Mathematics,
Journal Year:
2022,
Volume and Issue:
10(13), P. 2234 - 2234
Published: June 26, 2022
With
the
development
of
Internet
and
big
data,
more
consumer
behavior
data
are
used
in
different
forecasting
problems,
which
greatly
improve
performance
prediction.
As
main
travel
tool,
sales
automobiles
will
change
with
variations
market
external
environment.
Accurate
prediction
automobile
can
not
only
help
dealers
adjust
their
marketing
plans
dynamically
but
also
economy
transportation
sector
make
policy
decisions.
The
is
a
product
high
value
involvement,
its
purchase
decision
be
affected
by
own
attributes,
economy,
other
factors.
Furthermore,
sample
have
characteristics
various
sources,
great
complexity
large
volatility.
Therefore,
this
paper
uses
Support
Vector
Regression
(SVR)
model,
has
global
optimization,
simple
structure,
strong
generalization
abilities
suitable
for
multi-dimensional,
small
to
predict
monthly
automobiles.
In
addition,
parameters
optimized
Grey
Wolf
Optimizer
(GWO)
algorithm
accuracy.
First,
grey
correlation
analysis
method
analyze
determine
factors
that
affect
sales.
Second,
it
build
GWO-SVR
model.
Third,
experimental
carried
out
using
from
Suteng
Kaluola
Chinese
car
segment,
proposed
model
compared
four
commonly
methods.
results
show
best
mean
absolute
percentage
error
(MAPE)
root
square
(RMSE).
Finally,
some
management
implications
put
forward
reference.
Engineering Applications of Artificial Intelligence,
Journal Year:
2023,
Volume and Issue:
123, P. 106239 - 106239
Published: April 11, 2023
Considering
the
importance
of
energy
management
strategy
for
hybrid
electric
vehicles,
this
paper
is
aiming
at
addressing
optimization
control
issue
using
reinforcement
learning
algorithms.
Firstly,
establishes
a
vehicle
power
system
model.
Secondly,
hierarchical
architecture
based
on
networked
information
designed,
and
traffic
signal
timing
model
used
target
speed
range
planning
in
upper
system.
More
specifically,
optimal
optimized
by
predictive
algorithm.
Thirdly,
mathematical
variation
connected
unconnected
states
established
to
analyze
effect
fuel
economy.
Finally,
three
learning-based
strategies,
namely
Q-learning,
deep
Q
network
(DQN),
deterministic
policy
gradient
(DDPG)
algorithms,
are
designed
under
architecture.
It
shown
that
Q-learning
algorithm
able
optimize
control;
however,
agent
will
meet
"dimension
disaster"
once
it
faces
high-dimensional
state
space
issue.
Then,
DQN
introduced
address
problem.
Due
limitation
discrete
output
DQN,
DDPG
put
forward
achieve
continuous
action
control.
In
simulation,
superiority
over
algorithms
vehicles
illustrated
terms
its
robustness
faster
convergence
better
purposes.