Omnidirectional mobile robot robust tracking: Sliding-mode output-based control approaches

L. Ovalle, H. Ríos, M. Llama, V. Santibáñez, A. Dzul

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

© 2019 Elsevier Ltd This work deals with the robust position tracking control problem for an omnidirectional mobile robot. To this aim, four continuous Sliding-Mode Control strategies are presented. The position and orientation of the platform are assumed to be the only available information about the system. To implement the controllers as output-feedback controllers, a High-Order Sliding-Mode Observer is implemented for each output signal. The proposed robust control strategies are able to deal with some classes of external disturbances. The closed-loop stability of each controller is proved by means of Lyapunov functions and homogeneity concepts. Simulations and experiments validate the applicability of the proposed controllers.
Original languageAmerican English
Pages (from-to)50-58
Number of pages9
JournalControl Engineering Practice
DOIs
StatePublished - 1 Apr 2019
Externally publishedYes

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