空分产品放空-供气自动调节的PID控制方法

本文使用一种分段控制方法，将空分产品管线的放空、供气阀门使用同一PID模块进行电流分段控制，从而解决了两阀门相关性问题，降低了控制成本，简化了控制难度。

This paper intruduce a segmentation control method to control the automatic vent and supply valves of Air Separation Unit. This method can settle the problem of correlativity during the control of these two vavles and make the control system simpler.