ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,064, issued on Feb. 18, was assigned to AMPERE S.A.S. (Boulogne-Billancourt, France).
"Method for estimating the electromagnetic torque of a synchronous electric machine" was invented by Malek Ghanes (Nantes, France), Mohamed Hamida (Nantes, France), Abdelmalek Maloum (Chevilly Larue, France) and Mehdi Taherzadeh (Nantes, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device estimates the electromagnetic torque of a three-phase synchronous electric machine including permanent magnets. The device includes: a first flux estimator including two integrators of electromotive force for estimating the respective components of the flux in a fixed t...