Title :
Multiplier IQC´s for uncertain time-delays
Author :
Jun, Myungsoo ; Safonov, Michael G.
Author_Institution :
Dept. of Electr. Eng. Syst., California Univ., Los Angeles, CA, USA
Abstract :
This paper describes a set of delay-dependent integral quadratic constraints (IQC) for time-delay uncertainty. The set is linearly parameterized in terms of the frequency-response of a complex-valued multiplier. Using LMI optimization techniques, one may compute optimal multipliers and thereby obtain less conservative IQC stability robustness bounds for systems with uncertain time-delays
Keywords :
delay systems; frequency response; matrix algebra; optimisation; robust control; stability criteria; uncertain systems; IQC stability robustness bounds; LMI optimization techniques; complex-valued multiplier frequency-response; delay-dependent integral quadratic constraints; linear parameterization; multiplier IQC; optimal multipliers; time-delay uncertainty; uncertain time-delays; Delay effects; Delay estimation; Delay systems; Feedback; Frequency; Robust control; Robust stability; Stability analysis; Stability criteria; Uncertainty;
Conference_Titel :
American Control Conference, 2001. Proceedings of the 2001
Conference_Location :
Arlington, VA
Print_ISBN :
0-7803-6495-3
DOI :
10.1109/ACC.2001.946302
