Kurtosis Regulating Vibration Controller Apparatus and Method
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United States of America Patent
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Issued Date -
Dec 2, 2010
app pub date -
May 28, 2010
filing date -
Jun 1, 2009
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Abandoned
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Abstract
A vibration control system provides a user-specified value of kurtosis as well as user control over a baseline random spectral density profile. The baseline random spectral density profile and a signal that embeds the desired value of kurtosis are summed in the frequency domain prior to forming a time-domain output waveform that drives a vibration table with attached unit under test. Feedback from a sense transducer attached to the vibration table or the unit under test measures the as-realized vibration's random spectral density and kurtosis value, which are then compared to the desired values to allow correction.
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