Exploring strategies for closed-loop cavity flow control

M. Samimy, M. Debiasi, E. Caraballo, J. Malone, Jesse C Little, H. Özbay, M. Ö Efe, P. Yan, X. Yuan, J. DeBonis, J. H. Myatt, R. C. Camphouse

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

18 Citations (Scopus)

Abstract

One of the current three main thrust areas of the Collaborative Center of Control Science (CCCS) at The Ohio State University is feedback control of aerodynamic flows. Synergistic capabilities of the flow control team include all of the required multidisciplinary areas of flow simulations, low-dimensional and reduced-order modeling, controller design and experimental integration and implementation of the components along with actuators and sensors. The initial application chosen for study is closed-loop control of shallow subsonic cavity flows. We have made significant progress in the development of various components necessary for reduced-order model based control strategy, which will be presented and discussed in this paper. Stochastic estimation was used to show that surface pressure measurements along with the reduced-order model based on flow-field variables can be used for closed-loop control. Linear controllers such as H . Smith predictor, and PID were implemented experimentally with various degrees of success. The results showed limitations of linear controllers for cavity flow with inherent nonlinear dynamics. Detailed experimental work further explored the physics and showed the highly non-linear nature of the cavity flow and the effects of forcing on the flow structure.

Original languageEnglish (US)
Title of host publicationAIAA Paper
Pages4845-4860
Number of pages16
StatePublished - 2004
Externally publishedYes
Event42nd AIAA Aerospace Sciences Meeting and Exhibit - Reno, NV, United States
Duration: Jan 5 2004Jan 8 2004

Other

Other42nd AIAA Aerospace Sciences Meeting and Exhibit
CountryUnited States
CityReno, NV
Period1/5/041/8/04

Fingerprint

Flow control
Controllers
Surface measurement
Flow simulation
Flow structure
Pressure measurement
Feedback control
Flow fields
Aerodynamics
Actuators
Physics
Sensors

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Samimy, M., Debiasi, M., Caraballo, E., Malone, J., Little, J. C., Özbay, H., ... Camphouse, R. C. (2004). Exploring strategies for closed-loop cavity flow control. In AIAA Paper (pp. 4845-4860)

Exploring strategies for closed-loop cavity flow control. / Samimy, M.; Debiasi, M.; Caraballo, E.; Malone, J.; Little, Jesse C; Özbay, H.; Efe, M. Ö; Yan, P.; Yuan, X.; DeBonis, J.; Myatt, J. H.; Camphouse, R. C.

AIAA Paper. 2004. p. 4845-4860.

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

Samimy, M, Debiasi, M, Caraballo, E, Malone, J, Little, JC, Özbay, H, Efe, MÖ, Yan, P, Yuan, X, DeBonis, J, Myatt, JH & Camphouse, RC 2004, Exploring strategies for closed-loop cavity flow control. in AIAA Paper. pp. 4845-4860, 42nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, United States, 1/5/04.
Samimy M, Debiasi M, Caraballo E, Malone J, Little JC, Özbay H et al. Exploring strategies for closed-loop cavity flow control. In AIAA Paper. 2004. p. 4845-4860
Samimy, M. ; Debiasi, M. ; Caraballo, E. ; Malone, J. ; Little, Jesse C ; Özbay, H. ; Efe, M. Ö ; Yan, P. ; Yuan, X. ; DeBonis, J. ; Myatt, J. H. ; Camphouse, R. C. / Exploring strategies for closed-loop cavity flow control. AIAA Paper. 2004. pp. 4845-4860
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