数控加工中平面参数曲线的拟合  

Plane Parametric Curves Fitting in Numerical Control Processing

作　　者：陈敏[1] 姜小敏[1] 陶涛[2] 沈耀仁[1] 

机构地区：[1]上海工程技术大学,上海200336 [2]上海大学,上海200436

出　　处：《机床与液压》2006年第4期70-72,共3页Machine Tool & Hydraulics

摘　　要：从计算几何、函数逼近论等数学理论出发,给出了在绝对坐标系下同向双圆弧拟合的计算公式和算法,对平面参数曲线进行了同向双圆弧拟合,并在数控加工中得到了良好的应用。Based on mathematical theories of calculation geometric and function approaching method, the biarc-curve fitting in the same direction was given in the original coordinates for arbitrary plane parametric curves and its calculation formula and arithmetic were given, which was applied in numerical control processing successfully.

关 键 词：双圆弧拟合 圆弧样条 数控加工 

分 类 号：TH164[机械工程—机械制造及自动化] TP391.7[自动化与计算机技术—计算机应用技术]