Patents by Inventor Chengxian SHA

Chengxian SHA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12236790
    Abstract: Disclosed are an unmanned aerial vehicle positioning method and apparatus, and a storage medium. The unmanned aerial vehicle positioning method comprises: when a first unmanned aerial vehicle loses a satellite positioning signal, determining first information and second information of each of at least three second unmanned aerial vehicles on the basis of a UWB signal, wherein the first information represents a relative distance between each second unmanned aerial vehicle and the first unmanned aerial vehicle, and the second information is carried by the second unmanned aerial vehicle in a transmitted UWB signal and represents real-time positioning information measured by the second unmanned aerial vehicle on the basis of the satellite positioning signal; and determining real-time positioning information of the first unmanned aerial vehicle according to the first information and the second information of each of the at least three second unmanned aerial vehicles.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: February 25, 2025
    Assignee: BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD.
    Inventor: Chengxian Sha
  • Patent number: 12085959
    Abstract: An unmanned aerial vehicle cluster system, a method, apparatus, and system of launching, and a readable medium. The unmanned aerial vehicle cluster includes a plurality of unmanned aerial vehicles located in a launch area. The method of launching the unmanned aerial vehicle cluster includes: acquiring (S210) launch positions for the plurality of unmanned aerial vehicles in the launch area; acquiring (S220) an assembly area which corresponds to the launch area and includes a plurality of target positions; determining (S230) a target position for each unmanned aerial vehicle of the plurality of unmanned aerial vehicles according to the launch positions for the plurality of unmanned aerial vehicles and the plurality of target positions; and launching (S240) the plurality of unmanned aerial vehicles according to the launch position for each unmanned aerial vehicle of the plurality of unmanned aerial vehicles and the target position for each unmanned aerial vehicle.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: September 10, 2024
    Assignee: BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhang, Hang Ba, Chengxian Sha, Longfei Zheng, Yunan Chen
  • Publication number: 20230410662
    Abstract: Disclosed are an unmanned aerial vehicle positioning method and apparatus, and a storage medium. The unmanned aerial vehicle positioning method comprises: when a first unmanned aerial vehicle loses a satellite positioning signal, determining first information and second information of each of at least three second unmanned aerial vehicles on the basis of a UWB signal, wherein the first information represents a relative distance between each second unmanned aerial vehicle and the first unmanned aerial vehicle, and the second information is carried by the second unmanned aerial vehicle in a transmitted UWB signal and represents real-time positioning information measured by the second unmanned aerial vehicle on the basis of the satellite positioning signal; and determining real-time positioning information of the first unmanned aerial vehicle according to the first information and the second information of each of the at least three second unmanned aerial vehicles.
    Type: Application
    Filed: August 31, 2021
    Publication date: December 21, 2023
    Inventor: Chengxian SHA
  • Publication number: 20220147062
    Abstract: An unmanned aerial vehicle cluster system, a method, apparatus, and system of launching, and a readable medium. The unmanned aerial vehicle cluster includes a plurality of unmanned aerial vehicles located in a launch area. The method of launching the unmanned aerial vehicle cluster includes: acquiring (S210) launch positions for the plurality of unmanned aerial vehicles in the launch area; acquiring (S220) an assembly area which corresponds to the launch area and includes a plurality of target positions; determining (S230) a target position for each unmanned aerial vehicle of the plurality of unmanned aerial vehicles according to the launch positions for the plurality of unmanned aerial vehicles and the plurality of target positions; and launching (S240) the plurality of unmanned aerial vehicles according to the launch position for each unmanned aerial vehicle of the plurality of unmanned aerial vehicles and the target position for each unmanned aerial vehicle.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 12, 2022
    Inventors: Bo ZHANG, Hang BA, Chengxian SHA, Longfei ZHENG, Yunan CHEN