Egyptian Informatics Journal,
Journal Year:
2023,
Volume and Issue:
25, P. 100424 - 100424
Published: Dec. 8, 2023
In
the
realm
of
customized
manufacturing,
production
cycles
are
often
compressed
to
capture
market
opportunities
swiftly.
The
blanking
system
stands
as
inaugural
and
pivotal
phase
in
large
equipment
manufacturing.
This
study
abstracts
a
novel
problem
from
real-world
systems,
distributed
unrelated
parallel
machine
scheduling
with
heterogeneous
factories
order
priorities
(DUPMS-HP).
presented
work
formulates
bi-objective
DUPMS-HP,
aiming
minimize
both
total
weighted
tardiness
workload
gap
each
machine.
A
learning-based
two-phase
cooperative
optimizer
(LCTPO)
is
introduced
address
this
NP-hard
problem,
featuring:
i)
evolutionary
algorithm
during
first
stage
for
global
search
ensure
diversity;
ii)
incorporation
five
problem-specific
local
strategies
balance
priority
due
date
constraints.
Additionally,
reinforcement
learning
applied
learn
select
best
neighborhood
operator
elite
solution,
further
enhancing
diversity.
effectiveness
proposed
validated
through
comparative
analysis
state-of-the-art
algorithms
on
20
instances.
Experimental
results
affirm
that
LCTPO
more
adept
at
solving
DUPMS-HP
compared
alternative
algorithms.
Complex & Intelligent Systems,
Journal Year:
2024,
Volume and Issue:
10(3), P. 3459 - 3471
Published: Feb. 10, 2024
Abstract
This
research
is
focused
on
addressing
the
energy-aware
distributed
heterogeneous
welding
shop
scheduling
(EADHWS)
problem.
Our
primary
objectives
are
to
minimize
maximum
finish
time
and
total
energy
consumption.
To
accomplish
this,
we
introduce
a
learning-based
cooperative
competitive
multi-objective
optimization
method,
which
refer
as
LCCMO.
We
begin
by
presenting
multi-rule
initialization
approach
create
population
that
combines
strong
convergence
diversity.
diverse
forms
foundation
for
our
process.
Next,
develop
multi-level
global
search
strategy
explores
effective
genes
within
solutions
from
different
angles
sub-problems.
enhances
optimal
solutions.
Moreover,
design
competition
cooperation
populations
expedite
convergence.
encourages
exchange
of
information
ideas
among
populations,
thereby
accelerating
progress.
also
multi-operator
local
technique,
investigates
elite
various
directions,
leading
improved
In
addition,
integrate
Q-learning
into
swarm
optimizer
explore
regions
objective
space,
enhancing
diversity
archive.
guides
selection
operators
small-size
population,
contributing
more
efficient
optimization.
evaluate
effectiveness
LCCMO,
conduct
numerical
experiments
20
instances.
The
experimental
results
unequivocally
demonstrate
LCCMO
outperforms
six
state-of-the-art
algorithms.
underscores
potential
learning
knowledge-driven
evolutionary
framework
in
performance
autonomy
when
it
comes
solving
EADHWS.
Egyptian Informatics Journal,
Journal Year:
2023,
Volume and Issue:
25, P. 100424 - 100424
Published: Dec. 8, 2023
In
the
realm
of
customized
manufacturing,
production
cycles
are
often
compressed
to
capture
market
opportunities
swiftly.
The
blanking
system
stands
as
inaugural
and
pivotal
phase
in
large
equipment
manufacturing.
This
study
abstracts
a
novel
problem
from
real-world
systems,
distributed
unrelated
parallel
machine
scheduling
with
heterogeneous
factories
order
priorities
(DUPMS-HP).
presented
work
formulates
bi-objective
DUPMS-HP,
aiming
minimize
both
total
weighted
tardiness
workload
gap
each
machine.
A
learning-based
two-phase
cooperative
optimizer
(LCTPO)
is
introduced
address
this
NP-hard
problem,
featuring:
i)
evolutionary
algorithm
during
first
stage
for
global
search
ensure
diversity;
ii)
incorporation
five
problem-specific
local
strategies
balance
priority
due
date
constraints.
Additionally,
reinforcement
learning
applied
learn
select
best
neighborhood
operator
elite
solution,
further
enhancing
diversity.
effectiveness
proposed
validated
through
comparative
analysis
state-of-the-art
algorithms
on
20
instances.
Experimental
results
affirm
that
LCTPO
more
adept
at
solving
DUPMS-HP
compared
alternative
algorithms.