摘要
大多数合金化炉炉膛压力设定值是固定的,该种情况并不能根据带钢规格的变化而自动变化,为此,该文分析了炉膛压力与带钢规格参数之间的关系,并采用多元线性回归方法,建立炉膛压力最优值与带钢规格之间的数学计算模型,根据该模型可以得出满足生产要求的炉压最佳值。然后结合传统PID控制和模糊控制的优点,根据炉膛压力控制系统的非线性和不确定因素,建立PID参数自整定的推理规则,设计了合金化炉膛压力控制系统的模糊PID控制器。仿真和现场应用表明,该控制系统的炉压设定值能够根据带钢的规格变化而变化,模糊PID控制器具有较快的动态响应速度。该系统可以自动适应现场的生产要求。
The setpoint of most alloying furnace pressure setpoint was fixed,but the setpoint can not change automati- cally according to strip specifications. So the paper analyzed the relationship between the chamber pressure and strip steel specifications,and the mathematical mode between the chamber pressure and strip specifications was built by multiple linear regressions. A fuzzy PID controller was designed by combined fuzzy control with conventional PID control. Fuzzy inference rule of PID parameters was designed according to nonlinear and uncertainty of the pressure control system. Simulation and field applications show that the setpoint of the pressure can change according to the changes in strip specifications,fuzzy PID controller has a faster dynamic response speed,and the system can automatically adjust to the production requirements.
出处
《自动化与仪表》
北大核心
2014年第9期37-40,共4页
Automation & Instrumentation
关键词
合金化炉压
多元线性回归
模糊PID
自整定
最优化
带钢
alloying furnace pressure
multiple linear regressions
Fuzzy-PID control
self-adjusting
optimization
strip steel
