ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,266, issued on May 20, was assigned to YANSHAN UNIVERSITY (Qinhuangdao, China).

"Experimental platform for electro-hydraulic servo active suspensions and method for fault diagnosis" was invented by Dingxuan Zhao (Qinhuangdao, China), Haiwu Zheng (Qinhuangdao, China) and Hao Xiong (Qinhuangdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An experimental platform of the present disclosure is very close to an active suspension apparatus in a real vehicle. Fault feature data acquired on the basis of the experimental platform can well represent actual faults, so that a fault diagnosis model obtained on the basis of training of fault feature data...