公开(公告)号：US20240302222A1

公开(公告)日：2024-09-12

申请号：US18598989

申请日：2024-03-07

Applicant: Qingdao University of Technology

Inventor： Zhigang SHI ,  Demin LIU ,  Yandong ZHANG ,  Chao CAI ,  Chuanbin FU ,  Wenjie LIU ,  Zhichao WANG

IPC: G01K13/02 ,  G01K17/20 ,  G01N25/18

CPC classification number: G01K13/026 ,  G01K17/20 ,  G01N25/18

Abstract: A method and a system for temperature measurement of fluid in a pipe, an electronic device and a storage medium are provided, and relates to the technical field of temperature measurement in a pipe. The method includes: determining fixed parameters of an object to be measured, a flow rate of the fluid, a noise variance and an observation variance; determining a predicted temperature at a current moment according to an optimal internal pipe temperature and a flow rate of the fluid at a previous moment; determining a covariance at the current moment according to the noise variance and an optimal covariance at the previous moment; determining a weight coefficient at the current moment; and determining an optimal internal pipe temperature at the current moment, thereby expanding the application range of temperature measurement in a pipe.

公开(公告)号：US20240135069A1

公开(公告)日：2024-04-25

申请号：US18172082

申请日：2023-02-21

Applicant: Qingdao University of Technology

Inventor： Yongjun ZHANG ,  Fei LIU ,  Huangshuai XIA ,  Bin GONG ,  Sijia LIU ,  Yingming WU ,  Qingsong WANG ,  Hongzhi LIU ,  Ruiquan LU ,  Mingdong YAN ,  Lijun ZHANG ,  Xiaoming GUAN ,  Pingan WANG ,  Shuguang LI ,  Dengfeng YANG ,  Weiguo ZHANG

IPC: G06F30/23 ,  G01V99/00

CPC classification number: G06F30/23 ,  G01V99/005 ,  G06F2111/10

Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.

公开(公告)号：US11946923B2

公开(公告)日：2024-04-02

申请号：US17610988

申请日：2021-02-04

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY

Inventor： Jiuwen Bao ,  Zihao Yu ,  Peng Zhang ,  Shuguo Li ,  Tiejun Zhao

IPC: G01N33/38 ,  E02D1/08

CPC classification number: G01N33/383 ,  E02D1/08

Abstract: A device and method for monitoring freezing-thawing damage of an underwater concrete member in situ. A main structure includes an upper link, concrete member, transverse sealed box, longitudinal sealed box, movable guide rod, probe launching box, multichannel data collector, frequency modulation transmitter, computer, auxiliary wheels, lower link, and a wireless temperature sensor. A process includes four steps: launching of a probe, collection of data, calculation of an elastic modulus, and evaluation of freezing-thawing damage. The device is simply structured, easy to operate, and can be reused, and provides power for launching the probe by non-contact force transmission by using high-strength magnets of the same pole, resolving the sealing problem, and calculates the elastic modulus of the concrete member by using acceleration data obtained by a probe, so as to obtain a loss amount of the elastic modulus, thereby performing real-time in-situ monitoring for freezing-thawing damage of an underwater concrete member.

公开(公告)号：US11890781B2

公开(公告)日：2024-02-06

申请号：US17280062

申请日：2020-02-06

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY ,  SHENYANG HONGYANG PRECISION CERAMICS CO., LTD.

Inventor： Changhe Li ,  Mingcun Shi ,  Xiangyang Ma ,  Yanbin Zhang ,  Min Yang ,  Xin Cui ,  Xiaohong Ma ,  Teng Gao ,  Xiaoming Wang ,  Yali Hou ,  Han Zhai ,  Zhen Wang ,  Bingheng Lu ,  Huajun Cao ,  Naiqing Zhang ,  Qidong Wu

IPC: B28B3/02 ,  B28B13/02 ,  B28B17/00

CPC classification number: B28B3/025 ,  B28B13/0235 ,  B28B17/0081

Abstract: An alumina ceramic integrated hot press molding machine and working method thereof, including a pressing and hot pressing device fixed accordingly on a rack, a stirring device inside the hot pressing device, and a hot pressing mold above the hot pressing device; the pressing device enables one path of high-pressure air to act on the mold, and enables the other path to enter the hot pressing device, so the slurry flows into a cavity of the mold; the stirring device stirs the slurry inside the device, so alumina blanks are more evenly distributed therein; and temperature detection components for detecting the temperature of internal oil and the slurry at a slurry outlet are inside the hot pressing device, and the power of an electric heating device is adjusted and controlled in real time according to the temperature detected by the components, to achieve the purpose of accurate temperature control.

公开(公告)号：US20230410012A1

公开(公告)日：2023-12-21

申请号：US18091663

申请日：2022-12-30

Applicant: Qingdao University of Technology

Inventor： Liming Zhang ,  Zhongyuan Liu ,  Yu Cong ,  Xiaoshan Wang ,  Zaiquan Wang ,  Fanxiu Chen ,  Jinfeng Cao

IPC: G06Q10/0635 ,  G06Q50/26 ,  G06F18/25 ,  G06N3/0442 ,  G06N3/08

CPC classification number: G06Q10/0635 ,  G06Q50/265 ,  G06F18/251 ,  G06N3/0442 ,  G06N3/08

Abstract: A project disaster warning method and system based on collaborative fusion of multi-physical field monitoring data is provided. The method includes: acquiring and preprocessing multi-sensor real-time monitoring data of potentially dangerous parts of a project structure; normalizing multi-physical field monitoring time sequence data to construct a normalized sample matrix; analyzing sensitivities of various physical field monitoring indicators to a safety state of a project by using a multivariate statistical method; guiding initialization training of a LSTM network according to the sensitivities, and obtaining output results of the LSTM network; obtaining basic probability assignments of various warning levels after fusion according to an improved D-S evidence theory based on Chebyshev distance, with the output results of the LSTM network as evidence inputs; determining disaster danger levels of the potentially dangerous parts of the project structure using a basic probability assignment-based decision method.

公开(公告)号：US11819932B2

公开(公告)日：2023-11-21

申请号：US17406746

申请日：2021-08-19

Applicant: Qingdao University of Technology ,  Shanghai Jinzhao Energy Saving Technology Co., Ltd. ,  Shaanxi Jinzhao Aviation Technology Co., Ltd.

Inventor： Changhe Li ,  Xifeng Wu ,  Yixue Han ,  Naiqing Zhang ,  Qidong Wu ,  Huajun Cao ,  Teng Gao ,  Yanbin Zhang ,  Min Yang ,  Bingheng Lu ,  Yuying Yang ,  Xin Cui ,  Xufeng Zhao ,  Mingzheng Liu ,  Dongzhou Jia ,  Xiaowei Zhang ,  Hao Ma

IPC: B23C5/28

CPC classification number: B23C5/28 ,  B23C2250/12

Abstract: An intelligent switching system for switching internal cooling and external cooling and a method are provided. The system includes a vision system, a cooling system and a control system. The vision system monitors a real-time milling state of a cutter, collects a real-time milling depth image that the cutter mills a workpiece, and transmits the collected real-time milling depth image to the control system. The control system includes a lubrication mode control center, and a motor control center. The lubrication mode control center receives the real-time image transmitted by the image collection control center; analyzes and processes the real-time image to obtain real-time milling depth data of the cutter. The motor control center receives a signal sent by the lubrication mode control center; analyzes and processes the signal, and transmits a control instruction to the cooling system. The cooling system executes a switching command issued by the control system.

公开(公告)号：US20230345641A1

公开(公告)日：2023-10-26

申请号：US17640371

申请日：2020-12-24

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY ,  QINGDAO 5D INTELLIGENT ADDITIVE MANUFACTURING TECH

Inventor： Xiaoyang ZHU ,  Ximeng QI ,  Hongbo LAN ,  Hongke LI ,  Zhenghao LI ,  Quan XU ,  Jiawei ZHAO

IPC: H05K3/10 ,  H05K1/02 ,  B33Y30/00 ,  B33Y10/00

CPC classification number: H05K3/108 ,  H05K1/028 ,  H05K1/0274 ,  B33Y30/00 ,  B33Y10/00

Abstract: The present disclosure provides a method and a system for manufacturing a flexible transparent conductive film with an embedded metal material. The method comprises the steps of sequentially printing metal nanowire grids and metal grids with a large aspect ratio on a printing substrate through an electric field driven micro-nano 3D printing method, and forming a composite conductive electrode of the metal grids and the metal nanowire grids; performing conductive treatment on the composite conductive electrode to obtain an electrode material; and embedding the electrode material into a photoresist, separating the photoresist embedded with the electrode material from the printing substrate, and removing the printing substrate to obtain a conductive film, wherein the metal nanowire grids are formed by printing the metal nanowires, and the metal grids with a large aspect ratio are formed by printing nano metal paste.

公开(公告)号：US11768149B2

公开(公告)日：2023-09-26

申请号：US17402243

申请日：2021-08-13

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY

Inventor： Jianjun Zhang ,  Hewei Lu ,  Qinglun Che ,  Jiahao Zhang ,  Zhaogang Jing ,  Chenglong Liu ,  Feng Guo

IPC: G01N19/02 ,  G01N33/30 ,  G01B5/06

CPC classification number: G01N19/02 ,  G01B5/066 ,  G01N33/30

Abstract: A device measures a frictional force and a film thickness of a lubricating oil film in different surface velocity directions. The device includes an experiment bench. A translation stage is mounted to the experiment bench, and is linearly movable. A main shaft system is mounted to the experiment bench. A glass disc is mounted to the main shaft system and is rotatable. An arcuate guide rail is disposed on the translation stage. A rotary base is mounted to the arcuate guide rail and is movable along the arcuate guide rail. A loading system is mounted to the rotary base. A steel ball of the loading system and the glass disc are movable relative to each other. A rotary bearing in the rotary base is configured to convert a frictional force generated from the relative movement to a pressure allowed to be collected by a pressure sensor on the rotary base.

公开(公告)号：US11752584B2

公开(公告)日：2023-09-12

申请号：US17829421

申请日：2022-06-01

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY ,  IK GUJRAL PUNJAB TECHNICAL UNIVERSITY

Inventor： Changhe Li ,  Dewei Liu ,  Zongming Zhou ,  Naiqing Zhang ,  Bo Liu ,  Shubham Sharma ,  Wenfeng Ding ,  Zechen Zhang

IPC: B25J15/06 ,  B23Q7/04

CPC classification number: B23Q7/046 ,  B23Q7/043 ,  B25J15/0658 ,  B23Q2707/003 ,  B23Q2707/04

Abstract: Provided a full-automatic wheel hub feeding-blanking system for intelligent production line of automotive wheel hubs, comprising: an intelligent material rack and a robot; the intelligent material rack comprises a bracket assembly, a turntable assembly and a bearing seat assembly; the turntable assembly being rotatable is mounted on the bearing seat assembly; the bracket assembly mounted on the turntable assembly comprises a base provided with at least one group of lifting devices, and each the group comprises three the lifting devices, and each of which an automotive wheel hub supporting plate assembly is provided on, central axis of the three automotive wheel hub supporting plate assemblies forming the angle of 120 degrees; the robot being mounted on one side of the intelligent material rack and comprises a robotic arm, and a manipulator is mounted on the robotic arm, and the manipulator is used for clamping the automotive wheel hub.

公开(公告)号：US20230274045A1

公开(公告)日：2023-08-31

申请号：US17923612

申请日：2021-06-11

Applicant: Qingdao University of Technology

Inventor： Shujuan YANG ,  Dehu YU ,  Naihua YUE ,  Weixiao XU

IPC: G06F30/13 ,  G06F30/20 ,  G06K7/14

CPC classification number: G06F30/13 ,  G06F30/20 ,  G06K7/1417

Abstract: A Building Information Modeling (BIM)-based intelligent drafting method for prefabricated buildings includes the following steps: step 1: extracting building model information; step 2: modeling the building model information, where Revit elements are divided into model elements, datum elements, and view-specific elements; step 3: extracting element management information based on a BIM model; step 4: extracting a sub-model view based on a BIM global model; step 5: performing BIM-based three-dimensional (3D) parametric modeling; and step 6: performing intelligent drafting for the prefabricated buildings: extracting structure information by an integrated platform for production, sales, and construction of the prefabricated buildings, extracting architectural, structural and mechanical electrical BIM models and generating drawings with a quick response (QR) code.