US Patent Issued to BEIJING JIAOTONG UNIVERSITY on May 20 for "Relative velocity based train protection method and apparatus" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,540, issued on May 20, was assigned to BEIJING JIAOTONG UNIVERSITY (Beijing).

"Relative velocity based train protection method and apparatus" was invented by Hongjie Liu (Beijing), Shuai Su (Beijing), Ming Chai (Beijing) and Jidong Lv (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a relative velocity train protection method and apparatus. The method includes the following steps: a preceding train and a following train in two successive trains calculate their safe spatial-temporal trajectory information in a stopping process using an electronic map, velocity measurement and positioning information, and performance of the train (S...