operation
signal
determined
based
on
the
gas
temperature
in
front
of
turbine
generator
rotor
speed
derivatives
ratio;
at
third
stage,
when
ratios’
threshold
value
exceeded,
stopped,
ignition
system
turned
on.
Then,
restored
reduced
consumption,
corrected,
followed
by
return
regular
neural
network
implementing
this
method
consists
layers,
including
calculation,
comparison
threshold,
correction
consumption
speed.
input
data
are
A
instability
generated
if
ratio
exceed
value,
which
leads
adjustment
regulation
28…32%.
backpropagation
algorithm
hyperparameter
optimization
via
Bayesian
was
used
train
network.
computational
experiments
result
TV3-117
engine
semi-naturalistic
simulation
stand
showed
that
proposed
effectively
prevents
surge
stabilizing
pressure,
vibration,
reduces
29.7%
under
start-up
conditions.
Neural
quality
metrics
such
as
accuracy
(0.995),
precision
(0.989),
recall
(1.0),
F1-score
(0.995)
indicate
high
efficiency
method.
Язык: Английский
Analysis of direct traffic at the transport protocol level in the WiMax-1/2 cluster oriented to offload the smart city's wireless ecosystem
Royal Society Open Science,
Год журнала:
2024,
Номер
11(7)
Опубликована: Июль 1, 2024
Rerouting
of
direct
information
traffic
under
the
WiMax-1/2
technology
control
in
case
licensed
frequency
spectrum
overload
ensures
communication
continuity
smart
city's
critical
infrastructure.
The
support
such
a
process
cluster
has
its
specificity,
worthy
analytical
formalization.
article
presents
mathematical
apparatus
that
allows
average
service
duration
an
message
during
transfer
from
terminal
to
base
station
be
estimated.
Unlike
analogues,
presented
concept
adequately
describes
investigated
for
any
number
terminals,
taking
into
account
both
queuing
effect
on
their
side
and
functioning
cumulative
query
transmission
mechanism
inherent
technology.
Therefore,
proposed
apparatus,
describing
servicing
message,
takes
accompanied
by
potential
collisions
sending
request
allocation
resources
station,
message's
stay
queue.
Experimental
studies
demonstrated
adequacy
process.
experimental
section
also
formulates
optimization
problem
resulting
management
competitive
access
parameters.
Язык: Английский
Reliably Controlling Massive Traffic between a Sensor Network End Internet of Things Device Environment and a Hub Using Transmission Control Protocol Mechanisms
Electronics,
Год журнала:
2023,
Номер
12(24), С. 4920 - 4920
Опубликована: Дек. 6, 2023
The
constant
growth
of
Internet
Things
traffic
is
ensured
by
the
ongoing
evolution
hierarchy
all
hardware
links
sensor
networks.
At
same
time,
implementation
Edge
computing
ideology
regulates
complexity
“first-mile”
section
(from
sensors
array
to
peripheral
server).
Here,
authors
suggest
paying
attention
growing
share
massive
from
target
in
total
array.
This
circumstance
makes
it
expedient
introduce
an
additional
link
server
for
summarizing
sensors.
present
a
network
end
IoT
device
(SNEIoTD),
implemented
grounded
on
reliable
and
cheap
Raspberry
Pi
platform,
as
such
link.
introduction
this
SNEIoTD
possible
reduce
probability
information
loss
critical
infrastructure
smart
city
increase
flexibility
controlling
first
mile.
In
context,
urgent
task
control
transfer
environment
hub,
which
formalize
based
Transmission
Control
Protocol
(TCP).
article
proposes
mathematical
model
interaction
main
mechanisms
TCP
form
queuing
system.
As
part
model,
semi-Markov
process
with
unified
speed
selected
its
stationary
distribution
analytically
formalized.
A
computationally
efficient
technology
determining
Window
Size
formulated,
taking
into
account
control.
Using
example
Westwood+
protocol
modification,
shown
that
results
application
permit
increases
stability
data
under
circumstances
increasing
Round-Trip
Times.
Язык: Английский
Assessment of Communication Resource Allocation by the Transmission Control Protocol for the Target Virtual Connection under Competitive Conditions
Electronics,
Год журнала:
2024,
Номер
13(7), С. 1180 - 1180
Опубликована: Март 22, 2024
The
mathematical
framework
presented
in
this
article
focuses
on
the
controlled-transmission
protocol’s
asynchronous
process
of
bandwidth
allocation
for
target
virtual
connection
implemented
under
competition
communication
resources.
studied
is
formalized
as
a
two-dimensional
discrete
Markovian
chain,
taking
into
account
distributions
queue
lengths
TCP
data
fragments
from
competing
client
nodes.
Such
chain
describes
dynamics
filling
stack
transmitted
but
unacknowledged
investigated
end
device.
Distributions
states
were
found
various
ratios
virtual-connection
bandwidth,
transmission-protocol
parameters,
and
communication-channel
characteristics.
Analytical
dependencies
computing
performance
different
operating
modes
obtained.
results
experiments
conducted
based
obtained
analytical
constructions
showed
that
with
selective
repeat
mode
mainly
determined
by
data-loss
intensity,
size
distribution
transit
nodes,
ratio
between
protocol
window
route
length.
Язык: Английский