Continuous Sliding-Mode Output-Feedback Control for Stabilization of a Class of Underactuated Systems

Luis Ovalle, Hector Rios, Miguel Llama, Leonid Fridman

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

This paper presents a robust output-feedback control scheme for the stabilization of a class of non-linear underactuated mechanical systems in presence of coupled disturbances. The scheme is based on the so-called coupled sliding-mode control, i.e., no transformation into the normal form is required. The proposed output approach is composed of a Super-Twisting Controller and a High-Order Sliding-Mode Observer that robustly stabilize the origin of the system asymptotically. All of the results are proven by Lyapunov approaches. The proposed approach is validated by means of simulations and experimental results on a 4 degrees of freedom (DOF) underactuated crane.

Idioma originalInglés
PublicaciónIEEE Transactions on Automatic Control
DOI
EstadoAceptada/en prensa - 2021

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