| High accuracy NURBS interpolation for five-axis machine of table-rotating/spindle-tilting type |
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| 作者姓名： | 吴广宽 席光 樊宏周 郑健生 |
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| 作者单位： | School of Energy ＆ Power Engineering, Xi＇an Jiaotong University, Xi＇an 710049, China |
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| 摘 要： |
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| 关 键 词： | 五轴机械 非均匀有理B样条插值 机械设计 线性插值误差 |
| 文章编号： | 1671-8267（2007）02-0149-05 |
High accuracy NURBS interpolation for five-axis machine of table-rotating/spindle-tilting type |
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| Wu Guangkuan,Xi Guang,Fan Hongzhou,Zheng Jiansheng.High accuracy NURBS interpolation for five-axis machine of table-rotating/spindle-tilting type[J].Academic Journal of Xi’an Jiaotong University,2007,19(2):149-153,158. |
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| Authors: | Wu Guangkuan Xi Guang Fan Hongzhou Zheng Jiansheng |
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| Abstract: | In this paper, the definition of NURBS curve and a speed-controlled interpolation in which the feed rate is automatically adjusted in order to meet the specified chord error limit were discussed. Besides those, a definition of linear interpolation error of post-processed data was proposed, which should be paid more attention to because it will not only reduce quality of the surface but also may cause interference and other unexpected trouble. In order to control the error, a robust algorithm was proposed, which successfully met a desired error limit through interpolating some essential CL data. The excellence of the proposed algorithm, in terms of its reliability and self-adaptiveness, has been proved by simulation results. |
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| Keywords: | five-axis machine NURBS chord error linear interpolation error algorithm |
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