FPGA implementation of integer/fractional chaotic systems

Ahmed J. Abd El-Maksoud, Ayman A. Abd El-Kader, Bahy G. Hassan, Nader G. Rihan, Mohamed F. Tolba, Lobna A. Said, Ahmed G. Radwan, Mohamed F. Abu-Elyazeed

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    5 Scopus citations

    Abstract

    Chaotic systems have remarkable importance in capturing some complex features of the physical process. Recently, fractional calculus becomes a vigorous tool in characterizing the dynamics of complex systems. The fractional-order chaotic systems increase the chaotic behavior in new dimensions and add extra degrees of freedom, which increase system controllability. In this chapter, FPGA implementation of different integer and fractional-order chaotic systems is presented. The investigated integer-order systems include Chua double scroll chaotic system and the modified Chua N-scroll chaotic system. The investigated fractional-order systems include Chua, Yalcin et al., Ozuogos et al., and Tang et al., chaotic systems. These systems are implemented and simulated based on the Grunwald–Letnikov (GL) definition with different window sizes. The parameters effect, along with different GL window sizes is investigated where some interesting chaotic behaviors are obtained. The proposed FPGA implementation utilizes fewer resources and has high throughput. Experimental results are provided on a digital oscilloscope.

    Original languageBritish English
    Title of host publicationStudies in Computational Intelligence
    PublisherSpringer
    Pages199-229
    Number of pages31
    DOIs
    StatePublished - 2020

    Publication series

    NameStudies in Computational Intelligence
    Volume884
    ISSN (Print)1860-949X
    ISSN (Electronic)1860-9503

    Keywords

    • Chaotic systems
    • Chua’s circuit
    • Double scroll
    • FPGA
    • Fractional-order circuits

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