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Alternative TitleMethod for numerical control machining and path planning on mesh surface based on conformal parameterization
赵吉宾; 邹强; 刘殿海; 李论
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention discloses a method for parameterization planning of a machining path on a mesh surface by the advantage that conformal parameterization can locally keep shape consistency of a curved surface and a parameter domain. The method comprises the following steps: performing local conformal mapping on points on a triangular mesh surface M through a method for calculating barycentric coordinates by directly utilizing a geodesic line; fusing the local mappings together in a manner of solving an equation set to obtain integral conformal mapping; determining forward step lengths and lateral step lengths of path nodes by local similarity of conformal parameterization; working out the nodes by free boundary property of conformal parameterization according to path forms and characteristics of linear paths, annular paths and spiral paths, and working out a required path form. Compared with a conventional method, a machining path generated by the method disclosed by the invention has the advantages of simple geometric parameter computation, boundary consistency, smoothness and the like; experimental results and analysis show that the method is simple in computation, relatively small in error and suitable for planning various paths.
PCT Attributes
Application Date2013-10-29
Application NumberCN201310525827.X
Open (Notice) NumberCN104570928A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
赵吉宾,邹强,刘殿海,等. 基于共形参数化的网格曲面上数控加工轨迹规划方法[P]. 2015-04-29.
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