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System and method for rotor blade health monitoring

  • US 7,941,281 B2
  • Filed: 12/22/2008
  • Issued: 05/10/2011
  • Est. Priority Date: 12/22/2008
  • Status: Active Grant
First Claim
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1. A system comprising:

  • time of arrival (TOA) sensors; and

    a controller comprisinga sensor level fuser configured for obtaining TOA signals from one or more of the TOA sensors, wherein the TOA signals are indicative of times of arrival of rotating rotor blades and fusing the TOA signals for obtaining combined features;

    a processor configured for obtaining TOA signals from the respective TOA sensors and for determining initial features from the TOA signals; and

    a feature level fuser configured for fusing the initial features, the combined features, and operational parameters of the rotating rotor blades for use in evaluating the health of the rotating rotor blades.

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