Research on the Driver and Control System of the Step Motor
摘要: 本文研究开发了一种步进电机驱动器及其控制系统。该系统以PC机作为上位机,以单片机作为下位机,可使上位机能够可靠地将经过处理的控制指令和参数发送到下位机,保证下位机能够准确、及时地发出控制信号,通过驱动器驱动步进电机工作。同时,上位机检测下位机的各种状态信号,进行诊断和处理。
关键字: 步进电机;控制系统;驱动器;通信电路
Abstract: A high performance control system of stepping motor has been developed. The system adopts the PC as master computer and the single-chip as slave computer. Control instructions and parameter have been delivered from the master computer to slave computer dependently and smoothly in order to guarantee the work that can be accurately and promptly done. Besides, the host computer collects various kinds of state signal that the slave computer feedbacks to diagnose and manipulate.
Keywords: Step Motor; Control System; Driver; Communication Circuit
1 引言
步进电机又称脉冲电动机,是数字控制的一种执行元件。它是随着计算机控制系统发展而发展起来,利用电脉冲信号进行控制,将电脉冲信号转换成相应的角位移或者线位移的电动机。对于步进电机控制系统,运动控制器就像是它的中枢神经系统,指挥着它的每个动作。本文以步进电机为控制对象,继承传统步进电机控制的优点,研制高性能步进电机驱动器及控制系统。
2 系统总体设计