公开(公告)号：US12091147B1

公开(公告)日：2024-09-17

申请号：US18739229

申请日：2024-06-10

Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Ziliang Zhao ,  Bin Guo ,  Yuhang Zhang ,  Zhangu Wang ,  Jitai Yu ,  Jun Zhao ,  Qinglin Zhu

IPC: B63H21/20 ,  B63B17/00 ,  B63H21/14 ,  B63H21/17 ,  B63H21/21 ,  B63H23/30 ,  B63H23/34 ,  F01N3/02 ,  F02M31/20 ,  H01M8/04014 ,  H01M8/04082 ,  H01M8/04111 ,  H01M8/04119 ,  H01M8/0662 ,  H01M10/44 ,  H01M16/00 ,  H02K11/33

CPC classification number: B63H21/20 ,  B63B17/0027 ,  B63H21/14 ,  B63H21/17 ,  B63H21/21 ,  B63H23/30 ,  B63H23/34 ,  F01N3/0205 ,  F02M31/20 ,  H01M8/04014 ,  H01M8/04111 ,  H01M8/04126 ,  H01M8/04201 ,  H01M8/0662 ,  H01M10/44 ,  H01M16/006 ,  H02K11/33 ,  B63H2021/205 ,  H01M2220/20 ,  H01M2250/20

Abstract: A ship hydrogen hybrid power propulsion system and a method thereof are provided. The ship hydrogen hybrid power propulsion system includes a motor, a propeller, a power battery, an external motor controller, an internal motor controller, a hydrogen fuel cell, a hydrogen internal combustion engine, and a hydrogen storage tank. It combine the hydrogen fuel cell with the hydrogen internal combustion engine, and the hydrogen fuel cell is combined with the power battery and dynamically coupled with the internal motor and the external motor. Only a single hydrogen energy is needed, which is conducive to the layout and integration of the power system and achieves zero carbon emissions. Compared to the current dual motor power system, it has high integration, simpler power coupling, and a wider range of power output, making it particularly suitable for the high load and high-power output requirements of heavy-duty ships.

公开(公告)号：US20240302352A1

公开(公告)日：2024-09-12

申请号：US18182091

申请日：2023-03-10

Applicant: SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

Inventor： Chuanzhen HUANG ,  Zhuang CHEN ,  Hanlian LIU ,  Peng YAO ,  Dun LIU ,  Hongtao ZHU ,  Bin ZOU ,  Zhen WANG ,  Jun WANG ,  Longhua XU ,  Shuiquan HUANG ,  Meina QU ,  Zhengkai XU ,  Minting WANG ,  Yabin GUAN

IPC: G01N33/50 ,  B33Y70/00 ,  B33Y80/00 ,  C12N5/079 ,  C12N5/0793 ,  C12N5/0797

CPC classification number: G01N33/5082 ,  B33Y70/00 ,  B33Y80/00 ,  C12N5/0618 ,  C12N5/0619 ,  C12N5/0623 ,  C12N2501/13 ,  C12N2513/00 ,  C12N2533/54 ,  C12N2533/74

Abstract: A method of rapid constructing human cerebral cortical organoids by 3D bioprinting and an application including preparing microfluidic chips, preparation of hydrogel of human cerebral cortical organoids, and printing of human cerebral cortical organoids. The microfluidic chip comprises a mixed-flow channel layer, liquid pool layer, microporous array layer, human cerebral cortical organoid culture layer, and culture medium recovery layer; the human cerebral cortical organoid hydrogel has gelatin, alginate, and hyaluronic acid; printing directly human cerebral cortical organoids in microfluidic chips by FRESH printing method, obtaining human cerebral cortical organoid chips after packaging. The application directly constructs large-scale human cerebral cortex-like with three layers of mutually connected structures in situ in organ chip through 3D bioprinting, simulates cerebrospinal fluid circulation through perfusion culture.

公开(公告)号：US12085650B2

公开(公告)日：2024-09-10

申请号：US17630336

申请日：2020-07-13

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai Li ,  Liping Li ,  Shaoshuai Shi ,  Hongliang Liu ,  Zongqing Zhou ,  Jing Wang ,  Chengshuai Qin ,  Jie Hu ,  Hongyun Fan ,  Guangyu Yang

IPC: G01S17/89 ,  G01S17/86 ,  G06T7/00 ,  G06T7/11 ,  G06T7/13 ,  G06T7/62 ,  G06T17/00

CPC classification number: G01S17/89 ,  G01S17/86 ,  G06T7/0002 ,  G06T7/11 ,  G06T7/13 ,  G06T7/62 ,  G06T17/00 ,  G06T2207/10028 ,  G06T2207/20061 ,  G06T2207/20221 ,  G06T2210/12 ,  G06T2210/21

Abstract: A system and method for rock mass structure detection and dangerous rock detection including a rock mass structure automated detection device and a server. The rock mass structure automated detection device includes a three-dimensional laser scanning device and a two-dimensional image acquisition device for respectively acquiring three-dimensional laser point cloud data and a two-dimensional image of a tunnel construction region. The server communicates with the rock mass structure automated detection device and includes a block structure three-dimensional modeling module and a block structure geometric stability analysis module. By considering the influence of the same group of structural faces in a rock mass, the effect of a newly-generated structural face subjected to blasting disturbance, and the finite dimension of a structural face, blocks in shapes of polygonal pyramid and polygonal frustum can be constructed to comply with engineering practices, and the geometric stability of any polygonal pyramid can be rapidly analyzed.

公开(公告)号：US12071185B2

公开(公告)日：2024-08-27

申请号：US17618745

申请日：2020-12-30

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao Xu ,  Peng Lin ,  Tengfei Yu ,  Huihui Xie ,  Ruiqi Shao ,  Dongdong Pan ,  Fumin Liu ,  Gang Liu

IPC: G01N21/31 ,  B62D57/024 ,  B62D57/04 ,  E21D9/00 ,  G01N33/24

CPC classification number: B62D57/024 ,  B62D57/04 ,  E21D9/003 ,  G01N21/31 ,  G01N33/24

Abstract: A system and a method identify an adverse geological body in a tunnel based on hyperspectral technology analysis. The system includes a wall-climbing robot, a controller, and a signal processor, wherein the wall-climbing robot is provided with a plurality of groups of hyperspectral light sources and receivers, and the hyperspectral light sources and the receivers are arranged at intervals; the controller is configured to control the operation of the wall-climbing robot to ensure that the wall-climbing robot moves on a tunnel face according to a set spiral path; and the signal processor communicates with the receivers to receive the acquired spectrum data, draws a mineral distribution map of the tunnel face with the path raveled by the wall-climbing robot as a plane, and identifies an adverse geological body by identifying categories and distribution characteristics of the representative minerals.

公开(公告)号：US20240280451A1

公开(公告)日：2024-08-22

申请号：US18409775

申请日：2024-01-10

Applicant: FUJIAN UNIVERSITY OF TECHNOLOGY ,  SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  FUZHOU UNIVERSITY

Inventor： GANG WANG ,  PENGJU WANG ,  PENG HE ,  XUEZHEN WU ,  KERUI FAN ,  CHANGSHENG WANG ,  ZHIJIA YOU ,  NING YANG ,  MINGRUI CHEN ,  LIANG ZHANG ,  FAN LV

IPC: G01N3/24 ,  G01N1/44 ,  G01N33/24

CPC classification number: G01N3/24 ,  G01N1/44 ,  G01N33/24 ,  G01N2203/0048

Abstract: Disclosed are an underground engineering rock mass shear simulation test device, a test method and a test machine. The test method includes: setting different test conditions by a controller to perform cyclic shear test at high temperature, fracture shear seepage test, granite uniaxial compression test at high temperature and granite fracture shear test under constant normal stiffness boundary conditions at room temperature. The electric heating wire assembly, the fan assembly and the environmental box are combined to flexibly and uniformly heat the samples placed in the upper shear box and the lower shear box. In terms of shear-seepage test, this scheme proposes a second sample placing mechanism that realizes sealing through sealing capsule and sealing capsule pressing plate. It realizes stable sealing and facilitates monitoring and debugging of seepage parameters.

公开(公告)号：US12062167B1

公开(公告)日：2024-08-13

申请号：US18398665

申请日：2023-12-28

Applicant: SHANDONG UNIVERSITY

Inventor： Mingshun Jiang ,  Lingyu Sun ,  Shanshan Lv ,  Juntao Wei ,  Lei Zhang ,  Faye Zhang ,  Qingmei Sui ,  Lei Jia

IPC: G06T7/77 ,  G06K9/00 ,  G06T5/20 ,  G06T5/70 ,  G06T7/00 ,  G06T7/73

CPC classification number: G06T7/001 ,  G06T5/20 ,  G06T5/70 ,  G06T7/74 ,  G06T7/77 ,  G06T2207/10132 ,  G06T2207/20076 ,  G06T2207/30108

Abstract: A probability multiply-sum structural damage imaging positioning method and system based on a delay factor includes obtaining optimal excitation frequency and group-velocity theoretical correction function based on numerical simulation of composite laminates; based on optimal excitation frequency, obtaining ultrasonic guided wave response signals of composite laminates in healthy and lossy states and sensor coordinates used for signal collection; performing path screening based on ultrasonic guided wave response signals; obtaining group-velocity correction function based on measured group velocity obtained based on ultrasonic guided wave response signal in healthy state, and calculating actual delay time based on obtained effective path, group-velocity correction function, and sensor coordinates; obtaining damage delay factor based on actual and reference delay time; forming path probability distribution based on damage delay factor, and performing path probability multiply-sum operation to obtain structural damage imaging result; and obtaining structural damage positioning result based on peak point coordinates of imaging result.

公开(公告)号：US12061223B2

公开(公告)日：2024-08-13

申请号：US17920181

申请日：2021-07-06

Applicant: SHANDONG UNIVERSITY

Inventor： Houlei Gao ,  Tong Yuan ,  Yunchi Zhang ,  Bin Xu ,  Lin Li

IPC: G01R31/08

CPC classification number: G01R31/085 ,  G01R31/088

Abstract: A method and system for traveling wave-based fault location of AC and DC transmission lines based on 5G communication. The method includes: calibrating time based on time information sent by a 5G base station; generating synchronous sampling pulses by using the calibrated time and a crystal oscillator, collecting a current signal, and on this basis, detecting a fault instant and an arrival instant of traveling wave head of a local end; sending the arrival instant of traveling wave head of the local end to an opposite end through a 5G network; and calculating a distance from a fault to either end according to the arrival instant of traveling wave head of the local end, an arrival instant of traveling wave head of the opposite end, and a full length of a line.

公开(公告)号：US20240264059A1

公开(公告)日：2024-08-08

申请号：US18691990

申请日：2023-04-10

Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Weitao LIU ,  Haifeng WU ,  Xiangxi MENG ,  Jiyuan ZHAO ,  Yanhui DU ,  Lifu PANG ,  Mengke HAN ,  Yaohua LI ,  Weiguo SONG ,  Hao LI

IPC: G01N3/56

CPC classification number: G01N3/565 ,  G01N2203/0226 ,  G01N2203/0242 ,  G01N2203/0284 ,  G01N2203/0676 ,  G01N2203/0694

Abstract: The disclosure provides a rock stratum grouting water blocking test device and method under a mining coupling condition, and relates to the technical field of permeability testing. The device includes a solution box, a test box, a pressing plate replacement box, a grouting pump, a recovery pool and a water pump, the solution box is connected with the test box through a liquid injection pipe, the bottom of the test box is connected with the pressing plate replacement box, the pressing plate replacement box is connected with a bottom plate, and the bottom plate is connected with a control panel. The device can be used for testing the influence of the single-factor or multi-factor coupling action of temperature, water quality, water pressure, water flow and grouting pressure on the grouting effect.

公开(公告)号：US20240263711A1

公开(公告)日：2024-08-08

申请号：US18566716

申请日：2021-12-28

Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Ziliang ZHAO ,  Zhenguo LU ,  Hongbin WANG ,  Qingliang ZENG ,  Changjiang LI ,  Long GAO ,  Hong SONG

IPC: F16K11/22 ,  F16K31/04 ,  F16K31/53

CPC classification number: F16K11/22 ,  F16K31/041 ,  F16K31/535

Abstract: A volume liquid fixed-ratio multi-batch mixing valve includes a valve body, including a first inlet liquid chamber, a second inlet liquid chamber and a mixing chamber; a first valve core, controlling liquid inflow into the first inlet liquid chamber; a second valve core, controlling liquid inflow into the second inlet liquid chamber; a liquid drainage valve core, controlling liquid drainage; a rotary shaft includes a first impeller and a second impeller. The first impeller and the second impeller alternately control flow to the first inlet liquid chamber and the second inlet liquid chamber and to the second inlet liquid chamber and the mixing chamber. The first impeller and the second impeller are symmetrically about the rotary shaft; when the first inlet liquid chamber and the second inlet liquid chamber are communicated, the second valve core closes the second inlet liquid chamber and the mixing chamber.

公开(公告)号：US12055022B2

公开(公告)日：2024-08-06

申请号：US17219132

申请日：2021-03-31

Applicant: China University of Petroleum (East China) ,  Shandong University of Science and Technology

Inventor： Jian Hou ,  Kang Zhou ,  Qingjun Du ,  Yongge Liu ,  Yueliang Liu ,  Bei Wei ,  Dong Zhao ,  Zhibin An ,  Dejun Wu

IPC: E21B43/16 ,  C09K8/584 ,  C09K8/588 ,  E21B49/00 ,  G01V3/38

CPC classification number: E21B43/16 ,  C09K8/584 ,  C09K8/588 ,  E21B49/00 ,  G01V3/38 ,  E21B2200/20

Abstract: A method for realizing balanced displacement of crude oil by injection and production optimization coordinated chemical flooding which comprises the following steps: determining the median size and elastic modulus of viscoelastic particles according to the average permeability of the reservoir; optimizing the concentration ratio of the total concentration of the chemical agent; the physical parameters of each layer are counted, and the hierarchical system is combined according to the entropy weight algorithm and the cluster analysis method based on the gravity center method; the optimal section slug volume ratio of the single well injected with two slugs under the heterogeneity of the permeability of the strata is calculated; and the objective function is established by combining the coefficient of variation of remaining oil saturation, the effect of chemical flooding and the cost, and the numerical simulator is used to optimize the objective function.