METHOD FOR ESTIMATING THE REMAINING SERVICE LIFE OF SUBJECT EQUIPMENT
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United States of America Patent
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Issued Date -
Aug 18, 2022
app pub date -
Jul 2, 2020
filing date -
Jul 5, 2019
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Abstract
A method for estimating a Remaining Useful Life of a subject equipment, with a preliminary phase including the following steps: acquire test observations (step 10) and produce test time series (Sx) of at least one signature; partition the test time series to obtain severity classes corresponding to the ageing phases of the test equipment devices (step 14); carry out an initial learning of a diagnosis model on the test equipment devices (step 45); perform a second learning of a signature prediction model (step 51). There is also an operational phase including the following steps: acquire observations when in operation on the subject equipment and produce an extrapolated time series using the prediction model; classify the extrapolated time series using the diagnosis model and derive the remaining useful life of the subject equipment.
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