Patents Assigned to Tsinghua University
  • Patent number: 11822326
    Abstract: A voter-based method of controlling a redundancy is provided, including acquiring a processing element array in a target hardware, wherein the processing element array includes a plurality of processing elements, selecting a plurality of groups of processing elements from the processing element array so as to generate a voter set, wherein a corresponding voter is generated for each group of the plurality of groups of processing elements, and the corresponding voter configured to perform a voting operation in a redundancy control, acquiring, in response to a message indicating a fault state of a detected voter, a target voter from the voter set so as to replace the detected voter, and re-performing the voting operation in the redundancy control by using the target voter. An electronic device and a storage medium are further provided, which are implemented based on the processing element array of the target hardware.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: November 21, 2023
    Assignees: Beijing Superstring Academy of Memory Technology, Tsinghua University
    Inventors: Xiangyu Kong, Jianfeng Zhu, Shouyi Yin, Shaojun Wei
  • Patent number: 11824194
    Abstract: The present invention discloses a method for rapidly preparing a Prussian blue analogue with a monoclinic crystal structure. The Prussian blue analogue with a monoclinic crystal structure has a chemical formula of NaxM[Fe(CN)6]y·zH2O, where M=Mn or Fe, 1.5<×<2, and 0.5<y<1. In this method, a mixture of sodium ferrocyanide and sodium chloride is adopted as a solution A, and a solution of manganese salt or iron salt in water is adopted as a solution B; the solutions A and B are continuously and rapidly mixed by a micromixer, and the precipitation reaction is conducted to obtain a nano-precursor slurry; and the nano-precursor slurry is aged at 80° C. to 160° C. for 3 min to 2 h to obtain a Prussian blue analogue with a monoclinic crystal structure that has a particle diameter of 200 nm to 2,000 nm.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: November 21, 2023
    Assignee: Tsinghua University
    Inventors: Yangcheng Lu, Yuming Xi
  • Patent number: 11816251
    Abstract: A method for managing data asset in a data bank is provided, including: acquiring a confirmation authentication request, wherein the confirmation authentication request includes a data asset to be confirmed, characteristic information of the data asset and characteristic information of a data provider uploaded by the data provider; performing a confirmation verification on the data asset through a confirmation blockchain based on the data asset, the characteristic information of the data asset and the characteristic information of the data provider in response to the confirmation authentication request; storing confirmation information corresponding to the data asset into the confirmation blockchain after it is determined that the data asset has passed the confirmation verification; inserting identification data for tracing a data owner into the data asset, obtaining and storing the data asset having the identification data.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: November 14, 2023
    Assignee: Tsinghua University
    Inventors: Jilong Wang, Qianli Zhang
  • Patent number: 11811337
    Abstract: A nanofiber actuator comprises a composite structure and a vanadium dioxide layer. The composite structure comprises a carbon nanotube wire and an aluminum oxide layer. The aluminum oxide layer is coated on a surface of the carbon nanotube wire, and the aluminum oxide layer and the carbon nanotube wire are located coaxially with each other. The vanadium dioxide layer is coated on a surface of the composite structure, and the vanadium dioxide layer and the composite structure are located non-coaxially with each other.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: November 7, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Guang Wang, He Ma, Xiang Jin, Hua Yuan, Yang Wei, Qun-Qing Li, Kai-Li Jiang, Shou-Shan Fan
  • Publication number: 20230351238
    Abstract: A thermalized state preparation method under a quantum system, a device and a storage medium relate to the field of quantum technologies. The method includes: acquiring a transformation process performed by a parameterized quantum circuit on an input quantum state of combined qubits to obtain n sets of measurement results (210); processing the second measurement results through a neural network to obtain weight parameters (220); computing a correlation function value of a mixed state of the target quantum system based on the weight parameters and the first measurement results (230); and computing an expected value of an objective function based on the correlation function value (240); adjusting variational parameters taking an expected value convergence of the objective function as a goal (250); and acquiring, under a condition that the expected value satisfies a convergence condition, the mixed state to approximately characterize a thermalized state of the target quantum system (260).
    Type: Application
    Filed: June 16, 2023
    Publication date: November 2, 2023
    Applicants: Tencent Technology (Shenzhen) Company Limited, Tsinghua University
    Inventors: Shixin ZHANG, Shengyu ZHANG, Hong YAO
  • Patent number: 11802064
    Abstract: A capacitive deionization desalination device is provided. The capacitive deionization desalination device includes a mesh spacer and two carbon nanotube composite electrodes. The mesh spacer is located between the two carbon nanotube composite electrodes. Each carbon nanotube composite electrode includes at least one carbon nanotube film structure and a composite carbon layer, and the carbon nanotube film structure includes at least two carbon nanotube films, and the composite carbon layer includes activated carbon and carbon black, and the composite carbon layer is located on the carbon nanotube film structure.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: October 31, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yang Wu, Shuai Liang, Xia Huang, Shou-Shan Fan
  • Patent number: 11803409
    Abstract: A mobile edge computing method and apparatus are provided. The method which is implemented by a mobile edge computing (MEC) management network element includes: receiving an MEC virtualization resource request sent by a control plane of a target radio access network (RAN), wherein the control plane belongs to the target RAN to which user equipment (UE) is handed over, and the MEC virtualization resource request includes an MEC computing resource requirement of the UE; creating, based on the MEC virtualization resource request, a new virtual machine (VM) on an MEC server for the UE, wherein the new VM is used on the target RAN side after the handover; and sending first information of the new VM to the control plane, wherein the first information includes an ID of the new VM. According to the application, the efficiency of usage of resources during a handover of UE is significantly improved.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: October 31, 2023
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Yong Li, Huan Yan, Yu Liu, Longyu Cao, Depeng Jin
  • Patent number: 11796796
    Abstract: The present application relates to an off-axis two-mirror infrared imaging system including a primary reflecting mirror and a secondary reflecting mirror. The primary reflecting mirror is located on the incident light path of an incident infrared light beam and reflects the incident infrared light beam to form a first reflected light beam. The secondary reflecting mirror is located on the reflection light path of the primary reflecting mirror, and is used to reflect the first reflected light beam to form a second reflected light beam. The second reflected light beam reaches an image surface after passing through the incident infrared light beam. The reflective surfaces of the primary reflecting mirror and the secondary reflecting mirror are freeform surfaces. The secondary reflecting mirror and the image plane are respectively located on both sides of the incident infrared light beam.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 24, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wei-Chen Wu, Jun Zhu, Guo-Fan Jin, Shou-Shan Fan
  • Patent number: 11798188
    Abstract: The present disclosure provides a method of remotely measuring a size of a pupil, including: acquiring an image of a to-be-measured person by using a detection device; acquiring an image of a pupil of the to-be-measured person from the image of the to-be-measured person; measuring a distance between the to-be-measured person and the detection device by using the detection device; and calculating an actual size of the pupil of the to-be-measured person based on the measured distance and the image of the pupil of the to-be-measured person. The present disclosure further provides an apparatus for remotely measuring a size of a pupil, an electronic device, and a non-transitory computer-readable medium.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: October 24, 2023
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Jianmin Li, Xianghao Wu, Bin Liu, Guocheng An
  • Publication number: 20230313156
    Abstract: Provided herein is a general method for producing large (more than 400 aa long) D-amino acids proteins, also referred to as mirror image protein (with respect to their naturally occurring L-amino acids counterparts), including RNA/DNA manipulating enzymes, and uses thereof in a wide range of research, practical data storage and medicinal applications.
    Type: Application
    Filed: May 13, 2021
    Publication date: October 5, 2023
    Applicant: Tsinghua University
    Inventors: Ting ZHU, Chuyao FAN, Qiang DENG, Yuan XU
  • Patent number: 11777512
    Abstract: The present application discloses an analog-to-digital converter capable of cancelling sampling noise, which comprises: a sampling circuit configured to acquire an analog input signal; a sampling noise cancelling circuit has an input end connected with an output end of the sampling circuit, and is configured to cancel noise generated by the sampling circuit; a comparator has an input end connected with an output end of the sampling noise cancelling circuit, and an output end connected with an input end of a logic circuit, and is configured to compare magnitudes of output signals of the sampling noise cancelling circuit and output a comparison result to the logic circuit; and the logic circuit has an output end connected with the sampling circuit, and is configured to output a digital output signal, and process the comparison result to obtain a control signal by which an output voltage of the sampling circuit is controlled.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: October 3, 2023
    Assignee: Tsinghua University
    Inventors: Nan Sun, Jiaxin Liu
  • Patent number: 11778902
    Abstract: The present disclosure relates to the field of display technologies, and particularly discloses an organic electroluminescent device. The organic electroluminescent device has a first electrode, a second electrode, and an organic functional layer. The organic functional layer comprises a light-emitting layer. The light-emitting layer comprises at least a host material and a guest material. The host material comprises an exciplex composed of a donor molecule and a receptor molecule, wherein the donor molecule and/or the receptor molecule contains a large steric hindrance substituent group X for increasing an inter-molecular distance between the donor molecule and the receptor molecule, which enables to enhance Foster energy transfer to the guest material molecule, improve device efficiency, inhibit Triplet-Polaron Annihilate Annihilation (TPA), and prolong the device lifetime.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 3, 2023
    Assignees: Kunshan Go-Visionox Opto-Electronics Co., Ltd., Tsinghua University
    Inventors: Lian Duan, Xiaozeng Song, Dongdong Zhang, Guomeng Li
  • Patent number: 11772973
    Abstract: A super-hydrophilic carbon nanotube composite film includes a carbon nanotube layer, a polydopamine layer and a silicon dioxide layer. The carbon nanotube layer includes a plurality of carbon nanotubes and defines two opposite surfaces. The polydopamine layer is on at least one surface of two opposite surfaces of the carbon nanotube layer, and the polydopamine layer includes a plurality of polydopamine nanoparticles. The silicon dioxide layer is on a surface of the polydopamine layer away from the carbon nanotube layer, and the silicon dioxide layer includes a plurality of amino-containing silica nanoparticles, and the plurality of amino-containing silica nanoparticles are grafted onto the surface of the polydopamine layer.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: October 3, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yang Wu, Shuai Liang, Xia Huang, Shou-Shan Fan
  • Patent number: 11775270
    Abstract: The embodiments of the present disclosure relate to the technical field of GeoComputation, and particularly relates to a method and an apparatus for parsing structured parameters of a GeoComputation language, a device and a storage medium, which aim to parse structured expressions in a DAS document. The method includes: reading GeoComputation task parameters in a DAS document; parsing a structured expression in the GeoComputation task parameters to obtain a task parameter containing a basic expression; and executing a corresponding GeoComputation task according to the task parameter containing the basic expression to obtain a calculation result.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: October 3, 2023
    Assignee: Tsinghua University
    Inventor: Wensheng Zhou
  • Patent number: 11775260
    Abstract: Embodiments of the present disclosure relate to the technical field of geocomputation, in particular to a method, an apparatus, a device for DAS-based custom function expansion and a storage medium, aiming at realizing that users may add custom functions and expand G-language custom keywords in DAS. The method includes: generating a corresponding target task script file according to a target geographic analysis task; obtaining an interface identification corresponding to the target task script file according to an interface identification setting rule of DAS; generating a corresponding interfacing script file according to the interface identification and the target task script file; and calling the interfacing script file in a calculation-process table of the DAS by a custom keyword, so as to obtain an analysis result of the target geographic analysis task.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: October 3, 2023
    Assignee: Tsinghua University
    Inventor: Wensheng Zhou
  • Patent number: 11768163
    Abstract: The present application discloses a CT system and a detection apparatus for the CT system. The detection apparatus includes: a high-energy detector assembly including a plurality of rows of high-energy detectors arranged along a predetermined trajectory; a low-energy detector assembly including a plurality of rows of low-energy detectors arranged at intervals along the predetermined trajectory, the low-energy detector assembly and the high-energy detector assembly being disposed in a stack; a number of rows of the low-energy detectors is smaller than a number or rows of the high-energy detectors; and each row of the low-energy detectors covers a row of high-energy detectors.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: September 26, 2023
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Li Zhang, Zhiqiang Chen, Qingping Huang, Yunda Sun, Xin Jin, Le Shen, Liang Li, Tiao Zhao
  • Patent number: 11770008
    Abstract: The embodiments of the present invention provide a control system and method for a medium-voltage photovoltaic distribution system. The medium-voltage photovoltaic distribution system includes N photovoltaic modules, N DC-DC converters, a DC-AC converter and a line-frequency transformer. Outputs of the N DC-DC converters are connected in parallel to a DC bus. The DC bus is connected to the DC-AC converter. The line-frequency transformer is configured to connect to a medium-voltage AC grid. The control system includes a bus voltage sampling circuit and N DC-DC converter control circuits corresponding to the N DC-DC converters respectively. Each DC-DC converter control circuit includes a bus voltage sampling circuit, a photovoltaic sampling circuit, a droop controller, a maximum power point tracking controller, an input voltage loop regulator and a pulse width modulation wave generating circuit.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 26, 2023
    Assignee: Tsinghua University
    Inventors: Jiangfeng Wang, Kai Sun, Haixu Shi
  • Publication number: 20230289617
    Abstract: A method and apparatus for learning graph representations for out-of-distribution generalization.
    Type: Application
    Filed: January 12, 2023
    Publication date: September 14, 2023
    Applicant: Tsinghua University
    Inventors: Wenwu ZHU, Xin WANG, Haoyang LI
  • Patent number: 11758797
    Abstract: A method of n-type doping a carbon nanotube includes the following steps: providing a single carbon nanotube; providing a film-like structure, wherein the film-like structure is a molybdenum disulfide film or a tungsten disulfide film; and converting at least one portion of the carbon nanotube from a p-type to an n-type by covering the carbon nanotube with the film-like structure.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: September 12, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Gao-Tian Lu, Yang Wei, Shou-Shan Fan, Yue-Gang Zhang
  • Patent number: 11747730
    Abstract: A method of making photolithography mask plate is provided. The method includes: providing a chrome layer on a substrate; depositing a carbon nanotube layer on the chrome layer to expose a part of a surface of the chrome layer; etching the chrome layer with the carbon nanotube layer as a mask to obtain a patterned chrome layer; and depositing a cover layer on the carbon nanotube layer.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: September 5, 2023
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Yuan-Hao Jin, Dong An, Shou-Shan Fan