Patents by Inventor Xinchao LI

Xinchao LI 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).

  • Publication number: 20240102782
    Abstract: The invention provides a method for evaluating deep-buried tunnel blasting parameters, and belongs to the technical field of mine engineering. The method comprises: setting multiple diverse blasting schemes; selecting a plurality of test sections with the same geological characteristics, the number of the test sections corresponding to the number of the blasting schemes; blasting the test sections using the blasting schemes, and obtaining diversified monitoring data of each test section; and comparing the diversified monitoring data to select the optimal blasting schemes for the test sections. According to the method for evaluating the deep-buried tunnel blasting parameters, by implementing different blasting schemes in test sections with the same geological characteristics, diversified monitoring data of the test sections are obtained and compared to select the optimal blasting schemes for the test sections, so as to ensure the safety and quality of blasting excavation of deep-buried tunnels.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 28, 2024
    Inventors: Nuwen Xu, Biao Li, Quanfu Ding, Haoyu Mao, Peiwei Xiao, Xiang Zhou, Xinchao Ding, Yuepeng Sun, Yong Xia, Jun Liu, Zhiqiang Sun
  • Patent number: 11836878
    Abstract: A method for constructing a real-geographic-space scene in real time based on a panoramic-video technique is provided. By using a measuring robot and the attitude sensors, accurately determining the geographic coordinates and the attitudes of the cameras, where the cameras may be installed in a fixed or stringing manner, where in the fixing type a plurality of neighboring videos at the same moment undergo orthographic correction and splicing, and in the stringing type the cameras are installed to a guiding device and may locally, independently and quickly move and shoot, and the videos of the neighboring cameras are spliced in real time; and fusing the videos, the geographic coordinates and the environment sounds that satisfy the delay time, to form a scene video streaming.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: December 5, 2023
    Assignees: PEKING UNIVERSITY, Beijing LongRuan Technologies Inc.
    Inventors: Shanjun Mao, Yingbo Fan, Ben Li, Huazhou Chen, Xinchao Li
  • Patent number: 11826914
    Abstract: mechanical arm type measuring robot device and an application method, and relates to the technical field of intelligent coal mine mining. The mechanical arm type measuring robot device comprises an automatic leveling total station, a protection mechanism, a pitch adjusting mechanism, a yaw adjusting mechanism, a vertical rotating mechanism, a controller, a mounting base and a mobile terminal. Based on a preset pitch angle and a preset yaw angle, the measuring robot starts from an initial position, and performs extension and retraction actions in a plurality of degrees of freedom in the pitch adjusting mechanism and the yaw adjusting mechanism to move the total station to a preset working position.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: November 28, 2023
    Assignee: Beijing LongRuan Technologies Inc.
    Inventors: Shanjun Mao, Xinchao Li, Huazhou Chen
  • Publication number: 20230360338
    Abstract: A method for constructing a real-geographic-space scene in real time based on a panoramic-video technique is provided. By using a measuring robot and the attitude sensors, accurately determining the geographic coordinates and the attitudes of the cameras, where the cameras may be installed in a fixed or stringing manner, where in the fixing type a plurality of neighboring videos at the same moment undergo orthographic correction and splicing, and in the stringing type the cameras are installed to a guiding device and may locally, independently and quickly move and shoot, and the videos of the neighboring cameras are spliced in real time; and fusing the videos, the geographic coordinates and the environment sounds that satisfy the delay time, to form a scene video streaming.
    Type: Application
    Filed: May 9, 2023
    Publication date: November 9, 2023
    Applicants: PEKING UNIVERSITY, Beijing LongRuan Technologies Inc.
    Inventors: Shanjun MAO, Yingbo FAN, Ben LI, Huazhou CHEN, Xinchao LI
  • Patent number: 11435183
    Abstract: A measuring-robot device for fully mechanized coal mining faces and an automatic measuring system are provided. The measuring robot includes a suspension cage, a total station, a prism and an industrial computer. Firstly, the suspension cage with automatic leveling function is fixed on the top beam of a hydraulic support, then the total station and the industrial computer are fixed in the suspension cage, and finally the prism with a plug connector is installed under the base of the total station, forming a measuring-robot device. According to the fluctuations of the fully mechanized coal mining face, several measuring robots will be deployed along the fully mechanized coal mining face, and the adjacent measuring robots are line of sight to each other, forming the automatic measuring system covering the fully mechanized coal mining.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: September 6, 2022
    Assignees: BEIJING LONGRUAN TECHNOLOGIES INC., TIANJIN NAVIGATION INSTRUMENTS RESEARCH INSTITUTE
    Inventors: Shanjun Mao, Xinyuan Zhang, Xinchao Li, Yang Tai, Huazhou Chen, Jiazhuo Liu
  • Publication number: 20220221276
    Abstract: A measuring-robot device for fully mechanized coal mining faces and an automatic measuring system are provided. The measuring robot includes a suspension cage, a total station, a prism and an industrial computer. Firstly, the suspension cage with automatic leveling function is fixed on the top beam of a hydraulic support, then the total station and the industrial computer are fixed in the suspension cage, and finally the prism with a plug connector is installed under the base of the total station, forming a measuring-robot device. According to the fluctuations of the fully mechanized coal mining face, several measuring robots will be deployed along the fully mechanized coal mining face, and the adjacent measuring robots are line of sight to each other, forming the automatic measuring system covering the fully mechanized coal mining.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 14, 2022
    Applicants: Beijing LongRuan Technologies Inc., Tianjin Navigation Instruments Research Institute
    Inventors: Shanjun MAO, Xinyuan ZHANG, Xinchao LI, Yang TAI, Huazhou CHEN, Jiazhuo LIU
  • Publication number: 20220207825
    Abstract: A machine vision-based tree recognition method and device are provided. The machine vision-based tree recognition method may include obtaining a top view image containing a tree and processing the top view image to obtain pixel position information of a tree center of the tree and tree radius information corresponding to the tree center in the top view image.
    Type: Application
    Filed: March 16, 2022
    Publication date: June 30, 2022
    Applicant: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Chuangjie REN, Xinchao LI, Sijin LI, Jiabin LIANG, Yi TIAN
  • Publication number: 20210390329
    Abstract: An image processing method includes: obtaining target image data, the target image data including a target image and depth data corresponding to various pixels in the target image; processing the target image data to obtain a confidence level feature map of semantics of the target image data; and based on the confidence level feature map, determining a position of a target region in the target image data.
    Type: Application
    Filed: August 14, 2021
    Publication date: December 16, 2021
    Inventors: Chuangjie REN, Xinchao LI, Sijin LI
  • Publication number: 20210245880
    Abstract: A control method includes obtaining three-dimensional (3D) spatial information of a target crop area planted with a plurality of target crops; determining spraying control information based on the 3D spatial information; and controlling a spraying unmanned aerial vehicle (UAV) to perform spraying on the plurality of target crops based on the spraying control information. The spraying control information includes a spraying mode for controlling the spraying UAV to perform spraying on one target crop of the plurality of target crops, and the spraying mode includes a flight mode.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Inventors: Guang YAN, Xianghua JIA, Dongdong MA, Xinchao LI, Jinsong LI