Tethered Unmanned Aerial Vehicles—A Systematic Review
Robotics,
Год журнала:
2023,
Номер
12(4), С. 117 - 117
Опубликована: Авг. 14, 2023
In
recent
years,
there
has
been
a
remarkable
surge
in
the
development
and
research
of
tethered
aerial
systems,
thus
reflecting
growing
interest
their
diverse
applications.
Long-term
missions
involving
vehicles
present
significant
challenges
due
to
limitations
current
battery
solutions.
Tethered
can
circumvent
such
restrictions
by
receiving
power
from
an
element
on
ground
as
station
or
mobile
terrestrial
platform.
Unmanned
Aerial
Vehicles
(UAVs)
also
be
applied
load
transportation
achieved
single
multiple
UAVs.
This
paper
presents
comprehensive
systematic
literature
review,
with
special
focus
solutions
published
last
five
years
(2017–2022).
It
emphasizes
key
characteristics
that
are
capable
grouping
publications
application
scope,
propulsion
method,
energy
transfer
solution,
perception
sensors,
control
techniques
adopted.
The
search
was
performed
six
different
databases,
thereby
resulting
1172
unique
publications,
which
182
were
considered
for
inclusion
data
extraction
phase
this
review.
Among
various
aircraft
types,
multirotors
emerged
most
widely
used
category.
We
identified
variations
scope
UAVs,
leading
tailored
approaches
each
use
case,
fixed-wing
model
being
predominant
wind
generation
lighter-than-air
meteorology
field.
Notably,
classical
Proportional–Integral–Derivative
(PID)
scheme
methodology
across
surveyed
publications.
Regarding
techniques,
did
not
explicitly
describe
approach.
However,
among
those
did,
high-voltage
DC
preferred
solution.
summary,
review
provides
valuable
insights
into
state
showcasing
potential
robust
sustainable
alternative
address
associated
long-duration
transportation.
Язык: Английский
Design and experiment of a multimodal aerial aquatic vehicle with morphing wing and tilting rotors
Advances in Mechanical Engineering,
Год журнала:
2025,
Номер
17(2)
Опубликована: Фев. 1, 2025
Aerial
aquatic
vehicles
have
wide
prospects
in
scientific
and
industrial
fields
because
of
their
cross-domain
locomotion
ability.
To
improve
the
operation
capacity
aerial
vehicles,
a
novel
multimodal
hybrid
vehicle
was
proposed
this
paper.
The
combined
advantages
fixed-wing
aircraft
multirotor
aircraft.
Owing
to
special
morphing
wing
tilting
rotors
mechanism,
reconfigurable
adapt
variety
missions,
including
long
distance
flight,
vertical
take-off
landing,
underwater
locomotion.
structure
designed,
operating
method
different
modes
were
discussed.
Then
kinematic
dynamic
models
analyzed
terms
modes,
respectively.
attitude
control
allocation
algorithm
established
for
control.
Finally,
experiments
air
wing,
motion
conducted.
results
showed
that
performed
good
flight
stability
could
move
freely
underwater.
fold
expand
itself
resistance
reduction
long-distance
verified
feasibility
strategy.
Язык: Английский
Gotta Catch 'em All, Safely! Aerial-Deployed Soft Underwater Gripper
Опубликована: Апрель 14, 2024
Underwater
soft
grippers
exhibit
potential
for
applications
such
as
monitoring,
research,
and
object
retrieval.
However,
existing
underwater
gripping
techniques
frequently
cause
disturbances
to
ecosystems.
In
response
this
challenge,
we
present
a
novel
framework
comprising
lightweight
gripper
affixed
custom
submarine
pod
deployable
via
drone.
This
approach
minimizes
water
disturbance
enables
efficient
navigation
target
areas,
enhancing
overall
mission
effectiveness.
The
allows
motion
is
characterized
by
four
degrees
of
freedom.
It
provided
with
buoyancy
system,
two
pumps
differential
thrust
pitching.
system
adjustments
up
depth
6
meters,
well
in
the
plane.
3-fingered
manufactured
out
silicone
was
successfully
tested
on
objects
different
shapes
sizes,
demonstrating
maximum
pulling
force
8
N
when
underwater.
reliability
tank
tracking
its
attitude
energy
consumption
during
grasping
maneuvers.
also
accomplished
successful
lake,
where
it
deployed
hexacopter.
Overall,
integration
expands
operational
capabilities
grasping,
makes
missions
more
easy
automate,
causing
less
ecosystem.
Язык: Английский
Autonomous UAS-based Water Fluorescence Mapping and Targeted Sampling
Journal of Intelligent & Robotic Systems,
Год журнала:
2023,
Номер
108(2)
Опубликована: Июнь 1, 2023
Язык: Английский
Design and Rapid Prototyping of Deformable Rotors for Amphibious Navigation in Water and Air
Chengrong Du,
Dongbiao Zhao
Machines,
Год журнала:
2024,
Номер
12(12), С. 837 - 837
Опубликована: Ноя. 22, 2024
This
paper
aims
to
report
the
design
of
a
mechanism
drive
propeller
deform
between
an
aerial
and
one
aquatic
shape.
can
realize
deformation
blade
angle,
radius,
twist
angle
distribution
section
thickness.
Inspired
by
Kresling
origami
structure
utilizing
its
rotation-folding
motion
characteristics,
hub
with
variable
is
designed.
A
unit
(S-unit)
extensional-torsional
kinematic
characteristics
designed
through
analysis
spherical
four-bar
mechanism.
rib
support
fixed
linkages
s-unit
achieve
change
in
Based
on
analysis,
coordinate
transformation
method
has
been
used
establish
relationship
shape
The
extension,
distribution,
thickness
are
analyzed.
ability
proposed
be
verified
then
simulation
rapid
prototyping
based
3-D
printing.
It
proved
that
applicable
deformable
design.
prototype
testing
validates
stable
However,
due
relatively
large
self-weight
structure,
slight
deformation.
In
subsequent
work,
structural
strength
issue
needs
emphasized.
Язык: Английский