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TECHNICAL PAPERS

Confinement and Suppression of Structural Vibrations

[+] Author and Article Information
Slim Choura

Département de Préparation Au Concours Technologique, Institut Préparatoire Aux Etudes D’Ingénieurs de Sfax, B.P. 805 Route Menzel Chaker km 1/,2 Sfax 3018, Tunisia

Ahmet S. Yigit

Department of Mechanical and Industrial Engineering, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait

J. Vib. Acoust 123(4), 496-501 (Apr 01, 2001) (6 pages) doi:10.1115/1.1385837 History: Received July 01, 2000; Revised April 01, 2001
Copyright © 2001 by ASME
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References

Liebst, B. S., and Garrad, W. L., 1985, “Application of Eigenspace Techniques to Design of Aircraft Control Systems,” Proceedings of the 1985 American Control Conference, pp. 475–480.
Sobel,  K. M., Shapiro,  E. Y., and Andry,  A. N., 1994, “Eigenstructure Assignment,” Int. J. Control, 59, pp. 13–37.
Maghami, P. G., and Gupta, S., 1993, “On Eigensystem Assignment with Dissipativity Constraints,” Proceedings of the 1993 American Control Conference, pp. 1271–1275.
Fahmy,  M. M., and O’Reilly,  J., 1982, “On Eigenstructure Assignment in Linear Multivariable System,” IEEE Trans. Autom. Control, AC-27, pp. 690–693.
Juang,  J. N., Lim,  K. B., and Junkins,  J. L., 1989, “Robust Eigensystem Assignment for Flexible Structures,” J. Guid. Control Dyn., 12, pp. 311–317.
Maghami,  P. G., Juang,  J., and Lim,  K. B., 1993, “Eigensystem Assignment with Output Feedback,” J. Guid. Control Dyn., 15, pp. 531–536.
Shaw,  J., and Jayasuriya,  S., 1992, “Arbitrary Assignment of Eigenvectors With State Feedback,” ASME J. Dyn. Syst., Meas., Control, 114, pp. 721–723.
Song, B. K., and Jayasuriya, S., 1993, “Active Vibration Control Using Eigen-vector Assignment for Mode Localization,” Proceedings of the 1993 American Control Conference, pp. 1020–1024.
Shelley,  F. J., and Clark,  W. W., 1996, “Eigenvector Scaling for Mode Localization in Vibrating Systems,” J. Guid. Control Dyn., 19, pp. 1342–1348.
Shelley,  F. J., and Clark,  W. W., 2000, “Experimental Application of Feedback Control to Localize Vibration,” ASME J. Vibr. Acoust., 122, pp. 1143–1150.
Shelley,  F. J., and Clark,  W. W., 2000, “Active Mode Localization in Distributed Parameter Systems with Consideration of Limited Actuator Placement, Part I: Theory; Part II: Simulations and Experiments,” ASME J. Vibr. Acoust., 122, pp. 160–168.
Choura,  S., and Yigit,  A. S., 1995, “Vibration Confinement in Flexible Structures by Distributed Feedback,” Comput. Struct., 54, pp. 531–540.
Yigit,  A. S., and Choura,  S., 1995, “Vibration Confinement in Flexible Structures Via Alteration of Mode Shapes Using Feedback,” J. Sound Vib., 179, pp. 553–567.
Choura,  S., 1995, “Control of Flexible Structures With the Confinement of Vibrations,” ASME J. Dyn. Syst., Meas., Control, 117, pp. 155–164.
Chen, C. T., 1984, Linear System Theory and Design, Holt, Rinehart and Winston, Inc., New York.

Figures

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Finite element model of a cantilever beam
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Confinement and suppression of free vibrations, beam shape at various time instants
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Nodal deflections showing the vibration confinement
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Nodal deflections of the uncontrolled system
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The effect of higher modes on the system response, simulation with a 16- element model
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Confinement of vibrations due to a random force excitation at Node 3

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