基于SPWM技术的铝电磁场快速铸轧控制系统  

A control system of aluminum electromagnetic rapid roll-casting based on the SPWM technology

作　　者：郑益华[1] 李晓谦[1] 

机构地区：[1]中南大学机电工程学院,长沙410083

出　　处：《制造业自动化》2005年第2期52-56,共5页Manufacturing Automation

基　　金：国家"863"高技术计划项目"电磁场快速铸轧制备高性能铝板带材"(2001AA337070)

摘　　要：介绍了一种基于 SPWM 技术的铝电磁场快速铸轧变频控制系统,分析了系统的工作原理、硬 件结构、软件结构及控制模式,并且对系统特性进行了试验研究。试验表明,此系统可以对电 磁感应器产生的复合磁场进行控制,系统控制精度高、可靠性高,动态性能好,满足铝电磁场 快速铸轧的基本要求。This paper introduced a kind of control system foraluminum electromagnetic rapid roll- casting based on SPWM technology. The working principle, structure of hardware and software, and control mode of system were analysed,furthermore,the control system was tested.The experimentshow that the system can controlthe composite magnetic produced by the inductor; which can satisfied the requirementofaluminum electromagnetic rapid roll- casting,and the system have highcontrol precision, good reliability and dynamic response.

关 键 词：电磁场快速铸轧 交一直一交变频 SPWM IGBT 数字控制 

分 类 号：TP27[自动化与计算机技术—检测技术与自动化装置]