A Backstepping Control Method for a Nonlinear Process - Two Coupled-Tanks

Vasile Calofir, Valentin Tanasa, Ioana Fagarasan, Iulia Stamatescu, Nicoleta Arghira, Grigore Stamatescu

The aim of this work is to compute a level backstepping control strategy for a coupled tanks system. The coupled tanks plant is a component included in the water treatment system of power plants. The nonlinear-model of the process was designed and implemented in Matlab- Simulink. The advantages of the control method proposed is that it takes into consideration the nonlinearity which can be useful for stabilization and a larger operating point with specified performances. The backstepping control method is computed using the nonlinear model of the system and the performance was validated on the physical plant.

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