US Patent Issued to Elite Semiconductor Microelectronics Technology on Dec. 16 for "Method for enabling permanent magnet synchronous motor to start in reverse direction and associated motor device" (Taiwanese Inventor)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,536, issued on Dec. 16, was assigned to Elite Semiconductor Microelectronics Technology Inc. (Hsinchu, Taiwan).

"Method for enabling permanent magnet synchronous motor to start in reverse direction and associated motor device" was invented by Ru-Chang Wu (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for enabling a permanent magnet synchronous motor (PMSM) to start in a reverse direction may include: estimating a load torque according to a torque and an actual rotational speed of the PMSM, to generate an estimated load torque; controlling the torque according to the estimated load torque to decelerate the PMSM, until the ac...