NASA NTRS · 19870000518
Optoelectronic Proximity Sensor Finds Edges
Abstract
Seams tracked for automatic control of welding. Optoelectronic system based on relatively simple array of optical proximity sensors locates edge of plate. Used to control automatic production machinery. System follows curved seams as well as straight ones, and neither special control programming nor precise initial positioning workpiece necessary for accurate tracking of seam.
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Bejczy, Antal K.. 1987-11-01. Optoelectronic Proximity Sensor Finds Edges. https://ntrs.nasa.gov/citations/19870000518
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