Dynamic output feedback control of minimum-phase nonlinear systems

Prodromos Daoutidis, Costas Kravaris

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


The synthesis of dynamic output feedback controllers for minimum-phase nonlinear systems is considered. The problem is addressed first for open-loop stable and then for general nonlinear systems, leading to dynamic one- and two-degree-of-freedom controllers, respectively. The derivation of the controllers is based on state-space considerations, essentially involving a combination of state feedback and state observers. An input/output interpretation of the control structures illustrates the importance of alternative state-space realizations of the inverse system for the controller implementation. The issue of closed-loop stability is discussed and precise internal stability conditions are derived.

Original languageEnglish (US)
Title of host publicationProceedings of the American Control Conference
Editors Anon
PublisherPubl by American Automatic Control Council
Number of pages6
ISBN (Print)0879425652
StatePublished - Dec 1 1991
EventProceedings of the 1991 American Control Conference - Boston, MA, USA
Duration: Jun 26 1991Jun 28 1991


OtherProceedings of the 1991 American Control Conference
CityBoston, MA, USA


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