Robust decentralized control of large-scale systems with applications in cooperative control

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When control theory is applied to a system that consists of several interconnected components, it is often desired to have some form of decentralization. Problems of this kind appear, for example, in electric power systems, communication networks, large space structures, robotic systems, economic systems and traffic networks, to name only a few. More recently, decentralized control theory has found important applications in the cooperative control systems such as formation flying, underwater vehicles, automated highway, satellite constellation, etc. This relatively new line of research is of a great interest for Canadian Space Agency, NASA and European Space Agency in their present and future projects. A decentralized control structure reduces the computational complexity of the control and the communication requirements between the components of a cooperative control system.