Dynamic Sliding Mode Control based on Fuzzy Systems for Nonlinear Processes

In this paper, a fuzzy dynamic sliding mode controller is developed, starting from an internal model that minimizes the effect of the time delay in the control loop and provides the information for the control law calculation; with the resulting system, a dynamic sliding mode controller is designed including a modification on the discontinuous part using a fuzzy Takagi-Sugeno approximation to minimize the control efforts and stabilization time. The proposal is evaluated on a nonlinear time-varying mixing tank.