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Modeling and control of nonlinear systems

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Title: Modeling and control of nonlinear systems
Author(s): Kodogeorgiou, Athanassios E.
Doctoral Committee Chair(s): Jackson, E. Atlee
Department / Program: Physics
Discipline: Physics
Degree Granting Institution: University of Illinois at Urbana-Champaign
Degree: Ph.D.
Genre: Dissertation
Subject(s): Physics, General Physics, Fluid and Plasma
Abstract: In this thesis two separate problems in the theory of nonlinear systems are studied. The first problem concerns the control of nonlinear systems. A model-based control method for nonlinear systems is presented and a number of problems related to its applicability are explored. An application of the method to a system undergoing a catastrophe is briefly described. The second problem concerns the description of turbulence. A simple model for turbulence consisting of a lattice of coupled fluid vortices is constructed. The model is directly related to an experimental system. Numerical results, obtained by computer simulations of this model, are compared with the experimental observations. The model displays a transition from spatiotemporal intermittency to fully developed turbulence.
Issue Date: 1992
Type: Text
Language: English
Rights Information: Copyright 1992 Kodogeorgiou, Athanassios E.
Date Available in IDEALS: 2011-05-07
Identifier in Online Catalog: AAI9305587
OCLC Identifier: (UMI)AAI9305587

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