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ADAPTIVE BASELINE DAMAGE DETECTION SYSTEM AND METHOD

  • US 20150308920A1
  • Filed: 04/24/2014
  • Published: 10/29/2015
  • Est. Priority Date: 04/24/2014
  • Status: Abandoned Application
First Claim
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1. A method of detecting damage growth in a structure, comprising the steps of:

  • sensing, with a sensor that is coupled to the structure, a physical quantity reflecting damage growth, to thereby generate and supply a sensor signal;

    extracting a plurality of features from the sensor signal to thereby generate a current feature vector;

    assigning the current feature vector to either a previously created cluster or to a new cluster;

    calculating a stability measure based on clusters to which the current feature vector and a predetermined number of previous feature vectors are assigned; and

    selectively generating an alarm based on the calculated stability measure.

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