介绍了双容水箱液位控制实验仪的实物系统装置；
The hardware system of double coupled water tanks is introduced.
最后，本文在双容水箱液位控制系统上对上述前三个方法进行了实验验证。
At last, experiments to control the water level of double tank are conducted to test the former three algorithms presented above.
应用流体力学理论对双容水箱液位系统进行力学分析，采用机理建模方法，建立非线性数学模型。
By using hydrodynamics theory, the mechanics principle of two-tank system was analyzed and the system nonlinear mathematics model was established.
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