Abstract

This paper suggests a method for identification in the /spl nu/-gap metric. For a finite number of frequency response samples, a problem for identification in the /spl nu/-gap metric is formulated and an approximate solution is described. It uses an iterative technique for obtaining an /spl Lscr//sub 2/-gap approximation. Each stage of the iteration involves solving an LMI optimisation. Given a known stabilising controller and the /spl Lscr/2-gap approximation, it is shown how to derive a /spl nu/-gap approximation.

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