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Unit-Vector Control Design under Saturating Actuators
VITORIO, Andevaldo da Encarnação; COUTINHO, Pedro Henrique Silva; BESSA, Iury Valente; RODRIGUES, Victor Hugo Pereira; ESTRADA, Antonio; OLIVEIRA, Tiago Roux
Resumo
Resumo
This paper deals with unit vector control design for multivariable polytopic uncertain systems under saturating actuators. For that purpose, we propose LMI-based conditions to design the unit vector control gain such that the origin of the closed-loop system is finite-time stable. Moreover, an optimization problem is provided to obtain an enlarged estimate of the region of attraction of the equilibrium point for the closed-loop system, where the convergence of trajectories is ensured even in the presence of saturation functions. Numerical simulations illustrate the effectiveness of the proposed approach.
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palavras-chave
Palavras-chave
actuator saturationpolytopic uncertaintymultivariable systemsfinite-time stabilitylinear matrix inequalitiesdomain of attractionclosed-loop stability
Status
Published
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