ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,465, issued on April 15, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Electric power steering control device and electric power steering device" was invented by Miki Kohso (Hitachinaka, Japan) and Kosuke Sano (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a feature capable of improving steering sensation in an electric power steering control device. This electric power steering control device is provided with: a basic control amount calculation unit that calculates a basic control amount corresponding to driver's steering; a friction force calculation unit that calculates, by using a friction model, a fri...