Fiber path planning to reduce in-plane curvature

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United States of America Patent

PATENT NO 11436390
SERIAL NO

16904954

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Abstract

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A method of planning fiber paths for a composite ply of a composite layup includes determining a first unit vector field. The first unit vector field represents a first approximation of target directions to be followed by tow centerlines of the composite ply. The first unit vector field is determined based on a specified rosette direction, a surface approximation of a nonplanar contoured surface of an object to be formed, and a fiber angle distribution. The method also includes determining, based on specified angle deviation bounds and the first unit vector field, a second unit vector field. The second unit vector field represents a second approximation of the target directions. The second approximation has reduced in-plane curvature relative to the first approximation. The method further includes planning a fiber placement head path for forming the composite ply of the composite layup based on the second unit vector field.

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Patent Owner(s)

  • THE BOEING COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blom-Schieber, Adriana Willempje Shoreline, US 20 24
Poskin, Jeffrey David Kent, US 3 0
Winfree, Troy Seattle, US 9 10

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