Synchronization of an Uncertain Fractional-Order Chaotic System via Backstepping Sliding Mode Control

<table>Phase portrait of Duffing-Holmes system (<a href="https://static.hindawi.com/articles/ddns/volume-2013/732503/figures/#EEq23">25</a>) with fractional-order <svg height="15.2875" id="M88" style="vertical-align:-3.50804pt" version="1.1" viewbox="0 0 56.25 15.2875" width="56.25" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

Discrete Dynamics in Nature and Society

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Figure 1

Figure 1: Synchronization of an Uncertain Fractional-Order Chaotic System via Backstepping Sliding Mode Control 