基于Bzier曲线的三坐标测量机自适应测量算法研究  

Adaptive Measurement Algorithm for CMM Based on Bézier Curve

作　　者：薛莹 何雪明[1,2] 

机构地区：[1]江南大学机械工程学院,江苏无锡214122 [2]华中科技大学机械科学与工程学院,湖北武汉430074

出　　处：《机床与液压》2010年第7期14-16,共3页Machine Tool & Hydraulics

基　　金：国家自然科学基金项目(50575082)

摘　　要：研究了用三坐标测量机测量自由曲面的测量路径规划问题,提出一种基于五次Bzier曲线的曲率连续自适应测量算法,并用LK-DMIS编程实现了该算法的实际测量。通过比较不同阶次Bzier曲线的自适应测量算法,结果证明了曲率连续自适应测量算法的有效性、精确性和快速性。The CMM measurement path planning of free-form surface was researched, and a curvature continuous adaptive measurement algorithm based on 5-th Bezier curve was presented, the actual measurement based on the algorithm was implemented by DMIS programming. By comparing the measurement results of Bezier curves with different orders, it is proved the validity, accuracy and efficiency of the curvature continuous adaptive measurement algorithm.

关 键 词：三坐标测量机 自由曲面 Bzier曲线 曲率连续 自适应测量 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]