Patents by Inventor Xiaofei Li

Xiaofei 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).

  • Patent number: 11975621
    Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: May 7, 2024
    Inventors: Xiaorui Wu, Yue Sun, Xiaofei Li, Jing Xiao, Shaonan Chen, Yue Zuo, Yuhong Mo, Ning Wu, Wenlan Gong, Shuai Han, Weidong Chen, Min Guo, Xiaoxuan Guo, Chunsen Tang
  • Patent number: 11969846
    Abstract: The present invention proposes an in-situ freezing machining method for an integrated thin-walled array structure. In the method, the area among cups is cut off first; then, the outer walls of a cup array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cup array is carried out. Then, hoisting and turning over are carried out, and the area among cavities is cut off; then, the outer walls of a cavity array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cavity array is carried out. The method realizes in-situ freezing clamping of workpieces, avoids error accumulation caused by repeated installation of a fixture, and can refrigerate efficiently, suppress ambient and cutting thermal interference, and ensure the stability of freezing fixture.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 30, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Haibo Liu, Chengxin Wang, Yongqing Wang, Xu Li, Kuo Liu, Xiaofei Ma, Dongming Guo
  • Patent number: 11965037
    Abstract: Provided is an anti-HER3 humanized monoclonal antibody. The antibody binds HER3 antigen, has high affinity and biological activity and low immunogenicity, and is stable in structure. The antibody can be used for preparing drugs for preventing or treating HER3-related diseases.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: April 23, 2024
    Assignee: SHANGHAI INSTITUTE OF BIOLOGICAL PRODUCTS CO., LTD.
    Inventors: Aidong Qu, Hongyuan Liang, Fanhong Xu, Aoxiang Li, Lina Wu, Jingye Zhu, Jianhua Qiu, Jin Lu, Lin Zhang, Xin Zhao, Xiaofei Song
  • Publication number: 20240127186
    Abstract: An interaction method and apparatus and an electronic device. The method comprises: displaying a first application interface, wherein the first application interface comprises an interface of a first application; and creating a second application account in the first application interface, wherein the second application account is used for logging in a second application. Therefore, a new interaction mode is provided.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Xiaoping ZHANG, Yunsheng HAO, Jialu WANG, Yi WEI, Pengzhan XU, Guichao REN, Boyu ZHOU, Zitian GUO, Yuxiang LI, Jieli LIANG, Xiaofei GAO, Daozhi LIN, Hong ZOU, Wentao LIU, Zheng CHEN, Shanshan LING
  • Patent number: 11961424
    Abstract: A display panel includes a base substrate and a flexible substrate layer. The base substrate includes a flat portion and a curved portion extending from the flat portion and curved towards a side of the base substrate facing away a display surface of the display panel. The flexible substrate layer includes a first portion on a side of the base substrate facing the display surface and a second portion on a side of the base substrate facing away from the display surface. The first portion includes a pixel circuit and the second portion includes a signal line electrically connected to the pixel circuit. The display panel further includes a support structure including a support surface facing away from the display surface, the second portion is coupled to the support surface, and a plane of the support surface intersects a plane of the flat portion of the base substrate.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Biao Gao, Zhao Li, Xiaofei Luo
  • Publication number: 20240121004
    Abstract: A data transmission method includes receiving, by an optical line terminal (OLT) from an optical network unit (ONU), uplink burst data that includes a synchronization data block and a payload, where the synchronization data block includes first synchronization data, wherein the first synchronization data includes a first preamble and an ONU identifier, and a first bandwidth occupied by the first frequency distribution of the first synchronization data is narrower than a second bandwidth occupied by the second frequency distribution of the payload, and obtaining, by the OLT from the first synchronization data, the ONU identifier.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Xuming Wu, Shengping Li, Lei Zhou, Xiaofei Zeng
  • Publication number: 20240100972
    Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 28, 2024
    Applicants: ELECTRIC POWER SCIENCE RESEARCH INSTITUTE OF GUANGXI POWER GRID CO., LTD., CHONGQING UNIVERSITY
    Inventors: Xiaorui Wu, Yue Sun, Xiaofei Li, Jing Xiao, Shaonan Chen, Yue Zuo, Yuhong Mo, Ning Wu, Wenlan Gong, Shuai Han, Weidong Chen, Min Guo, Xiaoxuan Guo, Chunsen Tang
  • Publication number: 20240075568
    Abstract: The present invention proposes an in-situ freezing machining method for an integrated thin-walled array structure. In the method, the area among cups is cut off first; then, the outer walls of a cup array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cup array is carried out. Then, hoisting and turning over are carried out, and the area among cavities is cut off; then, the outer walls of a cavity array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cavity array is carried out. The method realizes in-situ freezing clamping of workpieces, avoids error accumulation caused by repeated installation of a fixture, and can refrigerate efficiently, suppress ambient and cutting thermal interference, and ensure the stability of freezing fixture.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 7, 2024
    Inventors: Haibo LIU, Chengxin WANG, Yongqing WANG, Xu LI, Kuo LIU, Xiaofei MA, Dongming GUO
  • Patent number: 11917288
    Abstract: An image processing method includes detecting human skeleton key points of a character in an image, and for the to-be-processed image, generating a cropping region based on the human skeleton key points and a preset rule, and using the to-be-processed image selected by using the cropping region as an output object. The human skeleton key points and the preset rule are set based on photographing experience.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: February 27, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhihao Li, Xiaofei Wu, Songcen Xu, Jianzhuang Liu, Youliang Yan
  • Publication number: 20240057300
    Abstract: This application discloses a vehicle-mountable device comprising: a first temperature equalization board and a PCB are fastened inside a housing. The first temperature equalization board is close to a first inner wall of the housing. The PCB is close to a second inner wall of the housing. The first inner wall is opposite to the second inner wall. A first protrusion is disposed on a side that is of the first temperature equalization board and that is close to the PCB. A first heat pipe is disposed on a side that is of the first temperature equalization board and that is close to the first inner wall. A first heat emission component is disposed on a side that is of the PCB and that is close to the first temperature equalization board. A position of the first protrusion corresponds to a position of the first heat emission component.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yonghai Mao, Zhenming Hu, Jianqiang Yin, Xiaofei Li
  • Publication number: 20230410953
    Abstract: The present invention discloses a method for constructing and optimizing a molecular structure model of lignite, comprising: collecting and processing a lignite sample, analyzing a lignite experimental sample, calculating the number of carbon atoms in lignite and the number of carbon atoms in other parameters, obtaining the sizes of aromatic clusters, and determining the composition features and number of aromatic structural units in lignite; calculating the total number of carbon atoms and the number of aliphatic carbon atoms in lignite; obtaining the categories and number of oxygen-containing functional groups in lignite based on the contents of aromatic hydrocarbon, aliphatic hydrocarbon and various oxygen-containing functional groups, and designing the structural forms of nitrogen and sulfur; constructing a molecular structure model of lignite.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventors: Qingtao Zhang, Xueyang Xing, Yingying Hu, Gang Zhou, Bo Li, Jianjun Shen, Mingming Fu, Xiaofei Li, Lanjuan Xu, Shuai Du, Xinlei Jia, Zhenjiang Yin, Qianqian Zhang, Jie Zang, Qing Cao, Hui Ma, Lei Zhao
  • Patent number: 11841242
    Abstract: Disclosed are a preprocessing method and device for distance transformation. The method includes: acquiring a first grid map; calculating a second parameter of a vehicle model; calculating a precision of a second grid map according to the second parameter of the vehicle model and a precision of the first grid map; calculating the numbers of rows and columns of the second grid map according to information on the first grid map, the precision of the second grid map and the second parameter of the vehicle model; determining for each cell of the second grid map a state value according to the numbers of obstacle cells within said each cell; and determining in the first grid map at least one cell requiring no processing, according to the state value. Therefore, during the distance transformation, the processing speed for determining the distance value of each cell is increased.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: December 12, 2023
    Assignee: BEIJING IDRIVERPLUS TECHNOLOGY CO., LTD.
    Inventors: Runlin He, Bo Yan, Cheng Xu, Fang Zhang, Xiaofei Li, Dezhao Zhang, Xiao Wang, Shuhao Huo
  • Patent number: 11839065
    Abstract: This application discloses a vehicle-mounted device comprising: a first temperature equalization board and a PCB are fastened inside a housing. The first temperature equalization board is close to a first inner wall of the housing. The PCB is close to a second inner wall of the housing. The first inner wall is opposite to the second inner wall. A first protrusion is disposed on a side that is of the first temperature equalization board and that is close to the PCB. A first heat pipe is disposed on a side that is of the first temperature equalization board and that is close to the first inner wall. A first heat emission component is disposed on a side that is of the PCB and that is close to the first temperature equalization board. A position of the first protrusion corresponds to a position of the first heat emission component.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: December 5, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yonghai Mao, Zhenming Hu, Jianqiang Yin, Xiaofei Li
  • Patent number: 11726534
    Abstract: An in-vehicle computing apparatus in an intelligent vehicle and an intelligent vehicle, where the in-vehicle computing apparatus includes two stacked mainboards, and a radiator that is disposed between the two mainboards and configured to dissipate heat for the two mainboards, and a sealing plate connected to the radiator and disposed on a side that is of each mainboard and that is away from the radiator, where each sealing plate and the radiator seal a corresponding mainboard between the sealing plate and the radiator.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: August 15, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jianqiang Yin, Zhenming Hu, Yonghai Mao, Xiaofei Li
  • Publication number: 20230184612
    Abstract: Disclosed is a radial fault simulation test system for rotary mechanical equipment. The system comprises a simulation test bed, a data collection system and a control system, wherein the data collection system is used for collecting the operation state data of a rotating shaft; and the control system is used for receiving the data collected by the data collection system, analyzing and processing the data, and controlling the simulation test bed according to an analysis result. The system adopts a modular design, can simulate the operation state and the fault type of the rotary mechanical system under different rotation conditions and structural forms, can realize a simulation test of the rotary mechanical system under different fault states, and can preferably ensure the accuracy of the test performance of the simulation test.
    Type: Application
    Filed: September 30, 2021
    Publication date: June 15, 2023
    Inventors: Qiang DING, Enzhong WANG, Lei SU, Zhiguo FENG, Yinkang RAN, Yinhui CAI, Tao YANG, Xiaofei LI, Yu ZHANG, Changyun SHUAI, Hongtao SHEN
  • Patent number: 11598885
    Abstract: Disclosed is a method for adaptive identification of erroneous GPS observed value, including: acquiring positioning information of a vehicle from a GPS sensor, and extracting first observed value data; acquiring posture information and speed information of the vehicle to acquire dead reckoning trajectory data of the vehicle; eliminating the erroneous GPS observed values based on respective data on data status value, heading significant bit, the number of satellites used and horizontal dilution of precision in the first observed value data to obtain second observed value data; constructing pose graph data based on the second observed value data and acquiring processing result information; analyzing and optimizing the processing result information to eliminate the erroneous GPS observed values of which the cost function exceeds a preset cost function threshold to obtain third observed value data; and constructing a high-precision map based on the third observed value data and three-dimensional scene map data.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: March 7, 2023
    Assignee: Beijing IDRIVERPLUS Information Technology Co., Ltd.
    Inventors: Guoqi Peng, You Huang, Guolong Zhang, Fang Zhang, Xiaofei Li, Dezhao Zhang, Xiao Wang, Shuhao Huo
  • Patent number: 11518432
    Abstract: Disclosed is zero point compensation method and device for EPS. The method includes: acquiring a value of lateral distance when a vehicle travels along an ideal path and obtaining a smoothed lateral distance value, for each control cycle; calculating a longitudinal movement distance value of the vehicle for each control cycle; performing linear fitting to obtain a linear relationship between the longitudinal movement distance value and the smoothed lateral distance value; calculating a zero point compensation angle for the EPS based on a first parameter in the linear relationship and a preset steering wheel transmission ratio, and compensating a steering control angle; and determining that the zero point compensation angle passes verification when a minimum residual error is less than a preset acceptable deviation. In this way, the time required for calibration can be reduced, and the accuracy and effectiveness of the control algorithm can be improved.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 6, 2022
    Assignee: Beijing IDRIVERPLUS Information Technology Co., Ltd.
    Inventors: Shibin Zhu, Bo Yan, Cheng Xu, Fang Zhang, Xiaofei Li, Dezhao Zhang, Xiao Wang, Shuhao Huo
  • Publication number: 20220235846
    Abstract: One example vibration damping bracket provided in some embodiments of this application includes a fastening bracket, a first bracket body, a second bracket body, a first vibration damping component, and a second vibration damping component. The first bracket body is elastically connected to the fastening bracket by using the first vibration damping component. The second bracket body is elastically connected to the first bracket body by using the second vibration damping component. The first vibration damping component includes a metal elastic part configured to absorb vibration, and the second vibration damping component includes a rubber elastic part configured to absorb vibration.
    Type: Application
    Filed: April 8, 2022
    Publication date: July 28, 2022
    Inventors: Zhenming HU, Jianqiang YIN, Xiaofei LI, Rucheng ZHU
  • Patent number: 11387551
    Abstract: The present invention discloses a triple-resonant null frequency scanning antenna, which belongs to the technical fields of the Internet of Things and microwave. The triple-resonant null frequency scanning antenna comprises a circular sector magnetic dipole arranged on a medium substrate, and rectangular notches are symmetrically arranged on a sector patch of the circular sector magnetic dipole. The circular sector magnetic dipole is fixed on the medium substrate by a second shorting pin and third shorting pins, an flared angle of the circular sector magnetic dipole is a first central angle, and two third shorting pins are present and are symmetrically arranged on both sides of the angular bisector of the first central angle.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: July 12, 2022
    Assignee: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Wenjun Lv, Sijie Li, Yun Shao, Jianyuan Wang, Han Wu, Zhibin Zhao, Zhifang Wu, Xiaohui Li, Hongbo Zhu, Xiaofei Li
  • Patent number: D984004
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 18, 2023
    Inventor: Xiaofei Li