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H-infinity control problem for general discrete-time systems (1403.6225v2)
Published 25 Mar 2014 in math.OC and cs.SY
Abstract: The paper considers the suboptimal H-infinity control problem for a general discrete-time system (whose transfer function matrix is allowed to be improper or polynomial). The parametrization of output feedback controllers is given in a realization-based setting, involves two generalized algebraic Riccati equations, and features the same elegant simplicity of the standard (proper) case. A relevant real-life numerical example proves the effectiveness of our approach.