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of O
a O
biprism S-MACEQ
and O
a O
camera S-MACEQ
is O
designed S-FEAT
to O
monitor S-CONPRI
the O
molten B-PARA
pool I-PARA
geometry E-PARA
. O
The O
molten B-PARA
pool I-PARA
width E-PARA
in O
a O
captured O
image S-CONPRI
pair O
is O
extracted S-CONPRI
by O
a O
series O
of O
procedures O
, O
such O
as S-MATE
sensor O
calibration S-CONPRI
, O
image S-CONPRI
pair O
rectification O
, O
disparity O
calculation O
, O
and O
width O
reconstruction S-CONPRI
. O
A O
verification B-CHAR
test E-CHAR
is O
conducted O
and O
reveals O
that O
the O
detection O
error S-CONPRI
of O
the O
sensing B-CHAR
system E-CHAR
is O
less O
than O
3 O
% O
. O
To O
keep O
consistent O
layer S-PARA
width O
in O
each O
layer S-PARA
, O
the O
deviation O
of O
the O
molten B-PARA
pool I-PARA
width E-PARA
is O
compensated O
by O
designing O
a O
fuzzy B-MACEQ
intelligent I-MACEQ
controller E-MACEQ
to O