Abstract
A framework to derive optimal and robust reduced-order controllers of transitional boundary layers using linear-quadratic-Gaussian (LQG) design, or, in modem terms, H 2 design, is presented. As a test case, two-dimensional Poiseuille flow is considered. A controller based on a reduced model, 8% of the order of the full size system, is designed. Initial conditions creating transient growth of wall-shear stresses are constructed. The controller is tested on a 32 wave numbers simulation. Wall-shear stresses reduction, up to 90%, is obtained. The transferability of the controller to Navier-Stokes simulations and engineering applications is discussed.
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References
M. Gad-el-Hak. Interactive control of turbulent boundary layers — A futuristic overview, AIAA Journal, 32(9):1753 1994.
H.L. Reed, W.S. Saric and D. Arnal. Linear stability theory applied to boundary layers, Annual Review of Fluid Mechanics, 28:389, 1996.
R.W. Barnwell and M.Y. Hussaini. Natural laminar flow and laminar flow control, Springer-Verlag, New York, 1992.
S.S. Joshi, J.L. Speyer and J. Kim. A systems theory approach to the feedback stabilization of infinitesimal and finite-amplitude disturbances in plane Poiseuille flow, J. Fluid Mech., 332:57, 1997.
S.S. Joshi, J.L. Speyer and J. Kim. Modeling and control of two dimensional Poiseuille flow, Proc. 341h Conference on Decision and Control, New Orleans, Louisiana, 921, December 1995.
H.H. Hu and H.H. Bau. Feedback control to delay or advance linear loss of stability in planar Poiseuille flow, Proc. Royal Soc. of London A, 447:299.
K. Zhou, J.C. Doyle and K. Glover. Robust and optimal control, Prentice Hall, 1996.
I. Rhee and J.L. Speyer. A game theoretic approach to a finite-time disturbance attenuation problem, IEEE Trans. Automatic Control, 36(9):1021, 1996.
C.M. Ho and Y.C. Tai. Review — MEMS and its applications for flow control, J. Fluids Eng. - Trans. AMSE, 118:437 1996.
B.F. Farrell, Optimal excitation of perturbations in viscous shear flows, Phys. Fluids, 31(8):2093, 1988.
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© 1998 Springer Science+Business Media New York
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Cortelezzi, L., Speyer, J.L. (1998). Robust Reduced-Order Controller of Transitional Boundary Layers. In: Borggaard, J., Burns, J., Cliff, E., Schreck, S. (eds) Computational Methods for Optimal Design and Control. Progress in Systems and Control Theory, vol 24. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-1-4612-1780-0_8
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DOI: https://doi.org/10.1007/978-1-4612-1780-0_8
Publisher Name: Birkhäuser, Boston, MA
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