H∞ Robust Control of Flexible Beam Vibration by Using a Hybrid Damper

[+] Author and Article Information
Chong-Won Lee

Center for Noise and Vibration Control (NOVIC), Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon 305-701, Korea

Won-Ho Jee

Samsung Aerospace Industries, Ltd., P. O. Box 111, Suwon 440-600, Korea

J. Dyn. Sys., Meas., Control 118(3), 643-648 (Sep 01, 1996) (6 pages) doi:10.1115/1.2801196 History: Online December 03, 2007


A new hybrid damper is proposed to suppress the vibration of a flexible cantilever beam at its free end. It consists of an active piezoelectric-type servo-damper and a passive dampled vibration absorber to effectively suppress both the small and large amplitude vibrations. The H∞ control scheme is successfully applied to a laboratory test rig equipped with the hybrid damper when its overhung length is continually changed.

Copyright © 1996 by The American Society of Mechanical Engineers
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