Advanced Sensor Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Abstract
An
integrated
strain
sensor
system
that
has
a
unique
response
to
specific
(set
of)
human
movement(s)
the
potential
impact
various
musculoskeletal
health
tracking
applications
akin
step
counter's
on
physical
activity
tracking.
It
is
determined
an
open
circuit
state
of
can
be
used
as
such
response.
With
this
consideration,
digital
(DigSS)
exhibits
binary
(i.e.,
ON/OFF)
when
threshold
level
exceeded
developed.
The
channel
geometry
dependence
corner
flow
in
capillaric
sensors
(CSS)
resulting
electrofluidic
switch
used.
demonstrated
through
coalescence
and
breakup
liquid
meniscus,
DigSS
operates
for
hundreds
cycles
with
limit
detection
0.0026.
To
facilitate
integration,
linear
optimization‐based
computer‐aided
design
tool
(iDigSS)
created.
Experimental
validation
shows
iDigSS
distinguishes
target
strain‐field
profile
from
35
36
theoretically
distinguishable
profiles
without
requiring
signal
processing.
Human
subject
trials
demonstrate
system's
ability
differentiate
shoulder
movement
five
others
wirelessly
record
wrist
extension
counts
durations.
