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FUZZY CLASSIFICATION APPROACH TO FAULT PATTERN MATCHING

  • US 20090037772A1
  • Filed: 08/01/2008
  • Published: 02/05/2009
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
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1. A method of diagnosing faults in a monitored system, comprising:

  • generating estimates of parameter data for parameters monitored on the monitored system by using reference parameter data characteristic of known behavior of the system;

    comparing the generated estimates of the parameter data with measured parameter data;

    determining a residual for each of the parameters based on a relationship between the generated estimates of the parameter data and the measured parameter data; and

    implementing at least one fuzzy classification rule to determine a likelihood that a predetermined fault exists, the fuzzy classification rules using residuals of parameters used to indicate the existence of the predetermined fault.

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