In this article by introducing and subsequently applying the Min–Max method, chaos has been suppressed in discrete time systems. By using this nonlinear technique, the chaotic behavior of Behrens–Feichtinger model is stabilized on its first and second-order unstable fixed points (UFP) in presence and absence of noise signal. In this step, a comparison has also been carried out among the proposed Min–Max controller and the Pyragas delayed feedback control method. Next, to reduce the computation required for controller design, the clustering method has been introduced as a quantization method in the Min–Max control approach. To improve the performance of the acquired controller through clustering method obtained with the Min–Max method, a linear optimal controller is also introduced and combined with the previously discussed nonlinear control law. The resultant combined controller has been applied on the Henon map and through comparison with both Pyragas controller, and the linear optimal controller alone, its advantages are discussed.
Control of Discrete Time Chaotic Systems via Combination of Linear and Nonlinear Dynamic Programming
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received June 18, 2013; final manuscript received May 19, 2014; published online September 12, 2014. Assoc. Editor: Hiroshi Yabuno.
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Merat, K., Abbaszadeh Chekan, J., Salarieh, H., and Alasty, A. (September 12, 2014). "Control of Discrete Time Chaotic Systems via Combination of Linear and Nonlinear Dynamic Programming." ASME. J. Comput. Nonlinear Dynam. January 2015; 10(1): 011008. https://doi.org/10.1115/1.4027716
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