ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,414, issued on Sept. 23, was assigned to UBTECH ROBOTICS CORP LTD (Shenzhen, China).

"Robot control method based on trajectory of center of mass, robot and computer-readable storage medium" was invented by Qiuyue Luo (Shenzhen, China), Ligang Ge (Shenzhen, China), Chunyu Chen (Shenzhen, China) and Xuan Luo (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a robot based on a trajectory of a center of mass (COM) of the robot includes: calculate a desired periodic trajectory of the robot in a single gait cycle based on a dynamic equation constructed according to a simplified model of the robot; correct the desire...