ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,011, issued on March 31, was assigned to Schneider Electric USA Inc. (Boston).

"Heuristic-based adaptive system for use with one or more numerical relays" was invented by Pranshu Tiwari (Grafton, Mass.), Frederique Roffet (Coublevie, France) and Aditya Kaveti (North Andover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adaptive system is implemented for use with one or more numerical relays. A plurality of features associated with relay operational profile data is input into a plurality of candidate models, and each candidate model is evaluated for one or more performance metrics. A predictive model is selected for fault detection based ...