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采用模块化的设计思想；对急于主从分布式计算机控制步进电机的系统进行了研究． 设计了内嵌ＭＣＳ一５１单片机的步进电机控制电路．设计了以ＩＢＭ一ＰＣ计算机与ＭＣＳ－５１单 片机组成的主从分布式控制系统的硬件电路和软件．解决了 ＩＢＭ－ＰＣ计算机与各单片机之 间的数据通讯问题．经在焊缝自动跟踪三维滑台中使用，证实该系统结构简单。使用方便 且成本低，是解决多步进电机控制问题的理想方案．
The modular design concept is adopted. The system of stepping motor controlled by distributed computer is studied. Design a stepping motor control circuit embedded MCS 51 microcontroller. The hardware and software of master-slave distributed control system composed of IBM-PC computer and MCS-51 single-chip microcomputer are designed. Solved the problem of data communication between IBM-PC computer and SCM. It is proved that the system has a simple structure by automatically tracking the three-dimensional slide in the weld seam. Easy to use and low cost, is the ideal solution to the problem of multi-stepper motor control.