Aseismic Vibration Control of Flexible Rotors Using Active Magnetic Bearing

[+] Author and Article Information
Osami Matsushita, Toshio Imashima, Yoshitaka Hisanaga, Hiroki Okubo

Mechanical Engineering Department, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa, 239-8686, Japane-mail: osami@nda.ac.jp

J. Vib. Acoust 124(1), 49-57 (Jul 01, 2001) (9 pages) doi:10.1115/1.1423633 History: Received July 01, 2000; Revised July 01, 2001
Copyright © 2002 by ASME
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Typical unbalance response curve
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Mode shapes mode synthesis
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Transformation of coordinate
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Quasi-modal model (3DOF)
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Foundation excitation of 1 DOF system
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Response simulation of seismic excitation
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Test rotor bed on flexible supports
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Typical critical speed map
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Seismic excitation response and control (test)
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Effect of FF control (test)
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Response sensitivity (Kobe)
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Response reduction ratio by FF control
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Tune of feed forward excitation gain parameter



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