ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,566, issued on July 7, was assigned to ROHM Co. LTD. (Kyoto, Japan).
"Controller circuit of motor and control method" was invented by Tatsuro Shimizu (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a controller circuit, which is a controller circuit of a motor. The controller circuit includes: a compensator, configured to generate a manipulated amount corresponding to an error between a detected value of a control amount of the motor and a command value of the control amount; and a disturbance observer. The disturbance observer has a transfer function of a system in which the command value is an input, and...