Floquet stability analysis of Ott-Grebogi-Yorke and difference control

Claussen, Jens Christian (2008). Floquet stability analysis of Ott-Grebogi-Yorke and difference control. New Journal of Physics, 10 ,


Stabilization of instable periodic orbits of nonlinear dynamical systems has been a widely explored field theoretically and in applications. The techniques can be grouped into time-continuous control schemes based on Pyragas, and the two Poincaré-based chaos control schemes, Ott-Gebogi-Yorke (OGY) and difference control. Here, a new stability analysis of these two Poincaré-based chaos control schemes is given by means of the Floquet theory. This approach allows to calculate exactly the stability restrictions occurring for small measurement delays and for an impulse length shorter than the length of the orbit. This is of practical experimental relevance; to avoid a selection of the relative impulse length by trial and error, it is advised to investigate whether the used control scheme itself shows systematic limitations on the choice of the impulse length. To investigate this point, a Floquet analysis is performed. For OGY control the influence of the impulse length is marginal. As an unexpected result, difference control fails when the impulse length is taken longer than a maximal value that is approximately one half of the orbit length for small Ljapunov numbers and decreases with the Ljapunov number.

Publication DOI: https://doi.org/10.1088/1367-2630/10/6/063006
Divisions: Engineering & Applied Sciences
Additional Information: © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Some volumes prior to November 2012 may have been published under a Creative Commons Attribution Non-Commercial Share Alike License
Uncontrolled Keywords: Physics and Astronomy(all)
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Published Date: 2008-06-05
Authors: Claussen, Jens Christian ( 0000-0002-9870-4924)


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