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TECHNICAL PAPERS

Vibration Control of the Rotating Flexible-Shaft/Multi-Flexible-Disk System With the Eddy-Current Damper

[+] Author and Article Information
Rong-Fong Fung, Jung-Hung Sun

Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, 1 University Road, Yenchau, Kaohsiung, Taiwan 824, ROC

Shih-Ming Hsu

Department of Mechanical Engineering, Chung Yuan Christian University, Chung-Li, Taiwan 32023, ROC

J. Vib. Acoust 124(4), 519-526 (Sep 20, 2002) (8 pages) doi:10.1115/1.1502671 History: Received October 01, 2001; Revised May 01, 2002; Online September 20, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic diagram of a rotating shaft/disk coupling system
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Free-body diagram of the eddy-current damping forces
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The transient responses of Timoshenko-beam model. (a) Bending deflection νS(D)(t), (b) Bending deflection wS(D)(t), (c) Shearing deflection θ(O)(t), (d) Shearing deflection θ(O)(t), (e) Transverse deflection uD(R2)(t), (f ) Total mechanical energy E(t). (“[[ellipsis]]”: free vibration; “[[dashed_line]]”: quadratic feedback control; “-.-”: nonlinear feedback control; and “–”: optimal feedback control).
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The transient responses of Euler-beam model. (a) Bending deflection νS(D)(t), (b) Bending deflection wS(D)(t), (c) Transverse deflection uD(R2)(t), (d) Total mechanical energy E(t) (“[[ellipsis]]”: free vibration; “[[dashed_line]]”: quadratic feedback control; “-.-”: nonlinear feedback control; and “–”: optimal feedback control).
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Coil current input iD for (a) quadratic feedback control law, (b) nonlinear feedback control law, and (c) optimal feedback control law

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