Abstract
Chattering is an undesired phenomenon associated with classical sliding-mode control. Thediscontinuous bang–bang robust controller causes chattering near the equilibrium. Toattenuate the chattering, in this paper, a fuzzy logic smooth switch system is integratedwith the adaptive robust sliding-mode control to form a fuzzy adaptive robustsliding-mode control for the active vibration control of a smart flexible beamintegrated with piezoceramic actuators and sensors. The asymptotical stabilityproof of the proposed fuzzy adaptive robust sliding-mode controller is provided byLyapunov’s direct method. The experimental results show that the proposedfuzzy adaptive robust sliding-mode controller quickly suppresses the vibration.Additionally, with the fuzzy switch system, the chattering is successfully attenuated.
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