Patents by Inventor Zhijun Zhang

Zhijun Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11927865
    Abstract: An electrochromic device with side-by-side structure including a common electrode unit, at least one color-changing unit and an electrolyte layer is provided. The common electrode unit includes an electrode layer and an electrode protection layer disposed on the electrode layer. The color-changing unit includes a transparent conductive layer and a color-changing layer disposed on the transparent conductive layer. The common electrode unit and each color-changing unit are arranged on the same plane with an insulating region between two adjacent units. The electrolyte layer covers and connects the electrode protection layer of the common electrode unit and the color-changing layer of each color-changing unit.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: March 12, 2024
    Assignee: WUYI UNIVERSITY
    Inventors: Xiufeng Tang, Guoxin Chen, Yongxian Li, Zhixin Li, Zhaopeng Mo, Zhijun Ou, Tengcheng Huang, Lan Su, Zehui Zhang, Jianyi Luo
  • Publication number: 20240070797
    Abstract: A port departure service processing method, apparatus and system. The method includes: determining the current master control system for executing a port departure service; during the process of executing the port departure service, if an error is detected in operating data of the current master control system, switching the unfinished port departure service to another normally operating system so as to continue execution; if the execution of the port departure service is not completed and after it is detected that the operating data of the current master control system returns to normal, switching to the current master control system to continue to execute the remaining port departure service; and after switching from the current master control system to the other system or switching from the other system back to the current master control system, correcting inconsistent data before and after switching.
    Type: Application
    Filed: December 6, 2021
    Publication date: February 29, 2024
    Applicant: TravelSky Technology Limited
    Inventors: Zhijun Zhao, Ming Zhang, Songyang Zhang, Wenhui Wang, Yue Yu
  • Patent number: 11916382
    Abstract: A system may determine configuration information associated with a power system for a work site that includes one or more power sources. The system may determine respective operation parameters of the one or more power sources and one or more performance criteria associated with the power system. The system may determine a baseline operation plan for the power system. The system may identify an optimization analysis technique and may process, using the optimization analysis technique, the configuration information associated with the power system, the respective operation parameters of the one or more power sources, and the one or more performance criteria associated with the power system to generate the optimized operation plan for the power system. The system may cause, based on the baseline operation plan for the power system and the optimized operation plan for the power system, one or more actions to be performed.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: February 27, 2024
    Assignee: Caterpillar Inc.
    Inventors: Yanchai Zhang, Syed Ameenuddin Hussain, Baoyang Deng, Zhijun Cai, Shiferaw D. Beyene, Casey Alan Otten, Perry Converse, Theodore E. Wiersema, Michael A. Snopko
  • Publication number: 20240055859
    Abstract: A source-grid-load-storage networked collaborative frequency control method is disclosed, which comprises acquiring total active power ?P to be regulated during a secondary frequency regulation process of a power grid; performing frequency regulation by source-grid-load-storage of the power distribution system, allocating power regulation capacities, and determining whether the desired total active power is met after the frequency regulation; if the desired total active power is met, determining whether power of power generation units is out of limit; if the power of the power generation units is not out of limit, keeping active power of the power distribution system in balance to complete frequency regulation of the power grid; if the power of the power generation units is out of limit, correcting the power regulation capacities of the power generation units of the source-grid-load-storage and compensating a power difference to keep the active power of the power distribution system in balance.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 15, 2024
    Applicants: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS, STATE GRID ELECTRIC POWER REREARCH INSTITUTE CO. LTD
    Inventors: Dong YUE, Chunxia DOU, Zhijun Zhang, Wenbin YUE, Xiaohua DING, Jianbo LOU, Yanman LI, Kun HUANG, Tao HAN
  • Publication number: 20240041484
    Abstract: An extended catheter includes a catheter body, a pushing reinforcement wire, a pushing rod, and a positioning balloon. The catheter body is provided with a delivery channel, and a proximal end of the catheter body is provided with an inlet connected to the delivery channel. The pushing reinforcement wire is arranged on a side wall of the catheter body along an axial direction of the catheter body. A distal end of the pushing rod is connected to the proximal end of the catheter body, and an interior of the pushing rod is provided with a filling channel. The positioning balloon is sleeved on the catheter body, and an inner cavity of the positioning balloon is connected to the filling channel. Problem of existing catheters unable to effectively reach the designated position in curved and narrow branch blood vessels for treatment is solved.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 8, 2024
    Inventors: Zhijun Zhang, Chaosheng Liu, Guansheng Zhong
  • Publication number: 20240021740
    Abstract: A method for manufacturing a light-emitting photosensitive sensor structure includes preparing a package substrate, wherein the package substrate has a cavity formed by a light-shield frame performing enclosing, and the bottom of the cavity is provided with a first line layer, forming a light transmission channel on the light-shield frame, mounting a light-emitting photosensitive sensor in the cavity of the package substrate so that the photosensitive luminescent device is electrically connected to the first line layer, filling the cavity and the light transmission channel with a transparent encapsulating material to form a transparent packaging layer on the photosensitive luminescent device, forming a light-shield layer on the transparent packaging layer, and performing cutting along a cutting line of the light-shield frame to obtain a light-emitting photosensitive sensor structure having a directional light transmission channel.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Inventors: Xianming CHEN, Lei FENG, Benxia HUANG, Jiangjiang ZHAO, Zhijun ZHANG
  • Patent number: 11862982
    Abstract: A networked control method for primary frequency regulation of a new energy power station based on a source-grid-load-storage networked cloud decision control system platform comprises: determining, according to historical operating data of a new energy power station, primary frequency regulation predictive values of power generation units of the new energy power station; determining, according to the primary frequency regulation predictive values, optimal control sequences of inverters of the power generation units at different times based on a pre-established inverter active power model, wherein the optimal control sequences comprise multiple control quantities of active power of the inverters; marking the optimal control sequences at the different times with time scales, sending the optimal control sequences to executing devices of the power generation units, receiving the optimal control sequences, and determining whether to store or not store the optimal control sequences; and determining the control qua
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 2, 2024
    Assignees: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS, STATE GRID ELECTRIC POWER RESEARCH INSTITUTE CO., LTD
    Inventors: Dong Yue, Chunxia Dou, Zhijun Zhang, Xiaohua Ding, Jianbo Luo, Yanman Li, Kun Huang, Tao Han
  • Publication number: 20230387691
    Abstract: A multi-timescale voltage regulation method based on source-grid-load-storage multi-terminal collaboration of a power distribution network is disclosed, which comprises: establishing, based on a Petri network, a multi-mode switching control model based on voltage security event trigger to realize effective control of a global voltage; establishing multi-objective optimization taking into account a source-storage-load regulation cost and a network transmission loss to realize collaborative and dynamic control of controllable resources of a source terminal, a load terminal and a storage terminal in each operating mode; and establishing a source-storage-load multi-terminal collaboration-based distributed voltage control model based on voltage security event trigger over a short timescale by taking into account the problems of voltage magnitude being out of limit and voltage leap, and solving online an optimal control sequence of the source terminal, the load terminal and the storage terminal in a receding horizo
    Type: Application
    Filed: January 5, 2022
    Publication date: November 30, 2023
    Applicants: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS, STATE GRID ELECTRIC POWER RESEARCH INSTITUTE CO. LTD
    Inventors: Dong YUE, Chunxia DOU, Zhijun ZHANG, Xiaohua DING, Jianbo LUO, Yanman LI, Kun HUANG, Tao HAN
  • Publication number: 20230363787
    Abstract: A cutting balloon catheter with concealed blades is provided. A pressure channel communicated with the balloon is formed by a gap between the outer tube and the inner tube. The cutting assembly includes first support rings sleeved on the outer tube and a blade group, the first support rings are capable of generating radial elastic deformation and sliding freely. The push-pull tube is sleeved on the outer tube, and the protective bag is configured to encapsulate the balloon and the cutting assembly. When the cutting assembly is pushed to the balloon, after the balloon is expanded, the blade group cuts a section of the protective bag opposite to the balloon to expose the blade group. The catheter can pass through the complex and tortuous blood vessels to reach the lesion site, and realize effective cutting while reducing the damage to the blood vessels.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Inventors: Chaosheng Liu, Zhijun Zhang, Bin Li
  • Publication number: 20230291207
    Abstract: A networked control method for primary frequency regulation of a new energy power station based on a source-grid-load-storage networked cloud decision control system platform comprises: determining, according to historical operating data of a new energy power station, primary frequency regulation predictive values of power generation units of the new energy power station; determining, according to the primary frequency regulation predictive values, optimal control sequences of inverters of the power generation units at different times based on a pre-established inverter active power model, wherein the optimal control sequences comprise multiple control quantities of active power of the inverters; marking the optimal control sequences at the different times with time scales, sending the optimal control sequences to executing devices of the power generation units, receiving the optimal control sequences, and determining whether to store or not store the optimal control sequences; and determining the control qua
    Type: Application
    Filed: August 2, 2021
    Publication date: September 14, 2023
    Applicants: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS, STATE GRID ELECTRIC POWER RESEARCH INSTITUTE CO., LTD
    Inventors: Dong YUE, Chunxia DOU, Zhijun ZHANG, Xiaohua DING, Jianbo LUO, Yanman LI, Kun HUANG, Tao HAN
  • Publication number: 20230276576
    Abstract: A package substrate and a manufacturing method thereof are disclosed. The method includes: providing an inner substrate; processing an adhesive photosensitive material on a surface of a first side of the inner substrate to obtain an adhesive first insulating dielectric layer; mounting a component on the first insulating dielectric layer; and processing a photosensitive packaging material on the first side of the inner substrate to obtain a second insulating dielectric layer, where the second insulating dielectric layer covers the component.
    Type: Application
    Filed: February 25, 2023
    Publication date: August 31, 2023
    Inventors: Xianming CHEN, Wenjian LIN, Gao HUANG, Lei FENG, Jindong FENG, Benxia HUANG, Zhijun ZHANG
  • Patent number: 11721219
    Abstract: Disclosed is a method for controlling stable flight of an unmanned aircraft, comprising the following steps: acquiring real-time flight operation data of the aircraft itself by means of an attitude sensor, a position sensor and an altitude sensor mounted to the unmanned aircraft, performing corresponding analysis on a kinematic problem of the aircraft by a processor mounted thereto, and establishing a dynamics model of the aircraft (S1); designing a controller of the unmanned aircraft according to a multi-layer zeroing neurodynamic method (S2); solving output control quantities of motors of the aircraft by the designed multi-layer zeroing neural network controller using the acquired real-time operation data of the aircraft and target attitude data (S3); and transferring solution results to a motor governor of the aircraft, and controlling powers of the motors according to a relationship between the control quantities solved by the controller and the powers of the motors of the multi-rotor unmanned aircraft, s
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 8, 2023
    Assignee: South China University of Technology
    Inventors: Zhijun Zhang, Lu'nan Zheng, Dongyu Ji
  • Patent number: 11602300
    Abstract: Disclosed are a brain-computer interface based robotic arm self-assisting system and method. The system comprises a sensing layer, a decision-making layer and an execution layer. The sensing layer comprises an electroencephalogram acquisition and detection module and a visual identification and positioning module and is used for analyzing and identifying the intent of a user and identifying and locating positions of a corresponding cup and the user's mouth based on the user intent. The execution layer comprises a robotic arm control module that performs trajectory planning and control for a robotic arm based on an execution instruction received from a decision-making module.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: March 14, 2023
    Assignee: South China University of Technology
    Inventors: Zhijun Zhang, Yongqian Huang, Yuanqing Li
  • Publication number: 20230068171
    Abstract: A method for preparing the ferrous sulfide-containing passivator includes: dissolving a sulfide in an alkaline solution to form a mixed solution with a pH of 12-13; adding sodium silicate to the mixed solution and stirring for 0.5-1 hour at 20-40° C.; adding an aqueous solution of ferrous salt to the mixed solution containing sodium silicate, and allowing to react at 40-60° C. for 2-3 hours; where, with decrease of the pH of the mixed solution, sodium silicate is converted into silica nanoparticles, and the ferrous salt reacts with the sulfide to form ferrous sulfide; and further adding an aqueous solution of an organic modifier, and allowing to react at 40-60° C. for 1-2 hours to form a passivator slurry including surface-modified ferrous sulfide doped with silicon dioxide; filtering the passivator slurry to form a passivator.
    Type: Application
    Filed: August 19, 2022
    Publication date: March 2, 2023
    Inventors: Chunpeng SONG, Chaoran LI, Mingming LIAN, Xiaohong LI, Zhijun ZHANG
  • Publication number: 20230054304
    Abstract: Disclosed are a compound having a neuroprotective effect, a preparation method therefor and a use thereof. Specifically, the compound has the structure shown by formula I, the definition of each group and substituent being as described in the description. Further disclosed are a preparation method for the compound and a use thereof for neuroprotection.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 23, 2023
    Inventors: Bo LIANG, Huanming CHEN, Gang LIU, Zhijun ZHANG, Tian XIA, Bo HUA, Qiu JIN
  • Patent number: 11587838
    Abstract: A grinding control method and device for a wafer, and a grinding device are provided. A grinder is controlled to grind a mass production wafer with a set grinding parameter. In a case that it is determined to perform a test using a test wafer, the grinder may be controlled to grind the test wafer with the set grinding parameter. A first total thickness variation of the grinded test wafer is acquired by a dedicated measurement device, and an updated grinding parameter is acquired based on the first total thickness variation. The grinder is controlled to grind the mass production wafer with the updated grinding parameter. In this way, a wafer with a uniform thickness can be obtained, thereby improving flatness of the grinded wafer.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 21, 2023
    Assignee: Wuhan Xinxin Semiconductor Manufacturing Co., Ltd.
    Inventors: Hongsheng Yi, Zhijun Zhang, Yifan Yang
  • Patent number: 11500341
    Abstract: Provided is a source-load cooperation access method for a power distribution region. The method includes: establishing a timing feature model of a distributed generator and a timing feature model of a load respectively, acquiring a timing feature of the distributed generator in an access power distribution region by using maximum likelihood estimation and acquiring a timing feature of a user which accesses the power distribution region by using classification and regression trees; and inputting the timing feature of the distributed generator and the timing feature of the user which access the power distribution region into a combination optimization model, and determining a source-load access feeder through optimization.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 15, 2022
    Assignees: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC POWER COMPANY, STATE GRID TIANJIN ELECTRIC POWER COMPANY, STATE GRID CORPORATION OF CHINA, TIANJIN UNIVERSITY
    Inventors: Yan Qi, Xudong Wang, Yunfei Mu, Xuejun Shang, Bofeng Luo, Yi Ding, Xianxu Huo, Zhijun Zhang, Lei Wu
  • Publication number: 20220340563
    Abstract: 2-aminopyrimidine compounds and pharmaceutical compositions and uses thereof are provided. Specifically, the 2-aminopyrimidine compounds have a structure as shown in formula I. The compounds are suitable for use in the fields of anti-virus and anti-infection, as well as treatment of diseases such as autoimmune diseases and tumors.
    Type: Application
    Filed: August 12, 2020
    Publication date: October 27, 2022
    Inventors: Bo LIANG, Qiu JIN, Huanming CHEN, Zhijun ZHANG, Tian XIA, Bo HUA, Gang LIU
  • Publication number: 20220267187
    Abstract: Provided is a sheet forming thickness control method of an overflow brick, including: S1: obtaining a free flow thickness distribution and a free flow speed distribution of an overflow of a glass on an overflow surface of the overflow brick through simulation; S2: calculating an equivalent drawing speed distribution of an overflow guide plate and a critical equivalent drawing speed of the overflow guide plate; S3: calculating an equivalent drawing thickness distribution and a forming thickness distribution of the overflow of the glass; S4: calculating an extreme thickness difference of a formed glass substrate; and S5: when the extreme thickness difference is greater than a preset threshold, changing current parameters and repeating steps S1 to S4; and when the extreme thickness difference is smaller than or equal to the preset threshold, processing the overflow brick and producing the glass substrate in accordance with the current parameters.
    Type: Application
    Filed: March 4, 2022
    Publication date: August 25, 2022
    Inventors: Miao LI, Menghu LI, Guohong YANG, Dacheng WANG, Zhijun ZHANG
  • Patent number: 11410386
    Abstract: The present application provides a method and system for reconstructing transparent objects based on multi-wavelength light tracing, the method comprises calculating and obtaining a reverse light equation of one pixel point of a camera by using intrinsic parameters of camera calibration; placing a transparent object on a display screen, emitting, by a backlight lighting source, lights of two or more different wavelengths to the display screen, and recording, by the pixel point, position information of the lights of two or more different wavelengths on the display screen, respectively; translating the display screen along a direction perpendicular thereto, and calculating a rectilinear equation of light from a lower surface of the transparent object to the display screen of the lights of different wavelengths recorded by the pixel point.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: August 9, 2022
    Assignee: SHENZHEN TECHNOLOGY UNIVERSITY
    Inventors: Qingyang Wu, Xiaoting Lu, Haotao Huang, Zhijun Zhang