Phys. Rev. Lett. 77, 3779–3782 (1996)Nonlinear Control of Remote Unstable States in a Liquid Bridge Convection ExperimentReceived 31 July 1996; published in the issue dated 28 October 1996 We demonstrate the stabilization of unstable periodic orbits whose trajectories in phase space are distant from the unperturbed dynamics in a convective flow experiment. A model independent, nonlinear control algorithm uses temperature measurements near the free surface of a convecting liquid bridge to compute control perturbations which are applied by a thermoelectric element. The algorithm employs a time series reconstruction of a nonlinear control surface to alter the system dynamics. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.3779
DOI:
10.1103/PhysRevLett.77.3779
PACS:
05.45.+b, 47.20.Dr, 47.20.Ky, 47.54.+r
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