Title :
Robust unobservability for uncertain linear systems with structured uncertainty
Author :
Petersen, Ian R.
Author_Institution :
Sch. of Inf. Technol. & Electr. Eng., Australian Defence Force Acad., Canberra, ACT, Australia
Abstract :
This paper introduces a notion of robust unobservability for a class of uncertain linear systems with structured uncertainty described by averaged integral quadratic constraints. This notion relates to the question of when a state is unobservable for all possible values of the uncertainty. This question may arise which considering modelling and realization theory for uncertain systems. The paper presents an algorithm for finding the robust unobservability function and corresponding unobservable cone.
Keywords :
linear systems; observability; robust control; time-varying systems; uncertain systems; averaged integral quadratic constraints; modelling theory; realization theory; robust unobservability; structured uncertainty; uncertain linear systems; unobservable cone; Australia Council; Information technology; Linear systems; Observability; Optimal control; Robustness; State estimation; Time varying systems; Uncertain systems; Uncertainty;
Conference_Titel :
Decision and Control, 2004. CDC. 43rd IEEE Conference on
Print_ISBN :
0-7803-8682-5
DOI :
10.1109/CDC.2004.1428868
