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Chaos suppression of generalized Lorenz system: Adaptive fuzzy sliding mode control approach

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4 Author(s)
Chang-Kuo Chen ; Dept. of Eng. Sci., Nat. Cheng Kung Univ., Tainan ; Jun-Juh Yan ; Teh-Lu Liao ; Meei-Ling Hung

This study presents the chaos suppression for generalized Lorenz system via an adaptive fuzzy sliding mode controller (AFSMC). The proposed scheme can asymptotically drive the state trajectory of the generalized Lorenz system with unknown parameter to a desired switching surface and ensure the stability of the closed-loop system. In addition, the control signal is chattering free by the AFSMC reaching law that is inferred a set of fuzzy logic rules with output of sliding mode controller (SMC). A numerical simulation is included to illustrate the feasibility and effectiveness of the proposed scheme.

Published in:

Soft Computing in Industrial Applications, 2008. SMCia '08. IEEE Conference on

Date of Conference:

25-27 June 2008