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Condition monitoring of electrical cables as installed in industrial processes

  • US 7,478,010 B2
  • Filed: 07/23/2007
  • Issued: 01/13/2009
  • Est. Priority Date: 05/14/2002
  • Status: Expired due to Term
First Claim
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1. A method for verifying the performance and health of a plurality of instruments and processes, said method comprising:

  • sampling data from a plurality of sensors, said sampled data corresponding to a plurality of signals each representing an output from one of said plurality of sensors;

    storing said sampled data;

    analyzing said sampled data, said step of analyzing including performing at least one analysis selected from a group including an analysis of an amplitude probability density, an analysis of a power spectral density, and an analysis of a time domain reflectometry;

    using said analysis results to determine whether a corrective action is required; and

    initiating said corrective action automatically when said step of using said analysis results determines said corrective action is required.

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