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System and method employing a self-organizing map load feature database to identify electric load types of different electric loads

United States Patent

June 17, 2014
View the Complete Patent at the US Patent & Trademark Office
A method identifies electric load types of a plurality of different electric loads. The method includes providing a self-organizing map load feature database of a plurality of different electric load types and a plurality of neurons, each of the load types corresponding to a number of the neurons; employing a weight vector for each of the neurons; sensing a voltage signal and a current signal for each of the loads; determining a load feature vector including at least four different load features from the sensed voltage signal and the sensed current signal for a corresponding one of the loads; and identifying by a processor one of the load types by relating the load feature vector to the neurons of the database by identifying the weight vector of one of the neurons corresponding to the one of the load types that is a minimal distance to the load feature vector.
Lu; Bin (Shanghai, CN), Harley; Ronald G. (Lawrenceville, GA), Du; Liang (Atlanta, GA), Yang; Yi (Milwaukee, WI), Sharma; Santosh K. (Maharashtra, IN), Zambare; Prachi (Maharashtra, IN), Madane; Mayura A. (Maharashtra, IN)
Eaton Corporation (Cleveland, OH), Georgia Tech Research Corporation (Atlanta, GA)
13/ 304,758
November 28, 2011
This invention was made with Government support under DE-EE0003911 awarded by the Department of Energy National Energy Technology Laboratory. The Government has certain rights in this invention.