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TECHNICAL PAPERS

Experimental Comparison of Delayed Resonator and PD Controlled Vibration Absorbers Using Electromagnetic Actuators

[+] Author and Article Information
Hakan Elmali, Mark Renzulli, Nejat Olgac

Mechanical Engineering Department, University of Connecticut, Storrs, CT 06269-3139

J. Dyn. Sys., Meas., Control 122(3), 514-520 (Feb 03, 1998) (7 pages) doi:10.1115/1.1286820 History: Received February 03, 1998
Copyright © 2000 by ASME
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References

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Jalili, N., and Olgac, N., 1998, “Optimum Design of Delayed Feedback Vibration Absorber Against Wide Band Excitations,” IEEE Conference on Decision and Control, Tampa, FL, pp. 4734–4739.
Puksand,  H., 1975, “Optimum conditions for dynamic vibration absorbers for variable speed systems with rotating and reciprocating unbalance,” Int. J. Mech. Eng. Edu., 3, pp. 145–152.
Soom,  A., and Lee,  M.-S., 1983, “Optimal design of linear and nonlinear absorbers for damped systems,” ASME J. Vib. Acoust., Stress, Reliab. Des. , 105, pp. 112–119.
Seto,  K., and Yamashita,  S., 1991, “Simultaneous Optimum Design Method for Multiple Dynamic Absorbers to Control Multiple Resonance Peaks,” SAE Trans., 100, pp. 1481–1489.
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Von Flotow, A. H., Beard, A., and Bailey, D., 1994, “Adaptive Tuned Vibration Absorbers: Tuning Laws, Tracking Agility, Sizing and Physical Implementations,” Proc. of NOISECON, Orlando, FL.
Sun,  J. Q., Jolly,  M. R., and Norris,  M. A., 1995, “Passive, Adaptive and Active Tuned Vibration Absorbers-A Survey,” ASME Special 50th Anniversary, Design Issue, 117, pp. 234–242.
Seto, K., and Furuishi, Y., 1991, “A Study on Active Dynamic Absorber,” ASME Proc., DE-Vol. 38, pp. 263–270.
Olgac,  N., and Holm-Hansen,  B., 1994, “A Novel Active Vibration Absorption Technique: Delayed Resonator,” J. Sound Vibr., 176, pp. 93–104.
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Olgac,  N., and Hosek,  M., 1997, “Active Vibration Absorption Using Delayed Resonator with Relative Position Measurement,” ASME J. Vibr. Acoust., 119, No. 1, pp. 131–136.
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Figures

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(a) Passive vibration absorber, (b) Delayed Resonator
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A typical root locus plot for a given delay as g varies
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Combined system (SDOF primary+DR absorber)
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DR with electromagnetic actuator
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Block diagram representation of the DR with electromagnetic actuator
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Combined system with electromagnetic actuator
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Gain versus frequency plot for DR only
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Delay versus frequency plot for DR only
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Stability charts for DR alone and for the combined system
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Kp versus frequency plot for PD control
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Kd versus frequency plot for PD control
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Kd versus Kp for PD absorber and the combined system
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Response of the primary, alone and with the passive absorber
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Response of the primary and DR absorber
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Response of the primary and PD absorber

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