Implementation of Global Navigation Satellite Systems in Railway Traffic Control Systems: Overview of Navigation Systems, Application Areas, and Implementation Plans
Applied Sciences,
Год журнала:
2025,
Номер
15(1), С. 356 - 356
Опубликована: Янв. 2, 2025
This
article
characterizes
and
presents
Global
Navigation
Satellite
Systems
in
relation
to
rail
transportation
applications.
Due
the
review
character
of
this
article,
a
synthesis
literature
discussing
issues
related
possibility
implementing
satellite
positioning
systems
framework
their
use
management
control
railway
traffic
was
made.
On
basis
review,
area
potential
implementation
identified,
as
well
assumptions
regarding
architecture
such
being
defined,
along
with
definition
criteria
for
assessing
impact
on
safety.
The
purpose
above
is
direct
development
guidance
that
enable
precise
localization
vehicles,
thereby
optimizing
infrastructure
through
efficient
cost-effective
systems.
goes
characterize
existing
future
directions
new
constellations.
last
twenty
years
scientific
publications
subject
research
Based
state
art
results
analysis,
it
determined
most
frequently
mentioned
European
Train
Control
System,
functionality
which
enables
process
based
so-called
moving
block
spacing.
current
knowledge
will
those
responsible
modern
direction
traffic.
Язык: Английский
Innovation Adaptive UKF Train Location Method Based on Kinematic Constraints
Electronics,
Год журнала:
2024,
Номер
13(19), С. 3958 - 3958
Опубликована: Окт. 8, 2024
To
address
the
issue
of
reduced
positioning
accuracy
caused
by
satellite
signal
interruptions
when
trains
pass
through
long
tunnels,
a
novel
train
method
based
on
an
innovative
adaptive
unscented
Kalman
filter
(UKF)
under
kinematic
constraints
is
proposed.
This
aims
to
improve
location
during
operation.
By
considering
dynamic
characteristics
train,
kinematic-constrained
inertial
navigation
system
(INS)/odometer
(ODO)
combination
established.
utilizes
correct
accumulated
errors
INS.
Additionally,
algorithm
incorporates
real-time
estimation
measurement
noise
covariance
using
innovation
sequences.
The
updated
applied
within
UKF
framework
for
nonlinear
filtering,
forming
algorithm.
At
each
time
step,
difference
between
ODO
sensor
data
and
INS
output
used
as
input
algorithm,
enabling
global
estimation.
process
ultimately
yields
actual
result
train.
Simulation
results
demonstrate
that
method,
incorporating
constraints,
effectively
mitigates
impact
interruptions.
Compared
with
traditional
INS/ODO
reduces
position
34.35%
speed
36.33%.
Overall,
this
enhances
accuracy,
minimizes
errors,
meets
requirements
modern
systems.
Язык: Английский
Study of Tunnel Vehicle GNSS/INS/OD Combination Position Based on Lateral Distance Measurement and Lane Constraint
Опубликована: Апрель 8, 2024
High-precision
dynamic
positioning
of
highway
vehicles
is
the
foundation
and
prerequisite
for
achieving
intelligent
connected
transportation.
For
shortcomings
GNSS/INS
combination
GNSS/INS/OD
in
tunnel
vehicle
positioning,
this
paper
proposes
a
vehi-cle
method
based
on
lateral
distance
measurement
lane
constraint.
Firstly,
inside
conducted
laser
radar
point
cloud
data.
Secondly,
map
matching
performed
measurement,
odometer,
markings.
Experimental
results
demonstrate
that
4.6
km
tunnel,
average
absolute
error
0.294
meters,
longitudinal
no
more
than
0.6
which
can
effectively
meet
practical
operational
requirements.
Язык: Английский
Study of Tunnel Vehicle GNSS/INS/OD Combination Position Based on Lateral Distance Measurement and Lane Line Constraint
Applied Sciences,
Год журнала:
2024,
Номер
14(10), С. 4309 - 4309
Опубликована: Май 19, 2024
The
high-precision
dynamic
positioning
of
highway
vehicles
is
the
foundation
and
prerequisite
for
achieving
intelligent
connected
transportation.
To
address
shortcomings
GNSS/INS
combination
GNSS/INS/OD
in
tunnel
vehicle
positioning,
this
paper
proposes
a
method
based
on
lateral
distance
measurements
lane
constraints.
Firstly,
measurement
inside
conducted
laser
radar
point
cloud
data.
Secondly,
map
matching
performed
measurements,
odometer,
markings.
Experimental
results
demonstrate
that,
4.6
km
tunnel,
average
absolute
error
0.294
m,
longitudinal
no
more
than
0.6
which
can
effectively
meet
practical
operational
requirements.
Язык: Английский