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Method and apparatus for equipment health monitoring

  • US 8,041,542 B2
  • Filed: 01/08/2009
  • Issued: 10/18/2011
  • Est. Priority Date: 07/27/2006
  • Status: Active Grant
First Claim
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1. A computer implemented method of monitoring the health of a system comprising:

  • storing a first plurality of system data associated with at least one steady state capacity level in a memory, wherein the memory is accessible by a building supervisory controller;

    obtaining a second plurality of system data indicative of system conditions during system operations;

    identifying from the second plurality of system data that the system was operating at a normal operating level during at least one sample window of the system operations;

    associating the normal operating level of the at least one sample window with the at least one steady state capacity level;

    retrieving first health data for parameters associated with a first health condition from the first plurality of system data;

    retrieving second health data for parameters associated with the first health condition from the second plurality of system data that were obtained during the at least one sample window;

    comparing the first health data with the second health data;

    determining by the building supervisory controller if the second health data is indicative of a health condition based upon the comparison; and

    displaying the results of the determination.

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