US Patent Issued to KONE on Aug. 4 for "Methods for identifying at least one parameter of a permanent magnet motor of an elevator, elevator drive units, and elevators" (Finnish Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,182, issued on Aug. 4, was assigned to KONE Corp. (Helsinki).

"Methods for identifying at least one parameter of a permanent magnet motor of an elevator, elevator drive units, and elevators" was invented by Lauri Stolt (Helsinki), Mikko Paakkinen (Helsinki) and Tuukka Kauppinen (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for identifying parameters, such as a magnetization-axis and torque-axis inductances, of a permanent magnet motor of an elevator includes applying, such as by a brake controller, at least one hoisting machinery brake to prevent rotation of a rotor of the permanent magnet motor, determining, by a first method, a ...