激光打标机数字控制系统的设计与开发  

Design of Digital Controller for the Laser Marking System

作　　者：张定群[1] 杨新锋[2] 

机构地区：[1]南阳理工学院电子与电气工程系,河南南阳华中科技大学473004 [2]南阳理工学院计算机科学与技术系

出　　处：《微计算机信息》2008年第23期137-138,166,共3页Control & Automation

摘　　要：本文设计了一种在激光打标机中是使用的数字控制器,由以下几部分组成:AT89C52为核心的最小系统、串行通讯接口、步进电机控制与驱动电路、光栅尺信号处理模块以及键盘与数码显示接口电路。步进电机的控制与驱动电路采用步进电机控制专用芯片TA8435H构成。可以对步进电机进行细分控制,电路设计简洁,性能可靠。A new electric control system used in laser micro-processing system is developed in this paper. The Digital controller is the kernel of the electric control system and it is composed of minimum system based on AT89C52 ,serial interface ,control and driv- ing circuit of step motor, processing unit of grating scale signal, keyboard and digital displayer interface, Control and driving circuit of step motor is based on TA8435H which is a kind of special-purpose chip for driving bipolar step motor. It has characteristics of brief circuit, high stability and subdivision.

关 键 词：控制器 步进电机 驱动电路 激光打标 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]