Adaptive and Robust Second Order Sliding Mode Controller Dedicated to Nonlinear Uncertain Pendulum Application System

Hedi Dhouibi, Jalel Ghabi and Tarek Selmi

European Journal of Engineering and Technology Research, 2019, vol. 4, issue 12, 20-26

Abstract: The research work presented within this paper deals with an innovative second-order sliding mode control (SOSMC) allocated to adaptive gain and associated with nonlinear systems subject to unknown but bounded uncertainties. The derived controller guarantees the control gain dynamical adaptation for the sake of counteracting the system’s uncertainties and to mitigate the chattering phenomenon. The Lyapunov method is also used to analyses the stability of any closed loop system (CLS) within a finite-time under bounded uncertainties assumptions. To assess how effective is the approach considered within this paper, the adaptive controller has been carefully studied on a benchmark of nonlinear systems on a damped overturned pendulum.

Keywords: Control; Gain; Finite-Time; Sliding-Mode; Stability; Adaptive; Nonlinear System; Uncertainty (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:4:y:2019:i:12:id:61654

DOI: 10.24018/ejeng.2019.4.12.1654

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