A Novel Probe Based on Photoconductive Effect for Non-Destructive Testing
ASME Open Journal of Engineering,
Journal Year:
2025,
Volume and Issue:
4
Published: Jan. 1, 2025
Abstract
This
research
is
primarily
motivated
by
the
demand
for
a
convenient
and
economical
nondestructive
testing
solution
in
industrial
scenarios.
We
present
novel
probe,
which
ingeniously
designed
with
photoresistor
sensor
an
illuminated
light
board,
possessing
remarkable
features
such
as
outstanding
portability,
minimal
power
consumption,
low
cost.
The
experimental
evaluation
of
probe
involves
line-scanning
process
above
crack
position
aluminum
plate.
As
result,
output
signal
form
variable
resistance
values
obtained.
Notably,
distinct
peaks
emerge
precisely
when
traverses
defects.
These
serve
crucial
indicator
detecting
surface
defects
plates.
Moreover,
varying
amplitudes
offer
reliable
means
to
discriminate
between
different
depths.
holds
significant
potential
application
quality
assurance
manufacturing,
well
routine
inspection
metallic
structures,
facilitating
enhanced
safety
reliability
engineering
applications.
Language: Английский
Palm Gripper Measurement Device for Post-Stroke Rehabilitation Progressive Tracking
Journal of Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
21(1), P. 237 - 253
Published: Jan. 15, 2024
Various
devices
are
used
in
the
medical
world
to
measure
grip
force.
However,
there
is
no
well-defined
method
being
quantify
distribution
of
forces
applied
by
post-stroke
patients.
It
important
track
patient's
progress
neurofeedback
training
throughout
rehabilitation
with
quantitative
evaluation.
A
palm
gripper
measurement
device
developed,
equipped
Force
Sensing
Resistors
(FSRs)
(RP-S40-ST
model)
capture
The
provides
valuable
insights
into
assessing
analogue
value
from
FSRs
linearly
interpolated
input
range
output
using
map
function;
'map(avg_force,
0,
1023,
15)'
scale
'fsrReading'
0
1023.
converted
a
score
15
bar
graph
indicate
amount
force
measured.
accuracy
showed
Pearson’s
r
shows
correlation
trend
between
and
length
0.97651
0.98083,
respectively.
matrix
was
plotted
for
three
subjects
different
object
sizes
testing
which
adjusted
R2
0.955
highest
big
objects
lowest
0.63672
small
objects.
Language: Английский