ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,499, issued on Aug. 5, was assigned to Infineon Technologies Austria AG (Villach, Austria).

"Automated load torque ripple compensation using feedforward signals calculated using a cross-correlation function" was invented by Brendan Murray (Los Angeles) and Lei Han (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor controller includes a measurement interface configured to measure a mechanical angle of a shaft driven by a motor and a rotational speed of the shaft, and generate a speed feedback signal representative of the rotational speed, a speed regulator, and a current regulator. The speed regulator includes an error component confi...