Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 19, 2024
Abstract
Bidirectional
haptic
communication
devices
accelerate
the
revolution
of
virtual/augmented
reality
and
flexible/wearable
electronics.
As
an
emerging
kind
flexible
piezoelectric
materials,
piezoelectret
materials
can
effortlessly
convert
mechanical
force
into
electrical
signals
respond
to
fields
in
a
deformation
manner,
exhibiting
enormous
potential
construction
bidirectional
devices.
Existing
reviews
on
primarily
focus
energy
harvesters
sensors,
recent
development
piezoelectret‐based
has
not
been
comprehensively
reviewed.
Herein,
comprehensive
overview
construction,
along
with
advances
devices,
is
provided.
First,
timeline,
key
characteristics,
various
fabrication
methods
are
introduced.
Subsequently,
following
underlying
mechanisms
electromechanical
signal
conversion
piezoelectret,
strategies
improve
d
33
coefficients
proposed.
The
principles
perception
feedback
also
highlighted,
representative
works
progress
this
area
summarized.
Finally,
challenges
opportunities
associated
improving
overall
practicability
materials‐based
discussed.
Sensors,
Journal Year:
2023,
Volume and Issue:
23(3), P. 1563 - 1563
Published: Feb. 1, 2023
We
often
interact
with
our
environment
through
manual
handling
of
objects
and
exploration
their
properties.
Object
properties
(OP),
such
as
texture,
stiffness,
size,
shape,
temperature,
weight,
orientation
provide
necessary
information
to
successfully
perform
interactions.
The
human
haptic
perception
system
plays
a
key
role
in
this.
As
virtual
reality
(VR)
has
been
growing
field
interest
many
applications,
adding
feedback
experiences
is
another
step
towards
more
realistic
However,
integrating
haptics
manner,
requires
complex
technological
solutions
actual
user-testing
environments
(VEs)
for
verification.
This
review
provides
comprehensive
overview
recent
wearable
devices
(HDs)
categorized
by
the
OP
which
they
have
verified
VE.
found
13
studies
specifically
addressed
HDs
healthy
subjects.
map
discuss
different
are
useful
design
future
object
interactions
VR,
recommendations.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(5), P. 465 - 465
Published: March 4, 2024
Flexible
electronics
is
a
cutting-edge
field
that
has
paved
the
way
for
artificial
tactile
systems
mimic
biological
functions
of
sensing
mechanical
stimuli.
These
have
an
immense
potential
to
enhance
human-machine
interactions
(HMIs).
However,
still
faces
formidable
challenges
in
delivering
precise
and
nuanced
feedback,
such
as
achieving
high
sensitivity
emulate
human
touch,
coping
with
environmental
variability,
devising
algorithms
can
effectively
interpret
data
meaningful
diverse
contexts.
In
this
review,
we
summarize
recent
advances
sensory
systems,
piezoresistive,
capacitive,
piezoelectric,
triboelectric
sensors.
We
also
review
state-of-the-art
fabrication
techniques
Next,
focus
on
applications
HMIs,
intelligent
robotics,
wearable
devices,
prosthetics,
medical
healthcare.
Finally,
conclude
future
development
trends
Haptic
interactions
between
human
and
machines
are
essential
for
information
acquisition
object
manipulation.
In
virtual
reality
(VR)
system,
the
haptic
sensing
device
can
gather
to
construct
elements,
while
feedback
part
transfer
feedbacks
with
tactile
sensation.
Therefore,
exploring
high-performance
interface
imparts
closed-loop
interaction
VR
system.
This
review
summarizes
state-of-the-art
VR-related
techniques
based
on
hardware
parts.
For
sensor,
we
focus
mechanism
scope
(piezoresistive,
capacitive,
piezoelectric,
triboelectric)
introduce
force
gesture
translation,
touch
identification
in
functional
view.
terms
of
feedbacks,
methodologies
including
mechanical,
electrical,
elastic
actuators
surveyed.
addition,
interactive
application
control,
immersive
entertainment,
medical
rehabilitation
is
also
summarized.
The
challenges
given
accuracy,
durability,
technical
conflicts
devices,
bottlenecks
various
as
well
Besides,
prospects
outlined
artificial
intelligence
things,
wise
technology
medicine,
multimedia
areas.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 19, 2024
Abstract
Bidirectional
haptic
communication
devices
accelerate
the
revolution
of
virtual/augmented
reality
and
flexible/wearable
electronics.
As
an
emerging
kind
flexible
piezoelectric
materials,
piezoelectret
materials
can
effortlessly
convert
mechanical
force
into
electrical
signals
respond
to
fields
in
a
deformation
manner,
exhibiting
enormous
potential
construction
bidirectional
devices.
Existing
reviews
on
primarily
focus
energy
harvesters
sensors,
recent
development
piezoelectret‐based
has
not
been
comprehensively
reviewed.
Herein,
comprehensive
overview
construction,
along
with
advances
devices,
is
provided.
First,
timeline,
key
characteristics,
various
fabrication
methods
are
introduced.
Subsequently,
following
underlying
mechanisms
electromechanical
signal
conversion
piezoelectret,
strategies
improve
d
33
coefficients
proposed.
The
principles
perception
feedback
also
highlighted,
representative
works
progress
this
area
summarized.
Finally,
challenges
opportunities
associated
improving
overall
practicability
materials‐based
discussed.