Robust H2 performance of uncertain linear systems with bounded parameter variations

In this paper, the robust H₂ performance analysis problem was addressed for uncertain linear systems with structured time-varying uncertainties, which have bounded variation rates specified by an integral quadratic constraint (IQC). The analysis condition for robust H₂ performance was first formulated as a matrix inequality with multipliers. Consequently, a computational scheme with mixed features of basis function parameterization and gridding has been proposed to convert the analysis condition into linear matrix inequalities (LMI), which can be solved efficiently