Modeling of future cyber-physical energy systems for distributed sensing and control

Authors:
Marija D. Ilić;Le Xie;Usman A. Khan;José M. F. Moura
Affiliations:
Department of Electrical and Computer Engineering and the Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, PA and Delft University of Technology, Delft, The Net ...;Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX;Department of Electrical and Systems Engineering, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA;Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA
Venue:
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
Year:
2010

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Abstract

This paper proposes modeling the rapidly evolving energy systems as cyber-based physical systems. It introduces a novel cyber-based dynamical model whose mathematical description depends on the cyber technologies supporting the physical system. This paper discusses how such a model can be used to ensure full observability through a cooperative information exchange among its components; this is achieved without requiring local observability of the system components. This paper also shows how this cyber-physical model is used to develop interactive protocols between the controllers embedded within the system layers and the network operator. Our approach leads to a synergistic framework for model-based sensing and control of future energy systems. The newly introduced cyber-physical model has network structure-preserving properties that are key to effective distributed decision making. The aggregate load modeling that we develop using data mining techniques and novel sensing technologies facilitates operations of complex electric power systems.