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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 16. Отображено 16.
15-04-2015 дата публикации

SDN (software defined network) environment based reliable multicast data transport method

Номер: CN104518973A
Автор: WANG FANG, FENG DAN, ZHU TINGWEI, SHI QINGYU, WAN YONG
Принадлежит:

The invention discloses an SDN (software defined network) environment based reliable multicast data transport method. An SDN network controller monitors current network conditions in real time, a sending end and receiving ends are connected by three-time handshaking before data transmission, the sending end appoints the receiving ends during connection establishment, the SDN network controller generates a multicast forwarding tree, the sending end sends data after connection establishment, the data are transmitted to each receiving end by means of multicasting, each receiving end sends a confirmation message to the sending end after receiving the data to guarantee reliability in data transmission, and the sending end maintains congestion windows to perform congestion control during data transmission so as to guarantee TCP (transmission control protocol) friendliness. The SDN environment based reliable multicast data transport method is excellent in flexibility and safety, optimal transmission ...

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Номер записи: 1
08-03-2017 дата публикации

Seamless connection's protection network

Номер: CN0206000193U
Автор: SHI QINGYU, HAN WENBIN
Принадлежит: JIANGSU JUSDO BUILDING TECH CO LTD, JIANGSU JUSDO BUILDING TECHNOLOGY CO., LTD.

The utility model provides a seamless connection's protection network, including the dictyosome, still include the bracing piece, the draw -in groove is seted up to the both sides of bracing piece, the both sides limit fixed connector of dictyosome, the connecting piece with the connection can be dismantled to the draw -in groove, couples together the dictyosome through the bracing piece. The utility model discloses in, the bracing piece can directly use as the trick frame, or sets up on putting up parallel position with the trick. At the side fixed connector of dictyosome, insert the draw -in groove on the bracing piece with the connecting piece in, the whole side that makes the dictyosome all with bracing piece zonulae occludens, make not have gap, the security that improves the protection network after connecting between the dictyosome of two connections.

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Номер записи: 2
14-07-2023 дата публикации

T-beam workshop equipment resource allocation method and system, production optimization method and system and storage medium

Номер: CN116432992A
Автор: WANG JINGFENG, MAO JIAYUE, LIU YONG, WANG BO, YU JINGYU, SHI QINGYU
Принадлежит:

The invention relates to the technical field of workshop scheduling, in particular to a T-beam workshop equipment resource allocation method and system, a production optimization method and system and a storage medium. According to the T-beam workshop equipment resource configuration optimization method provided by the invention, an equipment resource configuration optimization model is constructed under a determined constraint condition, and the model is solved by combining an improved differential evolution algorithm of a self-adaptive mutation operator on the basis of a double-mutation strategy. Through combination of variation individuals and test individuals, parent double-layer variation is realized, population diversity can be guaranteed, premature convergence is avoided, local optimum is avoided, and a global optimal solution is guaranteed.

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Номер записи: 3
27-06-2023 дата публикации

Vehicle-mounted network data processing method and device based on federated learning, equipment and medium

Номер: CN116346863A
Автор: CHEN XIAOHONG, XU GUANYING, SHI QINGYU, XU XUESONG, LI XIAOLONG, HU DONGBIN
Принадлежит:

The invention discloses a vehicle-mounted network data processing method and device based on federated learning, equipment and a medium, and the method comprises the steps: constructing a hierarchical structure of a vehicle-mounted network according to historical communication message data and hardware configuration information of each node; for each basic layer, grouping based on the vehicle feature information corresponding to the node to obtain at least two basic groups; for each basic group, deploying an intra-group message queue to obtain a target group; associating and distributing each vehicle identifier in the vehicle-mounted network to a target group; performing intra-group local federation learning, and performing aggregation updating on the local model of each node in the target group to obtain an updated local global model; and taking each target group as a center, performing global learning by adopting the updated local global model corresponding to each center to obtain a ...

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Номер записи: 4
05-04-1995 дата публикации

Coating for woolen surface and preparation technology

Номер: CN0001101063A
Автор: QINGSHAN GAO, SUQIANG DU, QINGYU SHI, GAO QINGSHAN, DU SUQIANG, SHI QINGYU
Принадлежит:

The present invention relates to a decorative coating for buildings and the preparation method thereof. The coating for inner and exterior walls can be obtained by using water-soluble compound as matrix, adding definite amount of stuffing, assistants and pigment and passing through grinding, agitating and dispersing. Because of adding coal ash floating balls,t he coating has good down-like and stereo looking. the invention has the advantages of no-odour, no harm to human body, no pollution, safety and reliability.

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Номер записи: 5
04-07-2023 дата публикации

Unmanned vehicle trajectory tracking control method and system, computer equipment and storage medium

Номер: CN116382289A
Автор: HUANG XIA, SHI QINGYU, WANG ZHEN
Принадлежит:

The invention belongs to the technical field of unmanned vehicle trajectory tracking control, and discloses an unmanned vehicle trajectory tracking control method and system, computer equipment and a storage medium. According to the method, two main problems of dynamic linearization of iterative learning control and controller solution are converted into structural design and self-training/self-learning problems of the neural network completely based on input and output data of the unmanned vehicle, and the difficulty of design of the method is greatly reduced. According to the invention, the relationship between the input and output information of the two neural networks is established through the parameter estimation cost function and the control gain cost function, so that the method has universality and expandability. In addition, the tracking performance of the unmanned vehicle system is improved by means of the firm fitting capability of the neural network. According to the method ...

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Номер записи: 6
27-06-2023 дата публикации

Host end load balancing method for self-adaptive burst traffic

Номер: CN116346726A
Автор: SHI QINGYU, CHEN FENGYING, ZHANG XINYU, LI XIAOCUI
Принадлежит:

The embodiment of the invention provides a self-adaptive burst traffic host load balancing method, which belongs to the technical field of telecommunication, and specifically comprises the following steps: step 1, when a TCP (Transmission Control Protocol) data packet sent by an upper-layer application passes through a Hypervisor layer and enters a host load balancing system, the host load balancing system is started; the flow monitoring module carries out Hash calculation according to source and destination IP addresses and source and destination port numbers of the TCP header field to obtain a data stream number and takes the data stream number as a primary key to establish a data stream mapping table; 2, the traffic monitoring module calculates the congestion degree of each transmission path according to a preset formula, distributes a path number for each transmission path, and constructs a path congestion mapping table in combination with one-way transmission delay; 3, the flow monitoring ...

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Номер записи: 7
18-07-2023 дата публикации

Automatic welding machine for stainless steel air pipe

Номер: CN116441793A
Автор: SHI QINGYU, HAN ZHENGLONG, JIANG XU
Принадлежит:

The invention belongs to the technical field of automatic welding, and particularly relates to a stainless steel air pipe automatic welding machine which comprises a first fixing frame, a pipe rotation driving mechanism, a driving shaft, a second fixing frame, a driven shaft, a limiting plate, an inner supporting device, a shaft synchronous rotation butt joint assembly, a first pipe pushing driving mechanism, a second pipe pushing driving mechanism and a welding mechanism. The inner supporting devices are correspondingly installed on the driving shaft and the driven shaft through inner support assemblies, and the inner supporting devices are used for internally supporting and fixing the first air pipe and the second air pipe. The air duct clamping device can automatically support and fix an air duct from the interior of the air duct, is high in clamping efficiency, abandons a traditional external clamping mode, is small in occupied space of the rack, greatly improves the space utilization ...

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Номер записи: 8
13-08-2014 дата публикации

Thick plate stirring friction welding technology

Номер: CN103978304A
Автор: SHI QINGYU, LI HAN, WU JIANJUN
Принадлежит:

The invention relates to a thick plate stirring friction welding technology used for butt welding of large-thickness plates. The thick plate stirring friction welding technology comprises the following steps that (1) symmetric stepped grooves are formed in the edges to be welded of two large-thickness plates to be welded, wherein the width of each step is larger than the radius of a stirring head, the height of each step is smaller than the limit depth of single-face welding, and the thickness of the portion, at the bottom of each groove, of the corresponding plate is smaller than the limit depth of single-face welding; (2) the bottom of each groove is welded through stirring friction single-face welding and a plurality of concave pits enlarged gradually from bottom to top are formed in the opposite grooves of the two plates; (3) embedded strips made of materials identical to that of the plates are embedded in the lowest concave pits, wherein the width of each embedded strip is equal to ...

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Номер записи: 9
27-08-2008 дата публикации

Solid-state processing method for producing lamina profunda, agglomerate body, macrography spectrum composite material

Номер: CN0101250700A
Автор: SHI QINGYU, WANG WEI, QINGYU SHI, WEI WANG
Принадлежит:

The invention discloses a solid processing method for preparing deep composite materials with bulk mass in the macroscopic range which belongs to the range of preparing composite materials. The method comprises following steps: adding original reinforcing materials, reinforcing material vectors and material powder which is reacted with matrix materials on a matrix material plate which is manufactured, rotatablely enabling a stir tool to be connected with a workpiece which is manufactured with high speed, pressing the stir tool into the surface of the workpiece with certain downforce, pressing the stir tool on materials which are added once or a plurality of times with certain moving speed after workpiece materials around the stir tool are softened sufficiently, thereby dispersedly dispersing the materials which are added into the matrix materials under the effect of the stir tool, finally realizing metallurgical bonding between a reinforced phase and matrix metal, and preparing the composite ...

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Номер записи: 10
02-09-2015 дата публикации

Method for computing stable bearing capacity of columns with linear variable cross sections under consideration of space effects

Номер: CN104881565A
Автор: WANG DAHAI, SHI QINGYU, YUAN LIMING
Принадлежит:

The invention discloses a method for computing the stable bearing capacity of columns with linear variable cross sections under the consideration of space effects. Accurate buckling analysis on characteristic values of finite elements of large spaces is used as a tool, the method is based on elastic stability theories, existing stability design formulas for design specifications of shuttle-shaped steel columns are comprehensively utilized, a process for computing design computed lengths of the conical columns of steel pipes and integral steps and the integral method for computing the stable bearing capacity under the consideration of the integral space effects are provided, and computing processes and support are provided for reasonably verifying and designing the conical steel columns. The method has the advantages of important engineering practical value and obvious social benefit.

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Номер записи: 11
09-12-2009 дата публикации

Material model influenced by weld thermal cycle and establishment method thereof

Номер: CN0101599103A
Автор: SHI QINGYU, ZHANG ZENGLEI, YAN DONGYANG, WU AIPING, QINGYU SHI, ZENGLEI ZHANG, DONGYANG YAN, AIPING WU
Принадлежит:

The invention relates to a material model influenced by weld thermal cycle and an establishment method thereof. The invention is characterized in that material yield strength in the material model is defined as a function changing with temperature and the user-defined first group feature variable and second group feature variable; the first group feature variable is a 2-value function, and heating phase of the material in the weld thermal cycle is defined as 0, the cooling phase of the material in the weld thermal cycle is defined as 1; the second group feature variable is used for representing the performance changing degree of the material caused by the weld thermal cycle, the initial record value of the second group feature variable is 0, the variable of the record value is determined by the comparison result of the current temperature value of the incremental step and the original record value. The invention fully considers the influence of the weld thermal cycle on material mechanical ...

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Номер записи: 12
25-06-2014 дата публикации

Friction stir welding device

Номер: CN103878477A
Автор: SHI QINGYU, LI HAN, WANG RUIYAN, WU JIANJUN, ZHU YUCAN
Принадлежит:

The invention relates to a friction stir welding device. The friction stir welding device comprises a magnetic adsorption type automatic trolley carrying platform and a friction stir welding mechanism, wherein the magnetic adsorption type automatic trolley carrying platform comprises a supporting chassis, a rigid supporting block and multiple permanent magnet sets are arranged on the top surface of the supporting chassis, a pair of driving wheels are installed on the left side and right side of the supporting chassis, the top surface of the front end of the supporting chassis and the top surface of the rear end of the supporting chassis are respectively provided with a universal supporting wheel, a working chassis is arranged above the supporting chassis, multiple permanent magnet sets corresponding to the multiple permanent magnet sets on the top surface of the supporting chassis in a one-to-one mode are arranged on the bottom surface of the working chassis, multiple cylindrical rollers ...

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Номер записи: 13
21-10-2009 дата публикации

Method for analog calculation of welding value by taking temperature as control variable

Номер: CN0101559511A
Автор: SHI QINGYU, YAN DONGYANG, WU AIPING, ZHANG ZENGLEI, ZHAO HAIYAN, CAI ZHIPENG, LU ANLI, QINGYU SHI, DONGYANG YAN, AIPING WU, ZENGLEI ZHANG, HAIYAN ZHAO, ZHIPENG CAI, ANLI LU
Принадлежит:

The invention relates to a method for analog calculation of a welding value by taking temperature as a control variable, which comprises the following steps: 1) arranging welding temperature field distribution into a function of time and space: T(x, y, z,t)=f(x)f(y)f(z)f(t); 2) taking the obtained temperature distribution function T(x, y, z, t)=f(x)f(y)f(z)f(t) as a thermology boundary condition to add into a mechanics analysis model of a welding structure in a subprogram form; and 3) calculating the welding residual stress and the residual deformation of the model. The method converts the control variable in the welding simulation from heat to temperature, adds the proper temperature distribution in a sectional mode onto the mechanical analysis model for the analysis of stress and deformation, and can reduce the mechanical value analyzing time within 10 percent of the time used by a moving heat source method. The method can be widely used for welding welded structures with long welding ...

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Номер записи: 14
16-09-2015 дата публикации

Slimming light guide plate

Номер: CN0204650015U
Автор: SHI QINGYU
Принадлежит:

The utility model discloses a slimming light guide plate includes a body and an at least light emitting component. The body contains a last substrate, once substrate, an optics glue film and an income light incline, down the substrate provide in go up substrate one side, the optics glue film provide in go up between substrate and the lower substrate, go into the light side position in one side of body, light emitting component is located body one side. Wherein, the thickness of going up the substrate is between 11 mu m to between the 250 mu m, the thickness of lower substrate is between 11 mu m to between the 250 mu m, the thickness of optics glue film is between 5 mu m to between the 480 mu m.

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Номер записи: 15
26-10-2011 дата публикации

Material model influenced by weld thermal cycle and establishment method thereof

Номер: CN0101599103B
Автор: SHI QINGYU, ZHANG ZENGLEI, YAN DONGYANG, WU AIPING, QINGYU SHI, ZENGLEI ZHANG, DONGYANG YAN, AIPING WU
Принадлежит:

The invention relates to a material model influenced by weld thermal cycle and an establishment method thereof. The invention is characterized in that material yield strength in the material model is defined as a function changing with temperature and the user-defined first group feature variable and second group feature variable; the first group feature variable is a 2-value function, and heating phase of the material in the weld thermal cycle is defined as 0, the cooling phase of the material in the weld thermal cycle is defined as 1; the second group feature variable is used for representing the performance changing degree of the material caused by the weld thermal cycle, the initial record value of the second group feature variable is 0, the variable of the record value is determined by the comparison result of the current temperature value of the incremental step and the original record value. The invention fully considers the influence of the weld thermal cycle on material mechanical ...

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Номер записи: 16