ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,754, issued on Sept. 23, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Brake control device and brake control method" was invented by Shumpei Onodera (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a railway vehicle, a brake control device controlling a first brake device that presses a friction material against a wheel and a second brake device not using the friction material includes: a wheel load estimation unit estimating a wheel load-based on a wheel speed and a brake force applied to the wheel by the friction material; a friction surface state quantity estimation unit estimating a current friction coefficient of the friction ma...