数控系统DDA圆弧插补改进算法的研究

On the Improved Circular Interpolation Arithmetic of DDA in CNC system

根据DDA插补算法的基本思想,提出了一种DDA圆弧插补改进算法,介绍了该算法的基本原理和实现算法。比较传统的插补算法,对插补改进算法的误差进行了具体的分析,结果表明DDA圆弧插补改进算法具明显的优势,可以有效提高计算精度和计算效率。

Based on the principle of the circular interpolation arithmetic of DDA, a new improved arithmetic is proposed, as well as the basic principle and realization of the arithmetic are introduced in this paper. The paper in detail analyses the error of this new arithmetic contrasted to the traditional arithmetic. The results indicate that the improved arithmetic possesses the obvious advantages and can effectively improve the computation precision and efficiency.