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TECHNICAL BRIEFS

Time Periodic Control of a Bladed Disk Assembly Using Shaft Based Actuation

[+] Author and Article Information
György Szász, George T. Flowers

Auburn University, Department of Mechanical Engineering, 201 Ross Hall, Auburn, AL 36849

J. Vib. Acoust 123(3), 395-398 (Feb 01, 2001) (4 pages) doi:10.1115/1.1375163 History: Received July 01, 1999; Revised February 01, 2001
Copyright © 2001 by ASME
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References

Pierre,  C., and Murthy,  D. V., 1992, “Aeroelastic Modal Characteristics of Mistuned Blade Assemblies: Mode Localization and Loss of Eigenstructure,” AIAA J., 30, No. 10, pp. 2483–2496.
Szasz,  G., and Flowers,  G. T., 1999, “Vibration Suppression in Bladed Disk Assemblies with Deliberate Mistuning Via Magnetic Bearings,” J. Vib. Control, 6, pp. 903–921.
Kailath, T., 1980, Linear Systems, Prentice Hall, Englewood Cliffs, N.J.
Joseph,  P., Pandiyan,  R., and Sinha,  S. C., 1993, “Optimal Control of Mechanical Systems Subjected to Periodic Loading Via Chebysev Polynomials,” Opt. Control Appl. Methods, 14, pp. 75–90.
Sinha,  S. C., and Joseph,  P., 1994, “Control of General Dynamic Systems with Periodically Varying Parameters Via Lyapunov Floquet Transformation,” Trans. ASME, 116, pp. 650–658.
Szasz,  G., and Flowers,  G. T., 1999, “Stability Considerations in Controller Designs Developed Using the LF Transformation,” Computer Assisted Mechanics and Engineering Sciences, 6, pp. 495–503.

Figures

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Basic model and actuator configuration
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Effect of mistuning on controllability
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System Floquet multipliers
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(a) Blade displacements for controlled system response to a Type A disturbance. (b) Hub displacements for controlled system response to a Type A disturbance.
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(a) Blade displacements for controlled system response to a Type B disturbance. (b) Hub displacements for controlled system response to a Type B disturbance.

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