Reverse engineering of composite sculptured surfaces

NCU Institutional Repository > 工學院 > 機械工程研究所 > 期刊論文 > Item 987654321/27050

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題名:	Reverse engineering of composite sculptured surfaces
作者:	Lai,JY;Lu,CY
貢獻者:	機械工程學系
關鍵詞:	N/A
日期:	1996
上傳時間:	2010-06-29 18:06:28 (UTC+8)
出版者:	中央大學
摘要:	A reverse engineering technique is proposed in this study for modelling composite sculptured surfaces. The proposed technique includes a sur;face fitting algorithm and a surface blending algorithm. The former is formulated as the least-squares minimisation problem for which an error expression was minimised which yields the optimised position of control points and parameter values for the non-uniform rational B-spline patch. Cubic spline and bicubic surface algorithms are developed for true-patch and four-patch blending, respectively. Computer simulation results clearly demonstrate that the proposed technique is useful for composite surfaces modelling applications. Factors affecting the convergence speed and surface accuracy in the optimisation process are also discussed.
關聯:	INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
顯示於類別:	[機械工程研究所] 期刊論文

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