| 1. | A n lh control system structure , based on high speed ethernet , field bus , programmable logic controllers and general purpose pcs , is proposed . after analyses of the key control elements - temperature and composition , the thesis gives detailed design of the main system control functionalities : electrode control system , alloy material adding control system and operation monitoring system 在此基础上,提出了基于工业高速以太网、现场总线、可编程逻辑控制器、通用工业pc的系统结构方案。分析了lf炉的关键要素? ?温度控制和成份调节,对电极控制系统、合金加料系统及操作监控系统等主要控制系统功能进行了详细设计。 |