Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows

X. Yuan, E. Caraballo, M. Debiasi, Jesse C Little, A. Serrani, H. Özbay, M. Samimy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this paper, we present the latest results of our ongoing research activities in the development of reduced-order models based feedback control of subsonic cavity flows. The model was developed using the Proper Orthogonal Decomposition of Particle Image Velocimetry images in conjunction with the Galerkin projection of the Navier-Stokes equations onto the resulting spatial eigenfunctions. Stochastic Estimation method was used to obtain the state estimation of the Galerkin system from real time surface pressure measurements. A linear-quadratic optimal controller was designed to reduce cavity flow resonance and tested in the experiments. Real-time implementation shows a significant reduction of the sound pressure level within the cavity, with a remarkable attenuation of the resonant tone and a redistribution of the energy into various modes with lower energy levels. A mathematical analysis of the performance of the LQ control, in agreement with the experimental results, is presented and discussed.

Original languageEnglish (US)
Title of host publication14th Mediterranean Conference on Control and Automation, MED'06
DOIs
StatePublished - 2006
Externally publishedYes
Event14th Mediterranean Conference on Control and Automation, MED'06 - Ancona, Italy
Duration: Jun 28 2006Jun 30 2006

Other

Other14th Mediterranean Conference on Control and Automation, MED'06
CountryItaly
CityAncona
Period6/28/066/30/06

Fingerprint

Feedback control
Surface measurement
State estimation
Pressure measurement
Eigenvalues and eigenfunctions
Velocity measurement
Electron energy levels
Navier Stokes equations
Acoustic waves
Decomposition
Controllers
Experiments

ASJC Scopus subject areas

  • Computer Science Applications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Yuan, X., Caraballo, E., Debiasi, M., Little, J. C., Serrani, A., Özbay, H., & Samimy, M. (2006). Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows. In 14th Mediterranean Conference on Control and Automation, MED'06 [1700649] https://doi.org/10.1109/MED.2006.328754

Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows. / Yuan, X.; Caraballo, E.; Debiasi, M.; Little, Jesse C; Serrani, A.; Özbay, H.; Samimy, M.

14th Mediterranean Conference on Control and Automation, MED'06. 2006. 1700649.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yuan, X, Caraballo, E, Debiasi, M, Little, JC, Serrani, A, Özbay, H & Samimy, M 2006, Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows. in 14th Mediterranean Conference on Control and Automation, MED'06., 1700649, 14th Mediterranean Conference on Control and Automation, MED'06, Ancona, Italy, 6/28/06. https://doi.org/10.1109/MED.2006.328754
Yuan X, Caraballo E, Debiasi M, Little JC, Serrani A, Özbay H et al. Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows. In 14th Mediterranean Conference on Control and Automation, MED'06. 2006. 1700649 https://doi.org/10.1109/MED.2006.328754
Yuan, X. ; Caraballo, E. ; Debiasi, M. ; Little, Jesse C ; Serrani, A. ; Özbay, H. ; Samimy, M. / Experimental results and bifurcation analysis on scaled feedback control for subsonic cavity flows. 14th Mediterranean Conference on Control and Automation, MED'06. 2006.
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