6

Non-Fragile Dynamic Output Feedback Control with Interval-Bounded Coefficient Variations

6.1    Introduction

In Chapters 2 and 3, the non-fragile state feedback and dynamic output feedback control problems with norm-bounded uncertainties are studied, respectively. However, this kind of uncertainty cannot exactly describe the uncertain information due to the finite word length (FWL) effects. Correspondingly, the interval type of parameter uncertainty [89] can describe the uncertain information more exactly than the former type. But in the design process, due to the fact that the vertices of the set of interval uncertain parameters grow exponentially with the number of uncertain parameters, which may result in numerical problems in computation ...

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