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      • Department of Electrical and Electronics Engineering
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      Modeling and feedback control for subsonic cavity flows: a collaborative approach

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      Author
      Yan, P.
      Debiasi, M.
      Yuan, X.
      Caraballo, E.
      Serrani, A.
      Özbay, Hitay
      Myatt, J. M.
      Samimy, M.
      Date
      2005
      Source Title
      Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, IEEE 2005
      Publisher
      IEEE
      Volume
      2005
      Pages
      5492 - 5497
      Language
      English
      Type
      Conference Paper
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      Abstract
      Feedback control of aerodynamic flows is attracting the attention of researchers from a wide spectrum of specialties, because of its interdisciplinary nature and the challenges inherent to the problem. One of the main goals of the Collaborative Center of Control Science at The Ohio State University is to bring together researchers from different disciplines to advance the science and technology of flow control. This paper presents a comprehensive summary of the effort of the Center on modeling and feedback control of subsonic cavity-flow resonance. In particular, we give a detailed description of the experimental apparatus, including the wind tunnel testbed, the data measurement and acquisition system, and the real time control system. Reduced-order models of the flow dynamics based on physically-oriented linear models and Proper Orthogonal Decomposition are introduced and their effectiveness for control system design discussed. Finally, results obtained with experimental and model-based controller design are discussed.
      Keywords
      Data measurement
      Flow dynamics
      Subsonic cavity
      Subsonic cavity flow resonance
      Data acquisition
      Feedback control
      Flow control
      Mathematical models
      Real time systems
      Resonance
      Subsonic aerodynamics
      Permalink
      http://hdl.handle.net/11693/27353
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/CDC.2005.1583036
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      • Department of Electrical and Electronics Engineering 3524
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