Robust robust model reduction

Yoram Halevi, Uri Shaked

Research output: Contribution to journalConference articlepeer-review

Abstract

The problem of linear model reduction is addressed. Given a state-space model of a linear time-invariant system, a model of prescribed order is obtained such that the H2-norm of the difference between the transference of the two models is minimized. The reduced model is modeled as having the same order as the system but with a nonminimal observer form realization. The solution is then based on full order LMIs. The model reduction method is extended to the case where the model to be reduced suffers from parameters uncertainties that lie in a prescribed polytope. A reduced order model is obtained that achieves a prescribed upper-bound on the H2-norm of the differences between the transference of the reduced order model and all the transferences of all the possible systems in the polytope.

Original languageEnglish
Pages (from-to)96-101
Number of pages6
JournalProceedings of the American Control Conference
Volume1
DOIs
StatePublished - 2004
EventProceedings of the 2004 American Control Conference (AAC) - Boston, MA, United States
Duration: 30 Jun 20042 Jul 2004

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