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The numerical range: a tool for robust stability studies?

✍ Scribed by D.H. Owens

Publisher: Elsevier Science
Year: 1984
Tongue: English
Weight: 413 KB
Volume: 5
Category: Article
ISSN: 0167-6911
DOI: 10.1016/s0167-6911(84)80096-1

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✦ Synopsis

The use of numerical range concepts for assessing robust stability of multivariable feedback systems is investigated. The characterization of perturbations by their numerical range allows a more detailed description of their gains and phases and allows a robust stability theorem similar in structure to that of Postlethwaite et al. with the possibility of arbitrary large perturbations.

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