DocumentCode
337116
Title
Stability margins of cheap controls
Author
Arcak, Murat ; Kokotovi, Petar V.
Author_Institution
Center for Control Eng. & Comput., California Univ., Santa Barbara, CA, USA
Volume
2
fYear
1998
fDate
16-18 Dec 1998
Firstpage
1973
Abstract
We show that stability margins provided by optimal control laws increase when the penalty on the control in the quadratic cost functional is allowed to approach zero. This implies increased robustness with respect to input strictly passive dynamic uncertainties. The result is also extended to a class of nonlinear systems
Keywords
optimal control; robust control; stability criteria; uncertain systems; cheap controls; input strictly passive dynamic uncertainties; nonlinear systems; optimal control laws; quadratic cost functional; robustness; stability margins; Control engineering; Control systems; Costs; Linear systems; Nonlinear dynamical systems; Nonlinear systems; Optimal control; Robust control; Robust stability; Uncertainty;
fLanguage
English
Publisher
ieee
Conference_Titel
Decision and Control, 1998. Proceedings of the 37th IEEE Conference on
Conference_Location
Tampa, FL
ISSN
0191-2216
Print_ISBN
0-7803-4394-8
Type
conf
DOI
10.1109/CDC.1998.758612
Filename
758612
Link To Document