Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode

Cita com:
hdl:2117/123404
Document typeArticle
Defense date2019-07
Rights accessOpen Access
Abstract
This article presents a novel adaptive finite-time stabilization technique based on global sliding mode for disturbed chaotic flow with a single unstable node. The considered chaotic flow has unusual characteristics containing attractor merging, symmetry breaking, attracting tori and different forms of multi-stability. A nonlinear function is employed in the global sliding surface to modify damping ratio and improve the transient performance. The damping ratio of the closed-loop system is improved when the states converge to the origin. Using the new chattering-free controller, the reaching mode is removed and the sliding behavior is presented right from the first instant. The adaptive finite-time tuning law eliminates the requirement of the information about the disturbances’ bounds. Illustrative simulations are provided to display the efficiency of the proposed scheme
CitationMobayen, S., Ma, J., Pujol-Vazquez, G., Acho, L., Zhu, Q. Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode. "Iranian Journal of Science and Technology-Transactions of Electrical Engineering", Juliol 2019, vol. 43, p. 339-347.
ISSN2228-6179
Publisher versionhttps://link.springer.com/article/10.1007%2Fs40998-018-0153-6
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