基于CORDIC算法的反正切函数IP核的设计与优化

Design and optimization of arctangent function IP core based on CORDIC algorithm

本文基于传统的CORDIC算法原理,采用经典的CORDIC硬件架构,实现了反正切函数模块的设计和仿真。针对CORDIC算法的局限性和电机驱动的工程应用场景,本文对反正切函数电路方案进行优化,最终完成了反正切函数的ASIC硬件电路设计。经过验证表明,该电路的输出角度范围和角度输出方式得到了改进,角度误差符合设计要求,适用于电机驱动等应用场合。

Based on the traditional CORDIC algorithm principle,this article uses the classic CORDIC hardware architecture to realize the design and simulation of the arctangent function module.Aiming at the algorithm limitation of CORDIC principle and engineering application scenarios of motor drive,this paper optimizes the arctangent function and completes the ASIC hardware circuit design of the arctangent function.Finally,the verification shows that the output angle range and angle output mode of the circuit have been improved,the angle error meets the design requirements,and it is suitable for applications such as motor drive.