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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(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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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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Gain versus frequency plot for DR only




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