Patents by Inventor Pengfei Gao

Pengfei Gao 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: 12373737
    Abstract: The present application provides a model gradient update method and device, for use in improving the accuracy of model training. A central server repeatedly executes a gradient update process until a stop condition is satisfied. One gradient update process comprises: receiving first gradients respectively sent by multiple nodes, the first gradients being obtained by each node using sample data to train a model to be trained of the node one or more times; obtaining a second gradient one the basis of the multiple first gradients and the probability of each node in the present gradient update process, the probability of each node in the present gradient update process being determined by an Actor-Critic network one the basis of the probability of each node in the last gradient update process; and sending the second gradient to the multiple nodes, respectively.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: July 29, 2025
    Assignee: CHINA UNIONPAY CO., LTD.
    Inventors: Dong Cheng, Xin Cheng, Yongkai Zhou, Pengfei Gao, Tiecheng Jiang
  • Patent number: 12353890
    Abstract: The present disclosure relates to a network operation and maintenance technology, and in particular to a system and method for generating network device driver files. One aspect of the present disclosure provides a system for generating network device driver files. The system includes: a network device capability model construction unit, configured to construct a capability model following a standard format on the basis of a capability set acquired from a network device; a driver function interface generation unit, configured to generate, based on the capability model, a driver function interface that can be called by an upper-layer application; and a control message generation unit, configured to receive configuration data from the upper-layer application via the generated driver function interface, and to generate, based on the configuration data, a control message for driving the network device.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: July 8, 2025
    Assignee: CHINA UNIONPAY CO., LTD.
    Inventors: Hang Yuan, Gaolei Zhang, Yongkai Zhou, Pengfei Gao
  • Patent number: 12321435
    Abstract: The disclosure pertains to a biometric recognition method, the method comprising: receiving biometric data; performing a random transformation of low-bit data in received biometric data; randomly selecting one or more filtering algorithms to pre-process randomly transformed biometric data; and performing identity verification based on pre-processed biometric data.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: June 3, 2025
    Assignee: CHINA UNIONPAY CO., LTD.
    Inventors: Zhijun Fei, Xuetao Qiu, Tao Tang, Wenji Xing, Pengfei Gao, Yanming Yang
  • Publication number: 20250165731
    Abstract: Implementations described herein relate to methods, systems, and computer-readable media to localize dynamic content. In some implementations, a computer-implemented method includes receiving visual content associated with a game from a first client locale, the visual content including text being represented at the first client locale by a first language, converting the text to generate translated text in at least a second language associated with a second client locale, and storing the translated text in a database in association with the visual content.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 22, 2025
    Applicant: Roblox Corporation
    Inventors: Kyle SPENCE, Peter John PHILLIPS, Craig COLLINS, Pengfei GAO, Xiaochen XU, Alex QUARTULLI, Andrew LI, Andrew Gilmore FRANCIS, Jovanni Antonio CUTIGNI, Shreya RAMAMURTHY
  • Publication number: 20250156881
    Abstract: The present disclosure relates to a merchant authenticity verification system and method.
    Type: Application
    Filed: August 19, 2022
    Publication date: May 15, 2025
    Inventors: Zhijun Fei, Yanming Yang, Xuetao Qiu, Pengfei Gao
  • Publication number: 20250148011
    Abstract: Provided are a federated graph clustering method based on distributed graph embedding, a device, and a readable storage medium.
    Type: Application
    Filed: September 7, 2022
    Publication date: May 8, 2025
    Inventors: Tao Tang, Ying Chen, Pengfei Gao, Yue Pang, Jianbin Zheng, Hongbao Liu, Jing Pan, Yongkai Zhou
  • Publication number: 20250116778
    Abstract: Disclosed is a method and a device for online measurement of a binocular laser system. The method may include: mounting a workpiece and a measuring block, such that lasers emitted from a first and a second laser instrument are projected onto two measuring surfaces of the measuring block, and projection positions of the lasers emitted from the first and second laser instruments are maintained unchanged; and performing at least one round of cyclic operations until a forming process of the workpiece ends. The cyclic operations may include: acquiring a plurality of pieces of point cloud data, and separating point cloud data to obtain a first, a second, a third, and a fourth point cloud data set; generating a rigid matching relationship; generating a coordinate system relationship; converting the fourth point cloud data set into a fifth point cloud data set; and generating an intermediate shape and size of the workpiece.
    Type: Application
    Filed: September 30, 2024
    Publication date: April 10, 2025
    Applicant: NORTHWESTERN POLYTECHNICAL UNIVERSITY
    Inventors: Pengfei GAO, Xinshun LI, Mei ZHAN, Hongwei LI, Xiaoguang FAN, Xinggang YAN
  • Publication number: 20250111026
    Abstract: The disclosure pertains to a biometric recognition method, the method comprising: receiving biometric data; performing a random transformation of low-bit data in received biometric data; randomly selecting one or more filtering algorithms to pre-process randomly transformed biometric data; and performing identity verification based on pre-processed biometric data.
    Type: Application
    Filed: August 19, 2022
    Publication date: April 3, 2025
    Inventors: Zhijun Fei, Xuetao Qiu, Tao Tang, Wenji Xing, Pengfei Gao, Yanming Yang
  • Publication number: 20250070160
    Abstract: Batteries that include a composite electrode, and a preparation method thereof, and an electrical device are disclosed. An example composite electrode includes a current collector, a first active layer, and a second active layer. The first active layer is disposed on the current collector. The second active layer is disposed on one side, oriented away from the current collector, of the first active layer. The first active layer includes a lithium manganese iron phosphate material. At least a part of a surface of the lithium manganese iron phosphate material is coated with a conductive coating material. A mass of the conductive coating material is 1% to 10% of a mass of the lithium manganese iron phosphate material. The conductivity of the lithium manganese iron phosphate material is improved by the conductive coating material.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Inventors: Youcai DING, Pengfei GAO, Yanpeng LI, Yizhen WU
  • Patent number: 12236207
    Abstract: Implementations described herein relate to methods, systems, and computer-readable media to localize dynamic content. In some implementations, a computer-implemented method includes receiving visual content associated with a game from a first client locale, the visual content including text being represented at the first client locale by a first language, converting the text to generate translated text in at least a second language associated with a second client locale, and storing the translated text in a database in association with the visual content.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: February 25, 2025
    Assignee: Roblox Corporation
    Inventors: Kyle Spence, Peter John Phillips, Craig Collins, Pengfei Gao, Xiaochen Xu, Alex Quartulli, Andrew Li, Andrew Gilmore Francis, Jovanni Antonio Cutigni, Shreya Ramamurthy
  • Publication number: 20250004787
    Abstract: The present disclosure relates to a network operation and maintenance technology, and in particular to a system and method for generating network device driver files. One aspect of the present disclosure provides a system for generating network device driver files. The system includes: a network device capability model construction unit, configured to construct a capability model following a standard format on the basis of a capability set acquired from a network device; a driver function interface generation unit, configured to generate, based on the capability model, a driver function interface that can be called by an upper-layer application; and a control message generation unit, configured to receive configuration data from the upper-layer application via the generated driver function interface, and to generate, based on the configuration data, a control message for driving the network device.
    Type: Application
    Filed: August 10, 2022
    Publication date: January 2, 2025
    Inventors: Hang Yuan, Gaolei Zhang, Yongkai Zhou, Pengfei Gao
  • Publication number: 20240378507
    Abstract: The present application provides a model gradient update method and device, for use in improving the accuracy of model training. A central server repeatedly executes a gradient update process until a stop condition is satisfied. One gradient update process comprises: receiving first gradients respectively sent by multiple nodes, the first gradients being obtained by each node using sample data to train a model to be trained of the node one or more times; obtaining a second gradient one the basis of the multiple first gradients and the probability of each node in the present gradient update process, the probability of each node in the present gradient update process being determined by an Actor-Critic network one the basis of the probability of each node in the last gradient update process; and sending the second gradient to the multiple nodes, respectively.
    Type: Application
    Filed: August 15, 2022
    Publication date: November 14, 2024
    Applicant: CHINA UNIONPAY CO., LTD.
    Inventors: Dong CHENG, Xin CHENG, Yongkai ZHOU, Pengfei GAO, Tiecheng JIANG
  • Publication number: 20240323023
    Abstract: A method for sample alignment is applied to a first participant system, where a first trusted execution environment is deployed at the first participant system. The method includes, in the first trusted execution environment, obtaining at least one first sample identifier of the first participant system; through the first trusted execution environment, obtaining at least one second sample identifier of the second participant system from the second trusted execution environment, where the second trusted execution environment is deployed at the second participant system; in the first trusted execution environment, determining the first initial intersection of the at least one first sample identifier and the at least one second sample identifier and performing the shuffle processing on all first target sample identifiers in the first initial intersection to obtain the first target intersection; and based on the first target intersection, determining the first sample alignment result.
    Type: Application
    Filed: July 20, 2022
    Publication date: September 26, 2024
    Inventors: Yongkai ZHOU, Yanming YANG, Hongbao LIU, Jianbin ZHENG, Yang YANG, Zhenyao QIU, Chen OUYANG, Ling JIN, Pengfei GAO, Dong CHENG, Fen ZOU, Hang YUAN, Qi WANG
  • Publication number: 20240308153
    Abstract: The present disclosure provides a staged shearing and forming method for a T-bar cylindrical member, comprising: controlling a shear working surface of a shear spinning wheel in contact with a surface of a cylindrical member blank; controlling a circumferential rotation of the cylindrical member blank; controlling a working surface of a flow spinning wheel to be in perpendicular contact with a surface of the unsaturated I-bar cylindrical member and controlling the cylindrical member blank to be maintained in a circumferential rotational state; controlling the flow spinning wheel to thin one side of the unsaturated I-bar cylindrical member; controlling a fractal working surface of a fractal spinning wheel in contact with a top of the saturated I-bar structure; controlling a working surface of a flat spinning wheel to be in perpendicular contact with a surface of the Y-bar cylindrical member.
    Type: Application
    Filed: May 14, 2024
    Publication date: September 19, 2024
    Applicant: NORTHWESTERN POLYTECHNICAL UNIVERSITY
    Inventors: Mei ZHAN, Danni BAI, Xiaoguang FAN, Pengfei GAO, Fei MA
  • Patent number: 12096082
    Abstract: In some embodiments, a method determines a reward metric based on feedback for an instance of content. A delivery status for a delivery constraint of the instance of content is applied to the reward metric to generate a constrained reward metric. The method uses the constrained reward metric to train a model. The model is used to select from a plurality of instances of content. One of the plurality of instances of content is selected for delivery using the model.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: September 17, 2024
    Assignee: HULU, LLC
    Inventors: Pengfei Gao, Dingming Wu, Chunyang Wei, Xiaohui Xie, Shulei Ma
  • Patent number: 12027857
    Abstract: A method for controlling peak saving by wind power grid. The method includes: S1: evaluating dispatchability of a cluster virtual wind power unit; S2: developing a method for calculating a dispatchability index of the cluster virtual wind power unit; S3: analyzing a source-load peak-shaving resource strategy; and S4: distributing a control strategy for tie-line peak shaving. The present disclosure has the following beneficial effects: In the present disclosure, real-time dispatchability of wind power participating in real-time power balance is first analyzed, specific evaluation indexes and calculation methods are provided, and calculation examples are given for verification. Then, an optimized real-time dispatch strategy is provided based on demand-side response resources, and DC and AC tie-lines are coordinated for operation. The peak shaving control method for emergent source-grid coordination when a sending-end power grid is faulty can ensure normal operation.
    Type: Grant
    Filed: July 10, 2021
    Date of Patent: July 2, 2024
    Assignees: STATE GRID GANSU ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID GANSU ELECTRIC POWER COMPANY, State Grid Qinghai Electric Power Research Institute, State Grid Qinghai Electric Power Company, State Grid Corporation of China
    Inventors: Jien Niu, Qiang Zhou, Yanqi Zhang, Junhong Duan, Long Zhao, Diangang Hu, Jianjun Wu, Jinping Zhang, Zhicheng Ma, Xushan Han, Jun Song, Qingquan Lv, Ruixiao Zhang, Yanhong Ma, Jianmei Zhang, Guodong Wu, Pengfei Gao, Chengjia Bao, Weicheng Shen, Jin Li, Kequan Liu, Xiaodong Pang
  • Patent number: 11949223
    Abstract: A direct-current power supply parallel-machine input reverse connection prevention circuit and a server. The circuit comprises a first switch tube, second switch tube (Q2). A first end of the first switch tube is used for being connected to a positive end of a first power supply and a second end of the first switch tube is connected to a positive input end of a first driving module. A first end of the second switch tube is used for being connected to a positive end of a second power supply and a second end of the second switch tube is connected to a positive input end of a second driving module.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: April 2, 2024
    Assignee: Inspur Suzhou Intelligent Technology Co., Ltd.
    Inventor: Pengfei Gao
  • Patent number: 11866413
    Abstract: Disclosed is a method for refining 5-fluorouracil, comprising the following steps: dissolving 5-fluorouracil in an organic solvent, preferably DMSO, heating and stirring until dissolved; naturally cooling the filtrate until a crystal is precipitated; filtering, washing a filter cake using a polar solvent, and draining and drying under reduced pressure. By using the new refining method, the content of impurities in 5-fluorouracil may be reduced to less than 0.01%, the product purity is more than 99.98%, and the refining yield is higher than 70%. In addition, the refining method of the present invention has a simple process, convenient operation, low production costs, high product purity, a stable process, and is suitable for industrial production.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 9, 2024
    Assignee: SHANGHAI XUDONG HAIPU PHARMACEUTICAL CO., LTD
    Inventors: Xiaolin Chen, Pengfei Gao, Yike Yang, Yi Liang, Yafeng Zhan
  • Patent number: 11862490
    Abstract: The present application discloses a diffusion furnace, including: a furnace tube structure including a furnace tube body and a furnace bottom, a bottom of the furnace tube body being connected to the furnace bottom to form a reaction chamber; and a carrying structure including a pedestal and a plurality of cassettes disposed on the pedestal, the pedestal being disposed on the furnace bottom. By disposing the plurality of the cassettes, a height of the furnace tube body can be decreased and a width of the furnace tube body can be increased, thus enlarging a space of equipment repair and maintenance, which is favorable for the repair and maintenance of the equipment.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: January 2, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Pengfei Gao
  • Publication number: 20230299585
    Abstract: Disclosed is a coordinated peak shaving optimization method for a plurality of power supplies based on a fluctuation characteristic of a renewable energy source, including the following steps: s1: determining a weekly generated electricity quantity of hydropower based on an available capacity and a storage capacity of an electricity quantity; s2: predicting a renewable energy power generation curve and a load curve of a system weekly; s3: determining a start point of peak shaving of the hydropower based on an external transmission curve, the renewable energy generation curve, and the load curve of the system and a generating capacity of the hydropower; s4: determining a weekly peak shaving demand of the system; and s5: establishing an optimization model with a maximum peak shaving demand. The present disclosure proposes a reasonable arrangement for peak shaving, so as to resolve an accommodation problem caused by large-scale access of a renewable energy source.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 21, 2023
    Inventors: Qiang Zhou, Yanhong Ma, Yanqi Zhang, Yue Wu, Ningbo Wang, Zhicheng Ma, Xushan Han, Guogang Jin, Long Zhao, Qingquan Lv, Dingmei Wang, Jinping Zhang, Pengfei Gao, Ruixiao Zhang, Jianmei Zhang, Jin Li, Zhenzhen Zhang, Lijuan Liu, Senlin Yang, Jun Kang, Rui Song