Abstract

The robust output feedback consensus problem for homogeneous networked Negative-Imaginary (NI) systems is investigated in this paper. By virtue of the NI systems stability theorem, a set of reasonable yet elegant conditions are derived for guaranteeing consensus under L2 disturbances and NI model uncertainty. Furthermore, the eventual convergence sets of several special NI systems that are commonly studied in the literature are also presented. It is shown how the results in this work embed and generalise earlier results to these classes of systems. Numerical examples are given to illustrate the results of this paper.

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