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前馈加反馈控制方法,具有调节平衡、节能耗费少以及回收率高等特点,广泛用于精馏塔的前馈控制、化学反应器的非线性前馈控制以及pH值的前馈控制等方面。本文主要介绍了两种控制的工艺要求与工作原理。
The feedforward plus feedback control method is widely used in feedforward control of rectification column, nonlinear feedforward control of chemical reactor and feedforward control of pH value because of its advantages such as balance of adjustment, low energy consumption and high recovery rate. This article describes the two kinds of control process requirements and working principle.