The
sensitivity
and
linearity
are
critical
parameters
that
can
preserve
the
high
pressure-resolution
across
a
wide
range
simplify
signal
processing
process
of
flexible
tactile
sensors.
Although
extensive
micro-structured
dielectrics
have
been
explored
to
improve
capacitive
sensors,
attenuation
with
increasing
pressure
is
yet
be
fully
resolved.
Herein,
novel
dielectric
layer
based
on
gradient
micro-dome
architecture
(GDA)
presented
simultaneously
realize
ultrabroad
pixels
rationally
collocated
amount
height
effectively
regulate
contact
area
hence
enable
linear
variation
in
effective
constant
GDA
under
varying
pressures.
With
systematical
optimization,
sensor
exhibits
0.065
kPa-1
an
up
1700
kPa,
which
first
reported.
Based
excellent
linearity,
preserved
full
scale
spectrum.
Therefore,
potential
applications
such
as
all-round
physiological
detection
diverse
scenarios,
control
instruction
transmission
combinatorial
force
inputs,
convenient
Morse
code
communication
non-overlapping
capacitance
signals
successfully
demonstrated
through
single
device.
Human-machine
interfaces
(HMIs)
experience
increasing
requirements
for
intuitive
and
effective
manipulation.
Current
commercialized
solutions
of
glove-based
HMI
are
limited
by
either
detectable
motions
or
the
huge
cost
on
fabrication,
energy,
computing
power.
We
propose
haptic-feedback
smart
glove
with
triboelectric-based
finger
bending
sensors,
palm
sliding
sensor,
piezoelectric
mechanical
stimulators.
The
detection
multidirectional
events
is
demonstrated
in
virtual
space
using
self-generated
triboelectric
signals
various
degrees
freedom
human
hand.
also
perform
haptic
stimulation
via
chips
to
realize
augmented
HMI.
achieves
object
recognition
machine
learning
technique,
an
accuracy
96%.
Through
integrated
demonstration
multidimensional
manipulation,
feedback,
AI-based
recognition,
our
reveals
its
potential
as
a
promising
solution
low-cost
advanced
human-machine
interaction,
which
can
benefit
diversified
areas,
including
entertainment,
home
healthcare,
sports
training,
medical
industry.
Advanced Functional Materials,
Год журнала:
2020,
Номер
31(11)
Опубликована: Дек. 29, 2020
Abstract
In
comparison
to
traditional
bulky
and
rigid
electronic
devices,
the
human–machine
interaction
(HMI)
system
with
flexible
wearable
components
is
an
inevitable
future
trend.
To
achieve
effective,
intuitive,
seamless
manipulation
of
high‐performance
HMI
systems,
it
important
develop
effective
strategies
for
designing
material
microstructures
on
sensors
electric
devices
excellent
mechanical
flexibility
stretchability.
The
real‐time
acquisition
human
physiology
surrounding
signals
through
accurate
basis
HMIs.
Herein,
construction
a
that
utilizes
sensors,
communication
modes,
actuators
reviewed.
mechanisms
various
based
different
are
analyzed
discussed.
functional
mechanism,
selection,
novel
design
each
part
summarized
in
detail.
modes
interactive
systems
manufacturing
technology
soft
machines
also
introduced.
Additionally,
most
advanced
applications
intelligent
identification
security,
controls
robots,
augmented
reality,
virtual
reality
have
been
highlighted.
review
concludes
overview
remaining
key
challenges
several
ideas
regarding
further
improvement
systems.
InfoMat,
Год журнала:
2020,
Номер
2(6), С. 1131 - 1162
Опубликована: Июль 12, 2020
Abstract
The
past
few
years
have
witnessed
the
significant
impacts
of
wearable
electronics/photonics
on
various
aspects
our
daily
life,
for
example,
healthcare
monitoring
and
treatment,
ambient
monitoring,
soft
robotics,
prosthetics,
flexible
display,
communication,
human‐machine
interactions,
so
on.
According
to
development
in
recent
years,
next‐generation
electronics
photonics
are
advancing
rapidly
toward
era
artificial
intelligence
(AI)
internet
things
(IoT),
achieve
a
higher
level
comfort,
convenience,
connection,
intelligence.
Herein,
this
review
provides
an
opportune
overview
progress
electronics,
photonics,
systems,
terms
emerging
materials,
transducing
mechanisms,
structural
configurations,
applications,
their
further
integration
with
other
technologies.
First,
general
is
summarized
applications
physical
sensing,
chemical
interaction,
Then
self‐sustainable
systems
discussed
based
system
energy
harvesting
storage
Next,
technology
fusion
AI
reviewed,
showing
emergence
rapid
intelligent/smart
systems.
In
last
section
review,
perspectives
about
future
trends
provided,
that
is,
multifunctional,
self‐sustainable,
intelligent
AI/IoT
era.
image
The
rapid
progress
of
Internet
things
(IoT)
technology
raises
an
imperative
demand
on
human
machine
interfaces
(HMIs)
which
provide
a
critical
linkage
between
and
machines.
Using
glove
as
intuitive
low-cost
HMI
can
expediently
track
the
motions
fingers,
resulting
in
straightforward
communication
media
human-machine
interactions.
When
combining
several
triboelectric
textile
sensors
proper
learning
technique,
it
has
great
potential
to
realize
complex
gesture
recognition
with
minimalist-designed
for
comprehensive
control
both
real
virtual
space.
However,
humidity
or
sweat
may
negatively
affect
output
well
itself.
Hence,
this
work,
facile
carbon
nanotubes/thermoplastic
elastomer
(CNTs/TPE)
coating
approach
is
investigated
detail
achieve
superhydrophobicity
performance
improvement.
With
energy
harvesting
motion
sensing
capabilities,
using
superhydrophobic
realizes
self-powered
interface
recognition.
By
leveraging
technology,
various
tasks
are
done
time
by
gestures
highly
accurate
reality/augmented
reality
(VR/AR)
controls
including
gun
shooting,
baseball
pitching,
flower
arrangement,
minimized
effect
from
during
operation.
Reports on Progress in Physics,
Год журнала:
2021,
Номер
84(9), С. 096502 - 096502
Опубликована: Июнь 10, 2021
Although
the
contact
electrification
(CE)
(or
usually
called
'triboelectrification')
effect
has
been
known
for
over
2600
years,
its
scientific
mechanism
still
remains
debated
after
decades.
Interest
in
studying
CE
recently
revisited
due
to
invention
of
triboelectric
nanogenerators
(TENGs),
which
are
most
effective
approach
converting
random,
low-frequency
mechanical
energy
(called
high
entropy
energy)
into
electric
power
distributed
applications.
This
review
is
composed
three
parts
that
coherently
linked,
ranging
from
basic
physics,
through
classical
electrodynamics,
technological
advances
and
engineering
First,
mechanisms
studied
general
cases
involving
solids,
liquids
gas
phases.
Various
physics
models
presented
explain
fundamentals
by
illustrating
electron
transfer
dominant
solid-solid
interfaces.
Electron
also
occurs
at
liquid-solid
liquid-liquid
An
electron-cloud
overlap
model
proposed
general.
extended
interfaces,
leading
a
revision
formation
double
layer
Second,
adding
time-dependent
polarization
term
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Сен. 10, 2021
Sign
language
recognition,
especially
the
sentence
is
of
great
significance
for
lowering
communication
barrier
between
hearing/speech
impaired
and
non-signers.
The
general
glove
solutions,
which
are
employed
to
detect
motions
our
dexterous
hands,
only
achieve
recognizing
discrete
single
gestures
(i.e.,
numbers,
letters,
or
words)
instead
sentences,
far
from
satisfying
meet
signers'
daily
communication.
Here,
we
propose
an
artificial
intelligence
enabled
sign
recognition
system
comprising
sensing
gloves,
deep
learning
block,
virtual
reality
interface.
Non-segmentation
segmentation
assisted
model
achieves
50
words
20
sentences.
Significantly,
approach
splits
entire
signals
into
word
units.
Then
recognizes
all
elements
reversely
reconstructs
Furthermore,
new/never-seen
sentences
created
by
new-order
recombination
can
be
recognized
with
average
correct
rate
86.67%.
Finally,
results
projected
space
translated
text
audio,
allowing
remote
bidirectional
signers
Micromachines,
Год журнала:
2019,
Номер
11(1), С. 7 - 7
Опубликована: Дек. 18, 2019
With
the
fast
development
of
fifth-generation
cellular
network
technology
(5G),
future
sensors
and
microelectromechanical
systems
(MEMS)/nanoelectromechanical
(NEMS)
are
presenting
a
more
critical
role
to
provide
information
in
our
daily
life.
This
review
paper
introduces
trends
perspectives
MEMS/NEMS.
Starting
from
issues
MEMS
fabrication,
we
introduced
typical
for
their
applications
Internet
Things
(IoTs),
such
as
physical
sensor,
acoustic
gas
sensor.
Toward
intelligence
less
power
consumption,
components
including
MEMS/NEMS
switch,
piezoelectric
micromachined
ultrasonic
transducer
(PMUT),
energy
harvesting
were
investigated
assist
sensors,
event-based
or
almost
zero-power.
Furthermore,
rigid
substrate
toward
NEMS
flexible-based
flexibility
interface
was
discussed
another
important
trend
next-generation
wearable
multi-functional
sensors.
Around
about
big
data
human-machine
realization
human
beings’
manipulation,
artificial
(AI)
virtual
reality
(VR)
technologies
finally
realized
using
sensor
nodes
its
wave
identification
various
scenarios.
Abstract
The
flourishing
development
of
multifunctional
flexible
electronics
cannot
leave
the
beneficial
role
nature,
which
provides
continuous
inspiration
in
their
material,
structural,
and
functional
designs.
During
evolution
electronics,
some
originated
from
were
even
beyond
others
implantable
or
biodegradable
eventually
to
nature.
Therefore,
relationship
between
nature
is
undoubtedly
vital
since
harmony
technology
would
promote
sustainable
development.
Herein,
materials
selection
functionality
design
for
that
are
mostly
inspired
first
introduced
with
certain
Then,
frontier
advances
on
including
main
individual
components
(i.e.,
energy
(the
power
source)
sensor
electric
load))
presented
aim
enlightening
harmonious
modern
Finally,
critical
issues
next‐generation
discussed
provide
possible
solutions
new
insights
prospective
exploration
directions.
Abstract
Triboelectric
nanogenerator
(TENG)
technology
is
a
promising
research
field
for
energy
harvesting
and
nanoenergy
nanosystem
(NENS)
in
the
aspect
of
mechanical,
electrical,
optical,
acoustic,
fluidic,
so
on.
This
review
systematically
reports
progress
TENG
technology,
terms
energy‐boosting,
emerging
materials,
self‐powered
sensors,
NENS,
its
further
integration
with
other
potential
technologies.
Starting
from
mechanisms
including
ways
charge
generation
we
introduce
applications
harvesters
to
various
kinds
that
is,
physical
chemical/gas
sensors.
After
that,
NENS
are
discussed,
such
as
blue
energy,
human‐machine
interfaces
(HMIs),
neural
interfaces/implanted
devices,
optical
interface/wearable
photonics.
Moving
new
directions
beyond
TENG,
depict
hybrid
technologies,
dielectric‐elastomer‐enhancement,
self‐healing,
shape‐adaptive
capability,
self‐sustained
and/or
internet
things
(IoT).
Finally,
outlooks
conclusions
about
future
development
trends
technologies
discussed
toward
multifunctional
intelligent
systems.
image