US Patent Issued to SOUTHEAST UNIVERSITY on July 15 for "Control method for semi-centralized open winding multi-motor drive system" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,687, issued on July 15, was assigned to SOUTHEAST UNIVERSITY (Jiangsu, China).

"Control method for semi-centralized open winding multi-motor drive system" was invented by Wei Wang (Nanjing, China), Weijie Tian (Nanjing, China) and Ming Cheng (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control method for a semi-centralized open winding multi-motor drive system includes: first, measuring current, voltage and position signal, computing system thrust by a velocity loop; then, distributing the thrust to each motor, converting the thrust into q axis current, computing dq axis voltages required for each motor by a current loop, and tra...