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Digital redesign for controlling the chaotic Chua's circuit

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3 Author(s)
Jianxiong Xu ; Dept. of Electr. & Comput. Eng., Houston Univ., TX, USA ; Guanrong Chen ; L. S. Shieh

We apply some successful digital redesign techniques, developed previously for the control of linear system, to controlling the nonlinear chaotic Chua's circuit. Chua's circuit is a simple autonomous physical device that exhibits very rich and complex nonlinear dynamics of bifurcation and chaos, and is hence very sensitive to digital controls. To apply advanced high-speed computer technology to the implementation, we show how to redesign a good digital controller, based on an existing successful analog controller, for controlling the chaotic trajectories of Chua's circuit, from anywhere within the chaotic attractor to a predesired unstable limit cycle of the circuit

Published in:

IEEE Transactions on Aerospace and Electronic Systems  (Volume:32 ,  Issue: 4 )