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Control And Filtering Of Time-Varying Linear Systems Via Parameter Dependent Lyapunov Functions, Renato Alves Borges
Control And Filtering Of Time-Varying Linear Systems Via Parameter Dependent Lyapunov Functions, Renato Alves Borges
Electrical and Computer Engineering ETDs
The main contribution of this dissertation is to propose conditions for linear filter and controller design, considering both robust and parameter dependent structures, for discrete time-varying systems. The controllers, or filters, are obtained through the solution of optimization problems, formulated in terms of bilinear matrix inequalities, using a method that alternates convex optimization problems described in terms of linear matrix inequalities. Both affine and multi-affine in different instants of time (path dependent) Lyapunov functions were used to obtain the design conditions, as well as extra variables introduced by the Finsler's lemma. Design problems that take into account an H-infinity guaranteed …