Abstract

The objective of this paper is to design a terminal sliding mode controller for Lorenz system in discrete-time. First, a discrete model is derived through Taylor series expansion. In the next step, a discrete terminal sliding mode controller (DTSMC) is developed to reach a fast and high precision control. The stability analysis of DTSMC is presented in the presence of external disturbance. Numerical simulations of Lorenz system are shown and compared to illustrate the effectiveness of the proposed control scheme. Finally, the sampling frequency effects on the closed loop system convergence are discussed.

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