System and method to enable the application of optical tracking techniques for generating dynamic quantities of interest with alias protection

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United States of America Patent

PATENT NO 11354881
APP PUB NO 20200302204A1
SERIAL NO

16895870

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Abstract

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Systems and methods for realizing practical applications of high speed digital image correlation (DIC) for dynamic quantities of interest are provided. In particular, a series of images are captured for a component of interest in which a non-filtered sensor and an analog low-pass filtered sensor are included within the region of interest for the series of images. Displacement signals are obtained for the component of interest, the non-filtered sensor, and the analog low-pass filtered sensor by applying digital image correlation processing to the series of images, which may also be wavelet filtered. Dynamic quantities of interest may be generated and derived from the displacement signals after having been wavelet filtered. Such dynamic quantities of interest based on the wavelet filtered DIC-derived displacement signal may be compared to sensor-derived dynamic quantities of interest to determine if aliasing is or is likely to be present.

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Patent Owner(s)

  • UNITED LAUNCH ALLIANCE, L.L.C.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shannon, Ryan Lee Castle Rock, US 6 13

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