基于FPGA的多轴联动专用控制电路设计  

The Design of Specific Integrated Circuit for Multi-Axis Coordinated Motion Control based on FPGA

作　　者：张博[1] 葛红宇[1] 范伟[1] 郭玉明[1] 梁学佳 

机构地区：[1]南京工程学院自动化学院,江苏南京211167

出　　处：《南京工程学院学报（自然科学版）》2015年第4期42-46,共5页Journal of Nanjing Institute of Technology(Natural Science Edition)

基　　金：江苏省高校科研成果产业化推进项目(JHZD2012-5);全国大学生实践创新训练计划项目(201311276018Z)

摘　　要：为了提高多轴联动运动控制系统的实时性、高速性,提出并实现了一种面向高性能数控系统的多轴联动运动控制集成电路.采用数控三维轮廓控制的数字积分方法,提出多轴联动三维轮廓控制电路的原理结构,给出了相关的CPU读写控制、指令队列、插补控制与辅助控制等子电路的实现方法.利用VHDL语言描述电路,验证了上述方法与各构成电路.仿真试验表明:所研制电路能够实现预定功能,电机驱动脉冲频率可达1 MHz以上,相对于现有的多轴联动方法与电路,具有更好的集成度和可靠性.To improve the real time performance and speed of muhi-axes coordinated motion control system, an IC is developed. The principle and structure of the IC are suggested using digital integration method controlled by 3-D contour motion. The way of realizing sub-circuits of CPU＇s reading-writing module, instruction queue, motion control and auxiliary control is presented. VHDL language is then used to describe the circuits, and the above-mentioned methods and circuits are tested. The simulation indicates that the circuits can fulfill all the predicted functions. Besides, the frequency of driving pulse of 3-axis is higher than 1 MHz and is thus more reliable compared with the existing multi-axes coordinated methods and circuits.

关 键 词：运动控制 集成电路 多轴联动 实时性 

分 类 号：TP271.82[自动化与计算机技术—检测技术与自动化装置]