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preventive maintenance apparatus for large operation system

[Category : - OTHER]
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Disclosed are a condition based preventive maintenance apparatus and method for a large operation system. The condition based preventive maintenance apparatus for a large operation system comprises: a collection part for collecting sensor data from a plurality of sensors installed in a system; a feature extraction part for wavelet-transforming the collected sensor data and extracting an energy spectrum as a feature value; a calculation part for calculating a slope and an intercept of the extracted feature value; and a monitoring part for monitoring whether the system is broken or not using the calculated slope and intercept.

Patent publications:

US 11068859

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iucf.hyu (Korea (south))

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