Predict-prevent control method for perturbed excitable systems

Year: 2009

Authors: Ciszak M., Mirasso C., Toral R., Calvo O.

Autors Affiliation: C.N.R.–Istituto Nazionale di Ottica Applicata, L.go E. Fermi 6, 50125 Florence, Italy;
Instituto de Física Interdisciplinar y Sistemas Complejos (IFISC), CSIC-UIB, Campus UIB, E-07122 Palma de Mallorca, Spain;
Departament de Física, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain

Abstract: We present a control method based on two steps: prediction and prevention. For prediction we use the anticipated synchronization scheme, considering unidirectional coupling between excitable systems in a master-slave configuration. The master is the perturbed system to be controlled, meanwhile the slave is an auxiliary system which is used to predict the master\’s behavior. The prevention is obtained by sending a control signal to the master system, which temporarily lowers its excitability threshold and prevents its future reaction to the external perturbation. We demonstrate theoretically and experimentally that an efficient control may be achieved.

Journal/Review: PHYSICAL REVIEW E

Volume: 79 (4)      Pages from: 046203  to: 046203

More Information: We acknowledge financial support by the MEC (Spain) and FEDER (EU) through Project No. FIS2007-60327, the EU NoE BioSim under Contract No. LSHB-CT-2004005137, and a Marie Curie action within the Sixth European Community Framework Programme.
KeyWords: Auxiliary systems; Control methods; Control signals; Efficient controls; Excitability thresholds; Excitable systems; External perturbations; Master systems; Master-slave configurations; Perturbed systems; Synchronization schemes; Unidirectional couplings
DOI: 10.1103/PhysRevE.79.046203

Citations: 22
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