Observer-based design of set-point tracking adaptive controllers for nonlinear chaotic systems. (English) Zbl 1142.93333
Summary: A gradient based approach for the design of set-point tracking adaptive controllers for nonlinear chaotic systems is presented. In this approach, Lyapunov exponents are used to select the controller gain. In the case of unknown or time varying chaotic plants, the Lyapunov exponents may vary during the plant operation. In this paper, an effective adaptive strategy is used for online identification of Lyapunov exponents and adaptive control of nonlinear chaotic plants. Also, a nonlinear observer for estimation of the states is proposed. Simulation results are provided to show the effectiveness of the proposed methodology.
MSC:
| 93B50 | Synthesis problems |
| 37D45 | Strange attractors, chaotic dynamics of systems with hyperbolic behavior |
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