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Article Dans Une Revue IEEE Transactions on Automatic Control Année : 2023

Barrier function-Based Variable Gain Super-Twisting Controller

Résumé

In this paper, a variable gain super-twisting algorithm based on a barrier function is proposed for a class of first order disturbed systems with uncertain control coefficient and whose disturbances derivatives are bounded but the upper bounds of those derivatives are unknown. The specific feature of this algorithm is that it can ensure the convergence of the output variable and maintain it in a predefined neighborhood of zero independent from the upper bound of the disturbances derivatives. Moreover, thanks to the structure of the barrier function, it forces the gain to decrease together with the output variable and the control signal follows the absolute value of the disturbances.

Domaines

Automatique
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Dates et versions

hal-04324783 , version 1 (05-12-2023)

Identifiants

Citer

Hussein Obeid, Salah Laghrouche, Leonid Fridman, Yacine Chitour, Mohamed Harmouche. Barrier function-Based Variable Gain Super-Twisting Controller. IEEE Transactions on Automatic Control, 2023, 65 (11), pp.4928-4933. ⟨10.1109/TAC.2020.2974390⟩. ⟨hal-04324783⟩
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