H** infinity -CONTROLLER DEGREE BOUNDS BY INTERPOLATION THEORY.

D. J.N. Limebeer*, B. D.O. Anderson

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

An upper bound is derived for the McMillan degree of all H** infinity -optimal controllers using vector interpolation theory. The advantage of this method is that interpolation theory leads directly to a degree bound on all optimal closed loops. With this in hand, it is relatively easy to obtain a bound on the controller degree. A novel result on the degree of all optimal solutions to the matrix Nevanlinna-Pick problem.

Original languageEnglish
Pages (from-to)1344-1349
Number of pages6
JournalProceedings of the IEEE Conference on Decision and Control
Publication statusPublished - 1987
Externally publishedYes

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