Control of rare intense events in spatiotemporally chaotic systems.
We address the problem of using feedback control for the purpose of suppressing rare intense events in spatially extended systems. As an example, we investigate the use of control to suppress turbulent spikes in the complex Ginzburg-Landau equation in the limit of small dissipation. We explore how information obtained by forecasting can be used to implement spatially and temporally localized control parameter changes and how control strength and cost are related to effectiveness in this framework. The effects of model error and imperfect state measurement are also considered.
Nagy
Viktor
V
University of Maryland, College Park, Maryland 20742, USA.
Ott
Edward
E