Phys. Rev. E 65, 026204 (2002) [7 pages]External feedback control of chaos using approximate periodic orbitsReceived 26 March 2001; revised 13 August 2001; published 11 January 2002 We apply the external feedback technique to control chaos in real physical systems. The target, unstable periodic orbits embedded in chaotic attractors are obtained from chaotic time series in terms of the delay coordinates technique. We demonstrate its efficiency for periodically forced, single- and two-degree-of-freedom systems consisting of one or two pendula in numerical simulations and experiments. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.65.026204
DOI:
10.1103/PhysRevE.65.026204
PACS:
05.45.Gg, 07.05.Dz, 45.80.+r
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