Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3520 - 3520
Published: Dec. 18, 2024
In
recent
years,
there
have
been
many
studies
focused
on
improving
the
performance
of
active
materials;
however,
applying
these
materials
to
machines
still
presents
significant
challenges.
this
study,
we
introduce
a
light-powered
self-translation
system
for
an
asymmetric
friction
slider
using
liquid
crystal
elastomer
(LCE)
string
oscillator.
The
was
composed
hollow
slide,
two
LCE
fibers,
and
mass
ball.
Through
evolution
photothermal-induced
contraction,
derived
governing
equations
system.
Numerical
simulations
revealed
distinct
motion
modes:
static
mode
mode.
As
ball
moved,
fibers
alternated
between
illuminated
non-illuminated
states,
allowing
them
effectively
harvest
light
energy
compensate
dissipation
within
Unlike
traditional
self-oscillating
systems
that
oscillate
around
fixed
position,
enabled
advance
continuously
through
oscillator’s
symmetric
self-sustained
oscillation.
Furthermore,
explored
critical
conditions
necessary
initiating
as
well
key
parameters
influence
frequency
amplitude
oscillator
average
speed
slider.
This
system,
with
its
simple
design
ease
control,
holds
promising
potential
applications
in
various
fields
including
soft
robotics,
harvesting,
machinery.
Physical review. E,
Journal Year:
2025,
Volume and Issue:
111(1)
Published: Jan. 15, 2025
Traditional
liquid
crystal
elastomer
(LCE)-based
machines
are
constrained
by
the
need
for
complex
controllers
and
large
power
supplies,
which
limits
their
applicability
in
microrobots
other
small-scale
machines.
In
this
paper,
we
propose
a
light-powered
self-scrolling
LCE
crane,
is
capable
of
to
lift
weights
under
steady
light.
Based
on
dynamic
model,
derive
lateral
curvature
crane
driving
moment
scrolling.
By
numerically
solving
equilibrium
equations,
found
that
originated
from
uneven
distribution
rod
horizontal
direction
caused
The
angular
velocity
depends
five
system
parameters:
heat
flux,
coefficient
transfer,
support
spacing,
weight
mass,
scrolling
friction
coefficient.
Through
experimental
comparative
analysis,
results
consistent
with
numerical
simulation.
device
proposed
paper
features
simple
structure,
illumination,
compact
light
irradiation
area.
It
advances
understanding
self-sustaining
structures
utilizing
active
materials
offers
valuable
insight
into
potential
applications
light-responsive
LCEs
self-driven
devices,
medical
instruments,
robotics,
sensors,
energy
sector.
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icon
Physics
Subject
Headings
(PhySH)Continuum
mechanicsDevicesElastic
deformation
