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'Pattern Formation' in keywords Facet   Publication Year 2001  [X]
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1Author    HansH. Diebner3, O. Tf\, Adolf Mathias3, Horst Prehnc, Marco Rohrbacha, Sven Sahle3Requires cookie*
 Title    Control and Adaptation of Spatio-temporal Patterns  
 Abstract    We apply a recently introduced cognitive system for dynamics recognition to a two-dimensional array of coupled oscillators. The cognitive system allows for both the control and the adaptation of spatio-temporal patterns of that array of oscillators. One array that shows Turing-pattems in a self-organizational manner is viewed as an externally presented dynamics (stimulus) which is mapped onto a mirror dynamics, whereby the latter is capable to simulate (simulus). Two of the parameters of the stimulus are thereby regarded to be unknown and have to be estimated by the cognitive system. The cognitive system itself consists of dynamical modules that are stimulated by the external dynamics in the sense of Pyragas' external force control mechanism and thereby yield measures of how good they match the stimulus. These measures are used as weights to construct the simulus. The adaptation process is performed "on the fly", i. e., without the storage of data. The proposed cognitive system, therefore, is a prominent candidate for the construction of a control device for a permanent real time observation of an external dynamical system in order to interfere instantaneously when necessary. 
  Reference    Z. Naturforsch. 56a, 663—669 (2001); received August 21 2001 
  Published    2001 
  Keywords    Adaptive Systems, Cognitive Systems, Pattern Formation, Brain Dynamics, Force Control 
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 TEI-XML for    default:Reihe_A/56/ZNA-2001-56a-0663.pdf 
 Identifier    ZNA-2001-56a-0663 
 Volume    56