-
NURBS110707
高速切削加工技术是一种先进的制造技术,具有强大的生命力和广阔的应
用前景,已成为切削加工的主流。数控插补技术是数控系统实现轨迹运动控制
的基础,插补运算是CNC系统软件实现运动控制的核心模块,插补算法的优劣
将直接影响到CNC系统的性能。因此,实现一种高精度和高速度的插补方法是
插补的关键所在。
本文在分析传统基准脉冲插补、数据采样插补的算法的基础上,着重研究
了三次NURBS曲线实时插补技术,针对部分算法的不完整或效率低,提出了
一种简单快捷的插补算法。采用NURBS曲线的矩阵表达式,将整个插补过程
分解为插补预处理和实时插补。在插补预处理中完成了大量的计算,预处理的
计算结果直接应用于实时插补,使插补算法满足了NURBS曲线插补的实时性
要求,再辅以必要的轮廓误差控制,实现了加工速度自适应于加工路径的
NURBS曲线直接插补。
本文讨论的插补算法采用C++语言实现,并在VC++6.0的编程环境中实现
了插补算法的计算机仿真,验证了算法的正确性和可行性。(The high speed cutting is one of advanced manufacture technique,which has the powerful vitality and the broad application,and already became the mainstream of machining.The interpolation technology of NC is the foundation of path s control in the CNC system,and the interpolation operation is the core module of
CNC system software,which comes the motion control true.The interpolation
algorithm,whose function is good or bad,directly influences the performance of CNC system.So,a kind of interpolation method with the high accuracy and high speed is the key of interpolation.
Based on analyzing the traditional pulse interpolation and data sampling
interpolation,this paper emphasizes on the NURBS curve real-time interpolation
technology.In view of the partial algorithms which is incomplete and the low efficiency,this paper propose a simple and quick interpolation algorithm.Using the
matrix representation of NURBS curve,the whole interpolation process is divided into appropriate pretreat)
- 2011-07-07 11:46:17下载
- 积分:1
-
cracker
黑客破解一类的书籍,不仅能破解网站,也能破解软件,好好学吧(Hackers break a class of books, not only to crack sites, but also crack the software, a good school bar)
- 2009-10-31 16:19:56下载
- 积分:1
-
IP_Over_SDH
介绍了Ip over SDH的基本知识和技术。(introduced Ip over SDH the basic knowledge and skills.)
- 2020-09-15 18:27:57下载
- 积分:1
-
TextureMapping
这是浙大鲍虎军教授演讲的纹理映射技术,内容十分详细。(This is Professor of Hu-Jun Bao Zheda speech texture mapping techniques, very detailed.)
- 2009-06-16 16:17:27下载
- 积分:1
-
83_REALTEK8019as
83_REALTEK8019as 芯片资料(中文)(83_REALTEK8019as chip data (Chinese))
- 2011-05-26 08:45:50下载
- 积分:1
-
Machine-Learning
基于高斯过程的机器学习,其中包括回归问题和分类问题(machine learning)
- 2016-07-02 16:42:35下载
- 积分:1
-
Spherical-shell-model
利用ansys进行球壳的建模,可以用来模拟液体储罐的大型工业结构的分析计算(Ansys modeled using a spherical shell, can be used to simulate large-scale industrial structure analysis and calculation of liquid storage tanks.)
- 2021-01-20 20:48:41下载
- 积分:1
-
111111
数字图像处理的一些资料,希望对大家有点帮助!(Digital image processing of some information I hope all of us a little help!)
- 2009-12-25 21:38:17下载
- 积分:1
-
zifufengeyushibie
车牌识别系统中的字符分割与识别 硕士论文 很有帮助(License Plate Recognition System Character Segmentation and Recognition of Master' s thesis helpful)
- 2009-05-05 14:49:44下载
- 积分:1
-
NC-Programming-Courseware-entry
数控编程基础入门课件(本人非编程人员,但真心恳求得到一个下载个数)(NC Programming Courseware entry)
- 2014-05-21 08:49:04下载
- 积分:1