Abstract and Applied Analysis

Implementation on Electronic Circuits and RTR Pragmatical Adaptive Synchronization: Time-Reversed Uncertain Dynamical Systems' Analysis and Applications

Shih-Yu Li, Cheng-Hsiung Yang, Li-Wei Ko, Chin-Teng Lin, and Zheng-Ming Ge

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Abstract

We expose the chaotic attractors of time-reversed nonlinear system, further implement its behavior on electronic circuit, and apply the pragmatical asymptotically stability theory to strictly prove that the adaptive synchronization of given master and slave systems with uncertain parameters can be achieved. In this paper, the variety chaotic motions of time-reversed Lorentz system are investigated through Lyapunov exponents, phase portraits, and bifurcation diagrams. For further applying the complex signal in secure communication and file encryption, we construct the circuit to show the similar chaotic signal of time-reversed Lorentz system. In addition, pragmatical asymptotically stability theorem and an assumption of equal probability for ergodic initial conditions (Ge et al., 1999, Ge and Yu, 2000, and Matsushima, 1972) are proposed to strictly prove that adaptive control can be accomplished successfully. The current scheme of adaptive control—by traditional Lyapunov stability theorem and Barbalat lemma, which are used to prove the error vector—approaches zero, as time approaches infinity. However, the core question—why the estimated or given parameters also approach to the uncertain parameters—remains without answer. By the new stability theory, those estimated parameters can be proved approaching the uncertain values strictly, and the simulation results are shown in this paper.

Article information

Source
Abstr. Appl. Anal., Volume 2013, Special Issue (2012), Article ID 909721, 10 pages.

Dates
First available in Project Euclid: 26 February 2014

Permanent link to this document
https://projecteuclid.org/euclid.aaa/1393449941

Digital Object Identifier
doi:10.1155/2013/909721

Zentralblatt MATH identifier
1346.93214

Citation

Li, Shih-Yu; Yang, Cheng-Hsiung; Ko, Li-Wei; Lin, Chin-Teng; Ge, Zheng-Ming. Implementation on Electronic Circuits and RTR Pragmatical Adaptive Synchronization: Time-Reversed Uncertain Dynamical Systems' Analysis and Applications. Abstr. Appl. Anal. 2013, Special Issue (2012), Article ID 909721, 10 pages. doi:10.1155/2013/909721. https://projecteuclid.org/euclid.aaa/1393449941


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