基于等距三次均匀有理B样条曲线反求设计方法的研究  

Reverse Design of High Precision Cam Based on Offset Cubic Uniform Rational B_spline Curve

作　　者：张金萍[1] 罗鹏[1] 张利国[1] 董林福[1] 赵艳春[1] 

机构地区：[1]沈阳化工学院机械工程学院

出　　处：《沈阳化工学院学报》2005年第3期216-219,共4页Journal of Shenyang Institute of Chemical Technolgy

摘　　要：在对反求工程中的关键技术各种曲线曲面拟合方法进行比较的基础上,深入研究逼近程度高、适应性强、计算简便且便于控制的三次均匀有理B样条曲线,为有效解决三坐标测量机测头半径的补偿问题,又引入等距曲线.重点推导等距三次均匀有理B样条曲线插值算法,并将其应用于某高速运转的高精度凸轮反求,其反求出来的凸轮,无论进行机构仿真还是实际应用均能满足要求.This paper shows a deep study of highly characterized and relatively small size Cubic Uniform Rational B-spline Curve spline, which is based on a thorough comparison among various key technologies used in reverse engineering——the fitting methods of curve and surface, then this theory is used to work out arithmetic for interpolation of B_spline, for its successful application of high precision cam reverse design.

关 键 词：B样条曲线 等距曲线 凸轮反求 精度 

分 类 号：TH391[机械工程—机械制造及自动化]