ACS Omega,
Год журнала:
2024,
Номер
9(42), С. 43175 - 43183
Опубликована: Окт. 8, 2024
The
purpose
of
this
paper
is
to
develop
a
self-detecting
diaphragm
integrated
with
flexible
sensor,
which
utilized
in
an
underwater
thruster.
Resistive
strain
sensors
are
easy
manufacture
and
integrate
due
their
advantages
reliable
stretchability
ductility.
Inspired
by
the
structure
neurons,
we
fabricated
resistive
using
silica
gel
as
matrix
carbon
black
nanotubes
additives.
All
demonstrated
positive
resistance
characteristics
under
60%
conditions,
sensor
containing
mass
ratio
9
wt
%
exhibiting
best
resistance-strain
linearity.
To
verify
anti-interference
capability
substrates
varying
hardness
values
changing
environmental
pressure,
tested
pressure
sensitivity
altering
gel.
results
indicate
that
highest
value
provides
interference.
detect
motion
deformation
internal
functional
components
thruster,
combined
detection
movement
operation
function
diaphragm,
resulting
new
capabilities.
was
evaluated
tensile
testing
machine
LCR
tester.
demonstrate
mechanical
properties
stable,
sensitive
response
during
operation.
This
research
can
also
be
applied
amplitudes
other
types
soft
robots.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Flexible
piezoelectric
pressure
sensors
have
aroused
a
plethora
of
applications
in
wearable
electronics,
acoustic
transducers,
and
energy
harvesters
thanks
to
many
merits
such
as
prompt
response,
good
signal
linearity,
ease
shaping.
However,
all-polymer
films
low
coefficient
severe
stress
dissipation,
it
is
currently
challenging
achieve
high
output
for
the
foregoing
without
introducing
nanomaterials
or
ceramics.
Here,
we
report
local
engineering
strategy
fabricate
biomimetic
all-fluoropolymer
film
with
high-modulus
poly(vinylidene
fluoride)
(PVDF)
nanospheres
embedded
on
low-modulus
fluoride-trifluoride
ethylene)
(PVDF-TrFE)
nanofibers
highly
sensitive
detection.
High-modulus
PVDF
create
concentration
sites
PVDF-TrFE
increase
deformation,
leading
significantly
improved
force/pressure
sensitivity.
As
such,
by
comparison
force
sensitivity
60
mV/N
neat
PVDF-TrFE,
heteromodulus
fiber
mats
10
wt
%
can
145.1
over
0-25
N
dynamic
impact
(i.e.,
0
∼
250
kPa
pressure),
together
an
detection
limit
dB
0.02
Pa.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
Wearable
biosensing
systems
for
monitoring
daily
human
activities
have
been
extensively
investigated
by
researchers
of
human–machine
interactions.
However,
the
transmission
biomechanical
signals
is
degraded
owing
to
limitations
arising
from
non‐ideal
characteristics
hardware,
which
obstructs
precise
recognition
motions
sensing
and
practical
applications.
In
this
study,
we
demonstrates,
first
time,
3D
successive
nanoscale
interaction‐driven
artificial
slow‐adapting
(SA)
mechanoreceptors
develop
a
system
integrated
with
sensing,
learning,
computational
functionalities
efficient
sign‐language
detection
translation.
Specifically,
nanocellular
graphene
(GN)
high
conductivity
1.26
×
10
4
S
m
−1
constructed
via
submicron
porous
template‐assisted
synthesis.
More
importantly,
leveraging
unique
conductive
networks
driven
interactions
SA
mechanoreceptors,
co‐optimization
sensitivity
(gauge
factor
=
242)
linear
operating
range
achieved,
unlike
case
foam
GN
sensors.
An
(ABSS)
based
on
arrays
machine‐learning
algorithms
achieves
real‐time
gesture
98.8%
accuracy.
This
design
strategy
may
provide
new
path
toward
high‐performance
ABSS
fabrication,
thus
enabling
potential
applications
in
fields
such
as
human–computer
interaction,
virtual
reality,
healthcare.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 14, 2025
Abstract
Intelligent
robots,
equipped
with
perception,
cognition,
and
learning
capabilities,
are
transforming
the
manner
by
which
complex
tasks
approached,
enhancing
autonomy,
efficiency,
adaptability.
By
contrast,
conventional
robotics
typically
struggle
precision
reliability
in
such
as
grasping
recognition
owing
to
their
limited
sensing
feedback
mechanisms.
To
achieve
advanced
applications,
robots
require
sophisticated
spatiotemporal
adjust
actions
dynamically,
poses
a
significant
challenge
pressure‐decoupling
capability.
Herein,
high‐performance
programmable
event‐driven
(PED)
haptic
interface
real‐time,
self‐regulating
feedback,
empowering
dynamic
adaptation
force
optimization
is
introduced.
The
PED
features
gradient
pyramid
metasurface‐like
structure,
emulates
perception
of
human
skin
decode
tactile
data.
Compared
devices,
offers
improvements
detection
range
sensitivity
300%
350%,
respectively.
integrating
cutting‐edge
technology
artificial
intelligence,
conceptualized
intelligent
agent
developed
that
autonomously
understands
unstructured
environments
avoid
self‐damage
or
object
damage
without
external
intervention.
This
breakthrough
not
only
new
research
avenues
but
also
significantly
advances
foundation
embodied
particularly
simulating
cognition.
Advanced Intelligent Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Gesture
recognition
utilizing
flexible
strain
sensors
is
widely
applied
in
human–machine
interfaces.
However,
it
limited
to
strict
environmental
requirements
and
inadequate
accuracy.
Herein,
a
sensor
developed
based
on
microfluidics
using
back
propagation
(BP)
neural
network
for
highly
accurate
gesture
recognition.
The
microfibers
are
achieved
with
stretchable
polyurethane
shells
conductive
liquid
metal
cores
convenient,
safe,
effective
way.
Further,
by
combining
3D
printing
microfluidics,
the
microfiber
units
constructed.
Because
of
great
advantages
mechanical
electrical
performance
units,
shows
impressive
stretching
conductivity.
When
finger,
converts
bending
deformation
into
signals
directly.
Thus,
set
attached
five
fingers
record
corresponding
different
gestures,
which
can
be
further
analyzed
To
improve
accuracy,
combined
BP
network.
With
introduced
input
layer
as
characteristic
values
training
set,
high‐precision
updating
weights
through
training.
This
strategy
has
broad
application
potential
biomedicine,
aerospace,
other
fields.
Abstract
Integrating
perception
function
in
structural
components
of
smart
robots
for
motion
monitoring
is
highly
needed
but
still
challenging
due
to
the
deformation
limitations
rigid
sensing
materials
and
viscoelastic
hysteresis
flexible
materials.
The
seamless
integration
a
lightweight
adaptive
composite
layer
on
structure
support
reported
at
leading
edge
bird‐like
ornithopter
monitoring.
This
perception‐integrated
component
designed
by
firmly
wrapping
carbon
fiber
reinforced
plastics
(CFRP)
rod
core
sequence
with
polyacrylonitrile
(PAN)
nanofiber
network,
an
MXene/carbon
nanotubes
(CNT)
thin
conductive
layer,
thermoplastic
polyurethane
protection
sheath.
piezoresistive
MXene/CNT
effectively
adapts
trace
changes
CFRP
help
PAN
achieving
bend
component.
More
importantly,
enabled
flight
attitude
reproduction
damage
warning
actual
ornithopter.
work
provides
promising
solutions
advancing
development
future
ornithopters,
paving
way
more
intelligent,
compact,
designs.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(37), С. 49834 - 49844
Опубликована: Сен. 4, 2024
Hydrogel,
as
a
promising
material
for
wide
range
of
applications,
has
demonstrated
considerable
potential
use
in
flexible
wearable
devices
and
engineering
technologies.
However,
simultaneously
realizing
the
ultrastretchability,
low
hysteresis,
high
toughness
hydrogels
is
still
great
challenge.
Here,
we
present
dual
physically
cross-linked
polyacrylamide
(PAM)/sodium
hyaluronate
(HA)/montmorillonite
(MMT)
hydrogel.
The
introduction
HA
increases
degree
chain
entanglement,
addition
MMT
acts
stress
dissipation
center
cross-linking
agent,
resulting
hydrogel
with
hysteretic
properties.
This
synthesized
by
simple
strategy
exhibited
ultrahigh
stretchability
(3165%),
breaking
(228
kPa),
(4.149
MJ/m
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(20), С. 24037 - 24048
Опубликована: Окт. 10, 2024
Amyotrophic
lateral
sclerosis
(ALS)
is
a
fatal
degenerative
disease
of
the
central
nervous
system
characterized
by
progressive
muscle
weakness
over
time
and
space.
Assessing
severity
patient's
condition
establishing
effective
communication
strategies
postloss
speech
are
vital
for
providing
optimal
care
to
ALS
patients.
In
this
article,
capacitive
pressure
sensor
based
on
melamine
formaldehyde
resin
sponge
(MFRS)
graphene/MWCNTs/PDMS
mixture
proposed.
The
MFRS
(MFRSPS)
boasts
good
sensitivity
(0.22
kPa–1),
wide
range
(0–500
kPa),
rapid
response/relaxation
(45
ms/45
ms),
low
detection
limit
(7
Pa).
Additionally,
it
exhibits
robust
temperature
resistance
repeatability
(600
cycles
under
various
pressures).
Leveraging
impressive
performance
MFRSPS,
two
distinct
systems
have
been
designed
patients:
medical
assistive
Morse
code
representation
system.
aids
in
diagnosing
disease,
while
facilitates
with
outside
world.
This
work
provides
an
method
accessing
patients,
supporting
their
rehabilitation
enabling
external
environment.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Abstract
Flexible
strain
monitoring
of
hand
and
joint
muscle
movement
is
recognized
as
an
effective
method
for
the
diagnosis
rehabilitation
neurological
diseases
such
stroke
Parkinson's
disease.
However,
balancing
high
sensitivity
large
strain,
improving
wearing
comfort,
solving
separation
treatment
are
important
challenges
further
building
tele‐healthcare
systems.
Herein,
a
hydrogel‐based
optical
waveguide
stretchable
(HOWS)
sensor
proposed
in
this
paper.
A
double
network
structure
adopted
to
allow
HOWS
exhibit
stretchability
tensile
up
600%
0.685
mV
%
−1
.
Additionally,
flexible
smart
bionic
fabric
embedding
sensor,
produced
through
warp
weft
knitting,
significantly
enhances
comfort.
small
circuit
board
prepared
enable
wireless
signal
transmission
designed
thereby
daily
portability.
speech
recognition
human‐machine
interaction
system,
based
on
acquisition,
constructed,
convolutional
neural
algorithm
integrated
disease
assessment.
By
integrating
sensing,
transmission,
artificial
intelligence
(AI),
system
sensors
demonstrated
hold
great
potential
early
warning
diseases.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
The
rapid
development
of
thermoelectric‐piezoresistive
dual‐mode
sensors
has
opened
new
avenues
for
enhancing
the
functionality,
miniaturization,
and
integration
flexible
tactile
sensors.
However,
existing
research
primarily
focuses
on
decoupling
temperature
pressure
responses,
which
leaves
a
significant
gap
in
optimizing
sensor
performance
exploring
multifunctional
applications.
To
address
this
limitation,
composite
aerogel
with
layered
porous
structure
is
developed,
integrating
carbon
nanotubes
MXene
as
conductive
materials
reinforced
cellulose
nanofibers.
innovative
design,
characterized
by
ultra‐low
thermal
conductivity
along
superior
electrical
thermoelectric
properties,
allows
resulting
to
monitor
stimuli
without
interference
through
piezoresistive
mechanisms.
Demonstrated
results
reveal
exceptional
sensing
capabilities,
including
minimum
detectable
variation
0.03
K
detection
limit
0.3
Pa.
exhibits
high
sensitivities
33.5
µV
−1
−45.2%
kPa
,
stability
across
both
stimuli.
Furthermore,
unique
multi‐modal
mechanism
supports
various
applications,
such
energy
harvesting,
material
recognition,
complex
information
transmission,
smart
wearable
devices,
electronic
skin,
human‐computer
interaction
interfaces.
This
presents
robust
solution
designing
high‐performance
dual‐modal
significantly
advances
their
practical
applications
multiple
domains.
