Journal of Applied Mechanics,
Journal Year:
2024,
Volume and Issue:
91(12)
Published: Aug. 29, 2024
Abstract
A
self-oscillating
system
can
harness
energy
from
the
external
environment
to
sustain
its
continuous
motion,
making
it
highly
suitable
for
applications
in
soft
robotics,
military
industry,
energy,
and
other
fields.
This
article
introduces
a
composed
of
light-responsive
liquid
crystal
elastomer
fiber,
baffle,
spring,
capable
achieving
self-oscillation
under
stable
lighting
conditions.
Considering
established
dynamic
model
elastomers
(LCEs),
nonlinear
is
introduced
used
as
basis
exploring
characteristics.
Numerical
computations
reveal
that
coupled
exhibits
two
distinct
motion
states:
static
states.
The
behavior
sustained
through
interaction
light
damping
dissipation.
Furthermore,
detailed
investigation
conducted
on
key
parameters
affecting
frequency
amplitude
self-oscillation.
In
contrast
complexity
current
systems,
this
particular
features
simplicity
structure,
ease
manufacture,
strong
adaptability.
These
advantages
are
expected
provide
broader
design
possibilities
micro-machines
mechanical
production
processes.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 19, 2024
Abstract
The
efforts
in
soft
materials
actuators
that
can
generate
driving
deformation
under
external
energy
stimulation
have
promoted
the
rapid
development
miniature
sized
robotics.
Recently,
with
continuous
and
autonomous
actuation
behavior
constant
are
highly
sought
after.
Light‐fueled
self‐oscillators
based
on
self‐shadowing
effect
triggered
by
their
light‐induced
provide
an
effective
scheme.
However,
grand
challenges
remain
light‐driven
self‐actuators
multi‐directional
controllable
operate
low
power
density
air.
Here,
this
study
reports
a
MXene‐based
multilayer
actuator
generates
self‐sustained
robotic
motion
upon
light
intensity–
50
mW
cm
−2
(half
Sun).
self‐track
sources
continuously
oscillate
while
incident
angle
is
changed.
exhibits
high
adaptation
to
types
of
sources,
including
inherence
coherence
different
wavelengths.
Diverse
applications
demonstrated,
signal
transmitter
beam
reflection,
self‐propelled
sailboat,
light‐to‐mechanical
motor,
robots
biomimetic
movements.
results
offer
new
insights
for
light‐fueled
controllability
low‐intensity
requirement
its
potential
application
prospect.
