In a digital weir, open loop digital control is applied, and the method is simple and reliable. And it can give accurate flow according to the given process curve.

数字量水堰是开环控制方式，方法简便可靠，可以按给定的过程曲线精确可靠地施放流量。

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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。

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Main role is to regulate the media pressure, flow, temperature, etc. parameters, is the final process control elements in the loop.

主要作用是调节介质的压力、流量、温度等等参数，是工艺环路中最终的控制元件。

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