Maintenance capacity planning, spare parts management, and maintenance scheduling: An overview
Elsevier eBooks,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
No-wait lines optimisation: a procedure based on scheduling enhanced by digital twin
Flexible Services and Manufacturing Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
The
no-wait
scheduling
problem
involves
planning
the
sequence
of
tasks
in
a
job
without
any
delay.
This
constraint
is
crucial
industries
where
production
interruptions
may
create
significant
inefficiencies
or
quality
issues.
paper
addresses
this
by
proposing
new
methodology
to
design
and
verify
work-cycle
related
layout,
focusing
on
both
job-shop
flow-shop
environments
finally
proving
its
efficiency
thanks
use
digital
twin
validate
process.
goal
optimisation
makespan
minimisation
it
achieved
through
application
timetabling
heuristic
method.
iterative
nature
proposed
model
allows
for
continuous
improvement
scheduling,
queue
reduction
verified
twin.
procedure
tested
real
galvanic
line
primary
aerospace
international
company;
results
show
that
guarantees
respect
times,
which
concur
increase
demand
satisfaction
company.
Language: Английский
A Novel DQN‐Based Hybrid Algorithm for Integrated Scheduling and Machine Maintenance in Dynamic Flexible Job Shops
Nanxing Chen,
No information about this author
Yong Chen,
No information about this author
Wenchao Yi
No information about this author
et al.
IET Collaborative Intelligent Manufacturing,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 1, 2025
ABSTRACT
This
paper
focuses
on
the
dynamic
flexible
job
shop
scheduling
problem
with
constrained
maintenance
resources
(DFJSP‐CMR),
a
pressing
challenge
in
modern
manufacturing
systems.
As
traditional
rigid
models
fall
short
meeting
demands
of
today's
production
environments,
there
is
growing
need
for
intelligent
approaches
that
can
seamlessly
integrate
and
planning
under
resource
limitations.
To
tackle
this
challenge,
we
propose
novel
hybrid
algorithm
aimed
at
minimising
makespan
while
addressing
machine
deterioration,
unexpected
failures
resources.
The
core
our
approach
deep
Q‐network
insertion
(DQN‐MI)
specifically
designed
efficient
scheduling.
features
5×3
action
space,
constructed
as
compound
rules,
along
reward
structure
balances
utilisation
efficiency
effective
operations.
Extensive
computational
experiments
conducted
diverse
instances
demonstrate
DQN‐MI
delivers
superior
performance,
further
validating
effectiveness
versatility
proposed
method
complex
challenges
maintaining
stability
reliability
research
contributes
to
advancement
by
presenting
robust
practical
solution
integrated
management
planning.
Language: Английский