Control
Engineering magazine usually has good machine vision articles, and
the May 2013 edition is no exception. “Quality
control measurements for smooth surfaces”
is a light introduction addressing the use of a “laser camera
hybrid system”. Think of it as an appetizer before diving in to the
delicious meaty steak that is “3D
vision system performs rope wear analysis”.
The
latter article describes a system using three camera-laser pairs to
obtain continuous, (okay, not truly continuous, but sampling at a
high frequency,) data about the surface for of wire rope. Then they
shine the laser longitudinally on the rope and discuss what data that
provides. There are also some good links to related material, so
all-in-all, there’s plenty to chew on.
I
can’t help thinking though that Bytewise does much the same thing
with their Profile360 system for monitoring continuous extrusions.
But perhaps the Bytewise software didn’t provide all the
information that was needed.
Good
articles, all the same.
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