System and method for high speed surface and subsurface FOD and defect detection
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United States of America Patent
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Aug 7, 2018
Grant Date -
Feb 1, 2018
app pub date -
Aug 1, 2016
filing date -
Aug 1, 2016
priority date (Note) -
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Abstract
A system and method for the detection of foreign object debris materials or defects on and/or under a surface (e.g., outer ply) of a composite part being formed by a composite layup machine. A gantry moves over the composite part along a predetermined length thereof. A thermal excitation source fixed to the gantry directs infrared radiation across the width of the surface of the composite part. A infrared camera fixed to the gantry a predetermined distance away from the thermal excitation source scans the surface as the gantry moves to detect and output scan information thereof. A controller is coupled to the thermal excitation source and to the infrared camera. The controller processes the sequence of infrared images to identify a foreign object debris material or defect located on and/or under the surface.
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