US Patent Issued to Beihang University on March 11 for "Method for UAV path planning in urban airspace based on safe reinforcement learning" (Chinese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,327, issued on March 11, was assigned to Beihang University (Beijing).

"Method for UAV path planning in urban airspace based on safe reinforcement learning" was invented by Xuejun Zhang (Beijing), Yan Li (Beijing) and Yuanjun Zhu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for UAV path planning in urban airspace based on a safe reinforcement learning (RL) algorithm called shield-DDPG, which combines a shield model with a DDPG algorithm and pertains to the field of UAV technologies. The method takes an attractive force from the destination point into account when an action is selected, which impro...