ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,534, issued on Dec. 16, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Rotary machine control device" was invented by Kota Teramoto (Tokyo) and Tetsuya Kojima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device includes: a current detector that detects a stator current flowing between a voltage applicator and a stator winding of a rotary machine; a controller that computes a voltage command value based on the stator current and a rotor position, the voltage command value being a command value of a stator voltage applied to the stator winding; a PWM modulator that generates a gate signal such that a value obtained by smoothing...