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TECHNICAL PAPERS

Vibration Control Using Parametric Excitation

[+] Author and Article Information
Phillip H. Nguyen, Jerry H. Ginsberg

The Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Vib. Acoust 123(3), 359-364 (Feb 01, 2001) (6 pages) doi:10.1115/1.1377019 History: Received April 01, 2000; Revised February 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Pendulum with a vertically translating pivot
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Temporal response for low frequency parametric excitation, r=0.95
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Temporal response for moderate frequency parametric excitation, r=0.95
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Temporal response for high frequency parametric excitation, r=0.95
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Amplitude factor as a function of nondimensional pivot frequency 1/α,r=0.95, ϕ=0
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Amplitude factor as a function of pivot amplitude, r=0.95
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Comparison of numerical transient response and two-term analytical Fourier series, r=0.95, α=0.123, β=0.24, ϕ=0
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Amplitude factor as a function of nondimensional pivot frequency 1/α,r=0.7, ϕ=0
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Pivot frequency and amplitude required to achieve γ≈0.1 at a specified excitation frequency
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Amplitude factor as a function of pivot amplitude, r=2
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Frequency response for different combinations of α and β
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Amplitude factor for different combinations of α and β

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