Patents by Inventor Shangmin Sun

Shangmin Sun 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: 20220030132
    Abstract: The present disclosure provides a method and device for correcting a scanned image, and an image scanning system, and relates to the field of image scanning. The method includes obtaining a scanned image of a scanned object, detecting one or more reference objects from the scanned image, determining a deformation parameter of each reference object of the one or more reference objects based on preset a standard parameter of the each reference object, and correcting the scanned image based on the deformation parameters of the one or more reference objects.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 27, 2022
    Inventors: Bicheng LIU, Hao Yu, Weizhen Wang, Guangming Xu, Haojie Chi, Shangmin Sun, Chunguang Zong, Yu Hu
  • Patent number: 11203239
    Abstract: The disclosure relates to a traction device and a traction method. The traction device includes: a support chassis; a swing arm, one end of the swing arm is rotatably connected to the support chassis by a rotating shaft such that the swing arm can be switched in a retracted state and a deployed state, wherein the swing arm in the deployed state is adapted to drive the wheel of the vehicle to rotate and tow the vehicle; a driving mechanism, connected to the swing arm, wherein the driving mechanism is capable of driving the swing arm to horizontally rotate around the rotating shaft to switch the swing arm between the retracted state and the deployed state; and a rolling assembly, disposed on a side of the support chassis and being capable of preventing the wheel from contacting with the side of the support chassis when the vehicle is towed.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 21, 2021
    Assignee: Nuctech Company Limited
    Inventors: Shangmin Sun, Hongqi Li, Yuan He, Quanwei Song, Qiangqiang Wang, Weifeng Yu
  • Publication number: 20210364620
    Abstract: The present disclosure provides a smart automatic frequency control (AFC) apparatus, including: a phase shift module, connected to a first signal input terminal and configured to: receive an incident wave from the first signal input terminal, perform a phase shift on the incident wave according to a phase shift parameter so as to generate a phase-shifted signal, and output the phase-shifted signal to a phase detection module; and the phase detection module, connected to the phase shift module and a second signal input terminal and configured to: receive a reflected wave from the second signal input terminal, perform a phase detection on the phase-shifted signal and the reflected wave so as to generate a phase difference signal, and output the phase difference signal via a control interface.
    Type: Application
    Filed: June 6, 2019
    Publication date: November 25, 2021
    Inventors: Shangmin SUN, Yu HU, Sheng YAO, Tao WANG, Xibin YIN
  • Publication number: 20210364455
    Abstract: The present disclosure provides a back scattering inspection system and a back scattering inspection method. The back scattering inspection system includes a frame and a back scattering inspection device. The rack includes a track arranged vertically or obliquely relative to the ground, and a space enclosed by the track forms an inspection channel; and the back scattering inspection device includes a back scattering ray emitting device and a back scattering detector, and the back scattering inspection device is movably disposed on the track for inspecting an inspected object passing through the inspection channel. The back scattering inspection system can perform back scattering inspection on a plurality of surfaces of the inspected object.
    Type: Application
    Filed: January 3, 2020
    Publication date: November 25, 2021
    Inventors: Jianmin LI, Li ZHANG, Yuanjing LI, Zhiqiang CHEN, Hao YU, Shangmin SUN, Bicheng LIU, Weizhen WANG, Dongyu WANG, Yuan MA, Yu HU, Chunguang ZONG
  • Publication number: 20210354738
    Abstract: The present disclosure relates to a train identification system and method, and a train safety inspection system and method. The train identification system includes: a remote detection component, configured to acquire overall feature information of an inspected train through remote monitoring; and an identification device, configured to determine at least one of a type and a traveling situation of the inspected train according to the acquired overall feature information.
    Type: Application
    Filed: October 8, 2019
    Publication date: November 18, 2021
    Inventors: Yanwei XU, Weifeng YU, Yu HU, Shangmin SUN
  • Publication number: 20210270991
    Abstract: The present disclosure relates to a security scanning inspection system and method. The security scanning inspection system comprises a detector, a scanning device and a controller, wherein the detector is configured to detect a protective attribute of an object to be inspected; the scanning device is movably arranged and the scanning device is configured to emit a scanning ray during movement to perform a security scanning inspection on the object to be inspected, the scanning device comprising at least two working modes, wherein a dose of a scanning ray in each working mode is different from a dose of a scanning ray in any other working modes; and the controller configured to select a working mode of the scanning device according to the protective attribute of the object to be inspected detected by the detector.
    Type: Application
    Filed: January 6, 2020
    Publication date: September 2, 2021
    Inventors: Yanwei XU, Weifeng YU, Yu HU, Chunguang ZONG, Shangmin SUN
  • Publication number: 20210048376
    Abstract: A sampling probe, an automatic sampling device, and a container detection system are provided. The sampling probe includes: a mounting base; a housing mounted on the mounting base, a first accommodation chamber having an opening being defined in the housing, and an exhaust hole in communication with the first accommodation chamber and outside of the housing being formed in the housing; a coupling portion formed on an outer edge of the opening of the first accommodation chamber and formed to be hermetically coupled with an air outlet of a container; and a suction device mounted on the housing and configured to suck gas in the container into the first accommodation chamber through the air outlet. The sampling probe may collect the odor of toxic and harmful gases/hazardous chemicals inside the container at the air outlet of the container, without destroying the overall structure of the container.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 18, 2021
    Applicants: NUCTECH COMPANY LIMITED, Tsinghua University
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Shangmin SUN, Yaohong LIU, Weiping ZHU, Qiufeng MA, Ge LI, Biao CAO, Zheng LIANG, Ying LI, Yu HU
  • Patent number: 10718128
    Abstract: A vehicle inspection system is described. The vehicle inspection system comprises: an inspection device, for performing an inspection on a vehicle to be inspected; a carrier platform, for carrying the vehicle to be inspected; and an unmanned controlled travelling device for moving the carrier platform to pass through a scanning area of the inspection device, so as to perform the inspection on the vehicle to be inspected. In the present disclosure, the vehicle to be inspected is carried by the carrier platform, and the unmanned controlled travelling device is used to move the carrier platform to pass through the scanning area of the inspection device, so that the vehicle to be inspected can be subject to inspection smoothly. There is no driver required to drive through the scanning area in this process, thus avoiding exposure of a driver to a threat of radiation.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 21, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Jianmin Li, Shangmin Sun, Yu Hu, Yuan Ma, Qiangqiang Wang
  • Publication number: 20200217963
    Abstract: The present disclosure provides a laser speed measuring method, control device and a laser velocimeter, and relates to the technical field of security inspection. The laser speed measuring method comprises the steps of: acquiring detection data within a predetermined detection angle range in a plurality of paralleled horizontal planes having different heights, from a plurality of laser rays detected towards a road extending direction in the horizontal plane; acquiring three-dimensional point cloud data according to the detection data; determining a position of a measured object in the road extending direction according to the three-dimensional point cloud data; and determining a speed of the measured object according to the position change of the measured object along the road extending direction at different timing.
    Type: Application
    Filed: March 22, 2020
    Publication date: July 9, 2020
    Inventors: Jian LI, Shangmin SUN, Yongming WANG, Yanwei XU, Weifeng YU, Yu HU, Chunguang ZONG
  • Patent number: 10690803
    Abstract: A mobile scanning inspection system, comprising a vehicle body and an inspection arm including a cross arm and a vertical arm, wherein a first inspection device and a second inspection device are provided on the cross arm; the first inspection device is on the side close to the vehicle body and it emits a first laser inspection plane parallel to the side plane of the vehicle body, and the length of the longest portion of the first laser inspection plane is longer than the length of the vehicle body; the second inspection device is provided on the side close to the vertical arm and it emits a second laser inspection plane parallel to the side plane of the vehicle body and the second laser inspection plane is centered on the vertical arm, and extends a first preset distance and a second preset distance forward and backward.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: June 23, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Tao Jiang, Yanwei Xu, Shangmin Sun, Yu Hu, Weifeng Yu, Xuejing Yang, Youai Yu, Ke Li, Defang Meng
  • Patent number: 10641717
    Abstract: This invention relates to a movable article inspection system and inspection method, wherein the inspection system comprises: a first automated guided vehicle, a radiation source and a detection mechanism; said radiation source and said detection mechanism are both mounted on said first automated guided vehicle, said first automated guided vehicle is able to move to a preset scanning inspection position, such that scanning inspection of said article to be scanned is effectuated by means of relative movement between an article to be scanned and the first automated guided vehicle. Such movable inspection system based on an automated guided vehicle is capable of making full use of an existing automated guided vehicle and its control system to make a movement path of the inspection system more flexible, and capable of effectuating centralized control and management of the inspection system, so that it can improve inspection efficiency, and save labor cost.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 5, 2020
    Assignee: Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Yu Hu, Xuejing Yang, Qiangqiang Wang, Long Du, Wei Li
  • Publication number: 20200055355
    Abstract: The disclosure relates to a traction device and a traction method. The traction device includes: a support chassis; a swing arm, one end of the swing arm is rotatably connected to the support chassis by a rotating shaft such that the swing arm can be switched in a retracted state and a deployed state, wherein the swing arm in the deployed state is adapted to drive the wheel of the vehicle to rotate and tow the vehicle; a driving mechanism, connected to the swing arm, wherein the driving mechanism is capable of driving the swing arm to horizontally rotate around the rotating shaft to switch the swing arm between the retracted state and the deployed state; and a rolling assembly, disposed on a side of the support chassis and being capable of preventing the wheel from contacting with the side of the support chassis when the vehicle is towed.
    Type: Application
    Filed: February 13, 2018
    Publication date: February 20, 2020
    Applicant: Nuctech Company Limited
    Inventors: Shangmin Sun, Hongqi Li, Yuan He, Quanwei Song, Qiangqiang Wang, Weifeng Yu
  • Patent number: 10497144
    Abstract: The present disclosure discloses a method and system for identifying a part of a vehicle and a vehicle inspection system. The method includes: acquiring a vehicle body image sequence of a vehicle to be identified; reconstructing the vehicle body by using a first vehicle body reconstruction model generated through a deep learning algorithm and on the basis of the vehicle body image sequence, so as to acquire a vehicle body reconstruction image of the vehicle to be identified; and identifying a boundary identifier of the vehicle to be identified on the basis of the vehicle body reconstruction image of the vehicle to be identified.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 3, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Yanwei Xu, Zheng Hu, Yongming Wang, Chuan Gao, Weifeng Yu, Qiang Li, Yuan Ma, Jianping Gu, Yu Hu, Shangmin Sun
  • Patent number: 10481294
    Abstract: The present invention relates to an inspection system. The inspection system comprises a base, a boom lifting mechanism provided on the base, and a boom mounting a detector. The boom lifting mechanism includes at least two support arms arranged sequentially. The at least two support arms include a base arm and a distal arm. The base arm is connected to the base, the boom is mounted on the distal arm, the inspection system has a scanning state and a transporting state, and two adjacent support arms of the at least two support arms are rotatably connected so that the height of the boom in the scanning state is different from that in the transporting state. The boom lifting mechanism of the inspection system of the present invention lifts the boom by rotatably connecting two adjacent support arms, and presents less required driving force compared to the lifting of the boom directly in a vertical direction in the prior art.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: November 19, 2019
    Inventors: Xuping Fan, Quanwei Song, Zhiqiang Chen, Shangmin Sun
  • Patent number: 10365397
    Abstract: The present application relates to a container inspection system, comprising a radiation source (31), a radiation detection apparatus and a quay crane for hoisting a container onto an automated guided vehicle, said radiation source (31) and said radiation detection apparatus being provided on said quay crane, for performing a scanning inspection on said container loaded on said vehicle. The present application, which does not need a special allocation of approach of the radiation source and the radiation detection apparatus, conveniently effectuates scanning inspection of a container, and improving the inspection efficiency.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: July 30, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Yu Hu, Yuan Ma, Qiangqiang Wang, Long Du, Wei Li
  • Patent number: 10285252
    Abstract: Provided is a dual-energy ray scanning system, which includes a ray source for alternately emitting a high energy ray and a low energy ray; a filter includes a low energy filtering element and a low energy transmitting element; a control device for synchronously controlling the ray source and the filter, and the low energy filtering element includes a plurality of filter sheets, the low energy transmitting element comprises a plurality of transmission sheets, the filter sheets and the transmission sheets are arranged alternately and surround the ray source to form a cavity, and the ray source is located on a central axis of the cavity.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 7, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Yu Hu, Shangmin Sun, Juan Zheng, Bicheng Liu
  • Patent number: 10274636
    Abstract: The present invention may perform fluoroscopic imaging simultaneously on the subjects in at least two channels using only one electron accelerator, at least two sets of X-ray beams and at least two sets of detector systems, through the design of the electron accelerator, the shielding and collimating device, the at least two detector arrays and various mechanical composite structures. The X-ray fluoroscopic imaging system according to the present invention may be designed in specific forms of a stationary type, an assembled type, a track mobile type or vehicular mobile type, etc., and has advantages such as simple structure, low cost, strong function, good image quality and the like.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: April 30, 2019
    Assignees: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITY
    Inventors: Huaping Tang, Zhiqiang Chen, Chuanxiang Tang, Huaibi Chen, Yuanjing Li, Ziran Zhao, Yaohong Liu, Shangmin Sun, Xinshui Yan, Zhanfeng Qin
  • Patent number: 10169674
    Abstract: A vehicle type recognition method based on a laser scanner is provided, the method comprising steps of: detecting that a vehicle to be checked has entered into a recognition area; causing a laser scanner to move relative to the vehicle to be checked; scanning the vehicle to be checked using the laser scanner on a basis of columns, and storing and splicing data of each column obtained by scanning to form a three-dimensional image of the vehicle to be checked, wherein a lateral width value is specified for each single column of data; specifying a height difference threshold; and determining a height difference between the height at the lowest position of the vehicle to be checked in data of column N and the height at the lowest position of the vehicle to be checked in data of specified number of columns preceding and/or succeeding to the column N.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 1, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Shangmin Sun, Yanwei Xu, Qiang Li, Weifeng Yu, Yu Hu
  • Patent number: 10156528
    Abstract: This invention relates to a movable divided inspection system and method, wherein the scanning inspection system comprises a first radiation source, a first detection means, a first automated guided vehicle and a second automated guided vehicle. The first radiation source is mounted on the first automated guided vehicle. The first detection means is mounted on the second automated guided vehicle. The first automated guided vehicle and the second automated guided vehicle are able to drive the first radiation source and the first detection means to a preset scan inspection position, so as to form a scanning passage for passage of an article to be scanned between the first and second automated guided vehicle, such that scanning inspection of said article to be scanned is realized by relative movement of said article to be scanned with reference to said first automated guided vehicle and said second automated guided vehicle.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: December 18, 2018
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Shangmin Sun, Yu Hu, Yuan Ma, Qiangqiang Wang, Long Du, Wei Li
  • Patent number: 10151712
    Abstract: The present disclosure provides a vehicle-carried inspection system, including a radiation source and a detector, the radiation source and the detector being arranged to form an inspection passage. The inspection system further includes a controller configured to control the radiation source so that a first dose of radiation which is safe to a driver is radiated from the radiation source when the driver's cab of the inspected vehicle passes through a ray beam, and control the radiation source so that the dose of radiation of the radiation source becomes a working dose of radiation larger than the first dose of radiation when the other subsequent portions of the inspected vehicle pass through the ray beam.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: December 11, 2018
    Assignees: Tsunghua University, Nuctech Company Limited
    Inventors: Kejun Kang, Xuejing Yang, Shangmin Sun, Yu Hu, Jingyu Gu, Weifeng Yu, Ke Li, Lei Liu, Youai Yu