Title :
A unified approach to stability robustness for uncertainty descriptions based on fractional model representations
Author :
De Callafon, Raymond A. ; Den Hof, Paul M J Van ; Bongers, Peter M M
Author_Institution :
Mech. Eng. & Syst. Control Group, Delft Univ. of Technol., Netherlands
fDate :
5/1/1996 12:00:00 AM
Abstract :
The powerful standard representation for uncertainty descriptions in a basic perturbation model based on a standard plant representation can be used to attain necessary and sufficient conditions for stability robustness within various uncertainty descriptions. In this paper, these results are employed to formulate necessary and sufficient conditions for stability robustness of several uncertainty sets based on unstructured additive coprime factor uncertainty, gap-metric uncertainty, and Λ-gap uncertainty
Keywords :
control system synthesis; feedback; robust control; uncertain systems; Λ-gap uncertainty; fractional model representations; gap-metric uncertainty; necessary and sufficient conditions; stability robustness; uncertainty descriptions; uncertainty sets; unified approach; unstructured additive coprime factor uncertainty; Adaptive control; Additives; Control design; Control systems; Control theory; Feedback; Mechanical engineering; Robust stability; Sufficient conditions; Uncertainty;
Journal_Title :
Automatic Control, IEEE Transactions on
