Due to changing welding condition caused by interference in TIG welding process, to improve the sensors and its control is two ways to promote accuracy of closed-loop control of welding quality.
The water-curtain controlled cooling process after rolling steel plate in Shougang Group is analyzed, then a double closed-loop fuzzy control scheme for flow ratio is proposed.
分析了首钢中厚板轧后处理中的水幕控冷工艺过程，提出了一种双闭环流量比值模糊控制系统方案。
3
Make the system start closed-loop running and use the process PID, control self-adjusting to achieve purpose of stable speed.