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Adaptive Dynamic Surface Control for Finite-time Tracking of Uncertain Nonlinear Systems with Dead-zone Inputs and Actuator Faults

Guangming Xue, Funing Lin, Shenggang Li, and Heng Liu*
International Journal of Control, Automation, and Systems, vol. 19, no. 8, pp.2797-2811, 2021

Abstract : In this paper, a finite-time tracking control scheme for perturbed undetermined nonlinear systems governed by dead-zone inputs and actuator faults is investigated. By means of dynamic surface control technique, a suitable adaptive neural network controller is introduced, which guarantees that all signals in the closed-loop system are bounded, and that all state trajectories of the error dynamics converge to a small region in the sense of semi-globally practically finite-time stabilization. Finally, a numerical simulation is taken into consideration for the reliability of the proposed methodology.

Keyword : Actuator faults, adaptive dynamic surface control, dead-zone inputs, finite-time tracking, uncertain nonlinear systems.

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