基于dsPIC的DDA插补算法设计与研究  

Design and Research for DDA Interpolation Algorithm Based on dsPIC

作　　者：熊睿[1] 马国红[1] 聂军[1] 张裕明[2] 

机构地区：[1]南昌大学机电工程学院 [2]肯塔基大学电子显微镜中心

出　　处：《组合机床与自动化加工技术》2014年第10期57-59,62,共4页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家自然科学基金(61165008);江西省自然科学基金资助项目(20114BAB206004)

摘　　要：以Microship公司的dsPIC30F系列数字信号控制器为硬件控制核心,搭建了相应的硬件系统,针对逐点比较法插补效率和插补精度不高的缺点,采用DDA法实现了的直线和圆弧插补。借助于MPLAB-IDE软件开发环境,利用C语言设计了算法程序,设计了DDA插补程序,实现了高精度、高效率、低成本的直线和圆弧的插补。本文算法仿真结果表明,与逐点比较法相比,DDA插补方法进行直线插补,插补效率可以提高40%,精度提高50%,利用半加载DDA进行圆弧插补,插补效率可以提高10%,精度提高29%。Make use of dsPIC30 F series of digital signal controllers as hardware control core which is produced by Microship,build the appropriate hardware system. Adopt DDA method to achieve linear and circular interpolation. Aid MPLAB-IDE software development environment,using C language designed DDA interpolation algorithm to achieve a high-precision,high-efficiency,low-cost liner and circular interpolation.In this papper,algorithm simulation results show that,compared with the point-by-point comparision algorithm,for liner interpolation,DDA algorithm improve the interpolation efficiency more than 40%,interpolation accuracy more than 50%,for circular interpolation semi-loaded DDA improve efficiency more than10%,interpolation accuracy more than 29%.

关 键 词：数字信号控制器 DDA 插补 

分 类 号：TH166[机械工程—机械制造及自动化] TG65[金属学及工艺—金属切削加工及机床]