AIMS Mathematics,
Journal Year:
2024,
Volume and Issue:
9(10), P. 26916 - 26950
Published: Jan. 1, 2024
<p>Accurate
prediction
of
sewage
flow
is
crucial
for
optimizing
treatment
processes,
cutting
down
energy
consumption,
and
reducing
pollution
incidents.
Current
models,
including
traditional
statistical
models
machine
learning
have
limited
performance
when
handling
nonlinear
high-noise
data.
Although
deep
excel
in
time
series
prediction,
they
still
face
challenges
such
as
computational
complexity,
overfitting,
poor
practical
applications.
Accordingly,
this
study
proposed
a
combined
model
based
on
an
improved
sparrow
search
algorithm
(SSA),
convolutional
neural
network
(CNN),
transformer,
bidirectional
long
short-term
memory
(BiLSTM)
prediction.
Specifically,
the
CNN
part
was
responsible
extracting
local
features
from
series,
Transformer
captured
global
dependencies
using
attention
mechanism,
BiLSTM
performed
temporal
processing
features.
The
SSA
optimized
model's
hyperparameters
to
improve
accuracy
generalization
capability.
validated
dataset
actual
plant.
Experimental
results
showed
that
introduced
mechanism
significantly
enhanced
ability
handle
data,
effectively
hyperparameter
selection,
improving
training
efficiency.
After
introducing
SSA,
CNN,
modules,
$
{R^{\text{2}}}
increased
by
0.18744,
RMSE
(root
mean
square
error)
decreased
114.93,
MAE
(mean
absolute
86.67.
difference
between
predicted
peak/trough
monitored
within
3.6%
appearance
2.5
minutes
away
time.
By
employing
multi-model
fusion
approach,
achieved
efficient
accurate
highlighting
potential
application
prospects
field
treatment.</p>
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 22, 2025
As
the
energy
crisis
environmental
concerns
rise,
harnessing
renewable
sources
like
photovoltaics
(PV)
is
critical
for
sustainable
development.
However,
seasonal
variability
and
random
intermittency
of
solar
power
pose
significant
forecasting
challenges,
threatening
grid
stability.
Therefore,
this
paper
proposes
a
novel
hybrid
method,
NCPO-ELM,
to
adequately
capture
spatial
temporal
dependencies
within
meteorological
data
crucial
accurate
predictions.
To
effectively
optimize
performance
Extreme
Learning
Machine
(ELM),
Normal
Cloud
Parrot
Optimization
(NCPO)
algorithm
developed,
inspired
by
Pyrrhura
Molinae
parrots'
flock
behavior
cloud
model
theory.
NCPO
integrates
five
unique
search
strategies
utilizes
structure
explore
exploit.
By
introducing
normal
generate
samples
with
specific
distributions,
enhances
solution
space
coverage.
subsequently
employed
Single-Layer
Feedforward
Network
(SLFN)
hidden
layer
hyperparameters,
yielding
optimal
weights
biases
output
layer,
thereby
reducing
benchmark
ELM's
sensitivity
noise
instability
from
initialization.
The
actual
results
PV
stations
across
different
regions
demonstrate
that
proposed
NCPO-ELM
shows
superior
prediction
accuracy
compared
existing
approaches,
particularly
time
series
diverse
characteristics
variations.
Energy and AI,
Journal Year:
2024,
Volume and Issue:
16, P. 100371 - 100371
Published: April 17, 2024
This
paper
proposes
an
integration
of
recent
metaheuristic
algorithm
namely
Evolutionary
Mating
Algorithm
(EMA)
in
optimizing
the
weights
and
biases
deep
neural
networks
(DNN)
for
forecasting
solar
power
generation.
The
study
employs
a
Feed
Forward
Neural
Network
(FFNN)
to
forecast
AC
output
using
real
plant
measurements
spanning
34-day
period,
recorded
at
15-minute
intervals.
intricate
nonlinear
relationship
between
irradiation,
ambient
temperature,
module
temperature
is
captured
accurate
prediction.
Additionally,
conducts
comprehensive
comparison
with
established
algorithms,
including
Differential
Evolution
(DE-DNN),
Barnacles
Optimizer
(BMO-DNN),
Particle
Swarm
Optimization
(PSO-DNN),
Harmony
Search
(HSA-DNN),
DNN
Adaptive
Moment
Estimation
optimizer
(ADAM)
Nonlinear
AutoRegressive
eXogenous
inputs
(NARX).
experimental
results
distinctly
highlight
exceptional
performance
EMA-DNN
by
attaining
lowest
Root
Mean
Squared
Error
(RMSE)
during
testing.
contribution
not
only
advances
methodologies
but
also
underscores
potential
merging
algorithms
contemporary
improved
accuracy
reliability.
Processes,
Journal Year:
2024,
Volume and Issue:
12(5), P. 898 - 898
Published: April 28, 2024
Gas
concentration
monitoring
is
an
effective
method
for
predicting
gas
disasters
in
mines.
In
response
to
the
shortcomings
of
low
efficiency
and
accuracy
conventional
prediction,
a
new
prediction
based
on
Particle
Swarm
Optimization
Long
Short-Term
Memory
Network
(PSO-LSTM)
proposed.
First,
principle
PSO-LSTM
fusion
model
analyzed,
analysis
constructed.
Second,
data
are
normalized
preprocessed.
The
PSO
algorithm
utilized
optimize
training
set
LSTM
model,
facilitating
selection
model.
Finally,
MAE,
RMSE,
coefficient
determination
R2
evaluation
indicators
proposed
verify
analyze
results.
comparison
verification
research
was
conducted
using
measured
mine
as
sample
data.
experimental
results
show
that:
(1)
maximum
RMSE
predicted
0.0029,
minimum
0.0010
when
size
changes.
This
verifies
reliability
effect
(2)
predictive
performance
all
models
ranks
follows:
>
SVR-LSTM
PSO-GRU.
Comparative
with
demonstrates
that
more
concentration,
further
confirming
superiority
this
prediction.
Energies,
Journal Year:
2024,
Volume and Issue:
17(18), P. 4739 - 4739
Published: Sept. 23, 2024
Photovoltaic
(PV)
power
generation
is
highly
stochastic
and
intermittent,
which
poses
a
challenge
to
the
planning
operation
of
existing
systems.
To
enhance
accuracy
PV
prediction
ensure
safe
system,
novel
approach
based
on
seasonal
division
periodic
attention
mechanism
(PAM)
for
proposed.
First,
dataset
divided
into
three
components
trend,
period,
residual
under
fuzzy
c-means
clustering
(FCM)
decomposition
(SD)
method
according
four
seasons.
Three
independent
bidirectional
long
short-term
memory
(BiLTSM)
networks
are
constructed
these
subsequences.
Then,
network
optimized
using
improved
Newton–Raphson
genetic
algorithm
(NRGA),
innovative
PAM
added
focus
characteristics
data.
Finally,
results
each
component
summarized
obtain
final
results.
A
case
study
Australian
DKASC
Alice
Spring
plant
demonstrates
performance
proposed
approach.
Compared
with
other
paper
models,
MAE,
RMSE,
MAPE
evaluation
indexes
show
that
has
excellent
in
predicting
output
stability.
Transmisi Jurnal Ilmiah Teknik Elektro,
Journal Year:
2025,
Volume and Issue:
1(1), P. 20 - 32
Published: Jan. 31, 2025
Pembangkit
Listrik
Tenaga
Surya
(PLTS)
menjadi
salah
satu
solusi
utama
dalam
pemanfaatan
energi
terbarukan.
Namun,
tantangan
hal
pemantauan,
perawatan,
dan
optimasi
kinerja
PLTS
masih
isu
yang
perlu
diatasi.
Artikel
ini
mengeksplorasi
peran
smart
system
berbasis
Internet
of
Things
(IoT),
kecerdasan
buatan
(AI),
machine
learning
(ML)
meningkatkan
efisiensi
operasional
PLTS.
Melalui
systematic
literature
review,
penelitian
mengidentifikasi
berbagai
metode
teknologi
telah
digunakan
untuk
deteksi,
prediksi,
Hasil
menunjukkan
bahwa
mampu
pemantauan
hingga
95%,
prediksi
kerusakan
110,8%,
output
130%
dibanding
dengan
pendekatan
manual-konvensional.
Penggunaan
memberikan
efektif
menghadapi
jangka
panjangnya.
Temuan
menawarkan
panduan
praktis
rekomendasi
pengembangan
lebih
lanjut
pengelolaan
cerdas.
Transmisi Jurnal Ilmiah Teknik Elektro,
Journal Year:
2025,
Volume and Issue:
27(1), P. 20 - 32
Published: Jan. 31, 2025
Pembangkit
Listrik
Tenaga
Surya
(PLTS)
menjadi
salah
satu
solusi
utama
dalam
pemanfaatan
energi
terbarukan.
Namun,
tantangan
hal
pemantauan,
perawatan,
dan
optimasi
kinerja
PLTS
masih
isu
yang
perlu
diatasi.
Artikel
ini
mengeksplorasi
peran
smart
system
berbasis
Internet
of
Things
(IoT),
kecerdasan
buatan
(AI),
machine
learning
(ML)
meningkatkan
efisiensi
operasional
PLTS.
Melalui
systematic
literature
review,
penelitian
mengidentifikasi
berbagai
metode
teknologi
telah
digunakan
untuk
deteksi,
prediksi,
Hasil
menunjukkan
bahwa
mampu
pemantauan
hingga
95%,
prediksi
kerusakan
110,8%,
output
130%
dibanding
dengan
pendekatan
manual-konvensional.
Penggunaan
memberikan
efektif
menghadapi
jangka
panjangnya.
Temuan
menawarkan
panduan
praktis
rekomendasi
pengembangan
lebih
lanjut
pengelolaan
cerdas.