This paper proposes the use of a novel nonsingular Terminal Sliding surface for the finite-time robust stabilization of second order nonlinear plants with matched uncertainties. Mathematical characteristics of the proposed surface are such that a fixed bound naturally exists for the settling time of the state variable, once the surface has been reached. A simple redesign of the control input able to ensure the feature of fixed-time reaching of the sliding surface will be also presented, and fixed-time stability will be guaranteed by the proposed Terminal Sliding Mode Control design method. A careful simulation study has been performed using a benchmark system taken from the literature.

Nonsingular terminal sliding-mode control of nonlinear planar systems with global fixed-time stability guarantees / Corradini, Maria Letizia; Cristofaro, Andrea. - In: AUTOMATICA. - ISSN 0005-1098. - 95:(2018), pp. 561-565. [10.1016/j.automatica.2018.06.032]

Nonsingular terminal sliding-mode control of nonlinear planar systems with global fixed-time stability guarantees

Cristofaro, Andrea
2018

Abstract

This paper proposes the use of a novel nonsingular Terminal Sliding surface for the finite-time robust stabilization of second order nonlinear plants with matched uncertainties. Mathematical characteristics of the proposed surface are such that a fixed bound naturally exists for the settling time of the state variable, once the surface has been reached. A simple redesign of the control input able to ensure the feature of fixed-time reaching of the sliding surface will be also presented, and fixed-time stability will be guaranteed by the proposed Terminal Sliding Mode Control design method. A careful simulation study has been performed using a benchmark system taken from the literature.
2018
Terminal sliding mode control; Fixed-time stabilization; Nonsingular control; Nonlinear systems
01 Pubblicazione su rivista::01a Articolo in rivista
Nonsingular terminal sliding-mode control of nonlinear planar systems with global fixed-time stability guarantees / Corradini, Maria Letizia; Cristofaro, Andrea. - In: AUTOMATICA. - ISSN 0005-1098. - 95:(2018), pp. 561-565. [10.1016/j.automatica.2018.06.032]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1329767
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