机械与电子2016,Vol.34Issue(4):3-7,5.
基于Steffensen迭代法的NURBS曲线插补算法
NURBS Interpolation Algorithm Based on Steffensen Iteration Method
摘要
Abstract
In order to solve the problem of calculating curve parameters of NURBS interpolation and to improve the real time performance,a method based on Steffensen iteration is proposed.Firstly,it uses a linear multistep method to estimate the parameter values precisely.Then the adaptive velocity planning is carried out with the machining conditions,such as maximum chord error and maximum feed rate.The iter-ation correction of parameters is on the basis of planning step length.The algorithm is fast and accurate,a-voiding the derivation process,which can meet the accuracy and real time requirements of CNC systems.关键词
非均匀有理B样条曲线/Steffensen迭代法/自适应速度控制Key words
NURBS/Steffensen iteration method/adaptive feed rate control分类
信息技术与安全科学引用本文复制引用
刘念,赵东标,杨剑波..基于Steffensen迭代法的NURBS曲线插补算法[J].机械与电子,2016,34(4):3-7,5.基金项目
国家自然科学基金(51175261) (51175261)
高等学校博士学科点专项科研基金(20123218110020) (20123218110020)
国家重点基础研究发展计划(2014CB046501) (2014CB046501)