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Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2012 Vol.2(4): 527-530 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.153

Control Chua Chaos via Optimal Generalized Backstepping Method

Alireza Khalilzadeh, Alireza Sahab, and Masoud Taleb Ziabari

Abstract—In this article, first famous chaotic system, Chua equation, was choiced as chaotic system. One of the best control methods that would be used for stabilization this systems, was Backstepping. In this article this technique is improved to Generalized Backstepping Method (GBM). For this new method, exhibit a new theorem and its proof and for showing its abilities, control Chua equation. Generalized Backstepping approach consists of parameters which accept positive values. The system replied differently for each value. Genetic algorithm can select suitable and optimal values for the parameters. GA by minimizing the fitness function can find the optimal values for the parameters. Fitness function forces the system error to decay to zero rapidly that it causes the system to have a short and optimal setting time. Fitness function also makes an optimal controller and causes overshoot to reach to its minimum value. This hybrid makes an optimal backstepping controller.

Index Terms—System, lyapunov, generalized backstepping method, genetic algorithm.

The authors are with Faculty of Engineering, Computer Architect Group, Islamic Azad University Rudehen Branch, Iran (e-mail:al.khalilzadeh@gmail.com).

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Cite: Alireza Khalilzadeh, Alireza Sahab, and Masoud Taleb Ziabari, "Control Chua Chaos via Optimal Generalized Backstepping Method," International Journal of Information and Electronics Engineering vol. 2, no. 4, pp. 527-530, 2012.

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