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Evaluation of the shape deviation of non rigid parts from optical measurements

Abstract : This paper deals with an approach to identify geometrical deviations of flexible parts from optical measurements. Each step of the approach defines a specific issue which we try to respond to. The problem of measurement uncertainties is solved using an original filtering method, which permits to only consider a few number of points. These points are registered on a mesh of the CAD model of the constrained geometry. The shape resulting from deflection can be identified through the finite-element simulation of the part's deformation due to its own weight and the measuring setup. Finally, geometrical deviations are obtained by subtracting geometrical deflections to measured geometrical deviations. The method is illustrated in an experimental test case.
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Submitted on : Wednesday, August 31, 2016 - 10:50:39 AM
Last modification on : Wednesday, November 3, 2021 - 6:16:46 AM
Long-term archiving on: : Friday, December 2, 2016 - 12:04:07 AM


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François Thiebaut, Cyril Lacroix, Claire Lartigue, Loïc Andolfatto. Evaluation of the shape deviation of non rigid parts from optical measurements. International Journal of Advanced Manufacturing Technology, Springer Verlag, 2016, ⟨10.1007/s00170-016-8899-3⟩. ⟨hal-01358143⟩



Les métriques sont temporairement indisponibles