US Patent Issued to Zhejiang University City College on Jan. 20 for "Control method for vector flux weakening for vehicle permanent magnet synchronous motor" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,499, issued on Jan. 20, was assigned to Zhejiang University City College (Hangzhou, China).

"Control method for vector flux weakening for vehicle permanent magnet synchronous motor" was invented by Feifan Ji (Hangzhou, China), Jing Li (Hangzhou, China) and Yuwei Chen (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a vector flux weakening control method for vector flux weakening for a vehicle permanent magnet synchronous motor, which includes a current closed-loop adjuster, a modulation ratio deviation calculator, a current command angle compensator, a current angle preset processor, a current command angle limiting compa...