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Ultrasensitive surveillance of sensors and processes

  • US 6,202,038 B1
  • Filed: 08/12/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 01/14/1998
  • Status: Expired due to Term
First Claim
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1. A method of monitoring a source of data for determining an operating condition of a selected system, comprising the steps of:

  • providing reference data characteristic of an operating condition of a reference system;

    collecting selected data from said source of data and which is characteristic of an operating condition of a selected system;

    performing a bounded angle ratio test procedure on said reference data and said selected data to determine whether there is a deviation of said selected data for said selected system relative to said reference data of said reference system; and

    generating an indication upon determining the deviation.

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