Patents Assigned to Jilin University
  • Publication number: 20250133984
    Abstract: Disclosed are a maize on-demand fertilization control system and a soil nitrogen soft measurement method. Sensors transmit real-time data to a control unit, which calculates soil nitrogen content using an optimized BP neural network model. Based on maize's nitrogen demand, the system adjusts fertilization amounts using solenoid valves, achieving precise, cost-effective fertilization.
    Type: Application
    Filed: June 28, 2024
    Publication date: May 1, 2025
    Applicant: Jilin University
    Inventors: Jiangtao QI, Junbo ZHOU, Weirong ZHANG, Fangfang GAO, Zhiyuan BAO, Chenchen DING, Yang WANG, Mingyang LV
  • Patent number: 12269295
    Abstract: A variable thickness rim structure made of carbon fiber composite includes an outer ply block, that is paved as an outer side of the rim structure; an upper ply block, that is paved as an upper part of an inner side of the rim structure; a lower ply block, that is paved as a lower part of the inner side of the rim structure; a filling ply block, that is paved among the outer ply block, the upper ply block, and the lower ply block, where a first end of the upper ply block and a first end of the lower ply block extend inwards to form an annular connecting flange; a second end of the upper ply block extends upwards and a second end of the lower ply block extends downwards to form a rim ring together with the outer ply block.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: April 8, 2025
    Assignee: Jilin University
    Inventors: Dengfeng Wang, Wenchao Xu, Yong Wang, Jingbo Gao
  • Publication number: 20250102410
    Abstract: Provided is a method for calibrating a deformation pressure of a large-volume press. The method for calibrating the deformation pressure of the large-volume press includes: depositing a conductive layer onto a surface of a bevel plug to obtain a conductive bevel plug; assembling the conductive bevel plug, a molybdenum pillar, a magnesium oxide tube, a magnesium oxide sample chamber, a magnesium oxide octahedron and a calibration standard material, placing a resulting system in the large-volume press, and subjecting the resulting system to a large-volume press pressure correction experiment.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 27, 2025
    Applicant: Jilin University
    Inventors: Kuo HU, Xinyu ZHAO, Ran LIU, Dan XU, Di YAO, Saisai WANG, Jinze HE, Zhaodong LIU, Bingbing LIU
  • Patent number: 12246569
    Abstract: An in-corner modular electric wheel system integrating adjustable king pin and king pin type steering unit includes a wheel assembly, a steering system, a king pin inclination adjusting system and a suspension system. The wheel assembly is configured to support a load of a vehicle, transmit a driving torque and determine a toe angle and a camber angle. The steering system is a king pin type steering system, and is configured for an omni-directional independent wheel steering. The king pin inclination adjusting system is sleeved on the king pin, and is configured to adjust an inclination of the king pin without changing the camber angle. The suspension system has an unequal-length double-wishbone suspension structure, and is provided with a coil spring and a shock absorber to mitigate road impacts and improve ride comfort.
    Type: Grant
    Filed: August 8, 2024
    Date of Patent: March 11, 2025
    Assignee: Jilin University
    Inventors: Junnian Wang, Yitong Wang, Zidong Zhou, Siqing Wang
  • Patent number: 12245944
    Abstract: Disclosed is a method for preparing a heterogeneous metal composite structure for medical implantation, including the steps of: step 1, preparing titanium alloy powder into a porous skeleton according to different printing strategies; step 2, filling magnesium after being melted into pores of the porous skeleton; and step 3, cooling a titanium-magnesium interpenetrating phase composite structure prepared in step 2 to room temperature, and covering a surface of the titanium-magnesium interpenetrating phase composite structure with a hydroxyapatite coating. In the present disclosure, a porous lattice dot-array structure of titanium alloy is used as a skeleton, and the skeleton pore is filled by pressureless infiltration of magnesium or hot isostatic pressure.
    Type: Grant
    Filed: August 21, 2024
    Date of Patent: March 11, 2025
    Assignee: Jilin University
    Inventors: Zhenglei Yu, Renlong Xin, Haojie Chi, Delong Gao, Zezhou Xu, Yunting Guo, Long Ma, Yanan Yang, Pengwei Sha, Jincheng Wang, Xin Zhao, He Liu
  • Patent number: 12240470
    Abstract: Provided is a method for driving behavior modeling based on spatio-temporal information fusion, relating to the field of driving behavior simulations. The method includes: constructing a driving behavior model, where the driving behavior model includes a spatial information encoding network, a temporal information encoding network, a feature fusion network, and a feature decoding network, with the feature fusion network being connected to both the spatial information encoding network and the temporal information encoding network, and the feature decoding network being connected to the feature fusion network; determining a future trajectory sequence of a target main vehicle at future time points based on the trained driving behavior model according to spatial information and temporal information of the target main vehicle, where the target main vehicle is controlled to travel according to the future trajectory sequence at the future time points.
    Type: Grant
    Filed: October 2, 2024
    Date of Patent: March 4, 2025
    Assignee: Jilin University
    Inventors: Hong Chen, Huihua Gao, Ting Qu, Yunfeng Hu, Xun Gong
  • Patent number: 12202222
    Abstract: A controllable rapid pressure loading technology for a large volume press is provided. A regular octahedra, plugs, diamond pistons, and a standard are included. The regular octahedra is provided with a cavity with openings at two ends of the cavity. The standard is placed in the cavity. The openings at two ends of the cavity are respectively blocked by the conductive plugs. The diamond piston is arranged between the standard and the plug. The diamond pistons arranged between the standard and the plug has high hardness and has the pressure transmission efficiency superior to that of a common ceramic plug, improving compression efficiency in sample cavity. A loading method of pre-charging a pressure to a pressure loading device first and then rapidly releasing to a pressure loading mold is used to match an improved pressure transmission component, which shortens the pressure loading time of the sample cavity.
    Type: Grant
    Filed: August 8, 2024
    Date of Patent: January 21, 2025
    Assignee: Jilin University
    Inventors: Zhaodong Liu, Kuo Hu, Ran Liu, Shucheng Liu, Di Yao, Xiaoming Zhang, Qiang Zhou, Bingbing Liu
  • Patent number: 12202680
    Abstract: Disclosed is a clamping device having an automatic direction adjustment function in a vehicle body welding conveying line, including a conveying frame. A driving motor is fixedly connected to a side wall of the conveying frame, and an output shaft end of the driving motor is fixedly connected to a rotating shaft I. The present disclosure facilitates the adjustment of a direction when vehicle bodies to be welded are conveyed on a turning conveying line, and vehicle bodies being conveyed can be corrected to the same horizontal state, to avoid a situation where the clamping device on the conveying line cannot smoothly clamp inclined vehicle bodies for conveying because the vehicle bodies cannot be in the same horizontal plane when being put in.
    Type: Grant
    Filed: September 13, 2024
    Date of Patent: January 21, 2025
    Assignee: Jilin University
    Inventors: Zhenglei Yu, Bo Liu, Yiwen Zhang, Long Ma, Lidong Gu, Lei Dong, Shouxin Ruan, Xin Li, Zezhou Xu, Yunting Guo, Linsen Song, Jingru Liu, Zhouyuan Liu
  • Patent number: 12187820
    Abstract: An acrylate-based single-chain nanoparticle is disclosed, which includes 10-20 parts of methacrylic acid, 1-2 parts of tetramethylguanidine and 1-2 parts of halohydrocarbon. The scheme provided by the disclosure establishes a “meta template” for synthesizing various single-chain nanoparticles, unifies the preparation method of the polyacrylate, simultaneously carries out high-concentration preparation in an aqueous phase only through ultraviolet irradiation, which reduces the production cost, reduces the carbon emission in production, and provides possibility for the industrialized production of the polyacrylate-based single-chain nanoparticle.
    Type: Grant
    Filed: July 25, 2024
    Date of Patent: January 7, 2025
    Assignee: Jilin University
    Inventors: Hujun Qian, He Zhang
  • Patent number: 12133889
    Abstract: Disclosed are a metal aluminum nano-adjuvant, a vaccine composition and a preparation method therefor and a use thereof. The vaccine adjuvant comprises metal aluminum nanoparticles, and can be used as a candidate adjuvant for preventive vaccines and therapeutic vaccines for various diseases such as infections, autoimmune diseases and tumors. The combined use of the vaccine adjuvant provided by the present disclosure and antigen can effectively enhance the humoral immune response and the cellular immune response of the vaccine, and the enhancement effect is significantly better than that of the commercially available aluminum hydroxide adjuvant.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: November 5, 2024
    Assignee: Jilin University
    Inventors: Kun Liu, Hua Yu, Chenggong Yang, Tianmeng Sun, Ye Wang, Ge Zhu
  • Publication number: 20240358473
    Abstract: An endoscopic surgery platform includes a surgical bed and multiple surgical manipulators. Multiple surgical manipulators are arranged in a matrix on both sides of the surgical bed, and a positioning mechanism is arranged at the bottom of the surgical bed. The surgical manipulator can be stored at the bottom of the surgical bed through the positioning mechanism. The positioning mechanism includes a plurality of surgical manipulators positioned on the bottom of the surgical bed, a plurality of lateral moving pairs for moving along the length direction of the surgical bed, and multiple longitudinal moving pairs connected to the output end of multiple lateral moving pairs respectively and used to move along the width direction of the surgical bed. Longitudinal moving pair, lateral moving pairs and surgical manipulators are connected one by one.
    Type: Application
    Filed: September 29, 2023
    Publication date: October 31, 2024
    Applicants: Jilin University, Jilin Jinbohong Intelligent Technology Co., LTD.
    Inventors: Mei FENG, Yanlei GONG, Yongkang LI, Xiuquan LU, Kewen SONG, Chao WANG, Jinhui LI, Jiaqi REN, Hengyue SU, Shijie LIU
  • Patent number: 12077182
    Abstract: Provided are a longitudinal and lateral integrated moving horizon decision making method and apparatus for an autonomous vehicle in a snowy and icy environment based on trajectory prediction, with an aim of reducing the complexity of planning a lane-changing trajectory. The method includes: screening out at least one obstacle, planning a lane-changing trajectory according to the at least one obstacle, establishing a decision making model according to the lane-changing trajectory, and controlling the autonomous vehicle by designing a longitudinal and lateral integrated moving horizon decision making controller according to the decision making model. Further provided are a longitudinal and lateral integrated moving horizon decision making apparatus for an autonomous vehicle in a snowy and icy environment based on trajectory prediction and a storage medium.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 3, 2024
    Assignee: Jilin University
    Inventors: Hongyan Guo, Qikun Dai, Jun Liu, Fang Xu
  • Patent number: 12030777
    Abstract: The invention relates to a millimeter-sized bulk spa amorphous carbon material and a method of preparing the same, and the method comprises a step of performing a high-temperature and high-pressure (HTHP) treatment on C60 powder at a temperature of 450-1100° C., preferably 700-1000° C., more preferably 900-1000° C., and most preferably 1000° C., and a pressure of 20-37 GPa, preferably 20-30 GPa, and most preferably 27 GPa, so as to obtain the millimeter-sized bulk sp3 amorphous carbon material. The sp3 carbon content in the amorphous carbon material is adjustable by changing the temperature and pressure conditions, so that the sp3 content is greater than 80%, and the sp3 content of high-quality samples is close to 100%. The optical band gap and thermal conductivity of the series of amorphous carbon materials can be effectively adjusted. The obtained series of amorphous carbon materials have ultra-high hardnesses, high thermal conductivities, adjustable band gaps (1.90-2.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: July 9, 2024
    Assignee: Jilin University
    Inventors: Bingbing Liu, Mingguang Yao, Yuchen Shang, Zhaodong Liu, Jiajun Dong
  • Publication number: 20240216966
    Abstract: The present disclosure relates to a groundwater circulation well group and a circulation mode control method therefor. The groundwater circulation well group includes at least two multi-filter-layer groundwater circulation wells, multiple pumping/injection assemblies, and a control module. The at least two multi-filter-layer groundwater circulation wells are arranged in order along a groundwater flow direction. A wellbore of each multi-filter-layer groundwater circulation well is separated by at least two first packers to form three pumping/injection sections, and each pumping/injection section is internally provided with at least one pumping/injection assembly for water pumping/injection. The water pumping and/or water injection of the pumping/injection assembly is controlled by the control module. A pipe wall of each pumping/injection section is provided with a perforated water pumping/injection screen section.
    Type: Application
    Filed: August 11, 2023
    Publication date: July 4, 2024
    Applicant: Jilin University
    Inventors: Rui ZHOU, Shujun DONG, Zhang FANG, Hejun REN
  • Patent number: 12004956
    Abstract: An acetabular reconstruction prosthesis with a piling-cup system is provided, which includes an iliac posterior pile screw, an iliac anterior pile screw, a pubic pile screw, an ischial pile screw, abutments, a 3D (three-dimensional) printed porous titanium mesh cup, locking screws, nuts, and tail cap screws. Four pile screws are the iliac posterior pile screw facing posterior of the ilium, the iliac anterior pile screw facing iliac tubercle, the ischial pile screw running along ischium ramus, and the pubic pile screw running along pubic ramus. A stable prothesis support system is formed in the acetabular reconstruction prosthesis with a piling-cup system, which conforms to the biomechanical characteristics of physiological pelvis, reduces the risk of prosthesis loosening and dislocation, and improves long-term stability of the prosthesis through biological fixation.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: June 11, 2024
    Assignee: Jilin University
    Inventors: Jincheng Wang, Xin Zhao, He Liu, Rongqi Zhou, Yue Lu
  • Patent number: 11963997
    Abstract: The present disclosure provides an anti-tumor polypeptide Bax-BH3, a fluorescent polymeric nanomicelle, a preparation method and use thereof, belonging to the technical field of medicines. The anti-tumor polypeptide Bax-BH3 has an amino acid sequence set forth in SEQ ID No: 1; the fluorescent polymeric nanomicelle includes the anti-tumor polypeptide Bax-BH3 and a polymer carrier; and the polymer carrier is a block copolymer RGD-PHPMA-b-Poly(MMA-alt-(Rhob-MA)). In the present disclosure, the anti-tumor polypeptide Bax-BH3 has desirable biocompatibility and biological activity; and the fluorescent polymeric nanomicelle encapsulates the anti-tumor polypeptide Bax-BH3 by the block copolymer RGD-PHPMA-b-Poly(MMA-alt-(Rhob-MA)), with high encapsulation rate and drug loading, and good release performance.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: April 23, 2024
    Assignee: Jilin University
    Inventors: Li Xu, Yi Guo, Sijun Huang, Xi Zhang, Mingming Zhang
  • Publication number: 20240083428
    Abstract: A reinforcement learning algorithm-based predictive control method for lateral and longitudinal coupled vehicle formation includes S1, combining a 3-DOF vehicle dynamics model that takes into account a nonlinear magic formula tire model with a lane keeping model and establishing a vehicle formation model; S2, constructing a distributed control framework and designing a local predictive controller for each following vehicle based on the vehicle formation model under the control framework; S3, using a reinforcement learning algorithm to solve the optimal control strategy of the local predictive controller, and applying the optimal control strategy to the target following vehicle. The present application completes the lateral and longitudinal coupled modeling of vehicle formation and considers the nonlinear characteristics of tires. In addition, the present application also transforms the global optimization problem of vehicle formation into a local optimization problem of each following vehicle.
    Type: Application
    Filed: July 13, 2023
    Publication date: March 14, 2024
    Applicant: Jilin University
    Inventors: Shuyou YU, Yunyong LI, Yangyang FENG, Encong SHENG, Baojun LIN, Hong CHEN
  • Patent number: 11859704
    Abstract: A four-mode dual-motor coupled electric drive axle, including a primary drive motor, an auxiliary drive motor, a reducer, a torque vectoring (TV) coupler, a power coupling differential, a housing, and a power output mechanism. The TV coupler is switchable among disconnected mode, TV mode, and reducer mode by controlling a first clutch and a second clutch. The power coupling differential is switchable between torque coupling mode and speed coupling mode by controlling a third clutch. The electric drive axle is switchable among single-motor drive mode, TV drive mode, dual-motor torque coupling drive mode, and dual-motor speed coupling drive mode by controlling the TV coupler and the power coupling differential.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: January 2, 2024
    Assignee: Jilin University
    Inventors: Junnian Wang, Changyang Guan, Tianhui Zheng, Chunlin Zhang, Zhe Liu, Zidong Zhou, Shoulin Gao
  • Patent number: 11826744
    Abstract: The present disclosure provides a near-infrared (NIR) photothermal catalyst and a preparation method and use thereof. The method includes: mixing a graphene oxide (GO) dispersion and a dehydrating agent to obtain a GO solution; mixing the GO solution and branched polyethyleneimine (PEI) and then drying to obtain a GO-PEI carrier; and mixing the GO-PEI carrier with water and adjusting a pH value to be within a range of 2 to 4.5, adding dropwise a monosubstituted Keggin-type polyoxometalate (POM) aqueous solution, and conducting an ion replacement reaction to obtain the NIR photothermal catalyst, wherein a solute of the monosubstituted Keggin-type POM aqueous solution is K6SiW11Co(H2O)O39 or H4SiW11Ce(H2O)4O39.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: November 28, 2023
    Assignee: Jilin University
    Inventors: Lixin Wu, Xiaofei Chen, Bao Li
  • Patent number: 11752862
    Abstract: A dual-mode electric drive axle with torque parallel coupling and torque vectoring, including: a main motor, an auxiliary motor, a spur gear differential, a first half shaft, a second half shaft, a primary reducer, a secondary reducer, a dual-planetary gear set mechanism, a first clutch, a second clutch and a primary housing. The main motor and the auxiliary motor are respectively connected to input ends of the primary reducer and the secondary reducer. Output ends of the primary reducer and the secondary reducer are respectively connected to a housing of the spur gear differential and a gear ring of the dual-planetary gear set mechanism. A planet carrier of the dual-planetary gear set mechanism is connected to a sun gear through a first clutch, and a gear ring through a second clutch. A characteristic parameter of the dual-planetary gear set mechanism is 2.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: September 12, 2023
    Assignee: Jilin University
    Inventors: Junnian Wang, Chunlin Zhang, Changyang Guan, Zhe Liu, Shoulin Gao