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RESEARCH PAPERS

A Study of Active Vibration Isolation

[+] Author and Article Information
N. Tanaka, Y. Kikushima

Mechanical Engineering Laboratory, 1-2 Namiki Sakuramura Niiharigun, (Tsukuba Science City), Ibarakiken 305, Japan

J. Vib., Acoust., Stress, and Reliab 107(4), 392-397 (Oct 01, 1985) (6 pages) doi:10.1115/1.3269278 History: Received June 03, 1985; Online November 23, 2009

Abstract

For the purpose of suppressing ground vibration produced by vibrating machines, such as forging hammers, press machines, etc., this paper presents an active vibration isolation method. Unlike conventional isolators, the active isolator proposed in this paper permits rigid support of the machines. First, the principle of the active isolation method is shown, and the system equations are derived. Secondly, the characteristics and the design parameters of the active isolation system are presented. Thirdly, from the point of view of the feedforward control method, the dynamic compensators are designed so as to sufficiently suppress the exciting force. Finally, an experiment is carried out to demonstrate that the active isolator is applicable for suppressing the ground vibration.

Copyright © 1985 by ASME
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