Patents by Inventor Jianguo Duan

Jianguo Duan 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: 11970357
    Abstract: The present application relates to the technical field of fiber winding control, and provides a tension control method of a multi-bundle winding equipment combined driving system, which solves the problem that the tension fluctuates greatly and cannot be output constantly in the fiber winding process.
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: April 30, 2024
    Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGY
    Inventors: Jianguo Liang, Qingxue Huang, Yujie Duan, Xinyu Wen, Lianyun Jiang, Chunjiang Zhao, Xiaodong Zhao, Yinhui Li, Haifeng Gao, Jianglin Liu
  • Publication number: 20240092038
    Abstract: A device for manufacturing a storage container by integrally winding multiple bundles of fibers in a double-layer spiral circumferential direction. The device includes a rotary drive unit and two radial slide drive units provided at two sides of the rotary drive unit, each of the two radial slide drive units is provided with several spiral winding guide wire tubes in a circumferential array and drives the spiral winding guide wire tubes to perform a radial telescopic movement, the rotary drive unit drives the spiral winding guide wire tubes on the two radial slide drive units to perform a rotation movement, the rotary drive unit is connected to the two radial slide drive units by means of brackets, and a rack plate is connected to one side of each of the two radial slide drive units away from the rotary drive unit.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 21, 2024
    Inventors: Jianguo LIANG, Qingxue HUANG, Yujie DUAN, Yinhui LI, Chunjiang ZHAO, Jun FENG, Liping BIAN, Haixia ZHANG, Yanchun ZHU, Yuqin XUE
  • Patent number: 11802776
    Abstract: A cross-regional travel recommendation method and apparatus, an electronic device and a storage medium are provided, which relates to the fields of intelligent transportation and deep learning. A specific implementation solution is: acquiring a travel request of a user, the travel request comprising a start point and an end point which are located in different regions; extracting user features according to the travel request of the user; and recommending at least one travel plan to the user according to the user features and a pre-trained cross-regional travel recommendation model. The technical solutions can make up for the deficiency of the existing technology, provide a cross-regional travel plan recommendation under a large-space scale and a multimodal environment through a pre-trained cross-regional travel recommendation model and user features extracted based on a travel request of a user, and can satisfy a cross-regional travel request of the user, and is highly practical.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: October 31, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Hao Liu, Panpan Zhang, Jianguo Duan, Hui Xiong
  • Patent number: 11740102
    Abstract: The present disclosure discloses a method, an apparatus, a device, and a storage medium for determining a point of interest area, and relates to the field of automatic driving. The implementation solution is that the method is applied to an electronic device, and includes: receiving a point of interest area determination request input by a first user, the point of interest area determination request including a target area coverage; and acquiring grid data of at least one block within the target area coverage in response to the point of interest area determination request; acquiring, for each block, positioning data of a second user within each preset time period and number of parent points of interest; clustering corresponding grid data according to the positioning data, the grid data and the number of the parent points of interest; determining at least one POI area in each block according to a clustering result.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: August 29, 2023
    Inventors: Xinjiang Lu, Yanyan Li, Jianguo Duan, Hui Xiong, Guanglei Du
  • Patent number: 11698261
    Abstract: Embodiments of the present disclosure provide a method, apparatus, computer device, and storage medium for determining a POI alias. The method may include: acquiring a to-be-processed target POI, and generating a candidate alias list corresponding to the target POI based on a query behavior-associated log matching the target POI; and screening out at least one target alias corresponding to the target POI in the candidate alias list, according to an association relationship between each candidate alias in the candidate alias list and the target POI.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: July 11, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Patent number: 11683656
    Abstract: A method, device, and medium for recommending a region of interest are provided. The method includes: acquiring access data, the access data including correlation information between any two regions in a region group, in which a correlation between any two regions in the region group is acquired based on a region pair formed by the any two regions in the region group where sample users are located and the number of access times corresponding to the region pair, and in which the region group is acquired based on division of map data, and the map data includes boundary information of an entity in a real world; determining a region where a first user is currently located; and recommending region information of the region of interest for the first user based on the access data and the region where the first user is currently located.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: June 20, 2023
    Assignee: BELTING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Xinjiang Lu, Jianguo Duan
  • Patent number: 11616226
    Abstract: The disclosure discloses a method for preparing a high-voltage cathode material by body modification and regeneration of a waste lithium cobaltate material.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: March 28, 2023
    Assignee: Kunming University of Science and Technology
    Inventors: Yingjie Zhang, Peng Dong, Qi Meng, Siyuan Zhou, Qingxiang Li, Shaoqiang Zhou, Jianguo Duan, Xue Li, Yin Liu, Duanyun Chen
  • Patent number: 11586992
    Abstract: Embodiments of the present disclosure provide a travel plan recommendation method, an apparatus, a device and a computer readable storage medium. In the method according to the embodiments of the present disclosure, the travel plan classification model is obtained by training with the comprehensive consideration of the diversity of users, the diversity of the travel environment in time and space and dynamics of the user's travel preference, and the travel feature vector is generated according to the user persona information and the travel mode distribution information of the user, the current travel environment feature information and the feature information of the starting point and the destination point of the current travel, the travel feature vector is inputted into the travel plan classification model to calculate the scores of the candidate travel plans, and the travel plan recommended to the user according to the scores of the candidate travel plans.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: February 21, 2023
    Inventors: Hao Liu, Panpan Zhang, Jianguo Duan, Hui Xiong
  • Patent number: 11580980
    Abstract: A method and apparatus for generating a user intention understanding satisfaction evaluation model, a method and apparatus for evaluating a user intention understanding satisfaction, an electronic device and a storage medium are provided, relating to intelligent voice recognition and knowledge graphs.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: February 14, 2023
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Patent number: 11512970
    Abstract: Embodiments of the present disclosure provide a method and apparatus for generating information. A method may include: determining, according to received positioning request information, visiting information for a target area of interest, the visiting information including location information of at least one visiting point; determining, according to the location information of the at least one visiting point, a visiting point distribution map including the at least one visiting point; performing grid division on the visiting point distribution map, to obtain a first grid map including at least one grid; and generating, based on the first grid map, outline information for the target area of interest.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: November 29, 2022
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Yanyan Li, Jingbo Zhou, Jianguo Duan, Hui Xiong
  • Patent number: 11442930
    Abstract: The present application discloses a method for data aggregation, the method includes: acquiring original data to be aggregated and dividing the original data into at least one first data set; determining whether each of the at least one first data set has a corresponding historical aggregation record; when there is at least one second data set with a historical aggregation record in the at least one first data set, acquiring a historical aggregation result corresponding to each second data set to obtain at least one first aggregation result; performing aggregation on each third data set without a historical aggregation record to obtain at least one second aggregation result; and determining a third aggregation result of the original data according to the at least one first aggregation result and the at least one second aggregation result, and determining a data tag of the original data according to the third aggregation result.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: September 13, 2022
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Patent number: 11418918
    Abstract: A method, an apparatus, a computer device and a storage medium for stay point recognition are disclosed. The method comprises: obtaining reference stay points corresponding to a to-be-recognized positioning point; selecting from the reference stay points a stay point in a predetermined relationship with the to-be-recognized positioning point; and determining whether the to-be-recognized positioning point is a stay point based on the stay point selected. The technical solution may improve the accuracy and recall rate of the stay point recognition.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: August 16, 2022
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Patent number: 11379741
    Abstract: A method, an apparatus and a storage medium for stay point recognition and prediction model training are proposed. The method may include: for a to-be-recognized positioning point, obtaining respectively features of N predetermined dimensions for the to-be-recognized positioning point, N being a positive integer greater than one; generating a feature vector for the to-be-recognized positioning point according to the features obtained; determining whether the to-be-recognized positioning point is a stay point based on the feature vector, by using a prediction model obtained by pre-training. The technical solution may be applied to improve the accuracy and a recall rate of the stay point recognition.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: July 5, 2022
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Patent number: 11232116
    Abstract: A method, computer device and storage medium for mining a point of interest competitive relationship are disclosed. The method includes: for a first POI to be processed, obtaining a set of second POIs serving as mining objects of the first POI; for each second POI in the set, forming a POI pair with the second POI and the first POI, determining a relationship evaluation index of the POI pair according to user's search operations on a map for POIs, and judging whether the two POIs in the POI pair are in a competitive relationship according to the relationship evaluation index. The technical solution of the present disclosure may be applied to improve the accuracy of the processing results.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 25, 2022
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Jingbo Zhou, Jianguo Duan, Airong Jiang, Hui Xiong
  • Publication number: 20210391568
    Abstract: The disclosure discloses a method for preparing a high-voltage cathode material by body modification and regeneration of a waste lithium cobaltate material.
    Type: Application
    Filed: April 16, 2021
    Publication date: December 16, 2021
    Inventors: Yingjie Zhang, Peng Dong, Qi Meng, Siyuan Zhou, Qingxiang Li, Shaoqiang Zhou, Jianguo Duan, Xue Li, Yin Liu, Duanyun Chen
  • Publication number: 20210389148
    Abstract: A cross-regional travel recommendation method and apparatus, an electronic device and a storage medium are provided, which relates to the fields of intelligent transportation and deep learning. A specific implementation solution is: acquiring a travel request of a user, the travel request comprising a start point and an end point which are located in different regions; extracting user features according to the travel request of the user; and recommending at least one travel plan to the user according to the user features and a pre-trained cross-regional travel recommendation model. The technical solutions can make up for the deficiency of the existing technology, provide a cross-regional travel plan recommendation under a large-space scale and a multimodal environment through a pre-trained cross-regional travel recommendation model and user features extracted based on a travel request of a user, and can satisfy a cross-regional travel request of the user, and is highly practical.
    Type: Application
    Filed: March 25, 2021
    Publication date: December 16, 2021
    Inventors: Hao Liu, Panpan Zhang, Jianguo Duan, Hui Xiong
  • Publication number: 20210383802
    Abstract: A method and apparatus for generating a user intention understanding satisfaction evaluation model, a method and apparatus for evaluating a user intention understanding satisfaction, an electronic device and a storage medium are provided, relating to intelligent voice recognition and knowledge graphs.
    Type: Application
    Filed: January 22, 2021
    Publication date: December 9, 2021
    Inventors: Yanyan Li, Jianguo Duan, Hui Xiong
  • Publication number: 20210254992
    Abstract: The present disclosure provides a method for optimizing a tag of a point of interest s(POI). The method includes: obtaining first portrait feature data of each POI in a plurality of POIs and second portrait feature data of each tag in a plurality of marked tags corresponding to the plurality of POIs; mapping the first portrait feature data of each POI and the second portrait feature data of each tag to a metric space to obtain a first feature vector of each POI and a second feature vector of each tag; and optimizing at least one marked tag corresponding to a target POI based on a vector similarity between a first feature vector of the target POI and a second feature vector of at least one tag. The present disclosure provides an apparatus for optimizing a tag of a POI, an electronic device and a computer readable medium.
    Type: Application
    Filed: September 29, 2020
    Publication date: August 19, 2021
    Inventors: Jingbo ZHOU, Renjun HU, Airong JIANG, Jianguo DUAN, Hui XIONG
  • Publication number: 20210211832
    Abstract: A method, device, and medium for recommending a region of interest are provided. The method includes: acquiring access data, the access data including correlation information between any two regions in a region group, in which a correlation between any two regions in the region group is acquired based on a region pair formed by the any two regions in the region group where sample users are located and the number of access times corresponding to the region pair, and in which the region group is acquired based on division of map data, and the map data includes boundary information of an entity in a real world; determining a region where a first user is currently located; and recommending region information of the region of interest for the first user based on the access data and the region where the first user is currently located.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Xinjiang Lu, Jianguo Duan
  • Publication number: 20210209160
    Abstract: A method and an apparatus for identifying map region words are disclosed. The method includes: obtaining points of interest POI data in the map; determining at least one text word in the POI data as a target word, and performing clustering processing according to location information of some pieces of the POI data to which the target word belongs; and identifying whether the target word is a map region word according to the clustering result of the location information.
    Type: Application
    Filed: March 24, 2021
    Publication date: July 8, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Jianguo Duan