Real-Time Contour Error Estimation with NURBS Interpolator

被引：0
|
作者：
Zhang, Hongjian [1 ]
Ni, Xiaoyong [2 ]
Hu, Pan [2 ]
Yuan, Youjia [2 ]
机构：
[1] Wuhan Qingchuan Univ, Inst Elect Informat & Electromech Engn, Wuhan, Hubei, Peoples R China
[2] Univ Geosci Wuhan, Inst Mech & Elect Informat, Wuhan, Hubei, Peoples R China
来源：
2018 2ND INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION SCIENCES (ICRAS) | 2018年
关键词：
interpolator; contour error; NURBS; real-time; CROSS-COUPLED CONTROL; COMPENSATION; CONTROLLER; SYSTEMS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
NURBS interpolation algorithm is always adopted for free-form curves in high speed and high precision machining tools. The running speed for NURBS interpolator does not decrease to zero before reaching the final point of curve which may induce a large contour error at sharp corners. Therefore it is important for NURBS interpolator to control contour error. However contour error estimation for free-form curve costs more time and workload. In this paper a fast and iterative contour error estimation algorithm integrated with the interpolation is presented which increases the real-time of machining system. Experimental results are provided to verify the performance of contour error estimation algorithm.
引用
收藏
页码：41 / 45
页数：5
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