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Method for performing gas turbine performance diagnostics

  • US 20040088100A1
  • Filed: 10/31/2002
  • Published: 05/06/2004
  • Est. Priority Date: 10/31/2002
  • Status: Active Grant
First Claim
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1. A method of performing diagnostics on a system comprising:

  • receiving a plurality of measurement parameters, each corresponding to one of a plurality of parameters at a time k;

    forming a deviation vector from said plurality of measurement parameters;

    calculating an initial deviation vector from an initial fault vector;

    calculating a multiple fault isolation deviation vector using said initial deviation vector and said deviation vector;

    determining if an event is in progress using said multiple fault isolation deviation vector;

    performing statistical data validity to set a present inhibit flag and a past inhibit flag; and

    performing module performance analysis according to said present inhibit flag and said past inhibit flag.

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