Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Ноя. 11, 2024
Self-sustained
movement
has
the
ability
to
absorb
energy
from
external
environment
maintain
its
own
movement.
In
present
work,
a
self-sustained
chaotic
simple
pendulum
system
featuring
an
electrothermal
responsive
liquid
crystal
elastomers
fiber
and
mass
ball
is
proposed
examined.
The
power-on
state
achieved
in
through
infusion
of
metal
into
this
fiber.
Which
enables
shrink,
feeding
compensate
for
dissipation
resulting
damping,
thus
allowing
On
basis
existing
dynamic
elastomer
model,
governing
equations
are
established,
behavior
under
stimulation
theoretically
explored.
Numerical
findings
suggest
that
presents
three
different
patterns,
namely
stationary
pattern,
oscillatory
pattern.
Moreover,
five
parameters
elastic
coefficient,
viscosity
gravitational
acceleration,
shrinkage
coefficient
strength
work
can
contribute
better
understanding
systems
driven
by
materials
offer
guidance
further
exploration
applications
such
as
chaos
machine,
mind-brain
analysis.
Polymers,
Год журнала:
2024,
Номер
16(23), С. 3298 - 3298
Опубликована: Ноя. 26, 2024
Self-oscillation,
a
control
approach
inspired
by
biological
systems,
demonstrates
an
autonomous,
continuous,
and
regular
response
to
constant
external
environmental
stimuli.
Until
now,
most
self-oscillation
systems
have
relied
on
static
environment
that
continuously
supplies
energy,
while
materials
typically
absorb
ambient
energy
only
intermittently.
In
this
article,
we
propose
innovative
of
liquid
crystal
elastomer
(LCE)
fiber-slide
system
driven
self-flickering
light
source,
which
can
efficiently
regulate
the
input
in
sync
with
self-oscillating
behavior
under
voltage.
This
primarily
consists
photo-responsive
LCE
fiber,
slider
includes
conductive
segment
insulating
segment,
track.
Using
dynamic
model,
derive
governing
equation
for
motion
fiber-slider
system.
Numerical
simulations
show
voltage
exhibits
two
distinct
phases,
namely
stationary
phase
phase.
The
occurs
due
photo-induced
contraction
fiber
when
source
is
activated.
We
also
investigate
critical
conditions
required
initiate
self-oscillation,
examine
key
parameters
influencing
its
frequency
amplitude.
Unlike
continuous
release
from
field
our
dynamically
adjusts
synchronize
behavior.
Our
design
features
advantages
such
as
spontaneous
periodic
lighting,
simple
structure,
efficiency,
ease
operation.
It
shows
significant
promise
circuit
monitoring
devices,
optical
applications.
Journal of Applied Mechanics,
Год журнала:
2024,
Номер
91(12)
Опубликована: Авг. 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.
Polymers,
Год журнала:
2024,
Номер
16(16), С. 2375 - 2375
Опубликована: Авг. 22, 2024
In
this
paper,
we
propose
an
innovative
light-powered
LCE-slider
system
that
enables
continuous
self-circling
on
elliptical
track
and
is
comprised
of
a
LCE
string,
slider,
rigid
track.
By
formulating
solving
dimensionless
dynamic
equations,
explain
static
states,
emphasizing
dynamics
energy
balance.
Quantitative
analysis
reveals
the
frequency
systems
independent
initial
tangential
velocity
but
sensitive
to
light
intensity,
contraction
coefficients,
elastic
axis
ratio,
damping
coefficients.
Notably,
motion
outperforms
circular
in
angular
frequency,
indicating
greater
efficiency.
Reliable
under
constant
suggests
applications
periodic
fields,
especially
celestial
mechanics.
Additionally,
system’s
remarkable
adaptability
wide
range
curved
trajectories
exemplifies
its
flexibility
versatility,
while
absorption
conversion
capabilities
position
it
as
highly
potential
candidate
for
robotics,
construction,
transportation.
Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Ноя. 11, 2024
Self-sustained
movement
has
the
ability
to
absorb
energy
from
external
environment
maintain
its
own
movement.
In
present
work,
a
self-sustained
chaotic
simple
pendulum
system
featuring
an
electrothermal
responsive
liquid
crystal
elastomers
fiber
and
mass
ball
is
proposed
examined.
The
power-on
state
achieved
in
through
infusion
of
metal
into
this
fiber.
Which
enables
shrink,
feeding
compensate
for
dissipation
resulting
damping,
thus
allowing
On
basis
existing
dynamic
elastomer
model,
governing
equations
are
established,
behavior
under
stimulation
theoretically
explored.
Numerical
findings
suggest
that
presents
three
different
patterns,
namely
stationary
pattern,
oscillatory
pattern.
Moreover,
five
parameters
elastic
coefficient,
viscosity
gravitational
acceleration,
shrinkage
coefficient
strength
work
can
contribute
better
understanding
systems
driven
by
materials
offer
guidance
further
exploration
applications
such
as
chaos
machine,
mind-brain
analysis.
