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Titolo:
Determining a pair of concentric spheres for assessing sphericity errors using discrete Voronoi diagrams
Autore:
Kim, K; Lee, S; Choi, Y; Jeong, J;
Indirizzi:
Pohang Univ Sci & Technol, Dept Ind Engn, CAD CAM Lab, Pohang 790784, South Korea Pohang Univ Sci & Technol Pohang South Korea 790784 790784, South Korea
Titolo Testata:
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
fascicolo: 10, volume: 16, anno: 2000,
pagine: 728 - 732
SICI:
0268-3768(2000)16:10<728:DAPOCS>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPUTATION;
Keywords:
geometric error; sphere; sphericity; Voronoi diagram;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Kim, K Pohang Univ Sci & Technol, Dept Ind Engn, CAD CAM Lab, Pohang 790784, South Korea Pohang Univ Sci & Technol Pohang South Korea 790784 , South Korea
Citazione:
K. Kim et al., "Determining a pair of concentric spheres for assessing sphericity errors using discrete Voronoi diagrams", INT J ADV M, 16(10), 2000, pp. 728-732

Abstract

In this paper, we propose a new procedure Soi computing a pair of concentric spheres with a minimum radial separation for assessing sphericity errorsby constructing discrete farthest and nearest Voronoi diagrams. The properties of 3D Voronoi diagrams are explored to determine a pair of concentric spheres with minimum radial separation such that all the data points are bounded by these two spheres. A voxel map is used to construct a discrete Voronoi diagram. The convergence of die proposed procedure to the true global minimum sphericity error is guaranteed. This procedure works for various forms of spherical measurement data, including scattered measurement points. The proposed procedure is simple in implementation and effective in computation.

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Documento generato il 02/06/20 alle ore 01:53:49