复杂空间参数曲线加工的插补算法

被引:5
作者
张志强
王太勇
胡世广
赵丽
张志伟
吴振勇
机构
[1] 天津大学机械工程学院
关键词
复杂空间参数曲线; 插补算法; 插补点参数; 误差补偿; 实时性;
D O I
暂无
中图分类号
TP391.7 [机器辅助技术];
学科分类号
摘要
以一阶泰勒展开式插补算法和平面参数曲线插补算法为基础,提出引入误差补偿值的复杂空间参数曲线插补算法(IAIECCS).该算法是在粗确定插补点参数后,引入误差补偿值,通过求解矩阵方程提高插补点的计算精度.根据IAIECCS算法与一、二阶泰勒展开式算法在对插补点参数值计算时产生误差的原因,给出3种算法的插补点参数值误差表达式.Nurbs曲线仿真实例表明该算法所计算的插补点参数值误差小,实时性好.
引用
收藏
页码:1331 / 1335
页数:5
相关论文
共 8 条
[1]  
The speed-controlled interpo-lator for m ach in ing param etric curves. Yeh Syh-Sh iuh,Hsu Pau-Lo. Computer Aided Design . 1999
[2]  
Param etric interpolator versus linearinterpolator for prec ision CNC m ach in ing. Yang D C H,,Kong T. Computer Aided Design . 1994
[3]  
Adaptive-feed rate interpola-tion for param etric curves w ith a confined chord error. Yeh Syh-Sh iuh,Hsu Pau-Lo. Computer Aided Design . 2002
[4]  
Advanced interpolation techn iquesfor CNC m ach ines. Bed i S,,A li I,Quan N. Trans ASME J Engng Industry . 1993
[5]  
Space curve interpolation for CNC m ach ines. Om irou S L. Journal ofMaterials Processing Technology . 2003
[6]  
Computer Control ofManufacturing System s. Koren Y. . 1982
[7]  
Adaptive interpolation schem e for Nurbs curves w ith the in-tegration ofm ach in ing dynam ic. L iu X ianb ing,Ahm ad Fahad,Yam azak i Kazuo,et al. International Journal ofMachine Tools andManufacture . 2005
[8]  
Generation colli-sion-free 5-axis tool paths using a haptic surface. Balasubram an iam M,Sarm a S,Adach i Y. Computer Aided Design . 2002