Patents by Inventor Xianqiang WANG

Xianqiang WANG 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).

  • Automatic test system for actual stress of a bridge based on DIC technology
    Patent number: 11802808
    Abstract: The present disclosure provides an automatic test system for actual stress of a bridge based on DIC technology, where the system includes a camera, a phosphor spraying device, a computer, and a sliding rail; the sliding rail is arranged on both sides of an upper wing of a box-shaped concrete beam; the phosphor spraying device is used to spray phosphor on a web of the box-shaped concrete beam to form speckles of varying light and shade; the camera is slidably connected to the sliding rail through a bracket, and is used to photograph the speckles and transmit a speckle image to the computer; and the computer is used to analyze and process the speckle image taken by the camera and generate a time history diagram of stress.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: October 31, 2023
    Assignees: JSTI GROUP CO. LTD, NANJING TECH UNIVERSITY
    Inventors: Duo Liu, Jiandong Zhang, Hui Xiong, Xiaonan Feng, Xianqiang Wang, Jun Lu
  • AUTOMATIC TEST SYSTEM FOR ACTUAL STRESS OF A BRIDGE BASED ON DIC TECHNOLOGY
    Publication number: 20220357235
    Abstract: The present disclosure provides an automatic test system for actual stress of a bridge based on DIC technology, where the system includes a camera, a phosphor spraying device, a computer, and a sliding rail; the sliding rail is arranged on both sides of an upper wing of a box-shaped concrete beam; the phosphor spraying device is used to spray phosphor on a web of the box-shaped concrete beam to form speckles of varying light and shade; the camera is slidably connected to the sliding rail through a bracket, and is used to photograph the speckles and transmit a speckle image to the computer; and the computer is used to analyze and process the speckle image taken by the camera and generate a time history diagram of stress.
    Type: Application
    Filed: June 24, 2020
    Publication date: November 10, 2022
    Inventors: Duo LIU, Jiandong ZHANG, Hui XIONG, Xiaonan FENG, Xianqiang WANG, Jun LU