辐照仪控制系统的设计  

Design of Control System of Gamma-ray Irradiation of Blood

作　　者：韩绍坤[1] 申玲[1] 孙东[1] 

机构地区：[1]北京理工大学光电工程系,北京100081

出　　处：《控制工程》2004年第S2期176-178,共3页Control Engineering of China

摘　　要：通过使用可编程控制器中的专用脉冲输出指令和高速计数器,实现了对辐照仪步进电机的精确控制。介绍了辐照仪的工作过程和控制系统的组成,给出了控制软件的流程及控制步进电机转动误差的措施,并利用触摸屏实现了人机界面控制。实际应用表明,该系统性能可靠、控制精确、实用性强。The accuracy control of the motors in Gamma-ray irradiation of blood is realized by means of the inner pulse output code and the high-speed counter in PLC. The working process of the Gamma-ray irradiation of blood and the construction of the control system are introduced. The control software and the measure to control the error of motor are presented. The man-machine interface is designed based on the touchscreen technology. The practical application shows that the system is reliable.

关 键 词：辐照仪 触摸屏 可编程控制器 步进电机 控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]