Title :
A nonsmooth IQC method for robust synthesis.
Author :
Olivier, Prot ; Apkarian, Pierre ; Noll, Dominikus
Author_Institution :
Univ. Paul Sabatier, Toulouse
Abstract :
Synthesis of robust Hinfin output feedback controllers for plants subject to parametric uncertainties is discussed. We use the formalism of integral quadratic constraints (IQCs) to model structured parametric uncertainties and present a nonsmooth optimization method for IQCs which reduces conservatism by way of dynamic multipliers. Numerical experiments indicate that the method is promising and expected to improve over currently available heuristics.
Keywords :
Hinfin control; control system synthesis; feedback; robust control; uncertain systems; integral quadratic constraints; nonsmooth IQC method; nonsmooth optimization method; parametric uncertainties; robust Hinfin output feedback control; robust synthesis; Constraint optimization; Constraint theory; Eigenvalues and eigenfunctions; Optimization methods; Output feedback; Robust control; Robustness; Symmetric matrices; USA Councils; Uncertainty;
Conference_Titel :
Decision and Control, 2007 46th IEEE Conference on
Conference_Location :
New Orleans, LA
Print_ISBN :
978-1-4244-1497-0
Electronic_ISBN :
0191-2216
DOI :
10.1109/CDC.2007.4434313