改进的PID算法在加热炉温度控制中的应用  

Application of Improved PID Algorithm in Temperature Control of Heating Furnace

作　　者：黄炎[1,2] 邵宇鹰[3] 邓丽[1,2] 费敏锐[1,2] 蒋婧[1] 

机构地区：[1]上海大学机电工程与自动化学院,上海200072 [2]上海市电站自动化技术重点实验室,上海200072 [3]国网上海市电力公司,上海200025

出　　处：《自动化仪表》2014年第5期69-71,76,共4页Process Automation Instrumentation

基　　金：上海市科技委员会基金资助项目(编号:10JC1405000);上海高校青年教师培养资助计划基金资助项目(编号:B37010913003)

摘　　要：某钢厂的加热炉及控制设备由于年久失修,在控制环节采用传统的PID控制直接导致炉内温度不均匀、超调量大、调节时间长、生产效率低。为了克服这些缺点,在加热炉改造项目中加入基于预测思想的控制算法,并将加热控制区由两区改造为三区,同时引入新的控制变量。最后通过实际生产运行表明,该方法能有效地实现加热炉温度控制,在节能减排方面也有一定的效果。Because of disrepair, the heating furnace and control equipment in a certain steel plant which adopted traditional PID control directly leads to the poor conditions of uneven temperature in the furnace, large overshoot, long regulating time and low production efficiency. In reconstructive project of the furnace, the control algorithm based on predictive ideas is added, and the heating control zones are reformed from two into three, in addition, new control variable is introduced. The practical productive operation indicates that this method effectively realizes temperature control of the furnace, and possesses certain effects in energy saving and emission reduction.

关 键 词：加热炉温度控制 预测思想 加热控制区 PID控制 炼钢过程 

分 类 号：TF741.99[冶金工程—钢铁冶金] TP273[自动化与计算机技术—检测技术与自动化装置]