Resumen de Analyzing the Effect of Process Parameters on the Shape of 3D Profiles
Bianca M. Colosimo, Massimo Pacella
This paper differs from other examinations of process parameters in that it deals with three-dimensional shapes with curves in space rather than curves that lie on a plane. Modeling is done with complex principal component analysis (PCA), a generalization of PCA that uses complex rather than real numbers. Complex PCA is not sensitive to rotation about the origin and is a superior method of detecting the effect of controllable factors on profile shape. A case study in determining the straightness of lathe-turned items demonstrates this method’s suitability in determining characteristics related to geometric tolerances.
