Micromachines,
Journal Year:
2024,
Volume and Issue:
15(12), P. 1513 - 1513
Published: Dec. 20, 2024
Robotic
devices
with
integrated
tactile
sensors
can
accurately
perceive
the
contact
force,
pressure,
sliding,
and
other
information,
they
have
been
widely
used
in
various
fields,
including
human–robot
interaction,
dexterous
manipulation,
object
recognition.
To
address
challenges
associated
initial
value
drift,
to
improve
durability
accuracy
of
detection
for
a
robotic
hand,
this
study,
flexible
sensor
is
designed
high
repeatability
by
introducing
supporting
layer
pre-separation.
The
proposed
has
range
0–5
N
resolution
0.2
N,
error
as
relatively
small
1.5%.
In
addition,
response
time
under
loading
unloading
conditions
are
80
ms
160
ms,
respectively.
Moreover,
three-dimensional
force
decoupling
method
developed
distributing
units
on
non-coplanar
fingertip.
Finally,
using
backpropagation
neural
network,
classification
recognition
processes
nine
types
objects
different
shapes
categories
realized,
achieving
an
higher
than
95%.
results
show
that
sensing
system
could
be
beneficial
delicate
manipulation
hands.
Biomimetics,
Journal Year:
2025,
Volume and Issue:
10(3), P. 147 - 147
Published: Feb. 27, 2025
Humans
possess
an
innate
ability
to
perceive
a
wide
range
of
objects
through
touch,
which
allows
them
interact
effectively
with
their
surroundings.
Similarly,
tactile
perception
in
artificial
sensory
systems
enables
the
acquisition
object
properties,
human
physiological
signals,
and
environmental
information.
Biomimetic
sensors,
as
emerging
sensing
technology,
draw
inspiration
from
biological
exhibit
high
sensitivity,
rapid
response,
multimodal
perception,
stability.
By
mimicking
mechanisms
microstructures,
these
sensors
achieve
precise
detection
mechanical
thereby
paving
way
for
advancements
applications.
This
review
provides
overview
key
mechanisms,
microstructure
designs,
advanced
fabrication
techniques
biomimetic
sensors.
The
system
architecture
design
is
also
explored.
Furthermore,
highlights
significant
applications
recent
years,
including
texture
recognition,
health
detection,
human–machine
interaction.
Finally,
challenges
future
development
prospects
related
are
discussed.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
Abstract
“Stick‐slip”
phenomenon
that
occurs
when
human
fingertip
scans
across
a
specific
surface
is
essential
to
perceive
the
interactions
between
skin
and
surface.
Understanding
“stick‐slip”
behavior
important
for
bionic
flexible
system
in
applications
from
advanced
robotics
intelligent
tactile
sensors.
However,
it
often
overlooked
owing
limitations
mimic
soft
can
tangentially
deform/recover
with
informative
electrical
feedback.
Here,
sandwich‐type
device
deformable
ridge‐layer
proposed
analyze
characteristic
of
stick/slip
states
process.
Specifically,
observed
fast
recovery
sensing
architecture
caused
by
dynamic
slip
phase
generates
periodical
signals
based
on
principle
induction.
The
results
experimentally
show
periods
pulses
are
dependent
factors
such
as
inherent
properties
(e.g.,
modulus
geometry)
operational
parameters
scanning
speed
normal
load),
which
consistent
theoretical
model.
Furthermore,
found
transition
full
could
qualitatively
reflect
interfacial
moisture,
roughness,
topology.
It
expected
strengthen
understanding
interacts
provide
guidance
sensor
design
enrich
biomimetic
perceptions.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
In
this
study,
epoxy
based
piezoelectric
polymer
composites
were
fabricated
using
two
different
curing
agents
and
varying
compositions
of
poly(vinylidene)
fluoride
(PVDF),
barium
titanate
(BaTiO
3
),
conductive
silver
nanoparticles.
The
effect
ceramic
nanofillers
on
enhancing
the
PVDF
β
phase
within
composite
structure
was
investigated.
Structural,
thermal,
morphological
characterizations
performed
x‐ray
diffraction,
differential
scanning
calorimetry,
electron
microscopy.
Furthermore,
a
comprehensive
analysis
mechanical
properties
fracture
toughness
conducted
in
addition
to
behavior.
A
voltage
output
1.35
V
generated
by
containing
20
wt%
BaTiO
,
with
Young's
modulus
2
GPa
energy
2.3
kJ/m
.
findings
study
contribute
expanding
knowledge
understanding
composites,
enabling
their
potential
utilization
various
scientific
technological
applications.
Highlights
Enhancing
composites.
clear
description
experimental
procedures
employed.
Comparative
methods:
structural,
mechanical,
fracture,
property
analyses.
The
escalating
demand
for
wearables
has
led
to
a
surge
in
the
development
of
portable
and
flexible
electronics.
Consequently,
exploring
different
materials
efficient
design
device
become
an
inevitable
aspect
this
particular
research
area.
Therefore,
work,
we
present
post-transition
metal
dichalcogenide
tin
disulfide
(SnS
Applied Physics Letters,
Journal Year:
2024,
Volume and Issue:
125(21)
Published: Nov. 18, 2024
Mg2+
ion
based
self-charging
prototype
polymeric
photo-power
cell
has
been
developed
in
a
very
simple
and
inexpensive
way.
Eosin
Y/MgCl2/PVA
mixed
aqueous
solution
poly(lactic
acid)
/polyvinylidene
fluoride
(3:1)
composite
film
are
the
main
assembling
components
of
device
responsible
for
photo-electrons
generation
storage.
According
to
study
photovoltaic
performance
cell,
maximum
∼1
V
is
obtained
under
light
intensity
∼110
mW/cm2.
The
storage
capacity
evaluated
be
∼4.0
F/m2
with
an
energy
density
∼0.6
mWh/m2
power
∼2.
5
W/m2
by
analyzing
charging–discharging
data
cell.
also
recorded
20
cyclic
performances
(one
cycle
per
day)
check
longevity
our
fabricated
system.
A
series
connection
four
devices
can
used
as
bank,
which
able
lightened
up
commercially
available
18
LEDs
high
intensity,
ensures
practical
utilizations.
Micromachines,
Journal Year:
2024,
Volume and Issue:
15(12), P. 1513 - 1513
Published: Dec. 20, 2024
Robotic
devices
with
integrated
tactile
sensors
can
accurately
perceive
the
contact
force,
pressure,
sliding,
and
other
information,
they
have
been
widely
used
in
various
fields,
including
human–robot
interaction,
dexterous
manipulation,
object
recognition.
To
address
challenges
associated
initial
value
drift,
to
improve
durability
accuracy
of
detection
for
a
robotic
hand,
this
study,
flexible
sensor
is
designed
high
repeatability
by
introducing
supporting
layer
pre-separation.
The
proposed
has
range
0–5
N
resolution
0.2
N,
error
as
relatively
small
1.5%.
In
addition,
response
time
under
loading
unloading
conditions
are
80
ms
160
ms,
respectively.
Moreover,
three-dimensional
force
decoupling
method
developed
distributing
units
on
non-coplanar
fingertip.
Finally,
using
backpropagation
neural
network,
classification
recognition
processes
nine
types
objects
different
shapes
categories
realized,
achieving
an
higher
than
95%.
results
show
that
sensing
system
could
be
beneficial
delicate
manipulation
hands.
