This paper considers the output feedback H 2 guaranteed cost control problem. In [1], it was observed that exploiting the solution of a discrete algebraic Riccati equation corresponding to an optimal full information control design allowed the output feedback control problem, for a fixed value of a design parameter, to be reduced to a so-called full control problem in which only filter gains of an estimator needed to be designed. However, this critical result was not proved. This paper proves this result.
Volume Subject Area:
Robust Control
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