重庆工商大学学报（自然科学版）

引用本文:	汪俊.基于AT89S52的步进电机闭环控制系统设计(J/M/D/N,J:杂志，M：书，D：论文，N：报纸).期刊名称,2012，29（12）：55-59
	CHEN X. Adap tive slidingmode contr ol for discrete2ti me multi2inputmulti2 out put systems[ J ]. Aut omatica, 2006, 42(6): 4272-435

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基于AT89S52的步进电机闭环控制系统设计
汪俊

作者	单位
汪俊

摘要:

为了提高步进电机的定位精度，提出了一种基于AT89S52的步进电机闭环控制系统设计方案。采用AT89S52单片机从串口接收上位机的指令并产生兴业的控制信号，通过RD-05MS步进电机驱动器对步进电机进行控制，并用角度和目标转动角度的差值，向下位机继续发送运动指令，直到满足精度要求。实验结果表明，系统定位精度可控制在20角秒以内，可应用于多种数控场合中。

关键词: 步进电机 AT89S52 IK220 闭环控制

DOI：

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基金项目:

Design of Stepper Motor Closed-looop Control System Based on AT89S52

WANG Jun

Abstract:

In order to improve the positioning accuracy of the stepper motor,the design of steper motor closed-loop control system based on AT89S52 is proposed in this paper.The AT89S52 microntroller is used to receive instructions from PC by serial port and produce corresponding control signal.Therough controlling the stelpper motor by RD-053MS stepper motor drive,the angle encoder and IK220 counter card are used to obtain the rotation angle and the target rotation angle,and sends motion instructions to the AT89S52 microcontroller until the instructions meet precision requirement.The experiment shows that the positioning accuracy of the system can be controlled in less than 20 second of arc,and can be applied into many CNC system.

Key words: stepper motor AT89S52 IK220 closed-loop control