Patents Assigned to DALIAN UNIVERSITY
  • Patent number: 11878821
    Abstract: A vibration isolation/damping satellite mount of a chopped carbon fiber reinforced thermoplastic composite material mainly includes two parts, and the two parts are connected through bolts. Considering the limitation of the molding process, the mount configuration is further optimized, and the mount structure is prepared by using the injection molding process. Furthermore, the vibration isolation/damping satellite mount of the chopped carbon fiber reinforced thermoplastic composite material prepared in the present invention can be used for large loads and complex working conditions, and the connectivity, overall strength stability, vibration isolation performance and service life of the mount all meet the design requirements.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: January 23, 2024
    Assignee: Dalian University of Technology
    Inventors: Tong Li, Fei Niu, Hui Ye, Bo Wang
  • Patent number: 11875583
    Abstract: The present invention belongs to the technical field of 3D reconstruction in the field of computer vision, and provides a dataset generation method for self-supervised learning scene point cloud completion based on panoramas. Pairs of incomplete point cloud and target point cloud with RGB information and normal information can be generated by taking RGB panoramas, depth panoramas and normal panoramas in the same view as input for constructing a self-supervised learning dataset for training of the scene point cloud completion network. The key points of the present invention are occlusion prediction and equirectangular projection based on view conversion, and processing of the stripe problem and point-to-point occlusion problem during conversion. The method of the present invention includes simplification of the collection mode of the point cloud data in a real scene; occlusion prediction idea of view conversion; and design of view selection strategy.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: January 16, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xin Yang, Tong Li, Baocai Yin, Zhaoxuan Zhang, Boyan Wei, Zhenjun Du
  • Patent number: 11872556
    Abstract: Disclosed are a general-purpose fluorescent fluid photochemical microreactor and a manufacturing method therefor by means of 3D printing, belonging to the technical field of photochemical reactor research. By using a transparent photosensitive resin and the strong space building capacity of 3D printing, a photochemical microreactor having both a light-collecting channel and a reaction channel is prepared. By means of introducing a light-collecting substance in a fluid form into a light channel, not only can play the role of light collection and wavelength conversion, which solves the difficulty of traditional photochemical reactors of light source matching, but also the light-collecting substance can be flexibly changed so as to meet the requirements of different photochemical reactions in the reaction channel, which greatly expands the application range of the reactor.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: January 16, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Lijing Zhang, Shengyang Tao, Zhigang Zhu, Wenbo Yang
  • Patent number: 11860259
    Abstract: An optical-electronic integrated RF leakage interference cancellation system and method for continuous wave radars belongs to the technical filed of radars. The optical-electronic integrated RF leakage interference cancellation system cancels the RF leakage interference by integrating of the microwave photonic link and the cable link. The microwave photonic link implements the phase adjustment, time delay adjustment and amplitude adjustment of the microwave signal tapped from the continuous wave source in the transmitter and realizes the cancellation matching conditions of the out of phase, the matching delay time and the same amplitude with the leakage interference signal. It has the advantages of broad frequency band, large bandwidth, and high tuning resolution, which enables the effective suppression of the RF leakage interference and ensures the high transmit-to-receive isolation for continuous wave radars.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 2, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xiuyou Han, Shuanglin Fu, Xinxin Su, Zhenlin Wu, Yiying Gu, Mingshan Zhao
  • Patent number: 11859596
    Abstract: The present invention discloses an electric heating thermal management system for an oil and gas transportation pipeline based on renewable energy and CO2 energy storage. It transmits the feedback data value through a data collection device arranged in the pipeline to the early warning device by the control device. After analysis and processing, the early warning device can feed back the data value to the control device and the remote operation device in two modes. Different degrees of heating amount can be generated for the oil and gas transportation pipelines at different positions in different modes. Hierarchical and distributed management control for the oil and gas transportation pipelines can be targetedly conducted in unblocked, easily blocked and blocked positions of the oil and gas transportation pipeline. The present invention couples the renewable energy electricity supply device and the CO2 energy storage device.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: January 2, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Cong Chen, Yongchen Song, Xi Wang, Zherui Chen, Jingyue Sun, Yu Liu, Yi Zhang, Mingjun Yang, Jiafei Zhao, Weiguo Liu, Yan Qin, Zheng Ling, Lanlan Jiang, Lunxiang Zhang
  • Patent number: 11860187
    Abstract: This invention belongs to the technical field of cell mechanics and provides a modified method to fit cell elastic modulus based on Sneddon model. The process of the conical atomic force microscope probe compressing into the cell was simulated by ABAQUS. The simulation results are compared with the Sneddon model to get the error caused by Sneddon model. The fitting errors of Sneddon model under different circumstances were obtained by using the method of function fitting, so as to realize the modification of Sneddon model to fit cell elastic modulus. As a modified method to fit cell elastic modulus based on Sneddon model, it can be used to measure the elastic modulus of cells more accurately. The design process is convenient and fast. The design method is easy to master, and the process of use is convenient and simple.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: January 2, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Wei Zhang, Weihao Sun, Chengwei Wu, Jianli Ma
  • Patent number: 11858627
    Abstract: A design method of a high energy efficiency unmanned aerial vehicle (UAV) green data acquisition system belongs to the technical field of data acquisition and optimization for UAV uplink communication. Firstly, a system optimization objective is constructed; and in a uplink communication network of a single UAV and ground sensors, the UAV receives data periodically. Secondly, according to a constructed optimization problem, the optimization objective is maximization of EE({W},{t},{S}). Finally, an original problem is decomposed into two approximate concave-convex fractional sub-problem based on a block coordinate descent method and a successive convex approximation technique to obtain a suboptimal solution; an overall iterative algorithm is proposed: in each iteration, by solving the sub-problems, wake-up scheduling S, time slot t and UAV trajectory W are alternately optimized. The solution obtained in each iteration is used as the input of next iteration.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 2, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Tianhao Wang, Nan Zhao, Xiaowei Pang, Deyue Zou, Bingcai Chen
  • Patent number: 11840751
    Abstract: Boron-based amorphous alloys and a preparation method thereof is provided. The composition formula of the alloys is BaCobREcX1dX2eX3f, wherein RE is any one or more of La, Ce, Pr, Nd, Sm, Gd, Dy, Er and Y; X1 is any one or more of C, Si and Al; X2 is any one or two of Fe and Ni; X3 is any one or more of Zr, Nb, Mo, Hf, Ta and W; and a, b, c, d, e and f respectively represent atomic percent of each corresponding element in the formula, where: 45?a?55, 25?b?40, 10?c?20, 0?d?10, 45?a+d?55, 0?e?20, 25?b+e?40, 0?f?3, 10?c+f?20 and a+b+c+d+e+f=100. The preparation method of the boron-based amorphous alloy comprises: preparing master alloy ingots using an arc furnace or an induction melting furnace; and then obtaining amorphous ribbons with different thicknesses by a single copper roller melt-spinning equipment.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: December 12, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Wei Zhang, Yanhui Li, Leiqiang Lai
  • Patent number: 11837266
    Abstract: An enhanced TL-TCAM lookup-table hardware search engine includes a plurality of enhanced TL-TCAM cell circuits. There are m enhanced TL-TCAM cells circuits connected in parallel to form a sub-segment circuit. The word line WL, match line ML and ML_x of each enhanced TL-TCAM cell circuit in the sub-segment circuit are respectively short-connected together, the match line ML is connected to the drain electrode of an N-type transistor N15, ML_x is connected to the gate electrode of the N-type transistor N15, and the source electrode of the N-type transistor N15 is connected to ground, ML_x is connected to the drain electrode of an N-type transistor N14, the source electrode of the N-type transistor N14 is connected to ground, and the gate electrode of the N-type transistor N14 is connected to the signal line OneX_in-Sement_b, a plurality of sub-segment circuits are connected in parallel to form a word circuit.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: December 5, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventor: Jianwei Zhang
  • Patent number: 11827314
    Abstract: The present invention relates to a hybrid dynamically installed anchor with a folding shank and a control method to keep the verticality of the hybrid anchor during free fall in the seawater, which can be applied to the field of offshore engineering. The hybrid anchor comprises a folding-shank plate anchor, a ballast shaft, an extension rod, a plurality of rear fins, and a recovery hole from the front to the tail. The folding shank is not only useful in reducing the water and soil resistance during installation, but also beneficial in improving the directional stability of the hybrid anchor during free fall in the seawater. The re-used shaft can significantly increase the penetration depth of the folding-shank plate anchor and reduce the installation cost at the same time. The control method keeping the verticality of the hybrid anchor can improve the success rate during anchor installation.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: November 28, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Jun Liu, Congcong Han, Xu Wang
  • Patent number: 11828820
    Abstract: A high-temperature three-dimensional Hall sensor with a real-time working temperature monitoring function includes a buffer layer, an epitaxial layer, and a barrier layer sequentially grown on a substrate. A high-density two-dimensional electron gas is induced by polarization charges in a potential well at an interface of heterojunctions of the epitaxial layer. A lower surface of the substrate includes a vertical Hall sensor for sensing a magnetic field parallel to a surface of a device. An upper surface of the barrier layer includes a “cross” horizontal Hall sensor for sensing a magnetic field perpendicular to the surface of the device.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 28, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Huolin Huang, Hui Zhang
  • Patent number: 11830222
    Abstract: The present invention proposes a bi-level optimization-based infrared and visible light fusion method, adopts a pair of infrared camera and visible light camera to acquire images, and relates to the construction of a bi-level paradigm infrared and visible light image fusion algorithm, which is an infrared and visible light fusion algorithm using mathematical modeling. Binocular cameras and NVIDIA TX2 are used to construct a high-performance computing platform and to construct a high-performance solving algorithm to obtain a high-quality infrared and visible light fusion image. The system is easy to construct, and the input data can be acquired by using stereo binocular infrared and visible light cameras respectively; the program is simple and easy to implement; and the fusion image is divided into an image domain and a gradient domain for fusion by means of mathematical modeling according to different imaging principles of infrared and visible light cameras.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: November 28, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Risheng Liu, Xin Fan, Jinyuan Liu, Wei Zhong, Zhongxuan Luo
  • Patent number: 11821637
    Abstract: An energy-saving system using electric heat pump to recover flue gas waste heat for district heating uses flue gas waste heat recovery tower to absorb the sensible and latent heat in the high-temperature flue gas by direct contact heat and mass transfer. The circulating water is sprayed from the top and the flue gas flows upwards in the tower. The electric heat pump is indirectly connected with circulating water through the anti-corrosion and high-efficiency water-water plate heat exchanger. The return water of the heat-supply network enters the electric heat pump through the anti-corrosion and high-efficiency water-water plate heat exchanger and exchanges heat indirectly with the high-temperature circulating water. The electric heat pump uses the electric energy of the power plant as the driving power.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 21, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Haichao Wang, Xiaozhou Wu, Ruoyu Zhang, Lin Duanmu, Xiangli Li
  • Patent number: 11821806
    Abstract: The invention discloses a calculation method of ultimate moment resistance and moment-rotation relation for steel beam to concrete-filled steel tube column connections with bidirectional bolts, wherein the calculation method as follows: calculate ultimate moment resistance values of the connection for different failure modes, i.e. yielding of the endplate or T-stub in bending, failure of bolts in tension, failure of column in transverse compression, failure of panel zone in shear, and yielding of the steel beam in bending; the smallest one in the five ultimate moment resistance values is taken as the ultimate moment resistance of the connection; obtain the initial rotational stiffness of the connection by the test, simulation or theoretical calculation; then, the moment-rotation curve of the connection is obtained by substituting the initial rotational stiffness and the ultimate moment resistance into the proposed exponential model for the moment-rotation relation.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 21, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Yonghui An, Guojie Zhou, Jinping Ou
  • Patent number: 11819794
    Abstract: The present invention discloses a gas hydrate-based particulate/waste gas simultaneous removal system and method. R134a can be used to synthesize particulates/coking waste gases into gas hydrate, which can realize the simultaneous removal of particulates/coking waste gases with no pollution and low energy consumption. The system comprises a waste heat recovery device, a gas hydrate primary dust removal tower, a solid-liquid separation primary tower, a gas hydrate secondary dust removal tower, a solid-liquid separation secondary tower, a gas hydrate decomposition pool, a gas-solid separation tower and a low temperature fractionation device. The present invention can achieve the removal of harmful substances such as heavy metals and coking waste gases while removing particulates.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 21, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Yongchen Song, Man Li, Jiafei Zhao, Lei Yang, Zhongwang Sun, Lunxiang Zhang, Weiguo Liu, Yanghui Li, Yu Liu, Mingjun Yang, Yi Zhang, Dayong Wang, Zheng Ling, Lanlan Jiang, Cong Chen, Yuechao Zhao
  • Patent number: 11823363
    Abstract: The present invention provides an infrared and visible light fusion method, and belongs to the field of image processing and computer vision. The present invention adopts a pair of infrared binocular camera and visible light binocular camera to acquire images, relates to the construction of a fusion image pyramid and a significant vision enhancement algorithm, and is an infrared and visible light fusion algorithm using multi-scale transform. The present invention uses the binocular cameras and NVIDIATX2 to construct a high-performance computing platform and to construct a high-performance solving algorithm to obtain a high-quality infrared and visible light fusion image. The present invention constructs an image pyramid by designing a filtering template according to different imaging principles of infrared and visible light cameras, obtains image information at different scales, performs image super-resolution and significant enhancement, and finally achieves real-time performance through GPU acceleration.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: November 21, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Risheng Liu, Xin Fan, Jinyuan Liu, Wei Zhong, Zhongxuan Luo
  • Patent number: 11823057
    Abstract: An intelligent control method for a dynamic neural network-based variable cycle engine is provided. By adding a grey relation analysis method-based structure adjustment algorithm to the neural network training algorithm, the neural network structure is adjusted, a dynamic neural network controller is constructed, and thus the intelligent control of the variable cycle engine is realized. A dynamic neural network is trained through the grey relation analysis method-based network structure adjustment algorithm designed by the present invention, and an intelligent controller of the dynamic neural network-based variable cycle engine is constructed. Thus, the problem of coupling between nonlinear multiple variables caused by the increase of control variables of the variable cycle engine and the problem that the traditional control method relies too much on model accuracy are effectively solved.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 21, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Yanhua Ma, Xian Du, Ximing Sun, Weiguo Xia
  • Publication number: 20230365430
    Abstract: The present disclosure relates to the technical field of wastewater treatment, and provides a wastewater treatment method and apparatus based on hydrate-based water vapor adsorption. The apparatus includes a wastewater evaporation zone, a hydrate formation zone, a hydrate decomposition zone, and a data acquisition and control system. Rising water vapor and condensed water formed during evaporation of wastewater at normal temperature react with a hydrate former on a cooling wall surface to form a hydrate, continuous evaporation of the wastewater is promoted, the hydrate is scraped off to a collecting zone below by a scraper after being formed, and the hydrate is decomposed into fresh water, thereby realizing wastewater treatment. The present disclosure provides a method for treating complex wastewater containing a plurality of pollutants, where water vapor is consumed to form the hydrate to promote wastewater evaporation, and water obtained from the decomposition does not contain pollutants theoretically.
    Type: Application
    Filed: May 10, 2023
    Publication date: November 16, 2023
    Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Yongchen SONG, Huilian SUN, Lunxiang ZHANG, Jiafei ZHAO, Lingjie SUN, Zheng LING, Lei YANG, Yu LIU, Weiguo LIU, Yanghui LI, Xiang SUN, Lanlan JIANG
  • Publication number: 20230365431
    Abstract: The present disclosure provides an apparatus and a method for hydrate-based wastewater treatment and cold storage. The apparatus for hydrate-based wastewater treatment and cold storage includes a water chilling unit, a hydrate-based cold storage tank, an airflow disturbance device, a water layer positioning system, a spraying system, a suction filtration system, a heat exchange system, and a system monitoring device. The water chilling unit provides a secondary refrigerant at a low temperature. The secondary refrigerant flows through an evaporator coil in the hydrate-based cold storage tank for heat exchange. The airflow disturbance device induces hydrate nucleation. The water layer positioning system positions a contact surface between a water layer and a hydrate former after hydrate decomposition to facilitate drawing and separation of the treated upper water layer. The spraying system and the suction filtration system enhance the solid-liquid separation efficiency to improve the removal rate of pollutants.
    Type: Application
    Filed: May 15, 2023
    Publication date: November 16, 2023
    Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Lunxiang ZHANG, Xiaodong WU, Jiazhu BAO, Xiaohang XIE, Yongchen SONG, Jiafei ZHAO, Ruize CUI, Zisong FAN, Yunhui WANG, Qinjian YU, Jie WANG
  • Patent number: 11815474
    Abstract: A method for accurately characterizing a crystal three-dimensional orientation and a crystallographic orientation, including the following steps: acquiring a two-dimensional structure topography and an EBSD pattern in an area to-be-detected of a crystal material; using three-dimensional image analysis software to perform three-dimensional image synthesis through so as to obtain a three-dimensional topography; extracting a three-dimensional orientation of a characteristic topography in a coordinate system where the three-dimensional topography is located; and by converting the three-dimensional orientation into a crystallographic coordinate system obtained by EBSD, obtaining the crystallographic orientation of the characteristic topography.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: November 14, 2023
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Guoqing Chen, Yakun Wang, Xuesong Fu