Finite element modeling of the biomechanical properties of Populus tomentosa branches and analysis of pruning mechanisms
Computers and Electronics in Agriculture,
Год журнала:
2025,
Номер
236, С. 110502 - 110502
Опубликована: Май 9, 2025
Язык: Английский
Research on Recognition of Green Sichuan Pepper Clusters and Cutting-Point Localization in Complex Environments
Agriculture,
Год журнала:
2025,
Номер
15(10), С. 1079 - 1079
Опубликована: Май 16, 2025
The
harvesting
of
green
Sichuan
pepper
remains
heavily
reliant
on
manual
field
operations,
but
automation
can
enhance
the
efficiency,
quality,
and
sustainability
process.
However,
challenges
such
as
intertwined
branches,
dense
foliage,
overlapping
clusters
hinder
intelligent
by
causing
inaccuracies
in
target
recognition
localization.
This
study
compared
performance
multiple
You
Only
Look
Once
(YOLO)
algorithms
for
proposed
a
cluster
segmentation
method
based
K-means++
cutting-point
localization
strategy
using
geometry-based
iterative
optimization.
A
dataset
containing
14,504
training
images
under
diverse
lighting
occlusion
scenarios
was
constructed.
Comparative
experiments
YOLOv5s,
YOLOv8s,
YOLOv11s
models
revealed
that
achieved
recall
0.91
leaf-occluded
environments,
marking
21.3%
improvement
over
with
detection
speed
28
Frames
Per
Second(FPS).
K-means++-based
separation
algorithm
(K
=
1~10,
optimized
via
elbow
method)
developed
combined
OpenCV
to
iteratively
solve
minimum
circumscribed
triangle
vertices.
longest
median
extension
line
dynamically
determined
be
cutting
point.
experimental
results
demonstrated
an
average
deviation
20
mm
valid
ratio
69.23%.
research
provides
robust
visual
solution
equipment,
offering
both
theoretical
engineering
significance
advancing
automated
(Zanthoxylum
schinifolium)
specialty
economic
crop.
Язык: Английский
Construction and testing of an empirical model for calculating the tumbled range of dry prickly ash particles on the separation belt
Liewang Cao,
Chen Ma,
Haobo Jiao
и другие.
Computers and Electronics in Agriculture,
Год журнала:
2024,
Номер
218, С. 108711 - 108711
Опубликована: Фев. 19, 2024
Язык: Английский
Test and analysis of walnut (Juglans regia L.) tree vibration transfer based on a low-frequency shaking table
Industrial Crops and Products,
Год журнала:
2024,
Номер
216, С. 118797 - 118797
Опубликована: Май 21, 2024
Язык: Английский
Construction and Testing of an Empirical Model for Calculating the Tumbled Range of Dry Prickly Ash Particles on the Separation Belt
Liewang Cao,
Chen Ma,
Haobo Jiao
и другие.
Опубликована: Янв. 1, 2023
In
this
paper,
an
empirical
model
is
proposed
for
calculating
the
tumbled
range
of
dry
prickly
ash
particles
on
separation
belt
to
provide
a
method
obtaining
individual
ranges
pericarp,
closed
exocarp,
and
seed
achieve
transverse
inclined
mechanism.
First,
single-factor
test
was
conducted
mechanism,
movement
trajectories
surface
were
extracted
based
Kalman
filtering
high-speed
camera
system.
Then,
during
tumbling
simplified
through
regression
analysis,
from
which
derived.
Furthermore,
X-axis
acceleration
Y-axis
velocity
determined
by
combining
kinetic
analysis
normal
distribution
test.
Finally,
used
derive
pericarp
particle
at
optimal
inclination
lateral
end
divided
into
collecting
area,
reseparating
wasting
area.
After
validation,
it
shown
that
average
mass
proportion
in
area
97.3%,
agrees
with
calculations.
The
instructive
process
can
be
applied
study
spherical
motional
surface.
Язык: Английский