ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,840, issued on May 27, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).
"Fault diagnosis method and apparatus for four-switch buck-boost converter" was invented by Xin Zhang (Hangzhou, China), Xueqi Liu (Hangzhou, China) and Hao Ma (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a fault diagnosis method for a four-switch Buck-Boost converter, including the following steps: obtaining circuit parameters when different faults occur, labeling fault parameters with fault types, and combining the fault parameters and labels into a data set; constructing a simplified self-organizing neural network consisting of a pluralit...