US Patent Issued to Huawei Digital Power Technologies on Oct. 7 for "Double-reference pulse-width modulation for torque minimization of AC machines" (German Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,491, issued on Oct. 7, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Double-reference pulse-width modulation for torque minimization of AC machines" was invented by Anatolii Tcai (Nuremberg, Germany) and Piniwan Thiwanka Bandara Wijekoon (Nuremberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for generating a set of pulse-width modulation control signals for a multi-level power converter. The method includes generating a base reference signal for each of three or more reference phases and determining a maximum reference and minimum reference. The method includes calculating a reference sum of the m...