A new feedrate adaptation control NURBS interpolation based on de Boor algorithm in CNC systems

被引：2
|
作者：
Wang, Tianmiao [2 ]
Cao, Yunan [2 ]
Chen, Youdong [2 ]
Wei, Hongxing [2 ]
Wang, Bin [2 ]
Shao, Zili [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Comp, Hong Kong, Hong Kong, Peoples R China
[2] Beijing Univ Aeronaut & Astronaut, Inst Robot, Beijing, Peoples R China
来源：
2008 AMERICAN CONTROL CONFERENCE, VOLS 1-12 | 2008年
关键词：
D O I：
10.1109/ACC.2008.4587131
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The interpolation method and feedrate adaptation control are the two most important factors to influence the quality and accuracy of manufacturing for NURBS on CNC systems. In this paper, we propose an integrated approach to solve the feedrate adaptation control NURBS interpolation problem by considering interpolation and feedrate control together with the "tail" handling. We propose a de-Boor-algorithm-based NURBS interpolation model with the second-order Taylor expansion and design a new algorithm to calculate actual deceleration points to remove the "tail" based on a novel concept, reverse NURBS interpolation. To supplement the tail removal in velocity control, a novel feedrate adaptation control algorithm is proposed. The experimental results show that our integrated method can significantly improve the accuracy.
引用
收藏
页码：4075 / +
页数：2
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