Patents by Inventor Haotian Wang

Haotian 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).

  • Patent number: 11555700
    Abstract: The present application relates to tunnel monitoring and measuring, more particularly, to a quick fixing device for measuring a tunnel peripheral convergence and an application method thereof. A right-angle steel sheet includes a first steel sheet and a second steel sheet which are vertically fixed with each other. The fastener vertically penetrates the first steel sheet, and an explosive powder loading portion on a rear end of the fastener is arranged at a side of the second steel sheet. The reinforcing steel sheet is respectively connected to the first steel sheet and the second steel sheet as a reinforcing bar. A through hole is provided on the reinforcing spacer, through which the reinforcing spacer is sleeved on the fastener. The reinforcing spacer is arranged between the explosive powder loading portion on the rear end of the fastener and the first steel sheet.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: January 17, 2023
    Assignee: CHANG'AN UNIVERSITY
    Inventors: Yaqiong Wang, Rui Ren, Jie Li, Yiwei Cui, Zhifeng Wang, Fuxiang Chen, Longlong Chen, Haotian Guo
  • Publication number: 20220405633
    Abstract: A method for multi-time scale reactive voltage control based on reinforcement learning in a power distribution network is provided, which relates to the field of power system operation and control. The method includes: constituting an optimization model for multi-time scale reactive voltage control in a power distribution network based on a reactive voltage control object of a slow discrete device and a reactive voltage control object of a fast continuous device in the power distribution network; constructing a hierarchical interaction training framework based on a two-layer Markov decision process based on the model; setting a slow agent for the slow discrete device and setting a fast agent for the fast continuous device; and deciding action values of the controlled devices by each agent based on measurement information inputted, so as to realize the multi-time scale reactive voltage control while the slow agent and the fast agent perform continuous online learning.
    Type: Application
    Filed: July 30, 2021
    Publication date: December 22, 2022
    Inventors: Wenchuan WU, Haotian LIU, Hongbin SUN, Bin WANG, Qinglai GUO
  • Publication number: 20220390340
    Abstract: A loading system for a Hopkinson pressure bar test under water-gas-temperature multi-field coupling action includes: a sample sealed cabin which includes sealing flanges, Y-shaped and high-temperature resistant sealing rings, and a sealed cabin body; a gas pressure loading device which includes a high-pressure gas tank, a pressure regulating valve, a second barometer, a second high-pressure valve and a first three-way valve connected in sequence; a water pressure loading device which includes an electric pressure test water pump, a water pressure gauge, an accumulator and a one-way valve connected in sequence; a temperature loading device which includes thermocouple heating rods, a temperature display and a thermocouple temperature control circuit board connected in sequence; and a dynamic and static combined loading device which includes an axial pressure loading device, an impact loading device and a Hopkinson pressure bar member.
    Type: Application
    Filed: June 8, 2022
    Publication date: December 8, 2022
    Applicant: Taiyuan University of Technology
    Inventors: Guorui FENG, Kai WANG, Jinwen BAI, Jun GUO, Boqiang CUI, Xudong SHI, Haotian WU, Xinyu YANG, Cheng SONG
  • Publication number: 20220392226
    Abstract: A system for proctoring online exams includes a client-side computing system and a visual analytics system. The client-side computing system includes a camera configured to obtain video data corresponding to a user while taking an exam and one or more input devices configured to obtain interaction data, wherein the interaction data includes mouse movements of the user while taking the exam. The visual analytics system is configured to obtain the video data and the interaction data from the client-side computing system, analyze the exam data to detect abnormal behavior by the user based at least in part on mouse movement data, and generate one or more visualizations of the analyzed exam data to be used in determining whether or not the user has cheated during the exam.
    Type: Application
    Filed: April 20, 2022
    Publication date: December 8, 2022
    Inventors: Haotian Li, Min Xu, Huan Wei, Huamin Qu, Yong Wang
  • Publication number: 20220367871
    Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive-electrode active substance layer, the positive-electrode active substance layer contains a pre-lithiation agent, and a molecular formula of the pre-lithiation agent is LixNiaCu1?a?bMbO2, where 1?x?2, 0<a<1, and 0?b <0.1, and M is selected from one or more of Zn, Sn, Mg, Fe, and Mn. The negative electrode includes a negative-electrode active substance layer including graphite and silicon-containing material. The electrolyte contains fluoroethylene carbonate (FEC). A weight percentage of the pre-lithiation agent in the positive-electrode active substance layer, a weight percentage of silicon content in the negative-electrode active substance layer, and a weight percentage of FEC in the electrolyte satisfy 0.2×WSi?WFEC?7.5%-0.6×WL.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventors: Xingbu CHEN, Xin SUN, Xiao CHEN, Zhenglun CHEN, Haotian XIE, Bangrun WANG, Geng LI
  • Publication number: 20220334662
    Abstract: The present disclosure provides a display device and a manufacturing method thereof. In an embodiment, the display device includes a display panel, a touchpad and a joint. The touchpad is located on a display side of the display panel and includes a main body area and a bonding area. The joint is arranged on a side of the display panel facing the touchpad and is configured to electrically connect the touchpad and a driving chip. A side of the bonding area facing the display panel is configured to be joined with the joint.
    Type: Application
    Filed: July 23, 2020
    Publication date: October 20, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaoxia Liu, Fei Li, Fuzheng Xie, Junhui Yang, Jiaxiang Zhang, Kang Wang, Haotian Yang
  • Patent number: 11469478
    Abstract: A connector includes a male connector, a female connector and a rotating clamping structure. The male connector includes a first housing with multiple channels, the female connector includes a second housing with at least one positioning slot. The rotating clamping structure includes a third housing, multiple first positioning pins, multiple stoppers and multiple second positioning pins. The rotating clamping structure can realize the locking or separation of the male connector and the female connector.
    Type: Grant
    Filed: May 17, 2020
    Date of Patent: October 11, 2022
    Assignee: HEFEI UNIVERSITY OF TECHNOLOGY
    Inventors: Zhanyong Hong, Chengxu Hao, Haotian Hong, Rui Wang, Shulin Zheng, Hua Zhai
  • Publication number: 20220320233
    Abstract: A display device includes a flexible display panel including a display part, a bonding part, and a substrate bending part connecting the display part and the bonding part, the bonding part being located on the back side of the display part, and a side of the bonding part away from the display part being the bonding side, the driving chip being arranged on the bonding side of the bonding part, and having a first side and a second side opposite in the first direction, where the first side is close to the substrate bending part, and the second side is distal to the substrate bending part, the first direction being perpendicular to the thickness direction; a main flexible circuit board, disposed on the second side of the driving chip and connected to the bonding side of the bonding part; a touch layer; and a control flexible circuit board.
    Type: Application
    Filed: August 27, 2020
    Publication date: October 6, 2022
    Inventors: Yiming WANG, Haotian YANG, Fuzheng XIE, Xiaoxia LIU, Kang WANG, Junhui YANG, Jiaxiang ZHANG, Zhenhua ZHANG, Renzhe XU
  • Publication number: 20220301462
    Abstract: A bracket for a flexible display module is provided. The flexible display module includes a flexible display panel and a transparent cover plate. The flexible display panel includes a display region, a binding region opposite to the display region and a bending region connecting the display region and the binding region. The transparent cover plate is fixed to the display region of the flexible display panel. The bracket includes a first body and a second body fixedly connected with each other. An inner surface of the first body is provided with an accommodating region for accommodating the bending region of the flexible display panel. The second body is fixedly and detachably connected to a back of the flexible display panel.
    Type: Application
    Filed: September 20, 2021
    Publication date: September 22, 2022
    Inventors: Danyang BI, Xiaoxia LIU, Xiaoliang FU, Haotian YANG, Kang WANG, Renzhe XU, Wei CHEN, Xiaodong HAO
  • Patent number: 11442420
    Abstract: A power grid reactive voltage control method and control system based on two-stage deep reinforcement learning, comprising steps of: building interactive training environment based on Markov decision process, according to a regional power grid simulation model and a reactive voltage optimization model; training a reactive voltage control model offline by using a SAC algorithm, in the interactive training environment based on Markov decision process; deploying the reactive voltage control model to a regional power grid online system; and acquiring operating state information of the regional power grid, updating the reactive voltage control model, and generating an optimal reactive voltage control policy. As compared with the existing power grid optimizing method based on reinforcement learning, the online control training according to the present disclosure has costs and safety hazards greatly reduced, and is more suitable for deployment in an actual power system.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 13, 2022
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Wenchuan Wu, Haotian Liu, Hongbin Sun, Bin Wang, Qinglai Guo, Tian Xia
  • Publication number: 20220283607
    Abstract: Disclosed are a foldable screen and a display device. The foldable screen includes: a flexible display panel and a plurality of elastic portions, wherein each of the elastic portions includes each of elastic support members and two connecting rods fixedly connected to each of the elastic support members; wherein the two connecting rods are respectively connected to two flat portions of the flexible display panel, and the elastic support members are configured to supply a support force to the foldable portion in the case that a display surface of the foldable portion of the flexible display panel is coplanar with those of the flat portions.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Inventors: Renzhe XU, Bin ZHANG, Haotian YANG, Yiming WANG, Wei GONG, Jingyu PIAO, Xiaodong HAO, Danyang BI, Kang WANG, Inho PARK, Xiaoliang FU, Yuanyuan CHAI, Seungyong OH
  • Publication number: 20220278241
    Abstract: A tuning method for active metamaterials using IGZO Schottky diodes, wherein the IGZO Schottky diode comprises a substrate, a Schottky electrode, amorphous IGZO active layer, and an ohmic electrode from the bottom up. The method comprises steps as follows: (1) Metamaterials are used as the Schottky electrodes, and amorphous IGZO active layers are used to fully cover the capacitive gap structures in the metamaterials; such capacitive structures in the metamaterials are bonded to the amorphous IGZO active layers to form Shottky barriers; (2) The resulting IGZO Schottky diodes from step (1) are used to tune the metamaterials dynamically.
    Type: Application
    Filed: June 28, 2020
    Publication date: September 1, 2022
    Inventors: Yifei ZHANG, Aimin SONG, Haotian LING, Qingpu WANG
  • Publication number: 20220259746
    Abstract: A porous solid electrolyte electrosynthesis cell and corresponding related process for the direct synthesis of high purity liquid products wherein the electrosynthesis cell comprises a cathode compartment including a cathode electrode comprising a gas diffusion layer loaded with a selective reduction reaction electrocatalyst for specific reduction reactions. The electrosynthesis cell further includes an anode compartment including an anode electrode comprising a gas diffusion layer loaded with a catalyst for oxidation reactions; and a solid electrolyte compartment comprising a porous solid electrolyte; a cation exchange membrane; and an anion exchange membrane; (or two cation exchange membranes) wherein the solid electrolyte compartment is separated from the cathode and the anode by the anion exchange membrane and the cation exchange membrane (or by the two cation exchange membranes).
    Type: Application
    Filed: July 15, 2020
    Publication date: August 18, 2022
    Applicant: William Marsh Rice University
    Inventors: Haotian Wang, Chuan Xia
  • Publication number: 20220244139
    Abstract: A device and method for testing bearing capacity of single-row grouped pillars in a horizontal goaf under biaxial loading is disclosed. Four fixed rings are arranged on testing machine base, and have stands installed therein respectively, bottom ends of the stands are connected with the base, top ends are connected with transverse frame, sliding rails are arranged on two sides of the base; the vertical force loading devices are arranged at a lower part of transverse frame and the horizontal force loading devices are arranged at inner sides of side frame. Simultaneous loading on multiple coal samples, rock samples, filling body samples, concrete samples, coal-filling samples and/or rock-filling samples can be achieved, the overall bearing capacity of a single-row group pillar system in the horizontal goaf under the biaxial compression condition can be obtained, and the mutual influence relation between grouped pillar individuals in the horizontal goaf can be attained.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 4, 2022
    Inventors: Guorui Feng, Jinwen BAI, Xudong SHI, Boqiang CUI, Xinyu YANG, Kai WANG, Haotian WU
  • Patent number: 11404994
    Abstract: A frequency converter module includes a frequency control management module. An input port of the frequency conversion control management module is electrically connected to an input port of a power supply module. The power accuracy monitoring module includes an initial power measuring module, a power prediction correction module, and an actual power display storage module. An output port of the initial power measuring module is electrically connected to an input port of the power prediction correction module. An output port of the power prediction correction module is electrically connected to an input port of the actual power display storage module.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: August 2, 2022
    Assignee: CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., LTD
    Inventors: Zhihao Wei, Tao Ding, Hongming Wang, Changfeng Wang, Haotian Gong, Zhongxian Gao, Zhenhua Sun, Huidong Lu, Xinran Li, Jiasheng Zhang
  • Patent number: 11374080
    Abstract: The present invention discloses a flexible display screen and a display device. The flexible display screen includes: a flexible display panel, a first flexible electromagnetic shielding layer and a bottom film disposed in that order on a side, opposite to a light-emitting side, of the flexible display panel; the organic electroluminescent flexible display panel has a bending area, and the bending area is provided with signal lines; the flexible display screen further includes: a second flexible electromagnetic shielding layer disposed on a light-emitting side of the flexible display panel and covering the signal lines, and a colloidal insulating layer covering the second flexible electromagnetic shielding layer; and the materials of the first flexible electromagnetic shielding layer and the second flexible electromagnetic shielding layer are both conductive materials with fluidity.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: June 28, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiaxiang Zhang, Kang Wang, Xiaoxia Liu, Junhui Yang, Fuzheng Xie, Haotian Yang, Bin Zhang
  • Patent number: 11203190
    Abstract: A breathable film includes a substrate, a membrane disposed on the substrate, and an adhesive interposed between the substrate and the membrane. The membrane includes a plurality of fibers of polyvinylidene fluoride. The breathable film has an air transmission rate equal to or greater than 4000 ml/min/cm2 under air pressure of 70 mbar.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 21, 2021
    Assignee: 4C Air, Inc.
    Inventors: Lei Liao, Mervin Zhao, Qiqi Wang, Wang Xiao, Haotian Wang
  • Publication number: 20210226178
    Abstract: An organic electroluminescence display panel, a manufacturing method thereof and a display device are provided. The manufacturing method includes: forming an organic electroluminescent display component on a base substrate; providing an encapsulation cover; forming a high-temperature resistant film on at least a partial region of a surface of the organic electroluminescent display component and/or a surface of the encapsulation cover with the at least a partial region corresponding to pixels at an outermost edge of the organic electroluminescent display component; forming a frit on the encapsulation cover or the base substrate to surround a region of the encapsulation cover or the base substrate corresponding to the pixels at the outermost edge of the organic electroluminescent display component; assembling the encapsulation cover with the organic electroluminescent display component, and sintering a region of the encapsulation cover corresponding to a region of the frit with laser.
    Type: Application
    Filed: April 2, 2018
    Publication date: July 22, 2021
    Inventor: Haotian WANG
  • Publication number: 20210178737
    Abstract: A breathable film includes a substrate, a membrane disposed on the substrate, and an adhesive interposed between the substrate and the membrane. The membrane includes a plurality of fibers of polyvinylidene fluoride. The breathable film has an air transmission rate equal to or greater than 4000 ml/min/cm2 under air pressure of 70 mbar.
    Type: Application
    Filed: December 17, 2019
    Publication date: June 17, 2021
    Inventors: Lei Liao, Mervin Zhao, Qiqi Wang, Wang Xiao, Haotian Wang
  • Patent number: 10893070
    Abstract: An online system maintains pages and accesses a graph of nodes representing the pages. Each node is labeled to indicate that a corresponding page is for a real-world entity, an imposter of the real-world entity, or a derived entity complying with or violating a policy. The online system retrieves machine-learning models, each of which is trained based on labels for a set of the nodes and features of corresponding pages. A first model predicts whether a page is for a derived entity based on features of the page. Responsive to predicting the page is not for a derived entity, a second model predicts whether the page is for a real-world entity or an imposter based on features of the page. Responsive to predicting the page is for a derived entity, a third model predicts whether the derived entity complies with or violates the policy based on features of the page.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 12, 2021
    Assignee: Facebook, Inc.
    Inventors: Haotian Wang, Komal Kapoor, Gaurav Singh Thakur