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.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Flexible
sensors
are
increasingly
recognized
for
their
transformative
potential
in
wearable
electronic
devices,
medical
monitoring,
and
human‐computer
interaction.
Despite
the
advancements,
developing
a
flexible
sensor
array
with
simple
structure
large
area
preparation
effective
signal
sensing
monitoring
capabilities
remains
challenging.
In
this
study,
hierarchical
rGO‐based
triboelectric
(HG‐FTS)
is
scalably
prepared
by
blade‐coating
approach,
which
nitrogen‐doped
reduced
graphene
oxide
(rGO)
sheet
hierarchically
deposited
polydimethylsiloxane
(PDMS)
layer.
The
performed
single
electrode
mode
not
only
demonstrates
exceptional
reliability
consistency
but
also
achieves
maximum
voltage
of
≈129
V
power
density
≈0.5
W
m
−2
.
These
characteristics
enable
real‐time
human
physiological
signals
joint
motion
high
fidelity.
Furthermore,
an
intelligent
interactive
control
system
developed
using
HG‐FTS,
featuring
digital
touch
screen
rectangular
pattern.
build
can
be
successfully
used
pressure
sensing,
object
shape
recognition,
trajectory
tracking.
This
work
provides
viable
solution
to
high‐performance
manufacturing
application
HG‐FTS
interaction,
sensing.
Soft Science,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Feb. 14, 2025
Self-powered
sensing
technology
plays
a
key
role
in
autonomous
and
portable
systems,
with
applications
health
monitoring
robotics.
These
sensors,
which
do
not
rely
on
external
power
sources,
offer
stable,
continuous
data
acquisition
for
real-time
complex
interactions.
For
instance,
triboelectric
nanogenerators
have
enabled
self-powered
wearable
sensors
to
monitor
vital
signs
such
as
heart
beat
rate
respiration
by
converting
body
movement
into
electrical
energy,
eliminating
the
need
batteries.
Despite
their
advantages,
challenges
remain
large-scale
manufacturing,
miniaturization,
multifunctional
integration.
Overcoming
these
may
require
innovative
advances
novel
materials,
intelligent
algorithms,
integration
strategies.
This
perspective
summarizes
recent
existing
technologies
robotics
applications,
provides
an
outlook
future
development.
The
key
to
realizing
completed
bionic
tactile
perception
of
human
skin
using
electronic
relies
on
simultaneously
distinguishing
dynamic
and
static
stimuli
restoring
their
characteristic
information,
which
is
realized
by
integration
several
individual
sensors
but
remains
certain
limitations
including
large
physical
size
high
energy
consumption.
In
this
study,
a
piezoelectric-ultrasonic
bimodal
(PUVE)
based
in
situ
polarized
PVDF-TrFE/2DBP
composites
thin-film
transistor
(TFT)
array
fabricated.
incorporation
2DBP
into
the
PVDF-TrFE
film
polarization
approach
provide
excellent
piezoelectric
ultrasonic
performances
composites.
PUVE
has
an
ultrahigh
sensitivity
3.2
mV
kPa-1
over
wide
pressure
(0-310
kPa)
range,
with
spatial
resolution
(50
μm)
response
time
(40
ms).
Meanwhile,
demonstrated
outstanding
repeatability
bending
stability
1500
cycles
cyclic
4000
180°
bending.
integrated
functions
can
respond
individually
ensure
perceiving
decoupling
dynamical
mechanical
signals
one
single
sensor.
further
TFT
array,
visualization
function
contacting
objects
information
texture
location.
Thus,
expected
have
range
applications
intelligent
robots
prostheses.
