Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 8, 2024
Abstract
Tactile
sensors
with
capability
of
multiaxial
force
perception
play
a
vital
role
in
robotics
and
human–machine
interfaces.
Flexible
optical
waveguide
have
been
an
emerging
paradigm
tactile
sensing
due
to
their
high
sensitivity,
fast
response,
antielectromagnetic
interference.
Herein,
flexible
sensor
enabled
by
U‐shaped
micro/nanofibers
(MNFs)
is
reported.
The
MNF
embedded
within
elastomer
film
topped
dome‐shaped
protrusion.
When
the
protrusion
subjected
vector
forces,
undergoes
anisotropic
deformations,
yielding
time‐resolved
variations
light
transmission.
Detection
both
normal
shear
forces
achieved
sensitivities
reaching
50.7
dB
N
−1
(14%
kPa
)
82.2
(21%
),
respectively.
Notably,
structural
asymmetry
induces
asymmetrical
modes,
granting
directional
responses
four‐directional
forces.
As
proof‐of‐concept
applications,
visualizations
for
texture
relief
pattern
recognition
are
realized
spatial
resolution
160
µm.
Moreover,
dual
configuration
demonstrated
as
interface
cursor
manipulation.
This
work
represents
step
towards
advanced
sensing.
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION),
Journal Year:
2024,
Volume and Issue:
52(7), P. 100415 - 100415
Published: July 1, 2024
Nowadays,
people
are
highly
conscious
of
the
environment,
leading
to
rapid
growth
and
progress
in
research
innovation
eco-friendly
natural
fiber
composites
(NFCs),
which
also
cost-effective.
The
sustainable
development
biodegradable
NFCs
obtained
from
renewable
sources
is
paving
way
for
replacement
synthetic
composites.
Furthermore,
researchers
focusing
on
enhancing
mechanical
performance
various
applications.
Some
sources,
such
as
rice,
wheat,
corn,
have
been
used
produce
polylactic
acid-based
NFCs.
Due
their
low
greenhouse
gas
emissions
minimal
energy
consumption
during
production,
suitable
3D
printing
However,
they
do
some
drawbacks,
overcome
them,
often
blended
with
other
purpose
this
review
article
provide
data
physical,
chemical,
properties
fiber-reinforced
assist
new
researchers.
central
idea
that
natural,
biodegradable,
materials
can
replace
plastics,
terms
strength,
thermal
resistance,
antimicrobial
properties,
water
absorption,
degradability.
use
flourishing
fields.
Every
year,
a
substantial
amount
agricultural
waste
potential
fibers
discarded.
examples
products
include
fruit,
including
areca
tamarind.
reinforcement
these
utilized
polymer
lightweight
structures,
automotive
industry,
domestic
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 2, 2024
Abstract
Recent
development
of
wearable
devices
is
revolutionizing
the
way
artificial
electronic
skins
(E‐skin),
physiological
health
monitoring
and
human‐machine
interactions
(HMI).
However,
challenge
remains
to
fit
flexible
human
skin
with
conformal
deformation
identifiable
electrical
feedback
according
mechanical
stimuli.
Herein,
an
adhesive
E‐skin
developed
that
can
firmly
attach
on
for
stimuli
perception.
The
laser‐induced
layer
serves
as
essential
component
ensure
attachment
curved
surface,
which
ensures
accurate
conversion
from
precise
readouts.
Especially,
3D
architecture
facilitates
non‐overlapping
outputs
bi‐directional
joint
bending
distinguishes
strain/pressure.
optimized
bio‐inspired
micro‐cilia
exhibited
significantly
improved
sensing
performances
sensitivity
0.652
kPa
−1
in
0–4
gauge
factor
8.13
strain
(0–15%)
robustness.
Furthermore,
distinguish
inward/outward
behaviors,
allowing
establishment
ternary
system
expand
communication
capacity
logic
such
effective
Morse
code
intelligent
control.
It
expects
serve
a
functional
bridge
between
terminals
applications
daily
efficient
HMI.
