Engineering Research Express,
Journal Year:
2024,
Volume and Issue:
6(4), P. 045356 - 045356
Published: Dec. 1, 2024
Abstract
Human
interactive
robots
deployed
for
advanced
services
such
as
nursing
and
elderly
assistance
systems,
operate
in
close
proximity
to
humans
a
home
environment,
unlike
the
conventional
industrial
robots.
For
adaptive
safe
interaction
with
humans,
it
is
important
endow
sense
of
touch
Tactile
sensors
are
embedded
on
robotic
body
perceive
touch.
The
existing
rigid
tactile
have
limited
flexibility
conformability
robot
surfaces.
This
paper
presents
development
detect
human
touch,
biomimicking
flexible
nature
skin.
To
emulate
flexibility,
we
propose
fabrication
capacitive
based
polymers
like
Polyimide
(PI)
Polydimethylsiloxane
(PDMS).
PI
used
substrate
develop
3
×
array
by
thermal
evaporation.
PDMS
dielectric
between
silver
electrodes
printed
Polyethylene
terephthalate
(PET)
adopting
state
art
cost-effective
inkjet
printing.
sensitivity
evaluation
fabricated
sensor
was
carried
out
using
customized
force
measurement
setup.
pressure
0.32%
/KPa
obtained.
Force
sensitive
resistor
(FSR)
integrated
estimate
at
contact
location
placed
custom
3D
arm,
object
grasp
control.
novel
module
(TSM)
can
potentially
offer
improved
user
experience
human-robot
(HRI)
Robotic
systems.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(31)
Published: June 19, 2024
Abstract
Electromagnetic
generators
are
conventionally
used
to
harvest
energy
from
large
water
bodies,
but
they
ineffective
for
harvesting
low
hydro‐energy,
such
as
raindrops
or
fogs,
due
their
bulky,
heavy
and
immovable.
Unfortunately,
developing
new
strategies
that
lightweight,
small,
have
high
conversion
efficiency
convert
hydro‐energy
into
electricity
remains
a
challenge.
Herein,
flexible
droplet‐based
hybrid
generator
(DHEG)
consisting
of
(DEG)
an
electromagnetic
(EMG)
is
proposed
the
dual
droplets
simultaneously.
The
DHEG
assembled
by
facilely
merging
DEG
EMG
using
conductive
elastic
multi‐walled
carbon
nanotubes/polydimethylsiloxane
(MWCNTs/PDMS)
film
.
MWCNTs/PDMS
can
not
only
serve
bottom
electrode
switching
on
DEG,
also
component
vibrate
coil
when
impacted
droplets.
Activated
single
58.2
µL
droplet
falling
height
50
cm,
peak
voltage,
current
power
generated
≈84.6
V,
≈19.85
mA,
≈595.8
µW,
respectively.
up
≈13.8%.
This
may
provide
promising
strategy
effectively
raindrops.
Small Structures,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Functionalized
particles
ranging
from
nanoscale
to
microscale
and
their
assemblies
have
facilitated
a
wide
variety
of
sensing
concepts,
molecular‐scale
chemical
biological
detection
large‐scale
engineering
defect
testing.
Related
macroscopic
object
shape
sensing,
visual
recognition
is
generally
the
most
versatile
approach
whenever
possible.
However,
under
certain
conditions
where
perception
hindered,
for
example,
dark
space
or
underwater,
electrosensing
can
serve
as
an
alternative
sensation
manner.
Inspired
by
this
concept,
rudimentary
shapes
using
electrically
conductive,
soft
ferromagnetic
Ni
demonstrated,
herein
denoted
colloidal
magnetoelectric
recognition.
By
confining
target
sensory
between
two
planar
electrodes
magnetic
field
drive
toward
edges,
changes
in
electrical
conductivity
are
monitored.
Machine
learning
then
used
resolve
exact
with
high
fidelity.
This
study
introduces
strategy
short‐range
potential
applications
suggested
fields
such
robotics,
drug
delivery,
biomedical
diagnostics.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
With
technological
advancement
and
development,
there
is
a
tremendous
increase
in
demand
for
different
smart
materials
because
of
their
stimulation
from
external
sources.
Moreover,
the
time‐dependent
response
provides
insight
into
fabrication
these
using
4D
printing
(4DP)
techniques.
Hence,
this
study
presents
comprehensive
review
4DP
materials.
The
covers
aspects
material,
design
optimization
to
printing.
Herein,
have
been
discussed
detail
based
on
physical,
biological,
chemical
stimuli‐responsive
subtype's
behavior.
For
designing
materials,
usage
tools
such
as
new
software,
finite
element
analysis,
machine
learning
are
also
discussed.
challenging
responsive
natures
complexity
mechanisms.
detailed
present
3D
techniques,
use
4DP,
how
future
applications
can
be
incorporated
with
material
presented.
help
learning,
directions
fabricating
4DP.
challenges
utilization
comprehensively
covered.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 26, 2025
Abstract
Biological
cilia
exhibit
metachronal
movements
that
enable
the
expulsion
of
substances
such
as
mucus
and
bacterial
cells.
Inspired
by
biological
cilia,
significant
progress
has
been
made
in
recent
years
development
artificial
cilia.
In
particular,
magnetic
actuation
emerged
a
prominent
strategy
for
real‐time,
remote‐controlled
manipulation,
offering
noninvasive
reversible
operation
without
inducing
irreversible
damage.
However,
fabrication
microcilia
is
currently
constrained
limitations
achieving
high
aspect
ratios,
cost‐effectiveness,
scalable
production.
this
study,
advanced
laser
manufacturing
used
to
drill
porous
silicon
(Si)
templates,
successfully
demolding
with
ratio
(exceeding
9).
By
integrating
dioxide
(SiO
2
)
nanoparticles,
superhydrophobic
surface
achieved
hierarchical
micro‐nano
structure.
The
experiments
demonstrated
these
structured
not
only
remarkable
durability
but
also
maintain
long‐term
superhydrophobicity.
Furthermore,
blending
iron
(II,
III)
oxide
(Fe
3
O
4
arrays
(SMMA)
are
developed,
enabling
droplet
transportation
on
their
controlled
an
external
field.
These
have
potential
applications
biomedical
devices,
self‐cleaning
anti‐fouling
surfaces,
human
sensing
technologies.
