公开(公告)号：US20150036541A1

公开(公告)日：2015-02-05

申请号：US14448595

申请日：2014-07-31

Applicant: Tsinghua University ,  Beijing Institute of Technology

Inventor： Ke Xu ,  Meng Shen

IPC: H04L12/24

CPC classification number: H04L41/0226 ,  H04L41/04 ,  H04L41/0896 ,  H04L41/12

Abstract: An inter-domain virtual network mapping method, an inter-domain virtual network and an inter-domain virtual network mapping system are provided. The method comprises: receiving an inter-domain virtual network request; obtaining a latest physical network architecture information of each of N network domains; calculating an optimized mapping solution according to the latest physical network architecture information of the N network domains to divide an inter-domain virtual network into N virtual sub-networks, each virtual sub-network corresponding to one of the N network domains; sending each virtual sub-network to a corresponding network domain thereof and performing a mapping in each network domain; initializing SUM=0, and updating SUM according to a result of the mapping in each network domain; determining whether SUM is equal to N; if yes, instructing each network domain to distribute a physical network source for the inter-domain virtual network request; and if no, instructing each network domain to undo any procedure.

Abstract translation: 提供域间虚拟网络映射方法，域间虚拟网络和域间虚拟网络映射系统。 该方法包括：接收域间虚拟网络请求; 获取每个N个网络域的最新物理网络架构信息; 根据N个网络域的最新物理网络架构信息计算优化的映射解决方案，将域内虚拟网络划分为N个虚拟子网，每个虚拟子网对应于N个网络域中的一个; 将每个虚拟子网络发送到其对应的网络域，并在每个网络域中执行映射; 初始化SUM = 0，并根据每个网络域中映射的结果更新SUM; 确定SUM是否等于N; 如果是，则指示每个网络域分配用于域间虚拟网络请求的物理网络源; 如果没有，则指示每个网络域撤销任何过程。

公开(公告)号：US12242286B1

公开(公告)日：2025-03-04

申请号：US18808657

申请日：2024-08-19

Applicant: Beijing Institute of Technology

Inventor： Shida Nie ,  Yujia Xie ,  Zhihao Liao ,  Hui Liu ,  Lijin Han ,  Congshuai Guo

IPC: G06V10/50 ,  G05D1/246 ,  G05D1/644 ,  G06V20/13 ,  G05D107/30

Abstract: Provided are a method, system and device for global path planning for an unmanned vehicle in an off-road environment. The method includes: obtaining satellite elevation data and a satellite remote sensing image of a current off-road environment; constructing a digital elevation model (DEM); determining slope and land surface relief of each grid in the current off-road environment; performing gray processing on the satellite remote sensing image to obtain grayscale values of the grids; determining traversal costs of the grids corresponding to different ground types; constructing a global grid map based on the slope and the land surface relief of each grid, as well as the traversal costs corresponding to the different ground types; determining a rugged terrain potential field and path costs; and searching for paths using a Bresenham's line algorithm and Theta* algorithm based on the rugged terrain potential field and the path costs, to generate a global path.

公开(公告)号：US20240408825A1

公开(公告)日：2024-12-12

申请号：US18646737

申请日：2024-04-25

Applicant: BEIJING INSTITUTE OF TECHNOLOGY

Inventor： Weidong SONG ,  Lijun XIAO ,  Genzhu FENG

IPC: B29C64/386 ,  B33Y50/00

Abstract: Disclosed is a method for designing a gradient minimal surface structure based on a surface density distribution. The method comprises initializing pending parameters of a two-dimensional surface equation and a minimal surface equation in a system; generating a plurality of pending parameter sets based on initial values and preset ranges of the pending parameters of the two-dimensional surface equation and the minimal surface equation using a CSPRNG; establishing a plurality sets of two-dimensional surface equations and a plurality sets of minimal surface equations; establishing a plurality of gradient structure equations; generating a plurality of three-dimensional models of minimal surface structures; making a plurality of gradient structure specimens by an additive manufacturing technique; obtaining a plurality sets of structure stress-strain curves and force-displacement curves by performing a test; calculating a platform stress and an energy absorption of the plurality of gradient structure specimens; and determining target structure types to realize an optimized design of the gradient minimal surface structure based on the surface density. The mechanical response stability and the energy absorption performance of the minimal surface structures can be improved.

公开(公告)号：US20240343869A1

公开(公告)日：2024-10-17

申请号：US18391698

申请日：2023-12-21

Applicant: Beijing Institute of Technology

Inventor： Weifu SUN

IPC: C08J5/04

CPC classification number: C08J5/0405 ,  C08J5/042 ,  C08J2363/00

Abstract: An epoxy resin laminate reinforced by carbon-basalt hybrid fibers and a manufacturing method therefor are provided. The manufacturing method includes: brushing an epoxy resin mixture by using a manual laying method, and laying carbon fiber felts and basalt fiber felts according to components and superposing modes to obtain superposed fiber felts after laying; placing the superposed fiber felts after laying into a vacuum bag, and evacuating air; and placing the superposed fiber felts after laying in a vulcanizing machine, heating the superposed fiber felts to a temperature required for a crosslinking reaction between epoxy resin and a curing agent by using a preset heating method, applying pressure by an upper die and a lower die to ensure that interiors of the superposed fiber felts are compact and surfaces are smooth, and keeping the temperature and the pressure to obtain the epoxy resin laminate reinforced by the carbon-basalt hybrid fibers.

公开(公告)号：US20240313877A1

公开(公告)日：2024-09-19

申请号：US18671150

申请日：2024-05-22

Applicant: SHENZHEN AUTOMOTIVE RESEARCH INSTITUTE, BEIJING INSTITUTE OF TECHNOLOGY (SHENZH

Inventor： Chao Sun ,  Guodong Yang ,  Bing Lu ,  Bo Wang ,  Shijia Song ,  Chunxia Zhang ,  Wenyi Huang ,  Wenwei Wang

IPC: H04J3/06 ,  H04L67/12

CPC classification number: H04J3/0638 ,  H04L67/12

Abstract: Embodiments of the present application disclose a multi-sensor trigger control method, apparatus and device, and a storage medium, and relate to the technical field of sensors. The method includes: acquiring a target output frequency and an output phase set; determining, according to the output phase set and a preset value, an initial value and an overflow value of a counter corresponding to each phase in the output phase set; calculating a reference frequency according to the overflow value and the target output frequency; detecting, according to a received input signal and an output signal corresponding to the reference frequency, whether a phase alignment condition is met; and if the phase alignment condition is met, performing multi-sensor trigger through a trigger control method according to the overflow value and the initial value. By means of the embodiments of the present application, the trigger moment can be flexibly adjusted.

公开(公告)号：US12078234B2

公开(公告)日：2024-09-03

申请号：US17482183

申请日：2021-09-22

Applicant: Beijing Institute of Technology

Inventor： Qiang Huang ,  Xuxiao Fan ,  Richeng Huang ,  Gao Huang ,  Jingping Liao ,  Zhangguo Yu ,  Xingzhong Liu ,  Yuyu Zuo

IPC: F16H55/06 ,  B22F5/08 ,  B25J9/10 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00

CPC classification number: F16H55/06 ,  B22F5/08 ,  B25J9/102 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00

Abstract: A reducer gear for robot includes an outer contour layer and a reticulated porous base layer cladded by the outer contour layer; the outer contour layer comprises a mounting surface layer, a tooth surface layer, and a connecting surface layer connected between the mounting surface layer and the tooth surface layer and forming a complete gear outer contour together with the mounting surface layer and the tooth surface layer; the mounting surface layer, the tooth surface layer and the connecting surface layer are compact structures; the reticular porous base layer is located in a cavity formed by the outer contour layer, and fiber trabeculae in a porous grid structure are provided in the reticular porous base layer.

公开(公告)号：US20240180832A1

公开(公告)日：2024-06-06

申请号：US18512034

申请日：2023-11-17

Applicant: BEIJING INSTITUTE OF TECHNOLOGY

Inventor： Yuanyu HUANG ,  Jinyu HUANG ,  Bo HU

IPC: A61K9/127 ,  A61K48/00 ,  A61P3/06 ,  C07C233/05

CPC classification number: A61K9/127 ,  A61K48/0016 ,  A61P3/06 ,  C07C233/05

Abstract: A compound, a liposome, a method for preparing a liposome, a drug carrier, a pharmaceutical composition and a use of the pharmaceutical composition in the treatment or prevention of hyperlipidemia and related diseases thereof.

公开(公告)号：US11959970B2

公开(公告)日：2024-04-16

申请号：US18300116

申请日：2023-04-13

Applicant: Beijing Institute of Technology

Inventor： Huixing Meng ,  Mengyao Geng ,  Cheng Wang ,  Jinduo Xing

IPC: G01R31/387 ,  G01R31/367

CPC classification number: G01R31/387 ,  G01R31/367

Abstract: One or more embodiments of the present specification provide a method and device for capacity degradation prediction of a lithium-ion battery. The method comprises the following steps: acquiring an original battery discharge capacity; decomposing the original battery discharge capacity through a predetermined mode decomposition method to obtain battery discharge capacities composed of a plurality of different frequency signals; inputting the respective frequency signals into a pre-constructed capacity prediction model to obtain capacity prediction results corresponding to the respective frequency signals; selecting capacity prediction result that satisfies a predetermined relevance condition corresponding to the respective frequency signals; and reconstructing the finally predicted battery discharge capacity according to the capacity prediction result that satisfies the predetermined relevance condition.

公开(公告)号：US11951343B1

公开(公告)日：2024-04-09

申请号：US18520483

申请日：2023-11-27

Applicant: BEIJING INSTITUTE OF TECHNOLOGY

Inventor： Zhiyue Han ,  Cheng Wang ,  Xinrui Zhang

IPC: A62C35/02 ,  A62C35/10

CPC classification number: A62C35/023 ,  A62C35/10

Abstract: A temperature-sensitive automatic rapid gas generation fire extinguishing device is provided, including a box body; a plurality of heat absorption fire extinguishing units are placed on an inner side wall of the box body, and a first trigger unit is arranged between one of the heat absorption fire extinguishing units close to the first baffle and the inner side wall of the box body; the one of the heat absorption fire extinguishing units triggers the first baffle to move down through the first trigger unit, and a relatively closed space is formed in the box body; a plurality of gas generation fire extinguishing units are placed on an inner side wall of the box body, and a second trigger unit is arranged between one of the gas generation fire extinguishing units close to the second baffle and the inner side wall of the box body.

公开(公告)号：US20240091875A1

公开(公告)日：2024-03-21

申请号：US18353160

申请日：2023-07-17

Applicant: BEIJING INSTITUTE OF TECHNOLOGY

Inventor： Chunguang Xu ,  Wenjun Zhang ,  Bo Yang ,  Wenkai Li

IPC: B23K20/10 ,  B22F12/00 ,  B22F12/30

CPC classification number: B23K20/10 ,  B22F12/226 ,  B22F12/30 ,  B33Y30/00

Abstract: A multi-source self-adaptive low-stress additive manufacturing apparatus including a multi-axis manipulator additive manufacturing system, a high-energy sound beam regulation system, a substrate and a self-adaptive additive manufacturing workbench. The multi-axis manipulator additive manufacturing system includes multi-axis manipulator(s), welding torch(es), manipulator controller(s) and a guide rail, where base(s) of the multi-axis manipulator(s) is connected with the guide rail, the welding torch(es) is held by distal end(s) of the multi-axis manipulator(s), the multi-axis manipulator(s) is controlled by the manipulator controller(s) to move the welding torch(es) to conduct low-stress additive manufacturing on the workpiece to be additive manufactured. The high-energy sound beam regulation system includes one or more high-energy sound beam exciters, each having a high-energy sound beam excitation unit and a titanium alloy special adiabatic amplitude transformer so as to realize the regulation of residual stress generated in the additive manufacturing process of the workpiece.