US Patent Issued to NACHI-FUJIKOSHI on June 24 for "Abnormality detection method in twin-motor-driven robot" (Japanese Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,486, issued on June 24, was assigned to NACHI-FUJIKOSHI CORP. (Tokyo).

"Abnormality detection method in twin-motor-driven robot" was invented by Keiji Fujiki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation controller configured to give a fine operation command to a master shaft in a state in which servomotors are excited and respective excitation brakes of the master shaft and the slave shaft are released, and an abnormality detector configured to perform detection of an abnormality of the excitation brake of the slave shaft by detecting an operation amount of the slave shaft that is obtained when the slave shaft is finely operate...