Multi-tank flow systems, which are nonlinear coupling systems with time delay and are of very wide application background in production practice, are typical controlled plants in process control.

• 多容器流程系统是具有纯滞后的非线性耦合系统，是过程控制中一种典型的受控对象，在生产实践中有着非常厂泛的应用背景。