基于PLC的步进梁式加热炉步距模糊自适应控制

The Fuzzy Adaptive Step-distance Control for Walking Beam Type Furnace Based on PLC

以步进梁式加热炉为研究对象,分析了这种加热炉的工作原理、工艺要求和存在的问题。针对因步进梁步距误差导致的钢坯不能准确落在出料悬臂辊上而造成的设备故障问题,提出步距调整的模糊自适应控制策略。采用PLC作为控制器实现该控制策略,确保每一根钢坯出炉时都能准确落在出料悬臂辊上,避免钢坯落错位的事故发生。

Taking the walking-beam-type furnace as the object of study,its working principle,the process requirements and the existing problems were analyzed. Aiming at the equipment failure incurred by the walking beam error which can result in the billet's failing to fall upon the discharging roller,a fuzzy adaptive step-distance adjustment control strategy was proposed,which has PLC adopted to ensure every steel bar's falling upon the discharging roller accurately.