An Integrative Approach to Enhance Load Forecasting Accuracy in Power Systems based on Multivariate Feature Selection and Selective Stacking Ensemble Modeling
Energy,
Год журнала:
2025,
Номер
unknown, С. 136337 - 136337
Опубликована: Апрель 1, 2025
Язык: Английский
Predicting Residential Energy Consumption in South Africa Using Ensemble Models
Applied Computational Intelligence and Soft Computing,
Год журнала:
2025,
Номер
2025(1)
Опубликована: Янв. 1, 2025
This
study
presents
ensemble
machine
learning
(ML)
models
for
predicting
residential
energy
consumption
in
South
Africa.
By
combining
the
best
features
of
individual
ML
models,
reduce
drawbacks
each
model
and
improve
prediction
accuracy.
We
present
four
models:
by
averaging
(EA),
stacking
estimator
(ESE),
boosting
(EB),
voting
(EVE).
These
are
built
on
top
Random
Forest
(RF)
Decision
Tree
(DT).
base
predictor
leverage
historical
patterns
to
capture
temporal
intricacies,
including
seasonal
variations
rolling
averages.
In
addition,
we
employed
feature
engineering
methodologies
further
enhance
their
predictive
abilities.
The
accuracy
was
evaluated
assessing
various
performance
indicators,
mean
squared
error
(MSE),
absolute
(MAE),
percentage
(MAPE),
coefficient
determination
R
2
.
Overall,
findings
illustrate
efficiency
providing
accurate
predictions
consumption.
provides
valuable
insights
researchers
practitioners
buildings
benefits
using
building
research
domains.
Язык: Английский
Applications of Explainable Artificial Intelligence (XAI) and interpretable Artificial Intelligence (AI) in smart buildings and energy savings in buildings: A systematic review
Journal of Building Engineering,
Год журнала:
2025,
Номер
unknown, С. 112542 - 112542
Опубликована: Апрель 1, 2025
Язык: Английский
Performance Evaluation of Machine Learning Models for Predicting Energy Consumption and Occupant Dissatisfaction in Buildings
Buildings,
Год журнала:
2024,
Номер
15(1), С. 39 - 39
Опубликована: Дек. 26, 2024
This
study
evaluates
the
performance
of
15
machine
learning
models
for
predicting
energy
consumption
(30–100
kWh/m2·year)
and
occupant
dissatisfaction
(Percentage
Dissatisfied,
PPD:
6–90%),
key
metrics
optimizing
building
performance.
Ten
evaluation
metrics,
including
Mean
Absolute
Error
(MAE,
average
prediction
error),
Root
Squared
(RMSE,
penalizing
large
errors),
coefficient
determination
(R2,
variance
explained
by
model),
are
used.
XGBoost
achieves
highest
accuracy,
with
an
MAE
1.55
kWh/m2·year
a
PPD
3.14%,
alongside
R2
values
0.99
0.97,
respectively.
While
these
highlight
XGBoost’s
superiority,
its
margin
improvement
over
LightGBM
(energy
MAE:
2.35
kWh/m2·year,
3.89%)
is
context-dependent,
suggesting
application
in
high-precision
scenarios.
ANN
excelled
at
predictions,
achieving
lowest
(1.55%)
Percentage
(MAPE:
4.97%),
demonstrating
ability
to
model
complex
nonlinear
relationships.
modeling
advantage
contrasts
LightGBM’s
balance
speed
making
it
suitable
computationally
constrained
tasks.
In
contrast,
traditional
like
linear
regression
KNN
exhibit
high
errors
(e.g.,
17.56
17.89%),
underscoring
their
limitations
respect
capturing
complexities
datasets.
The
results
indicate
that
advanced
methods
particularly
effective
owing
intricate
relationships
manage
high-dimensional
data.
Future
research
should
validate
findings
diverse
real-world
datasets,
those
representing
varying
types
climates.
Hybrid
combining
interpretability
precision
ensemble
or
neural
be
explored.
Additionally,
integrating
techniques
digital
twin
platforms
could
address
real-time
optimization
challenges,
dynamic
behavior
time-dependent
consumption.
Язык: Английский