公开(公告)号：US20230285229A1

公开(公告)日：2023-09-14

申请号：US18025517

申请日：2022-05-11

申请人： QILU HOSPITAL OF SHANDONG UNIVERSITY ,  SHANDONG UNIVERSITY

发明人： Yuguo CHEN ,  Ke LI ,  Feng XU ,  Jiali WANG ,  Jiaojiao PANG ,  Na ZHANG ,  Mingze SUN

IPC分类号： A61H31/00

CPC分类号： A61H31/006 ,  A61H31/005 ,  A61H2201/5071

摘要： A chest and abdomen coupled cardiopulmonary resuscitation device, including a bottom plate and at least two compression/traction mechanisms, wherein each of the two compression/traction mechanisms includes two linear motors with opposite positions, the axes of the two linear motors are perpendicular to the bottom plate, and the bottoms of the linear motors are in slip connection with the bottom plate; and the tops of the two linear motors are fixedly connected by a connecting mechanism, the bottom of the connecting mechanism is fixedly provided with a presser connected to an air pump, and the presser can move on the connecting mechanism along a direction perpendicular to the sliding direction of the linear motors. The device can be adjusted to the optimal compression frequency, depth and duration according to objective physiological indicators, thereby greatly improving success rate of rescue.

公开(公告)号：US20230134220A1

公开(公告)日：2023-05-04

申请号：US17973027

申请日：2022-10-25

申请人： Shandong University ,  Shandong University-Weihai Research Institute of Industrial Technology

发明人： Xun CAI ,  Shuai XU ,  Xinyu LI ,  Yanbo GAO ,  Shuai LI ,  Bo ZHU ,  Jing WANG ,  Xiaohui SHI

IPC分类号： B65G65/00 ,  B65G65/02

摘要： Disclosed is a packing system for staggered placement of cylindrical cargoes with variable specifications, which belongs to the field of logistics and transportation. The system comprises a role layer, a presentation layer, an application layer and a data layer; the presentation layer comprises a browser; the application layer is used to generate a container model and a cargo model, and the cargo models are grouped and put into a packing model; the application layer comprises cargo ordering, cargo grouping, container entry detection, cargo insertion, in-container coordinate calculation, out-of-container coordinate calculation, graphic display, information display, cancellation, local storage and database storage; and the data layer comprises container data and cargo data.

公开(公告)号：US20190212213A1

公开(公告)日：2019-07-11

申请号：US16066215

申请日：2017-09-28

申请人： SHANDONG UNIVERSITY ,  SHANDONG GELNNT ENVIRONMENTAL TECHNOLOGY CO., LTD.

发明人： Yuxi JIA ,  Linlin GAO ,  Lijia AN ,  Weiguo YAO ,  Guoshun WAN ,  Hui YE ,  Leida ZHANG

IPC分类号： G01K11/32 ,  G01L1/24

摘要： A fiber grating sensor insert, implanting system and method of an intelligent plastic pipe. A fiber grating sensors' strip-shaped insert is accurately implanted in an oblique guiding manner in the pipe's outer surface during the continuous extrusion molding process of the plastic pipe, so that temperature and strain sensors implanted beforehand in strip-shaped insert are buried in the pipe, and the sensors' survival in a bad pipe manufacturing and working environment is ensured, real-time online monitoring on parameters of the pipe such as temperature, strain, pressure and the like is achieved, the conventional continuous extrusion process technology of plastic pipes is combined with optical fiber communication technology, and the manufactured intelligent plastic pipe can achieve real-time online monitoring of temperature, strain, pressure and other parameters, and then can realize the safety early warning, fault diagnosis and automatic control of urban pipe networks, thereby effectively promoting the construction of “smart cities”.

公开(公告)号：US20240364116A1

公开(公告)日：2024-10-31

申请号：US18620094

申请日：2024-03-28

申请人： Shandong University

发明人： Jingyang FANG ,  Wenrui LI ,  Wenjia SI ,  Tao XU ,  Feng GAO

IPC分类号： H02J3/18 ,  H02M7/5387

CPC分类号： H02J3/44 ,  H02M7/53871

摘要： The present disclosure pertains to the field of power electronics technologies, and provides a grid-connected control method and system for a grid-forming converter without a grid-side voltage sensor. The grid-connected control method includes: performing coordinate transformation on a phase of a three-phase capacitor voltage sampled by a phase-locked loop (PLL) to obtain a first phase; in response to control of a first pulse width modulation (PWM) pulse signal, introducing a reference phase, and performing negative feedback regulation on a difference between the reference phase and the first phase to obtain a second phase; and in response to control of a second PWM pulse signal, performing a modulo operation on a difference between the reference phase and the second phase to obtain a third phase, where the third phase is used to replace a phase of the PLL to perform coordinate transformation of a system.

公开(公告)号：US20240361294A1

公开(公告)日：2024-10-31

申请号：US18571358

申请日：2023-01-09

申请人： SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

发明人： Chenglin TIAN ,  Qianting HU ,  Haitao SUN ,  Xusheng ZHAO

IPC分类号： G01N33/22 ,  G01N3/00

CPC分类号： G01N33/222 ,  G01N3/00 ,  G01N2203/0032

摘要： A method of analyzing influencing factors of a contribution rate of elastic energy of a top plate during catastrophe of a coal body; the specific steps are: obtaining coal seam gas pressure; according to a drilling histogram, obtaining coal seam thickness and top plate thickness; taking a core on site and processing the core into a standard test piece; obtaining, by means of an indoor mechanical test, elastic moduli of the top plate and of gas-containing coal, respectively; substituting the obtained elastic moduli and thicknesses of the top plate and of the gas-containing coal into a calculation formula so as to obtain the contribution rate of the elastic energy of the top plate; and analyzing the influence of the contribution rate of the elastic energy of the top plate in the two situations of configuring the same thickness ratio and a different elastic modulus ratio and the same elastic modulus ratio and a different thickness ratio. In the described method, the role of the elastic energy of the top plate in a coal-gas dynamic disaster is fully considered while the influencing factors of the contribution rate of the elastic energy are analyzed. The method has important theoretical significance and practical engineering value. Moreover, the method has positive significance for the prediction and prevention of mining-induced rock burst-coal and gas outburst and other complex dynamic mining disasters.

公开(公告)号：US12105032B1

公开(公告)日：2024-10-01

申请号：US18586626

申请日：2024-02-26

申请人： Shandong University ,  Civil Aviation University of China

发明人： Yunfan Yang ,  Yang Zhao

IPC分类号： G01N22/04 ,  H01Q1/22

CPC分类号： G01N22/04 ,  H01Q1/2208

摘要： A non-destructive testing method for article moisture content based on radio frequency identification (RFID) includes: S1, an electronic tag is attached to a surface of an article to be tested, and a signal transceiver is arranged above the electronic tag; S2, the signal transceiver sends a radio-frequency signal to the electronic tag and activates the electronic tag, and the signal transceiver simultaneously receives a backscattered signal from the electronic tag; and S3, the signal transceiver sends the backscattered signal to a signal processor. The method utilizes effects of different moisture content on backscattered signals, arranges the electronic tag on the article to be tested, processes the backscattered signal through the signal processor to obtain a processed signal, and transmits the processed signal to a monitor to display real-time moisture content curve of each article to be tested based on its corresponding serial number.

公开(公告)号：US20240322230A1

公开(公告)日：2024-09-26

申请号：US17916880

申请日：2021-11-10

申请人： SHANDONG UNIVERSITY

发明人： Jingcheng HAO ,  Wenna WU ,  Xiaoli CHEN ,  Li LIU ,  Shuli DONG

IPC分类号： H01M10/0565 ,  B82Y30/00 ,  B82Y40/00 ,  H01G11/26 ,  H01G11/48 ,  H01G11/56

CPC分类号： H01M10/0565 ,  B82Y30/00 ,  B82Y40/00 ,  H01G11/26 ,  H01G11/48 ,  H01G11/56 ,  H01M2300/0082 ,  H01M2300/0085

摘要： An emulsion, an emulsion gel electrolyte, an aerogel, as well as a preparation method and a use; wherein the emulsion is an oil-in-water emulsion. An oil phase is a solution of decane dispersed with an upconversion nanomaterial and a water phase contains a polymerizable ionic liquid. The gel electrolytes and aerogel electrode materials prepared based on this emulsion have greatly improved the electrochemical performance of supercapacitors.

公开(公告)号：US12097737B2

公开(公告)日：2024-09-24

申请号：US17208034

申请日：2021-03-22

申请人： Shandong University of Technology

发明人： Fan Zhang ,  Wentao Yang ,  Xianyue Gang ,  Huiheng Wang ,  Jixing Wu ,  Aibing Liu ,  Chunyi Lv

IPC分类号： G05B19/404 ,  B60G17/016 ,  B60G17/018

CPC分类号： B60G17/018 ,  B60G17/016 ,  G05B19/404 ,  B60G2400/051 ,  B60G2400/61

摘要： The present disclosure discloses a leveling control method for a multi-point support platform, which comprises the steps: respectively measuring and obtaining a load-bearing interaction matrix and a deformation interaction matrix of the platform to construct a load-bearing and deformation joint control matrix; calculating the optimal loads of the legs and measuring the current loads of the legs to obtain the load deviation rates of the legs, and determining if the platform warrants leveling in combination with the two-dimensional inclination angles of the platform; constructing a platform geometry and leg load joint control equation according to the two-dimensional inclination angles of the platform, the load deviations of the legs and the load-bearing and deformation joint control matrix, calculating the actuation quantities of the legs and performing synchronous leveling; and determining the load deviation rates of the legs and the two-dimensional inclination angles of the platform cyclically and performing the actuation control until the leveling goal is achieved. The method is capable of synchronously realizing the geometric leveling of the platform and the load control of the legs, and can significantly improve the speed, geometric accuracy, process stability, leg load-bearing stability and control robustness of the leveling control for the multi-point support platform.

公开(公告)号：US12091147B1

公开(公告)日：2024-09-17

申请号：US18739229

申请日：2024-06-10

申请人： SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

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

IPC分类号： 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分类号： 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

摘要： 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

申请人： SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

发明人： 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分类号： G01N33/50 ,  B33Y70/00 ,  B33Y80/00 ,  C12N5/079 ,  C12N5/0793 ,  C12N5/0797

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

摘要： 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.