High-Accuracy Photovoltaic Power Prediction under Varying Meteorological Conditions: Enhanced and Improved Beluga Whale Optimization Extreme Learning Machine
Wei Du,
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Shitao Peng,
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Peisen Wu
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et al.
Energies,
Journal Year:
2024,
Volume and Issue:
17(10), P. 2309 - 2309
Published: May 10, 2024
Accurate
photovoltaic
(PV)
power
prediction
plays
a
crucial
role
in
promoting
energy
structure
transformation
and
reducing
greenhouse
gas
emissions.
This
study
aims
to
improve
the
accuracy
of
PV
generation
prediction.
Extreme
learning
machine
(ELM)
was
used
as
core
model,
enhanced
improved
beluga
whale
optimization
(EIBWO)
proposed
optimize
internal
parameters
ELM,
thereby
improving
its
for
generation.
Firstly,
this
introduced
chaotic
mapping
strategy,
sine
dynamic
adaptive
factor,
disturbance
strategy
optimization,
EIBWO
with
high
convergence
strong
ability.
It
verified
through
standard
testing
functions
that
performed
better
than
comparative
algorithms.
Secondly,
ELM
establish
model
based
on
algorithm–optimization
extreme
(EIBWO-ELM).
Finally,
measured
data
output
were
verification,
results
show
EIBWO-ELM
more
accurate
regardless
whether
it
cloudy
or
sunny.
The
R2
exceeded
0.99,
highlighting
efficient
ability
adapt
is
models.
Compared
existing
models,
significantly
improves
predictive
reliability
economic
benefits
not
only
provides
technological
foundation
intelligent
systems
but
also
contributes
sustainable
development
clean
energy.
Language: Английский
AMBWO: An Augmented Multi-Strategy Beluga Whale Optimization for Numerical Optimization Problems
Guoping You,
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Zhong Lu,
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Zhipeng Qiu
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et al.
Biomimetics,
Journal Year:
2024,
Volume and Issue:
9(12), P. 727 - 727
Published: Nov. 28, 2024
Beluga
whale
optimization
(BWO)
is
a
swarm-based
metaheuristic
algorithm
inspired
by
the
group
behavior
of
beluga
whales.
BWO
suffers
from
drawbacks
such
as
an
insufficient
exploration
capability
and
tendency
to
fall
into
local
optima.
To
address
these
shortcomings,
this
paper
proposes
augmented
multi-strategy
(AMBWO).
The
adaptive
population
learning
strategy
proposed
improve
global
BWO.
introduction
roulette
equilibrium
selection
allows
have
more
reference
points
choose
among
during
exploitation
phase,
which
enhances
flexibility
algorithm.
In
addition,
avoidance
improves
algorithm’s
ability
escape
optima
enriches
quality.
order
validate
performance
AMBWO,
extensive
evaluation
comparisons
with
other
state-of-the-art
improved
algorithms
were
conducted
on
CEC2017
CEC2022
test
sets.
Statistical
tests,
convergence
analysis,
stability
analysis
show
that
AMBWO
exhibits
superior
overall
performance.
Finally,
applicability
superiority
was
further
verified
several
engineering
problems.
Language: Английский