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Dissertation/Thesis Abstract

Robust and Resilient Control for Time Delayed Power Systems
by Jamal Alden, Mohammed Kais, M.S., Southern Illinois University at Edwardsville, 2015, 88; 1588452
Abstract (Summary)

Power system is the backbone of modern society. Traditionally, over 90% of the electrical energy is produced by power generation systems driven by steam turbines. Recently, with the development of renewable energy resources, wind energy conversion systems are the proven solutions for the next generation sustainable energy resources. Stability and performance of these power systems are the primary concerns of power system engineers. To better characterize the dynamical behaviors of power systems in practical applications, time delays in the feedback state variables, systems modeling uncertainties, and external disturbances are included in the state space model of the power system in this work. Linear matrix inequality based robust and resilient controllers satisfying the H_infinty performance objective for time delayed power systems are proposed. Fixed time delays are assumed to exist within the system state and input signals. The system model is assumed to have unstructured bounded uncertainties and L_2 type of disturbances. Furthermore, controller gain perturbations are assumed to be of additive type. The proposed control techniques have been applied to variable speed permanent magnet synchronous generator based wind energy conversion systems, and electrical power generation systems driven by steam turbine. Computer simulations conducted in MATLAB show the eectiveness of the proposed control algorithms.

Indexing (document details)
Advisor: Wang, Xin
Commitee: Shang, Ying, Umbaugh, Scott
School: Southern Illinois University at Edwardsville
Department: Electrical and Computer Engineering
School Location: United States -- Illinois
Source: MAI 54/04M(E), Masters Abstracts International
Subjects: Electrical engineering
Keywords: Power systems, Resilient control, Robust control, Time delay, Wind energy conversion system
Publication Number: 1588452
ISBN: 978-1-321-73934-3
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