Machines,
Journal Year:
2024,
Volume and Issue:
12(12), P. 887 - 887
Published: Dec. 5, 2024
This
paper
is
dedicated
to
soft
grippers,
robot
tools
with
a
wide
application
area
in
various
activities
where
an
accurate
and
delicate
grabbing
movement
required
such
as
routine
manipulation
tasks
fragile
objects,
operation
unknown
or
dangerous
environments,
shape
well
exploring
the
depths
of
sea
harvesting
vegetables
agriculture.
The
main
goal
this
review
systematize
ideas
about
achievements
grippers
published
from
2015
2024.
provides
statistical
analysis
performed
research
systematized
advancements
according
their
operating
principle,
forces
effects
that
enable
operation,
properties
potential
objects.
Grippers
inspired
by
nature
are
also
discussed,
most
successful
solutions
based
on
derived
nature.
study
discusses
latest
applications
presents
unique
distribution
physical
principle
they
act
on,
size
object
be
grasped,
technological
realizations.
results
can
useful
for
practical
gripper
users
aiming
improve
workplace
find
optimal
design
solutions,
manufacturers
developers,
scientists
material
sciences
looking
products.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Magnetically
actuated
soft
grippers
find
extensive
applications
in
robotics
due
to
their
rapid
response,
biological
safety,
and
wireless
control
capabilities.
However,
these
systems
often
require
a
continuously
applied
magnetic
field
during
both
the
capture
release
processes,
which
reduces
load
capacity
makes
gripping
ferromagnetic
objects
challenging.
Here,
an
electrothermal‐magnetic
shape
memory
(EM‐SMP)
microgripper
is
developed.
By
incorporating
Fe₃O₄
particles
into
polymer
(SMP)
embedding
resistive
wires,
can
respond
electric
current
field.
The
high
thermal
conductivity
of
composite
material,
coupled
with
microscale
dimensions
achieved
via
femtosecond
laser
processing,
significantly
enhances
response
speed
(≈0.9
s).
only
open
gripper,
while
closure
realized
through
electrothermal‐triggered
effect,
allowing
sequential
safely
grip
delicate
without
interference.
Upon
cooling,
closed
state
SMP
gripper
locks
place
energy
consumption.
Furthermore,
claw‐shaped
design
allows
enclose
larger
grasping,
thereby
improving
load‐to‐weight
ratio
(≈2380).
This
demonstrates
broad
application
potential,
effectively
performing
grasp
tasks
across
diverse
materials,
sizes,
shapes,
states,
extreme
environmental
conditions
(acidic
alkaline).
Twisted
nylon
actuators
(TNAs)
are
widely
recognized
in
soft
robotics
for
their
excellent
load-to-weight
ratio
and
cost-effectiveness.
However,
limitations
deformation
output
force
restrict
ability
to
support
more
advanced
applications.
Here,
we
report
3
performance-enhancing
strategies
inspired
by
the
construction
process
of
chromosome,
which
validated
through
novel
types
TNAs.
First,
design
a
dual-level
helical
structure,
demonstrating
remarkable
improvements
(60.2%
vertically
approximately
100%
horizontally)
energy
storage
capability
(launching
miniature
basketball
131
cm
height).
Second,
present
parallel-twisted
method,
where
TNAs
reaches
11.0
N,
achieving
12.1%
contraction
under
load
15
N
(10,000
times
its
weight).
Additionally,
construct
structure
based
on
TNAs,
resulting
439.7%
improvement
capability.
We
have
adopted
several
applications:
(a)
two
bionic
elbows
capable
rotating
shooting
over
130
cm;
(b)
robot
that
can
rapidly
jump
30
(c)
finger
achieves
contracting
(15.3%
2
kg
load),
precise
bending
(tracking
errors
less
than
2.0%),
twisting
motions.
This
work
presents
approaches
fabricating
high-performance
explores
potential
applications
these
driving
robots
with
multifunctional
capabilities.
InfoMat,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Abstract
Various
forms
of
intelligent
light‐controlled
soft
actuators
and
robots
rely
on
advanced
material
architectures
bionic
systems
to
enable
programmable
remote
actuation
multifunctionality.
Despite
advancements,
significant
challenges
remain
in
developing
that
can
effectively
mimic
the
low‐intensity,
wide‐wavelength
light
signal
sensing
processing
functions
observed
living
organisms.
Herein,
we
report
a
design
strategy
integrates
light‐responsive
artificial
synapses
(AS)
with
liquid
crystal
networks
(LCNs)
create
LCN
(AS‐LCNs).
Remarkably,
AS‐LCNs
be
controlled
intensities
as
low
0.68
mW
cm
−2
,
value
comparable
intensity
perceivable
by
human
eye.
These
perform
sensing,
learning,
memory
within
wide
wavelength
range
from
365
nm
808
nm.
Additionally,
our
system
demonstrates
time‐related
proofs
concept
for
tachycardia
alarm
porcupine
defense
behavior
simulation.
Overall,
this
work
addresses
limitations
traditional
reception
processing,
paving
way
development
emulate
cognitive
abilities
image
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Developing
soft
actuators
capable
of
large
deformations
under
various
stimuli
is
crucial
for
applications
in
artificial
muscles,
medical
devices,
and
beyond.
However,
creating
intelligent
that
can
operate
diverse
environments
perform
complex
tasks
remains
challenging.
Therefore,
inspired
by
natural
plants,
a
sandwich‐structured
actuator
(LPPSA)
with
shape
programmability
reconfigurable
actuation,
integrating
poly(N‐isopropylacrylamide)
(PNIPAM)
liquid
crystal
elastomer
(LCE)
via
polypropylene
nonwoven
fabric
designed
fabricated.
Above
its
lower
critical
solution
temperature
(LCST),
the
PNIPAM
hydrogel
undergoes
transition
from
hydrophilic
to
hydrophobic,
allowing
LPPSA
through
controlled
duration
location.
The
LCE
layer's
rapid
response
thermal
allows
deform
quickly,
while
photothermal
converter
(Solvent
Black
7)
facilitates
wireless
actuation
near‐infrared
radiation
(NIR).
work
demonstrates
LPPSA's
capabilities
underwater
grasping,
variable‐volume
gripping,
biomimetic
such
as
mimicking
opening
closing
flower
petals,
well
gesture
transformations.
Moreover,
functions
sensor,
transmitting
information
on
motion
temperature,
uses
machine
learning
object
recognition.
This
establishes
template
designing
multifunctional
operating
environments,
advancing
robotics
systems.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
Magnetic
soft
grippers
have
attracted
intensive
interest
due
to
their
untethered
controllability,
rapid
response,
and
biological
safety.
However,
manipulating
living
objects
requires
a
simultaneous
increase
in
shape
adaptability
gripping
force,
which
are
typically
mutually
exclusive.
Increasing
the
magnetic
particle
content
enhances
strength
but
also
increases
elastic
modulus,
leading
low
high
impact
force.
Here,
porous
gripper
(PMSG)
is
developed
by
integrating
structure
into
silicone
elastomer.
The
design
of
hard
composite
characterized
magnetization,
rough
surface.
It
offers
PMSG
good
compliance,
force
at
fast
gripping.
capable
performing
variety
tasks,
including
gentle
grasping
delicate
objects.
study
provides
insight
novel
may
offer
promising
outlook
for
biomedical
or
scientific
applications
manipulation
organisms.
