Adaptive model training system and method
First Claim
1. A computer-implemented adaptive model training method, said method comprising the steps of:
- providing a set of selectively chosen good data values acquired from operation of an asset wherein the provided set of selectively chosen good data values acquired from operation of the asset are selectively chosen based on at least one predefined criterion of good data quality;
separating the provided set of selectively chosen good data values acquired from operation of the asset based on at least one predefined criterion for assigning each provided selectively chosen good data value to at least one group of separated selectively chosen good data values;
selecting representative selectively chosen good data values from each of the at least one group of separated selectively chosen good data values based on at least one predefined criterion for sampling at least one representative selectively chosen good data value from each of the at least one group of separated selectively chosen good data values;
forming a reduced set of data values by combining the selected representative selectively chosen good values from each of the at least one group of separated selectively chosen good data values; and
storing the reduced set of data values for defining a learned scope of operation of the asset.
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Abstract
An adaptive model training system and method for filtering asset operating data values acquired from a monitored asset for selectively choosing asset operating data values that meet at least one predefined criterion of good data quality while rejecting asset operating data values that fail to meet at least the one predefined criterion of good data quality; and recalibrating a previously trained or calibrated model having a learned scope of normal operation of the asset by utilizing the asset operating data values that meet at least the one predefined criterion of good data quality for adjusting the learned scope of normal operation of the asset for defining a recalibrated model having the adjusted learned scope of normal operation of the asset.
31 Citations
14 Claims
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1. A computer-implemented adaptive model training method, said method comprising the steps of:
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providing a set of selectively chosen good data values acquired from operation of an asset wherein the provided set of selectively chosen good data values acquired from operation of the asset are selectively chosen based on at least one predefined criterion of good data quality; separating the provided set of selectively chosen good data values acquired from operation of the asset based on at least one predefined criterion for assigning each provided selectively chosen good data value to at least one group of separated selectively chosen good data values; selecting representative selectively chosen good data values from each of the at least one group of separated selectively chosen good data values based on at least one predefined criterion for sampling at least one representative selectively chosen good data value from each of the at least one group of separated selectively chosen good data values; forming a reduced set of data values by combining the selected representative selectively chosen good values from each of the at least one group of separated selectively chosen good data values; and storing the reduced set of data values for defining a learned scope of operation of the asset. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer-implemented adaptive model training method, said method comprising the steps of:
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providing a set of selectively chosen good data values acquired from operation of an asset wherein the selectively chosen good data values acquired from operation of the asset are selectively chosen based on at least one predefined criterion of good data quality; clustering the provided selectively chosen good data values based on a computed similarity between each of the provided selectively chosen good data values and at least one predefined criterion for assigning each of the provided selectively chosen good data values to at least one cluster of similar selectively chosen good data values; selecting representative selectively chosen good data values from each of the at least one cluster of similar selectively chosen good data values; forming a reduced set of data values approximating a distribution of the provided selectively chosen good data values by combining the selected representative selectively chosen good data values from each of the at least one cluster of similar selectively chosen good data values; and storing the reduced set of data values approximating the distribution of the provided selectively chosen good data values for defining a learned scope of operation of the asset. - View Dependent Claims (8, 9)
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10. A computer-implemented data reduction method, said method comprising:
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providing a set of selectively chosen good data values acquired from operation of an asset wherein the selectively chosen good data values acquired from operation of the asset are selectively chosen based on at least one predefined criterion of good data quality; recursively dividing the set of provided selectively chosen good data values into a plurality of clusters until each of the plurality of clusters satisfies at least one predefined test statistic so that each of the plurality of clusters comprises similar selectively chosen good data values; selecting representative selectively chosen good data values from each of the plurality of clusters of similar selectively chosen good data values; forming a reduced set of data values approximating a distribution of the provided selectively chosen good data values by combining the selected representative selectively chosen good data values from each of the plurality of clusters of similar selectively chosen good data values; and storing the reduced set of data values approximating the distribution of the provided selectively chosen good data values for defining a learned scope of operation of the asset. - View Dependent Claims (11, 12)
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13. A computer-implemented adaptive model training method, said method comprising the steps of:
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obtaining a set of initial data values from operation of an asset; sorting the obtained set of initial data values into at least one set of operating mode partitioned data values based on at least one predefined criterion for determining an operating mode of the asset; filtering the at least one set of operating mode partitioned data values based on at least one predefined criterion of good data quality to obtain at least one set of good quality data values for at least one operating mode of the asset; separating the at least one set of good quality data values for the at least one operating mode of the asset based on at least one predefined criterion for assigning each of the good quality data values to at least one set of separated good quality data values for the at least one operating mode of the asset; selecting at least one set of representative good quality data values for the at least one operating mode of the asset from each of the at least one set of separated good quality data values for the at least one operating mode of the asset based on at least one predefined criterion for sampling representative good quality data values from each of the at least one set of separated good quality data values for the at least one operating mode of the asset; and forming a reduced set of data values for the at least one operating mode of the asset by combining each of the at least one set of the selected representative good quality data values for the at least one operating mode of the asset. - View Dependent Claims (14)
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Specification