Grey Systems Theory and Application,
Journal Year:
2024,
Volume and Issue:
14(4), P. 812 - 829
Published: Aug. 28, 2024
Purpose
This
paper
aims
to
optimize
the
air
pressure
regulation
scheme
of
aeroengine
test
bench.
Design/methodology/approach
Based
on
requirements
process
and
operating
mechanism
bench,
a
grey
performance
evaluation
index
system
is
constructed.
The
combination
principal
component
analysis
theory
employed
assign
weights
indexes.
target
model
introduced
evaluate
historical
processes,
results
are
analyzed
derive
optimization
for
regulating
schemes.
Findings
A
case
study
based
monitoring
data
from
nearly
300
processes
verifies
feasibility
proposed
method.
On
one
hand,
improved
method
can
achieve
rational
weighting
other
comparison
intuitively
shows
that
performs
better.
Originality/value
bench
fundamental
technical
equipment
in
aviation
industry,
serving
development
testing
aircraft
engines.
Due
complex
composition,
flow
adjustment
heavily
rely
manual
experience,
leading
issues
such
as
slow
speed
insufficient
accuracy.
proposes
which
draw
knowledge
provide
guidance
benches,
ultimately
goal
reducing
costs.
Frontiers in Earth Science,
Journal Year:
2025,
Volume and Issue:
13
Published: April 9, 2025
The
deformation
and
instability
of
embankment
slope
is
one
the
common
engineering
diseases
in
highway
engineering.
After
disaster
occurs,
it
easy
to
cause
huge
economic
losses
casualties.
Therefore,
great
significance
value
carry
out
stability
evaluation
for
improving
quality
ensuring
safety
con-struction.
In
view
this,
this
paper
took
super-high
fill
project
8th
section
Cangrong
Expressway
Rongxian
County,
Guangxi,
China
as
research
object.
Firstly,
a
set
three-level
evaluating
indicator
system
GRS(granite
residual
soil)
including
1
target
layer,
4
criterion
layers
23
was
proposed,
qualitative
quantitative
framework
established.
Then,
GT
(Game
Theory)
used
combine
sovereignty
weight
AHP
(Analytic
Hierarchy
Process)
objective
EWM
(Entropy
Weight
Method)
obtain
more
compre-hensive
combination
value.
Finally,
combined
with
weight,
ultra-high
evaluated.
results
showed
that
basically
stable,
landslide
ac-cidents
might
occur
during
construction
process.
according
relevant
param-eters
proposed
design
methods
prevention
control
measures
anti-slide
retaining
wall,
subgrade
cement
mixing
pile,
dynamic
com-paction
reinforcement
geogrid
were
put
forward
from
three
aspects
drainage,
means
soil
reinforcement.
above
treatment
improve
short-term
anti-sliding
ability
long-term
under
unfavorable
conditions.
So
far,
have
been
proved
be
effective,
no
accident
has
occurred
after
completed.
can
provide
reference
similar
projects
such
high
slope.
