SYSTEMS AND METHODS FOR STATISTICAL CONTROL AND FAULT DETECTION IN A BUILDING MANAGEMENT SYSTEM

  • US 20110061015A1
  • Filed: 11/18/2010
  • Published: 03/10/2011
  • Est. Priority Date: 06/22/2009
  • Status: Active Grant
First Claim
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1. A controller for a building management system comprising:

  • a processing circuit configured to at least one of receive or calculate an updated performance value for the building management system;

    wherein the processing circuit is further configured to maintain at least one threshold parameter relative to a history of performance values, to determine an exponentially weighted moving average of the performance values, and to determine whether the moving average of the performance values is statistically significant by comparing the moving average to the at least one threshold parameter; and

    wherein the processing circuit is further configured to generate an output that indicates a determination of statistical significance.

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