Reduced-order model-based feedback controller design for subsonic cavity flows

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buir.contributor.authorÖzbay, Hitay
dc.citation.epage11en_US
dc.citation.spage1en_US
dc.contributor.authorYuan, X.en_US
dc.contributor.authorCaraballo, E.en_US
dc.contributor.authorYan, P.en_US
dc.contributor.authorÖzbay, Hitayen_US
dc.contributor.authorSerrani, A.en_US
dc.contributor.authorDeBonis, J.en_US
dc.contributor.authorMyatt, J. H.en_US
dc.contributor.authorSamimy, M.en_US
dc.coverage.spatialReno, Nevada, United States
dc.date.accessioned2016-02-08T11:50:26Z
dc.date.available2016-02-08T11:50:26Z
dc.date.issued2005-01en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 10-13 January, 2005
dc.descriptionConference name: 43rd AIAA Aerospace Sciences Meeting and Exhibit
dc.description.abstractThis paper explores feedback controller design for cavity flows based on reduced-order models derived using Proper Orthogonal Decomposition (POD) along with Galerkin projection method. Our preliminary analysis shows that the equilibrium of the POD model is unstable and a static output feedback controller cannot stabilize it. We develop Linear Quadratic (LQ) optimal state feedback controllers and LQ optimal observers for the linearized models. The linear controllers and observers are applied to the nonlinear system using simulations. The controller robustness is numerically tested with respect to different POD models generated at different forcing frequencies. An estimation for the region of attraction of the linear controllers is also provided.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T11:50:26Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2005en
dc.identifier.doi10.2514/6.2005-293en_US
dc.identifier.urihttp://hdl.handle.net/11693/27315
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Aeronautics and Astronautics
dc.relation.isversionofhttps://doi.org/10.2514/6.2005-293en_US
dc.source.title43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papersen_US
dc.subjectFeedback controllersen_US
dc.subjectGalerkin projection methoden_US
dc.subjectLinear controllersen_US
dc.subjectProper orthogonal decomposition (POD)en_US
dc.subjectControl equipmenten_US
dc.subjectFeedback controlen_US
dc.subjectFrequenciesen_US
dc.subjectGalerkin methodsen_US
dc.subjectLinear control systemsen_US
dc.subjectState feedbacken_US
dc.subjectSubsonic flowen_US
dc.titleReduced-order model-based feedback controller design for subsonic cavity flowsen_US
dc.typeConference Paperen_US

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