2016-11-182007-06@inproceedings{2007_Ruiz_Statistical, title={Statistical Assessment of Global and Local Cylinder Wear}, author={Ruiz, O. and Vanegas, C.}, booktitle={5th IEEE International Conference on Industrial Informatics}, pages={378--392}, isbn={1-4244-0865-2}, issn={1935-4576}, address={Vienna, Austria}, year={2007}, }978-1-4244-0850-41935-4576http://hdl.handle.net/10784/9721Assessment of cylindricity has been traditionally performed on the basis of cylindrical crowns containing a set of points that are supposed to belong to a controlled cylinder – As such, all sampled points must lie within a crown. In contrast, the present paper analyzes the cylindricity for wear applications, in which a statistical trend is assessed, rather than to assure that all points fall within a given tolerance -- Principal Component Analysis is used to identify the central axis of the sampled cylinder, allowing to find the actual (expected value of the) radius and axis of the cylinder -- Application of k-cluster and transitive closure algorithms allow to identify particular areas of the cylinder which are specially deformed -- For both, the local areas and the global cylinder, a quantile analysis allows to numerically grade the degree of deformation of the cylinder -- The algorithms implemented are part of the CYLWEAR system and used to assess local and global wear cylindersapplication/pdfenginfo:eu-repo/semantics/conferencePaperinfo:eu-repo/semantics/closedAccessCILINDROSTOLERANCIA (INGENIERÍA)AJUSTE DE CURVASMEDICIÓNSUPERFICIES - DEFORMACIONESDISEÑO CON AYUDA DE COMPUTADORMODELOS MATEMÁTICOSMÍNIMOS CUADRADOSCylindersTolerance (Engineering)Curve fittingMensurationSurfaces, deformation ofComputer-aided DesignMathematical modelsLeast squaresDesviaciones estándarModelos tridimensionalesAcceso cerrado2016-11-18Ruíz, ÓscarVanegas, Carlos10.1109/INDIN.2007.4384788