Title :
Avoiding possible instability in robust simulation of stable parametric uncertain time-invariant systems
Author :
Cugueró, Pep ; Puig, Vicenç ; Saludes, Jordi ; Escobet, Teresa
Author_Institution :
Dept. d´´Enginyeria de Sistemes, Univ. Politecnica de Catalunya, Barcelona, Spain
Abstract :
When the problem of robustly simulating a time-invariant uncertain system is faced, a one step simulation is often chosen due to its lower complexity. However, this approach does not take into account the time invariant nature of the system. This typically results in very conservative simulations, moreover, in dramatic cases it can result in unstable simulations for even stable systems. One such case is presented to illustrate the problem with a solution getting a compromise between complexity of the simulation and fidelity to the time invariant nature of the system
Keywords :
computational complexity; control system synthesis; robust control; simulation; uncertain systems; complexity; conservative simulations; instability avoidance; one step simulation; robust simulation; stable parametric uncertain time-invariant systems; time invariant nature; time-invariant uncertain system; unstable simulations; Computational intelligence; Computational modeling; Equations; Intelligent systems; Laboratories; Postal services; Robust stability; Robustness; Uncertain systems; Uncertainty;
Conference_Titel :
Decision and Control, 2001. Proceedings of the 40th IEEE Conference on
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-7061-9
DOI :
10.1109/.2001.981202