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Nonlinear Analysis and Control of Detached Model Flows

[+] Author Affiliations
Bernardo Galletti, Angelo Iollo, Luca Zannetti

Politecnico di Torino, Torino, Italy

Paper No. FEDSM2002-31052, pp. 1407-1411; 5 pages
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME


In this paper we discuss some aspects related to feed-back control of detached flows. We use a very crude model, a single point vortex of variable intensity, to describe the massive separation region past a cusp followed by a smooth cavity. Then we investigate the controllability and the observabilty of the system by standard nonlinear control techniques. We concentrate on the possibility of controlling such a model by a feed-back controller and define the conditions under which the vortex can be asymptotically stabilized about unstable equilibria.

Copyright © 2002 by ASME
Topics: Flow (Dynamics)



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