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Surveillance system and method having parameter estimation and operating mode partitioning

  • US 20040006398A1
  • Filed: 06/20/2003
  • Published: 01/08/2004
  • Est. Priority Date: 06/09/2000
  • Status: Active Grant
First Claim
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1. - A method for determining asset status, the steps including:

  • creating a process model comprised of a plurality of process submodels each correlative to at least one training data subset partitioned from an unpartitioned training data set and each having an operating mode associated thereto;

    acquiring a set of observed signal data values from an asset;

    determining an operating mode of the asset for the set of observed signal data values;

    selecting a process submodel from the process model as a function of the determined operating mode of the asset;

    calculating a set of estimated signal data values from the selected process submodel for the determined operating mode, and determining asset status as a function of the calculated set of estimated signal data values.

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