ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,382, issued on Aug. 12, was assigned to DENSO Corp. (Kariya, Japan).
"Motor control device and electric power steering device provided with same" was invented by Kohei Oba (Kariya, Japan), Yosuke Matsuki (Kariya, Japan) and Ryo Kano (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A field-weakening controller determines a d-axis current command correction value in a field-weakening control according to a voltage of a DC power supply and a voltage amplitude of a voltage command. A d-axis current final value calculator outputs a d-axis current command final value calculated using a d-axis current command value and a d-axis current command...