Control of Forced Vibration Using Multi-Electrode Electro-Rheological Fluid Dampers

[+] Author and Article Information
F. Gordaninejad, A. Ray, H. Wang

Department of Mechanical Engineering, University of Nevada, Reno, NV 89557

J. Vib. Acoust 119(4), 527-531 (Oct 01, 1997) (5 pages) doi:10.1115/1.2889755 History: Received November 01, 1994; Online February 26, 2008


Vibration control of cylindrical, electro-rheological fluid (ERF) dampers were studied. Single- as well as multi-electrode cylindrical ERF dampers were designed, built and tested under a forced vibration motion. Closed-loop, on-line control systems utilizing bang-hang and linear proportional controller were implemented to control the damping capacity of the ERF dampers. In addition, the designs were modified to reduce the required activation voltage. These modifications include increasing the electrode surface area as well as the number of electrodes. The damping ability of the dampers was further enhanced by using two identical dampers in series connection.

Copyright © 1997 by The American Society of Mechanical Engineers
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