Hybrid physics and data-driven method for predicting existing tunnel lining deformation in twin tunnels construction
Computers and Geotechnics,
Год журнала:
2025,
Номер
179, С. 107019 - 107019
Опубликована: Янв. 10, 2025
Язык: Английский
Prediction of Member Forces of Steel Tubes on the Basis of a Sensor System with the Use of AI
Haiyu Li,
Heung‐Jin Chung
Sensors,
Год журнала:
2025,
Номер
25(3), С. 919 - 919
Опубликована: Фев. 3, 2025
The
rapid
development
of
AI
(artificial
intelligence),
sensor
technology,
high-speed
Internet,
and
cloud
computing
has
demonstrated
the
potential
data-driven
approaches
in
structural
health
monitoring
(SHM)
within
field
engineering.
Algorithms
based
on
machine
learning
(ML)
models
are
capable
discerning
intricate
behavioral
patterns
from
real-time
data
gathered
by
sensors,
thereby
offering
solutions
to
engineering
quandaries
mechanics
SHM.
This
study
presents
an
innovative
approach
a
fiber-reinforced
polymer
(FRP)
double-helix
system
for
prediction
forces
acting
steel
tube
members
offshore
wind
turbine
support
systems;
this
enables
system.
as
transitional
member
FRP
double
helix-sensor
were
initially
modeled
three
dimensions
using
ABAQUS
finite
element
software.
Subsequently,
obtained
analysis
(FEA)
inputted
into
fully
connected
neural
network
(FCNN)
model,
with
objective
establishing
nonlinear
mapping
relationship
between
inputs
(strain)
outputs
(reaction
force).
In
FCNN
impact
number
input
variables
model's
predictive
performance
is
examined
through
cross-comparison
different
combinations
positions
six
sets
variables.
And
evaluation
costs
strain
series
identified
further
optimization.
Furthermore,
variable
optimized
convolutional
(CNN)
resulting
optimal
that
achieved
accuracy
level
more
fewer
sensors.
not
only
improves
model
but
also
effectively
controls
cost.
was
evaluated
several
metrics,
including
R2,
MSE,
MAE,
SMAPE.
results
CNN
exhibited
notable
advantages
terms
fitting
computational
efficiency
when
confronted
limited
set.
To
provide
practical
applications,
interactive
graphical
user
interface
(GUI)-based
sensor-coupled
mechanical
tubes
developed.
engineers
predict
real
time,
enhancing
SHM
systems.
Язык: Английский
Prediction of disc cutter wear of shield machines based on transfer learning
Tunnelling and Underground Space Technology,
Год журнала:
2025,
Номер
162, С. 106633 - 106633
Опубликована: Апрель 14, 2025
Язык: Английский
A hybrid approach for modifying tunneling-induced response in existing multi-tunnel environment
Computers and Geotechnics,
Год журнала:
2024,
Номер
179, С. 106921 - 106921
Опубликована: Дек. 2, 2024
Язык: Английский
Multi-Fidelity Machine Learning for Identifying Thermal Insulation Integrity of Liquefied Natural Gas Storage Tanks
Wei Lin,
Meitao Zou,
Mingrui Zhao
и другие.
Applied Sciences,
Год журнала:
2024,
Номер
15(1), С. 33 - 33
Опубликована: Дек. 24, 2024
The
thermal
insulation
integrity
of
liquefied
natural
gas
storage
tanks
is
essential
for
their
life-cycle
safety.
However,
perlite
settlement
(insulation
material)
can
result
in
leaks
and
lead
to
engineering
risks.
direct
measurement
difficult
due
the
enclosed
structure
these
tanks.
To
address
this
challenge,
study
presents
a
data-driven
approach
based
on
machine
learning
real-time
monitoring
data.
This
proposes
multi-fidelity
framework
enhance
generalizability
leverage
data
effectively.
Low-fidelity
are
readily
available
but
contain
systematic
errors,
while
high-fidelity
accurate
limited
accessibility.
By
combining
both
types
data,
enhances
generalisability
prediction
accuracy
trained
models.
results
experiments
demonstrate
that
outperforms
models
solely
low-
or
achieving
coefficient
determination
0.980
root
mean
square
error
0.078
m.
Three
algorithms—Multilayer
Perceptron,
Random
Forest,
Extreme
Gradient
Boosting—were
evaluated
determine
optimal
implementation.
provides
reliable
method
tanks,
contributing
improved
industrial
safety
operational
efficiency.
Язык: Английский