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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 71. Отображено 71.
12-05-2023 дата публикации

Construction method of large-dip-angle inclined connected steel structure

Номер: CN116104187A
Автор: ZHU QIAN, XU HONGCHENG, LIU BOSHUN, GUAN QIAOYING, CHEN YONGLI, ZHAO YAN, ZHANG LIBIN, YU HOUJIN, WEN JUN, ZHAI DAPENG, SHI ZHIPING, WANG HONGWEI
Принадлежит:

The invention relates to the technical field of building structures, and discloses a construction method for a large-dip-angle inclined connected steel structure. The construction of the large-dip-angle inclined connection steel structure relates to a tower structure, a large-dip-angle inclined connection structure, a skirt room structure and a temporary supporting frame. The large-dip-angle inclined connection structure comprises an inclined connection bottom inclined beam, an inclined connection floor structure and an inclined connection top inclined beam. According to the installation method, the tower structure and the temporary supporting frame are firstly installed, then the large-dip-angle inclined connection structure is installed, in the installation process, the tower structure and the inclined connection bottom inclined beams are kept to be at least one layer ahead of the inclined connection floor structure, the inclined connection top inclined beams are sequentially installed ...

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Номер записи: 1
03-06-2011 дата публикации

VEHICLE DATA RECORDING DEVICE

Номер: WO2011063635A1
Автор: ZHAO, Guoping, CAI, Jingrong, LI, Ligong, ZHANG, Libin, WANG, Jianqiang, LI, Shizhi, WANG, Zhongfu, LIU, Weiyang
Принадлежит:

A vehicle data recording device includes a main processor (1) and an auxiliary processor (2). The main processor (1) is integrated with a controller local area network interface (11), a first RS485 interface (12) and a second RS485 interface (13), for obtaining traveling data from a rail vehicle by connecting the controller local area network interface (11) and/or the first RS485 interface (12) with the rail vehicle bus. The auxiliary processor (2) is integrated with a third RS485 interface (21) and a memory (22). The third RS485 interface (21) is connected with the second RS485 interface (13) of the main processor (1) through RS485 data lines, for receiving traveling data from the main processor (1) through RS485 data lines and storing the received traveling data in the memory (22).

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Номер записи: 2
25-07-2023 дата публикации

Soft switching modulation analysis method for double-active-bridge direct-current transformer

Номер: CN116488469A
Автор: FU SHOUQIANG, YANG LIN, JIANG YU, CHEN XIANGYU, WANG CHANG, ZHANG LIBIN, GUO HAO, XIAO LIN, AO CUILING, XIE JINGHAI, LIU SUYI, XU FANG, TIAN JINGYI, GAO YANG, FU YUHONG, TONG BINGBING, ZHAO KUANGYI, CHEN LEI, WANG SHOUPENG, SUN MI, GUO JIA, LU SHIHUA, SU DONGYU, XIAO WEI, XU YING, ZHANG JINWEI, LI DONGLIANG, LIU HONGYU
Принадлежит:

The invention provides a soft switching modulation analysis method for a double-active-bridge direct-current transformer, and belongs to the field of intelligent power distribution networks. The method comprises the following steps: adjusting and determining the phase shift amount of the direct-current transformer; controlling the voltage transformation ratio of the direct-current transformer according to the phase shift amount of the direct-current transformer; determining conditions for realizing soft switching according to the voltage transformation ratio and the phase shift amount of the direct-current transformer; and performing modulation analysis on the direct-current transformer under the soft switching of the direct-current transformer. The modulation analysis method provided by the invention can effectively analyze and compare power characteristics and loss characteristics of the dual-active direct current transformer under trapezoidal wave and triangular wave current modulation ...

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Номер записи: 3
02-05-2023 дата публикации

Low-temperature preservation solution for stichopus japonicus sperms, application and preservation method of stichopus japonicus sperms

Номер: CN116034992A
Автор: ZHANG LIBIN, XU SHUAI, LIU SHILIN, HUO DA, LIN CHENGGANG, SUN JINGCHUN, SUN LINA, YANG HONGSHENG
Принадлежит:

The invention belongs to the technical field of sperm preservation, and particularly relates to stichopus japonicus sperm low-temperature preservation liquid, application and a stichopus japonicus sperm preservation method. The low-temperature preservation solution is prepared by taking an isotonic buffer solution as a basic solution and then adding a mixed solution of fetal calf serum and mycillin. According to the method for combining the low-temperature short-term preservation technology and the ultralow-temperature freezing long-term preservation technology, the stichopus japonicus sperms can keep more than 70% of vitality within 4 days and keep more than 50% of vitality within 10 days under the preservation condition of 4 DEG C, and the frozen stichopus japonicus sperms with the vitality of more than 35% can be obtained by performing ultralow-temperature freezing preservation within 4 days of short-term preservation; the sperm short-term preservation operation in the method is simple ...

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Номер записи: 4
25-04-2023 дата публикации

Ethernet physical layer interface inner ring detection method

Номер: CN116016248A
Автор: ZHANG LIBIN, ZHANG LEI, MA ZHIMING
Принадлежит:

The invention provides an Ethernet physical layer interface inner ring detection method. The method comprises the following steps: connecting a line used for judging whether an inner ring occurs in an Ethernet interface corresponding to a DOI group; after the network equipment is powered on, after a necessary initialization function is executed, a performance function is executed before a network communication function is started, and then whether an inner ring occurs in an Ethernet interface line corresponding to the DOI group or not is judged. 1 is set for a DO port, data are read at DI ports, if the data read by one DI is 1, it is indicated that an inner ring occurs in an Ethernet interface line corresponding to the DOI group, a performance function records and reports inner ring fault information to a main controller, and then all IO ports are set to be in a high-resistance state. The judgment basis of the inner ring of the network interface is that the Tx + is communicated with the ...

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Номер записи: 5
16-02-2017 дата публикации

METHOD AND DEVICE FOR DETERMINING DATA TRANSMISSION PATH

Номер: WO2017024905A1
Автор: WANG, Hongxing, ZHANG, Libin
Принадлежит:

Disclosed are a method and device for determining a data transmission path, which relate to the technical field of communications and can save transmission resources. The method of the embodiments of the present invention comprises: a second access session boundary controller (ASBC) acquiring an encryption strategy of a first ASBC and an encryption strategy of the second ASBC; when the encryption strategy of the first ASBC and the encryption strategy of the second ASBC are the same, the second ASBC acquiring the type of negotiation information; the second ASBC judging whether the encryption strategy of the first ASBC and the type of the negotiation information satisfy a pre-set condition; and when the encryption strategy of the first ASBC and the type of the negotiation information satisfy the pre-set condition, the second ASBC determining that a first user equipment (UE) and a second UE perform data transmission via a target transmission path between the first UE and the second UE. The ...

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Номер записи: 6
04-08-2023 дата публикации

High-speed train fault-tolerant compensation control method based on neural network embedding

Номер: CN116534082A
Автор: LIU YUMEI, HAO ZIXU, LIU JINGZHUO, LIU MING, HU TING, ZHOU YANXUAN, XUE CHAOQUN, LIU PENGCHENG, XU GUAN, CHEN RONG, LIN HUIYING, DAI JIANGUO, SHAN HONGMEI, ZHANG LIBIN, CHEN HONGPENG
Принадлежит:

According to the high-speed train fault-tolerant compensation control method based on neural network embedding provided by the invention, the neural network controller is added on the basis of not changing the original controller, so that the control performance of the high-speed train and the effect of tracking an expected trajectory under a fault are improved. The method comprises the steps that a high-speed train dynamic model with actuator faults and unknown nonlinear disturbance is established; giving the position and speed of an expected trajectory, and establishing an expected trajectory model; verifying the original controller of the high-speed train to ensure that the original controller meets the Lyapunov stability; based on the obtained trajectory error, constructing a vector related to the control performance, selecting a proper vector function, and constructing a neural network related to the control performance and having an output greater than 0; based on the control performance ...

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Номер записи: 7
16-06-2016 дата публикации

METHOD FOR DETERMINING MEDIA CAPABILITIES AND CALL CONTROL NETWORK ELEMENT

Номер: WO2016091154A1
Автор: ZHANG, Libin
Принадлежит:

Disclosed are a method for determining media capabilities and a call control network element. The method according to the embodiments of the present invention comprises: a call control network element receives a call request from a calling side device (101); the call control network element acquires the media transmission state of at least one of the calling side device and a called side device in a call path (102); the call control network element determines, according to the media transmission state, a media capability when a session is established between the calling side device and the called side device (103). The embodiments of the present invention improve the session quality and provide excellent user experience.

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Номер записи: 8
09-05-2023 дата публикации

Molybdenum carbide PMMA coaxial nanotube coated lithium ion battery diaphragm and preparation method thereof

Номер: CN116093539A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU, CHEN CHAOHUI
Принадлежит:

The invention discloses a lithium ion battery diaphragm coated with a molybdenum carbide PMMA coaxial nanotube, the diaphragm comprises a base membrane and a coating layer adhered to one side or two sides of the base membrane, the base membrane is a polyolefin membrane, and the coating layer slurry is prepared by the following steps: firstly, mixing 0.7-1.2% by mass of a dispersant, 18-38% by mass of the molybdenum carbide PMMA coaxial nanotube, 10-20% by mass of a dispersing agent, 10-20% by mass of a dispersing agent, 10-20% by mass of a dispersing agent, 10-20% by mass of a dispersing agent, 10-20% by mass of a dispersing agent, 10-20% by mass of a dispersing agent, and 10-20% by mass of a dispersing agent; premixing in ultrapure water; respectively adding 2%-10% of a thickening agent, 1%-8% of a binder, 0.1%-0.5% of a wetting agent and 0.05%-0.25% of a defoaming agent, uniformly stirring, and finally filtering to remove iron to obtain the molybdenum carbide PMMA coaxial nanotube coating ...

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Номер записи: 9
15-08-2023 дата публикации

Inertia control method and device for direct-current micro-grid

Номер: CN116599020A
Автор: FU SHOUQIANG, WANG CHANG, SHI ZHENJIANG, JIANG YU, ZHANG LIBIN, CHEN XIANGYU, YANG LIN, GUO HAO, XIE JINGHAI, SUN MI, GUO JIA, SU DONGYU, LYU KE, LIU SUYI, XU FANG, TIAN JINGYI, XU CHANG
Принадлежит:

The invention provides a direct-current micro-grid inertia control method and device. The method comprises the steps that when it is detected that the bus voltage of the direct-current micro-grid changes, the fluctuation voltage of a bus is acquired; determining the fluctuation type of the bus voltage by using the difference between the fluctuation voltage and the standard voltage; determining a droop control coefficient increment according to the fluctuation type; and determining a target droop control coefficient based on the sum of a preset droop control coefficient and the droop control coefficient increment. The inertia of the DC micro-grid can be flexibly adjusted by using the target droop control coefficient according to the operation condition of the DC micro-grid, so that the stability of the DC micro-grid is improved.

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Номер записи: 10
30-12-2021 дата публикации

AUDIO SIGNAL PROCESSING METHOD AND APPARATUS

Номер: WO2021258350A1
Автор: ZHANG, Libin, YUAN, Tingqiu
Принадлежит:

The present application relates to the technical field of multimedia processing, and provides an audio signal processing method and apparatus, solving the problems in the prior art that when an audio signal is transmitted among multiple electronic devices, transmission is repeated and bandwidth resources are wasted due to different requirements of different audio applications for compressing and encoding the audio signal. The method comprises: a first apparatus samples and quantifies an obtained first audio signal to obtain a second audio signal; encode, in units of a first duration, the second audio signal by means of a first encoding mode to obtain a basic frame; encode, in units of a second duration, the second audio signal by means of a second encoding mode to obtain an extension frame, wherein the second duration is longer than the first duration, and the first encoding mode and the second encoding mode are used for respectively encoding different signals carried in the second audio ...

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Номер записи: 11
25-08-2023 дата публикации

Low-moisture and anti-powder-falling lithium battery diaphragm and preparation method thereof

Номер: CN116646681A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU
Принадлежит:

The invention relates to the technical field of battery diaphragms, in particular to a low-moisture and anti-powder-falling lithium battery diaphragm and a preparation method thereof. According to the composite diaphragm modified by the modified porous PVDF coated Al2O3 composite material provided by the invention, Al2O3 has good high temperature resistance and heat-conducting property and is beneficial to improving the heat resistance of the coating, so that the heat resistance of the diaphragm is improved. The PVDF particles are dissolved firstly and then coated on Al2O3, so that the problem of powder removal of PVDF is solved, and the pole piece bonding performance and the electrolyte infiltration performance of the diaphragm are remarkably improved. And a silane coupling agent KH-560 is added to further modify the porous PVDF-coated Al2O3 composite material, so that a net structure is formed, and the problem of high moisture content caused by water absorption of the diaphragm is remarkably ...

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Номер записи: 12
25-07-2023 дата публикации

Preparation method of photocatalyst for removing tetracycline from modified carbon-based loaded organic photovoltaic material

Номер: CN116474828A
Автор: LIU TAO, ZHU HONGXIANG, ZHANG LIBIN, YANG LINJI, ZOU BINGSUO, WANG SHUANGFEI
Принадлежит:

The invention discloses a preparation method of a photocatalyst for removing tetracycline from a modified carbon-based loaded organic photovoltaic material. The method comprises the following operation steps: A, crushing a carbon material; b, mixing carbon powder with deionized water; c, adding a cross-linking agent epichlorohydrin (ECH) into the mixed solution in the step B; d, in an ice bath environment, adding an amino-rich material into the mixed solution obtained in the step C, and stirring to react for 2 hours; e, filtering, washing and drying the solution after the reaction in the step D to obtain a modified carbon-based material; f, mixing an organic photovoltaic material with chloroform to obtain an organic photocatalyst mixed solution; and G, uniformly coating the modified carbon-based material with the organic photocatalyst mixed solution, and drying to obtain the photocatalyst for removing tetracycline from the modified carbon-based loaded organic photovoltaic material. The ...

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Номер записи: 13
23-06-2023 дата публикации

Lithium ion battery ceramic coating slurry, coating diaphragm and preparation method thereof

Номер: CN116283346A
Автор: LI MENGJIA, ZHANG LIBIN, ZHAO HAIYU, CHEN CHAOHUI
Принадлежит:

The invention relates to the technical field of lithium ion battery diaphragms, in particular to lithium ion battery ceramic coating slurry, which is prepared from the following raw materials in percentage by weight: 30 to 40 weight percent of porous aluminum oxide, 0.2 to 0.8 weight percent of dispersing agent, 3 to 8 weight percent of binding agent, 5 to 10 weight percent of thickening agent, 0.1 to 0.5 weight percent of wetting agent and the balance of water, the porous aluminum oxide is prepared from the following raw materials in percentage by weight: 20 to 40 weight percent of aluminum oxide powder, 0.5 to 1 weight percent of ammonium citrate, 1 to 4 weight percent of polyvinyl alcohol, 6 to 12 weight percent of pore forming agent and the balance of deionized water. Compared with aluminum oxide powder, porous aluminum oxide with the same mass is larger in coating area, the liquid absorption rate of the diaphragm is improved while heat stability is kept, the ceramic coating composite ...

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Номер записи: 14
24-11-2016 дата публикации

MEDIA INTEROPERABILITY METHOD AND DEVICE THEREOF

Номер: WO2016184281A1
Автор: ZHANG, Libin
Принадлежит:

Disclosed are a media interoperability method and device thereof. The method comprises: determining, by a control panel, that a first user equipment (UE) employs a first media format and a second UE communicating with the first UE employs a second media format, the second media format being an EVS main mode; and notifying a user plane device of converting a media packet in the first media format transmitted by the first UE to a media packet in the EVS compatible mode and a media packet in the EVS compatible mode transmitted by the second UE to a media packet in the first media format. The present invention realizes interoperability between a media format of a first user and media data of a second user based on an EVS compatible mode.

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Номер записи: 15
07-04-2022 дата публикации

REAL-TIME COMMUNICATION METHOD, APPARATUS AND SYSTEM

Номер: WO2022067652A1
Автор: ZHANG, Libin
Принадлежит:

Embodiments of the present application provide a real-time communication method, apparatus and system. During the process of an audio/video call, a user can listen to a voice having a positional directivity sound effect from the other party, and the experience of the audio/video call is improved. The method comprises: during the process of an audio/video call between a first communication device and a second communication device, according to the position of the first communication device, first audio from the first communication device, and parameters of the second communication device, generate second audio having positional directivity, the second audio being used for playback by a playback device.

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Номер записи: 16
29-06-2016 дата публикации

On -vehicle telescopic shade of road surface crack detection system

Номер: CN0205347941U
Автор: XU GUAN, WU GUANGWEI, SU JIAN, TIAN GUANGDONG, LIN HUIYING, CHEN RONG, ZHANG LIBIN, PAN HONGDA, LIU YUMEI, DAI JIANGUO, SHAN HONGMEI, LI XIAOTAO, ZHANG XINYUAN, ZHENG ANQI, YUAN JING
Принадлежит:

... 本实用新型公开了一种车载路面裂纹检测系统伸缩式遮光装置，旨在解决车载路面检测系统的自动遮光问题。车载路面裂纹检测系统伸缩式遮光装置由底座(1)、轴承座(2)、盖板架(3)、盖板(4)、摄像机座(5)、电机(6)、丝杠座(8)、电机座(9)、摄像机(10)、垫片(11)、轴承(12)、锥齿轮(13)、丝杠(14)、盖板轮轴(16)、盖板轮架(17)与丝母(18)组成，由电机(6)带动盖板(4)自动闭合遮光，从而完成对路面裂纹图像的可靠采集。系统提供了一种占用空间小、结构简单、检测精度高、操作简便、易于安装、成本较低、性能可靠的车载路面裂纹检测系统伸缩式遮光装置。 ...

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Номер записи: 17
14-07-2023 дата публикации

Al2O3-PZS microsphere coated lithium battery diaphragm and preparation method thereof

Номер: CN116435708A
Автор: WANG LIN, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention discloses an Al2O3-PZS microsphere coated lithium battery diaphragm and a preparation method of the Al2O3-PZS microsphere coated lithium battery diaphragm, the diaphragm comprises a base membrane and a coating layer coated on one side or two sides of the base membrane, the coating layer comprises the following components in percentage by mass: 32%-37% of Al2O3-PZS microsphere powder, 0.3%-0.9% of a dispersing agent, 5%-8% of a thickening agent, 5%-8% of a binding agent, 0.1%-0.35% of a wetting agent and the balance of water. The Al2O3-PZS microsphere powder in the diaphragm is obtained by adopting a self-made method, the Al2O3-PZS microsphere powder is mixed with other auxiliaries in the coating layer to obtain Al2O3-PZS coating slurry, and then the Al2O3-PZS microsphere coated lithium battery diaphragm is prepared by adopting a micro gravure roller coating process. The obtained lithium battery diaphragm is good in liquid absorption and retention capability, high in ionic ...

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Номер записи: 18
07-01-2010 дата публикации

A FREQUENCY BAND EXPANDING METHOD, SYSTEM AND APPARATUS

Номер: WO2010000179A1
Автор: ZHANG, Deming, ZHANG, Libin, ZHANG, Qi
Принадлежит:

A frequency band expanding method, system and apparatus are provided. The method includes: acquiring tone feature parameter and original high band signal, generating an excitation spectrum according to the tone feature parameter, and generating an reconstructed high band signal according to the excitation spectrum and the envelope information of the original high band signal.

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Номер записи: 19
23-06-2023 дата публикации

Process quality time sequence prediction method based on graph neural network

Номер: CN116307528A
Автор: YI BIN, LI WENQI, TANG JUN, LIN WENQIANG, GAO XIAOHUA, ZHOU BING, GAO YULEI, FANG JUNJUN, HE BANGHUA, TAN GUOZHI, ZHOU XIAOLONG, ZHANG LIBIN, QIN PENG, YANG YAOJING, LIU DANYING, XU XIAOLI, NIE RONG
Принадлежит:

The invention discloses a process quality time sequence prediction method based on a graph neural network, and the method comprises the following steps: converting a process flow into graph structure data, employing the graph structure data to model a control relation between production indexes, employing the collected process parameter data as the features of corresponding nodes in the graph data, and carrying out the modeling of the control relation between the production indexes. Spatial information between production indexes is calculated by utilizing a graph neural network, on this basis, time sequence data corresponding to process quality is spliced with the spatial information, a complex dependency relationship of a processing quality index sequence in time is modeled by utilizing a long-short-term memory network, and a prediction result is output. According to the process quality time sequence prediction method based on the graph neural network, the training of the model can be ...

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Номер записи: 20
15-08-2023 дата публикации

High-speed train dynamic system fault detection method based on interval observer

Номер: CN116595783A
Автор: LIU YUMEI, LIU JINGZHUO, HAO ZIXU, ZHOU YANXUAN, LIU MING, HU TING, LIU PENGCHENG, XUE CHAOQUN, CHEN HONGPENG, XU GUAN, CHEN RONG, LIN HUIYING, DAI JIANGUO, SHAN HONGMEI, ZHANG LIBIN
Принадлежит:

The invention discloses a high-speed train dynamic system fault detection method based on an interval observer, and belongs to the field of high-speed train fault detection. The method comprises the following steps: firstly, constructing a multi-mass-point longitudinal unknown bounded dynamic model of the high-speed train, and obtaining traction force output by each carriage in a balanced state; establishing a multi-particle speed tracking state space model and a system state equation when an actuator has a fault according to the established kinetic model; constructing a fault detection interval observer and obtaining an observer gain matrix by solving a linear matrix inequality constraint optimization problem; defining an upper bound and a lower bound of the system state error, constructing a state error dynamic model of the interval observer to obtain estimated values of the upper bound and the lower bound of the state error of the designed interval observer, and judging whether the high-speed ...

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Номер записи: 21
15-08-2023 дата публикации

Millimeter wave waveguide adjustable attenuator and attenuation adjusting method

Номер: CN116598740A
Автор: JIANG SHUNXI, LIANG GUOCHUN, ZHANG LIBIN, XIANG XIAN, SONG XINYU
Принадлежит:

The millimeter wave waveguide adjustable attenuator comprises a waveguide coupler and a waveguide 3dB bridge, the P1 port of the waveguide coupler is the input end of the waveguide adjustable attenuator, the coupling output port of the waveguide coupler is connected with the input port of the waveguide 3dB bridge, and the output port of the waveguide coupler is connected with the output port of the waveguide 3dB bridge. A P2 isolation port of the waveguide 3dB bridge is the output end of the waveguide adjustable attenuator, and waveguide loads are installed on the waveguide coupler and the remaining ports of the waveguide 3dB bridge. A threaded hole is formed in the top of a waveguide cavity where at least one of the remaining two ports of the waveguide 3dB bridge is located and used for installing a tuning screw, reflection echoes of the port are adjusted by adjusting the depth, extending into the waveguide cavity, of the tuning screw, and then control over the attenuation amount of the ...

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Номер записи: 22
05-07-2018 дата публикации

MINE ANTI-EXPLOSION TRAPEZOIDAL SEALING WALL AND CONSTRUCTION METHOD THEREFOR

Номер: WO2018121107A1
Автор: QI, Xuyao, ZHANG, Libin, XIN, Haihui, LI, Qizhong, WANG, Deming
Принадлежит:

A mine anti-explosion trapezoidal sealing wall and a construction method therefor, which are suitable for the situation that it's too late to construct a conventional sealing wall when thermodynamic disasters such as an explosion and a fire occur in a tunnel or a mine with a large gas emission quantity. A tunnel roof (1) and a floor (2) are respectively at the top end and the bottom end, and tunnel walls on the two sides; metal anchor nets (5) are arranged on wall rock by means of expansion bolts (17), and the two metal anchor nets (5) are connected to each other by means of iron wires (11); sealing cloths (9) are provided on the inner sides of the metal anchor nets (5), and the metal anchor nets (5) are connected to the sealing cloths (9) by means of iron wires (11); a material of a body to be filled (10) is injected, by means of a grouting hole (4), into a cavity formed of the sealing cloths (9) and the wall rock, and the sealing wall is formed after filling; the grouting hole (4) is ...

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Номер записи: 23
27-07-2016 дата публикации

Car braking chronogenesis detection device based on stereovision

Номер: CN0205404126U
Автор: ZHANG LIBIN, WU DAO, SHAN HONGMEI, SU JIAN, CHEN RONG, LIU HUANFENG, LIU QIFENG, DING ZHAOXIANG, TAN ZHONGYI, LIU WU, ZHANG LELE, ZHANG CHAO, WANG GUIRONG, YUAN JINGZHI
Принадлежит:

... 本实用新型涉及种基于立体视觉的汽车制动时序检测装置，属于汽车安全性能检测设备。该装置包括：4个相同型号的摄像机，2个相同规格的龙门支架和1台工业控制计算机等。该装置利用两组摄像机采集汽车左右侧车身图像，采用计算机图像处理技术，进行贴标轮廓线提取及三维坐标重建，建立贴标在汽车制动过程中的运动轨迹，实时得到各车轮的转速，获得各车轮制动时序，评价汽车制动性能。本实用新型可得到汽车制动过程中各车轮制动抱死时序。该设计理念新颖独特，检测精度好，装置结构简单，便于安装操作。研究成果具有定的理论价值和实用价值，具有很好的应用推广前景。 ...

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Номер записи: 24
04-03-2010 дата публикации

METHOD, APPARATUS AND SYSTEM FOR AUDIO ENCODING AND DECODING

Номер: WO2010022661A1
Автор: ZHANG, Deming, LI, Haiting, ZHANG, Libin, KRUGER, Hauke, GEISER, Bernd, VARY, Peter
Принадлежит:

A method, apparatus and system for audio encoding and decoding. The method includes: extracting the time domain envelope parameters, frequency domain envelope parameters, tone parameters and pitch grid parameters used to characterize an audio signal; encoding these parameters and transmitting them to a decoding end.

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Номер записи: 25
28-07-2023 дата публикации

Multi-port intelligent soft switching power distribution method based on hybrid energy storage

Номер: CN116505506A
Автор: FU SHOUQIANG, ZHANG LIBIN, YANG LIN, SHI ZHENJIANG, JIANG YU, CHEN XIANGYU, WANG CHANG, GUO HAO, AO CUILING, XIE JINGHAI, LIU SUYI, XU FANG, TIAN JINGYI, GAO YANG, FU YUHONG, TONG BINGBING, ZHAO KUANGYI, CHEN LEI, WANG SHOUPENG, SUN MI, GUO JIA, LU SHIHUA, SU DONGYU, XIAO WEI, XU YING, ZHANG JINWEI, LI DONGLIANG, LIU HONGYU
Принадлежит:

The invention relates to a multi-port intelligent soft switching power distribution method based on hybrid energy storage, and the method comprises the following steps: 1, putting forward a virtual capacitor droop control method based on the requirement for the dynamic response speed of a system, and designing a corresponding control structure; 2, proposing a value taking principle of a virtual resistor and a virtual capacitor which need to be followed when the energy storage system is added; and step 3, carrying out expanded virtual capacitor droop control parameter design on the multi-port intelligent soft switching system based on hybrid energy storage.

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Номер записи: 26
04-07-2023 дата публикации

Data processing method and device

Номер: CN116389096A
Автор: HE HENGYI, ZHANG LIBIN, WANG DONGHAI, HERNAN, XIAO ZHIPENG, YIN DEWEI, WANG HAO, HU JINGHE
Принадлежит:

The invention provides a data processing method and device, and the method comprises the steps: obtaining at least one first user portrait, and carrying out the anonymous processing of the at least one first user portrait through employing at least one first rule, and obtaining at least one second user portrait; sending the first screening condition, the second screening condition and the at least one second user portrait to a second server; receiving at least one first user group sent by the second server, and dividing the at least one first user portrait according to the device identifier in each fourth user portrait in the same first user group to obtain at least one second user group; and fusing the at least one first user group and the at least one second user group to obtain at least one fused user group, thereby making full use of the identification matching capability of an e-commerce platform side, protecting user privacy data, and improving the accuracy and richness of user portraits ...

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Номер записи: 27
07-10-2010 дата публикации

ENVIRONMENTALLY DEGRADABLE POLYMER COMPOSITE

Номер: WO2010111898A1
Автор: BAI, Juan, ZHANG, Libin
Принадлежит:

An environmentally degradable polymer composite is prepared by blending the following raw materials, which are composed of (by weight parts) 20-80 parts of moderately crosslinked aliphatic polyesteramide random block copolymer; 10-70 parts of renewable raw material; 5-20 parts of additive and 0-30 parts of filler. The present composite has excellent mechanical properties which are 15-30MPa of tensile strength, 300-1000% of elongation at break, 10-25MPa of bending strength and 20-90 kJ/m2 of notch impact strength. It has good environmental degradation property, and the biolysis rate is above 90% after 12 weeks of composting. It has good molding processability, and can be molded into varieties of products on general plastic processing equipments through extruding, injection, blow molding and hot pressing, etc.

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Номер записи: 28
02-05-2023 дата публикации

Lithium ion battery diaphragm dip-coated with spherical nano powder slurry and preparation method of lithium ion battery diaphragm

Номер: CN116053705A
Автор: ZHANG XUEHU, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention discloses a lithium ion battery diaphragm dip-coated with spherical nano powder slurry and a preparation method of the lithium ion battery diaphragm. The diaphragm comprises a base membrane and a coating layer dip-coated on one side or two sides of the base membrane, the base membrane is a high-porosity PE (polyethylene) or PP (polypropylene) base membrane, the coating layer is spherical nano powder slurry, and the coating layer is uniformly deposited inside the base membrane in a deposition manner. Compared with the prior art, under the condition that the thickness is not increased, the porosity and puncture strength of the lithium ion battery diaphragm are improved, so that the volume energy density of the lithium ion battery is improved, the internal resistance of the lithium ion battery is reduced, and the cycle performance of the lithium ion battery is improved. Moreover, the puncture strength is improved, and the safety performance of the lithium ion battery is ensured ...

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Номер записи: 29
06-09-2013 дата публикации

METHOD AND DEVICE FOR IDENTIFYING AND OBTAINING AMBE CODING AND DECODING RATE INFORMATION IN SDP

Номер: WO2013127086A1
Автор: ZHANG, Libin
Принадлежит:

Provided are a method and device for identifying and obtaining AMBE coding and decoding rate information in an SDP. The method for identifying AMBE coding and decoding rate information in an SDP comprises: setting an SDP, and specifically comprises: using a load type PT value to describe AMBE coding and decoding in the m attribute row of the SDP; in the fmtp attribute of the a attribute row of the SDP, identifying a PT value which is the same as that of the m attribute row in a format field, and identifying AMBE coding and decoding rate information in a format specific parameter field; and sending the set SDP to the opposite end. The method and device for identifying and obtaining AMBE coding and decoding rate information in an SDP provided in the present invention can automatically switch the rate of a bearer surface.

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Номер записи: 30
12-09-2017 дата публикации

A large-scale vertical precision machine tool

Номер: CN0104476204B
Автор: 罗松保, 张立斌, 杜海涛, 李迪
Принадлежит:

... 本发明属于精密机床技术，具体涉及种大型立式精密机床。所述大型立式精密机床包括至少四个空气隔振弹簧支撑、四个空气隔振弹簧、机床底座。所述空气隔振弹簧支撑设置在机床地基基础上，空气隔振弹簧则设置在对应的空气隔振弹簧支撑上，并与机床底座底面接触，其中，所述空气隔振弹簧支撑分成能够实现独立高度调节的三组，其中，只包含单个空气隔振弹簧的组则单独设置有个高度调节机构，而包含两个空气隔振弹簧的组则通过内部气腔连通，该组的两个空气隔振弹簧共用个高度调节机构。本发明通过多点支撑三点调节的布局形式，有效提高了大型机床结构和精度的稳定性，且机床总体重心低，稳定好。 ...

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Номер записи: 31
27-06-2023 дата публикации

Foundation pit supporting mechanism

Номер: CN116335154A
Автор: ZHAO ZHIFENG, WANG DONGXIA, ZHAO JIE, WANG JING, LI WEIFENG, CHENG YUFENG, YANG CHUNPENG, HE HONGWEI, ZHANG LIBIN
Принадлежит:

The invention discloses a foundation pit supporting mechanism, and relates to the technical field of foundation pit supporting, the foundation pit supporting mechanism comprises a positioning disc, and further comprises a positioning column fixedly arranged at the bottom of the positioning disc, and the positioning disc is fixedly connected with a mounting cylinder; the supporting mechanism is arranged on the side wall of the mounting cylinder and comprises a telescopic cylinder fixedly arranged on the positioning disc, the top of the telescopic cylinder is fixedly connected with a movable column, the side, close to the mounting cylinder, of the movable column is fixedly connected with a clamping block, the side wall of the positioning disc is fixedly connected with the telescopic column, one side of the telescopic column is fixedly connected with a mounting plate, and the side wall of the mounting plate is fixedly connected with a supporting piece; the side wall of the supporting piece ...

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Номер записи: 32
07-10-2010 дата публикации

BIOMATERIAL FOAMED PLASTIC COMPRISING WATER AS FOAMING AGENT AND PREPARATION METHOD THEREOF

Номер: WO2010111899A1
Автор: ZHANG, Xianbing, TANG, Yunzhang, ZHANG, Libin, REN, Chao
Принадлежит:

A biomaterial foamed plastic comprising water as foaming agent is made of the following raw materials (based on weight parts): 50-80 parts of renewable biomaterial, 5-25 parts of water, 5-40 parts of polyolefin, 3-10 parts of plasticizer, 0-5 parts of heat stabilizer, 0.5-5 parts of compatibilizer, 0-3 parts of nucleating agent and 0-3 parts of lubricant. The preparation method of the foamed plastic comprises the following steps: 1) sequentially adding said raw materials according to its ratio to high speed mixer, stirring at 60-150℃ for 3-30mins, mixing uniformly, cooling and discharging; 2) adding the uniform material obtained above to normal screw extruder, extruding and foaming at 90-200℃. The expansion ratio of the foamed product obtained is between 5-50 times; the density is 0.01-0.1g/cm3; and the product can be used in food package, industrial product package and the like.

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Номер записи: 33
18-11-2010 дата публикации

AUDIO DECODING METHOD AND AUDIO DECODER

Номер: WO2010130225A1
Автор: ZHANG, Qi, ZHANG, Libin
Принадлежит:

An audio decoding method, which comprises: determining a code stream to be decoded as a monophony coding layer and a first stereo enhancement layer code stream (S21), and decoding the monophony coding layer to obtain a monophony decoded frequency domain signal (S22), reconstructing left and right sound channels frequency domain signals by utilizing the monophony decoded frequency domain signal after energy adjustment in a first sub-band region (S23), and reconstructing the left and right sound channels frequency domain signals by utilizing the monophony decoded frequency domain signal without energy adjustment in a second sub-band region (S24).

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Номер записи: 34
15-08-2023 дата публикации

Optical storage DC micro-grid voltage recovery method and device

Номер: CN116599019A
Автор: WANG CHANG, ZHANG LIBIN, FU SHOUQIANG, SHI ZHENJIANG, JIANG YU, CHEN XIANGYU, YANG LIN, GUO HAO, AO CUILING, XU YING, ZHANG JINWEI, LI DONGLIANG, LIU HONGYU, XIAO WEI, LI HANYU, XIAO LIN
Принадлежит:

The invention provides a voltage recovery method and device for an optical storage DC micro-grid. The method comprises the steps of judging whether an energy storage unit adjusts the voltage of a bus or not when the voltage of the bus of the direct-current micro-grid fluctuates and the fluctuating voltage of the bus is kept stable; if so, determining a target capacitance value according to the bus voltage change rate; and controlling the output power of the photovoltaic array in the process of recovering the bus voltage to the standard voltage by using the target capacitance value, so that the bus voltage is recovered to the standard voltage. According to the method, the recovery speed of the bus voltage can be effectively increased after the DC micro-grid system fluctuates and in the process of recovering the standard voltage, so that the stability of the DC micro-grid is improved.

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Номер записи: 35
28-07-2023 дата публикации

Lithium ion battery diaphragm with high mechanical strength and preparation method thereof

Номер: CN116505189A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU
Принадлежит:

The invention relates to the field of lithium ion batteries, in particular to a high-mechanical-strength lithium ion battery diaphragm and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing a TiO2 (at) Al (OH) 3 hollow porous microbox by taking a MnCO3 microcube as a template; mixing the TiO2 (at) Al (OH) 3 hollow porous microbox with a thickening agent, a binding agent, a wetting agent and water to obtain TiO2 (at) Al (OH) 3 hollow porous microbox coating slurry; coating two sides of a polyolefin diaphragm with the slurry, and baking to obtain the lithium ion battery diaphragm; the lithium ion battery diaphragm has the advantages of high mechanical strength, favorable flame retardancy, favorable ionic conductivity and favorable electrolyte wettability.

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Номер записи: 36
08-06-2016 дата публикации

Switch and communication system with many gateways function

Номер: CN0205304853U
Автор: LIN NAN, CHEN YUFEI, YANG JIANYU, DU ZHENHUAN, ZHANG LIBIN, LIU CHENXI
Принадлежит:

... 本实用新型实施例提供种具有多网关功能的交换机及通信系统，该交换机包括：背板，以及设置在所述背板上的电源板、CPU板、第交换机板、第二交换机板；电源板，用于通过背板向CPU板、第交换机板和第二交换机板提供电源；第交换机板，用于将其识别的来自第通信设备的第数据输出至CPU板；第交换机板与第通信设备之间采用第通信协议通信；CPU板，用于将第数据转换为第二交换机板识别的第二数据，并输出至第二交换机板；第二交换机板，用于根据第二交换机板与第二通信设备之间采用的第二通信协议将第二数据封装为第二数据包，并输出至第二通信设备。实现第通信设备与第二通信设备之间的信息互通。 ...

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Номер записи: 37
07-04-2023 дата публикации

PVDF-PMMA-coated Al2O3 composite material coated lithium ion battery diaphragm and preparation method thereof

Номер: CN115939659A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU, CHEN CHAOHUI
Принадлежит:

The invention discloses a PVDF-PMMA-coated Al2O3 composite material coated lithium ion battery diaphragm and a preparation method thereof.The lithium ion battery diaphragm comprises a base film and a coating layer coated on one side or two sides of the base film, the base film is a polyolefin diaphragm, the coating layer comprises, by mass, 0.35%-3% of a dispersing agent, 20%-36% of a PVDF-PMMA-coated Al2O3 composite material, 3%-9% of a thickening agent and 1.3%-5.5% of a binding agent, and the binding agent is a polyolefin diaphragm. 0.3%-0.5% of a wetting agent, 0.05%-0.35% of a defoaming agent and the balance of ultrapure water; a micro gravure roller coating technology is adopted, the coating layer slurry is evenly roller-coated on a polyolefin diaphragm through a coating machine, the polyolefin diaphragm is baked through an oven at 70 DEG C and then rolled for standby application, and the lithium ion battery diaphragm obtained through the technical scheme has excellent pole piece ...

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Номер записи: 38
28-10-2010 дата публикации

METHOD AND APPARATUS FOR CORRECTING CHANNEL DELAY PARAMETERS OF MULTI-CHANNEL SIGNAL

Номер: WO2010121536A1
Автор: ZHANG, Libin, ZHANG, Qi
Принадлежит:

A method and apparatus for correcting channel delay parameters of a multi-channel signal are provided. The method involves: performing a down-mixing process on the multi-channel signal to acquire a processed signal (101), calculating energy distribution of the processed signal (102), and judging whether a comb filtering effect occurs in the processed signal according to the energy distribution of the processed signal, if the comb filtering effect occurs, correcting the channel delay parameters of the multi-channel signal (103).

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Номер записи: 39
08-06-2016 дата публикации

Pass through test device based on SVG movable high voltage

Номер: CN0205301462U
Автор: CHEN QIAN, ZHANG LIBIN, ZHANG ZIPING, WANG DAN, LI JIMING
Принадлежит:

... 种基于SVG可移动式高压穿越试验装置，其特征在于，所述的高压穿越试验设备包括电源进线隔离变压器，断路器开关，电抗器，SVG，配出线隔离变压器、高电压穿越试验设备安装到集装箱内，集装箱固定到运输车上；集装箱按照功能分为5个不同隔间，分别为电源进线隔离变压器室，高压开关柜室、电抗器室，SVG室，配出线隔离变压器室；使用时，电源进线隔离变压器次侧连接电网，经过高电压穿越试验设备，最终配出线隔离变压器连接至光伏设备；基于SVG可移动式高压穿越试验装置，主要应用于光伏逆变器装置高压试验。此试验装置采用车载集装箱形式，运输方便，可根据光伏逆变器现场随时进行检测，测试，最大限度的满足实际工况需求。 ...

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Номер записи: 40
23-06-2023 дата публикации

Sodium-ion battery diaphragm and preparation method thereof

Номер: CN116315436A
Автор: ZHANG XUEHU, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention relates to the technical field of sodium-ion battery diaphragms, in particular to a sodium-ion battery diaphragm which comprises a polyolefin base membrane and a spinning layer, the spinning layer is formed by electrostatic spinning of a spinning solution and is attached to the polyolefin base film; the spinning solution is prepared from the following raw materials in parts by weight: 5-20 parts of composite cellulose, 0.2-2 parts of a binder and 2-10 parts of a flame-retardant material; the composite cellulose is prepared from the following components in parts by weight: 2-5 parts of cellulose nanocrystals, 5-10 parts of bacterial cellulose and 2-5 parts of cellulose nanofibers. According to the present invention, a variety of celluloses are compounded, such that the diaphragm has advantages of good wettability, low internal resistance, stable thermal size and excellent flame retardation, the celluloses are attached to the surface of polyolefin through the electrostatic spinning ...

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Номер записи: 41
15-12-2016 дата публикации

ADJUSTMENT METHOD AND DEVICE FOR SERVICE RATE

Номер: WO2016197800A1
Автор: LI, Yunfei, LI, Ming, SHEN, Dongfang, LUO, Shaohua, ZHANG, Libin, WANG, Guozheng
Принадлежит:

Provided are an adjustment method and device for a service rate. The adjustment method for a service rate in the present invention comprises: receiving actual transmission capability information about a base station sent by the base station; and adjusting the service rate of a sending end according to the actual transmission capability information and the service rate of the sending end sending service data to the base station. The embodiment of the present invention can realize the adjustment of the rate of a sending end sending service data to a base station, so that the service rate of the sending end sending service data to the base station matches the actual transmission capability of the base station, thereby increasing the quality of data transmission.

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Номер записи: 42
07-04-2023 дата публикации

Adaptive channelized detection method based on spectrum sensing

Номер: CN115941087A
Автор: CHEN WANGJIE, ZHU WEIQIANG, YANG JIAN, MA RUI, CHEN YU, YU HAN, WANG TIANYU, WANG ZHAO, GAO XINGJIAN, ZHANG LIBIN
Принадлежит:

The invention discloses a self-adaptive channelization detection method based on spectrum sensing, which belongs to the field of electronic reconnaissance and is used for carrying out spectrum sensing, spectrum analysis, channel matching, detection and parameter estimation on electromagnetic signals and outputting a detection result. The method comprises the following steps: firstly, sequentially carrying out AD sampling and short-time Fourier transform (STFT) on an electromagnetic signal of a monitoring frequency band to obtain spectrum sensing data; performing real-time energy spectrum density estimation on the frequency spectrum sensing data input to generate a mean value spectrum and a maximum value spectrum; performing spectrum analysis on the frequency band of the signal distribution through the mean value spectrum and the maximum value spectrum, and generating a channel adaptation parameter; and carrying out adaptive adjustment on the digital channelized structure according to the ...

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Номер записи: 43
09-05-2023 дата публикации

Cut tobacco dryer outlet moisture prediction method based on transfer function

Номер: CN116076765A
Автор: ZHANG CHIYUAN, GAO YULEI, ZHOU XIAOLONG, ZHANG LIBIN, KONG BIN, YANG YAOJING, QIN PENG, LU JUNPENG, ZHANG XUANSHUN, SU YIFAN, HAN JINJIANG, BAI JING
Принадлежит:

The invention discloses a cut tobacco dryer outlet moisture prediction method based on a transfer function. The cut tobacco dryer outlet moisture prediction method comprises the following steps that related data in the production process of a cut tobacco dryer are obtained, and at least one controllable technological parameter is determined as a controllable variable; respectively establishing at least one differential equation of the variable quantity of the controllable process parameters, the variable quantity of the inlet moisture and the variable quantity of the outlet moisture, and a differential equation of the variable quantity of the inlet moisture and the variable quantity of the outlet moisture; respectively carrying out Laplacian transformation, and processing into corresponding transfer function models; designing a filter as a multiplier item in the transfer function model of the inlet moisture variation and the outlet moisture variation; establishing a cut tobacco dryer outlet ...

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Номер записи: 44
13-08-2021 дата публикации

Coated diaphragm with high liquid storage rate as well as preparation method and application thereof

Номер: CN113258211A
Автор: ZHANG LIBIN, WENG XINGXING, CHEN ZHAOHUI, 张立斌, 翁星星, 陈朝晖
Принадлежит:

The invention provides a coated diaphragm with a high liquid storage rate, which comprises a base membrane and a coating compounded on the surface of the base membrane. The coating is prepared from a binder containing pressure-resistant particles, and the pressure-resistant particles comprise one or more of a polyacrylate binder, PVDF, SBR, aramid fibers, polyacrylonitrile and polyacrylic acid. The particle size of the pressure-resistant particles is 0.2-10 [mu] m. The compression ratio of the coating ranges from 0.4 to 0.99. According to the invention, a relatively high coating compression ratio is obtained through a special coating design, and the liquid storage rate of the diaphragm is greatly improved while the adhesive force of the diaphragm and a pole piece is maintained, so that the electrical performance of a battery is improved.

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Номер записи: 45
23-06-2023 дата публикации

Automatic moisture removal control method for thin-plate cut-tobacco drier based on grey prediction model

Номер: CN116300609A
Автор: LU JUNPENG, ZHOU XIAOLONG, GAO YULEI, WU YONGXING, HU XIAN, ZHANG LIBIN, BAI JING, YANG XI, YANG YAOJING, QIN PENG, ZHANG XUANSHUN, HAN JINJIANG
Принадлежит:

An automatic moisture removal control method for a thin-plate cut-tobacco dryer based on a grey prediction model belongs to the technical field of tobacco production methods, and the calculation method comprises the following steps: step 1, based on a multi-input and multi-output time sequence of the thin-plate cut-tobacco dryer, carrying out accumulation processing on the multi-input and multi-output time sequence; 2, constructing a grey differential expression of the grey prediction model of the thin-plate cut-tobacco dryer, and discretizing the grey differential expression; 3, calculating a predicted value of the running state of the thin-plate cut-tobacco drier; 4, establishing a delay compensation PID (Proportion Integration Differentiation) controller; step 5, setting delay compensation PID controller parameters by using a biogeography optimization algorithm (CBBO); and step 6, realizing automatic moisture removal control of the thin-plate cut-tobacco drier. The method is less influenced ...

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Номер записи: 46
13-08-2021 дата публикации

Non-uniform strip-shaped point coating as well as preparation method and application thereof

Номер: CN113258212A
Автор: ZHANG LIBIN, WENG XINGXING, SHEN YADING, 张立斌, 翁星星, 沈亚定
Принадлежит:

The invention provides a non-uniform strip-shaped point coating. A coating covering the surface of a diaphragm of a lithium ion battery is a non-uniform strip-shaped distributed point coating, and the coverage rate of the point coating on the diaphragm is less than 100%. According to the non-uniform strip-shaped point coating provided by the invention, the bonding force between the coating and a pole piece can be improved, the influence of the coating on the performance of a base film is reduced, and the electrical performance of a battery is further improved.

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Номер записи: 47
11-08-2023 дата публикации

Lithium battery diaphragm with PVDF (Polyvinylidene Fluoride) powder falling prevention, high adhesion, high ionic conductivity and high electrolyte wettability and preparation method of lithium battery diaphragm

Номер: CN116581474A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU
Принадлежит:

The invention discloses a lithium battery diaphragm with PVDF powder removal prevention, high adhesion, high ionic conductivity and high electrolyte wettability, the lithium battery diaphragm comprises a base membrane and a coating layer, the base membrane is a polyolefin diaphragm, and the coating layer comprises the following components by weight: 17-37% of a C nanotube-porous PVDF coaxial composite material; 0.5%-1.5% of a dispersing agent; 6%-12% of a thickening agent; 1%-6% of a binder; 0.1%-0.5% of a wetting agent; 0.05%-0.2% of a defoaming agent; and the balance of ultrapure water. The invention also discloses a preparation method of the lithium battery diaphragm with PVDF powder falling prevention, high adhesion, high ionic conductivity and high electrolyte wettability. Compared with the prior art, the lithium ion battery diaphragm has the advantages of PVDF powder falling prevention, high adhesion, high ionic conductivity and high electrolyte wettability.

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Номер записи: 48
02-06-2023 дата публикации

Cut tobacco drying strength prediction method based on CNN-GRU combined network model

Номер: CN116205363A
Автор: YI BIN, TANG JUN, LIN WENQIANG, LI WENQI, GAO XIAOHUA, ZHOU BING, GAO YULEI, FANG JUNJUN, HE BANGHUA, TAN GUOZHI, ZHOU XIAOLONG, ZHANG LIBIN, QIN PENG, YANG YAOJING, LIU DANYING, XU XIAOLI, NIE RONG
Принадлежит:

The invention discloses a cut tobacco drying processing strength prediction method based on a CNN-GRU combined network model, and the method comprises the following steps: (1) collecting cut tobacco drying data in a production workshop, obtaining a variable related to the cut tobacco drying processing strength, and initializing the variable; and (2) data preprocessing: firstly, judging material heads, material tails, shutdown and material interruption of the collected cut tobacco drying data through a material level detection technology, then filling missing data by using a sliding window method, then deleting abnormal data through a method, and finally, carrying out noise reduction on the data through a self-encoding network. And (3) feature screening: carrying out correlation calculation and analysis by utilizing a Spearman algorithm, and determining the importance degree of the features related to the cut tobacco drying processing strength in the initial variables. And (4) building a ...

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Номер записи: 49
30-05-2023 дата публикации

Carbon nanowire composite material coated lithium ion battery diaphragm and preparation method thereof

Номер: CN116190922A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention discloses a carbon nanowire composite material coated lithium ion battery diaphragm and a preparation method thereof, the diaphragm comprises a base film and a coating layer adhered to one side or two side film surfaces of the base film, the base film is a polyolefin film, and the coating layer comprises a BaSO4 and Al (OH) 3 coated carbon nanowire composite material, a dispersant, a thickener, an adhesive and a wetting agent. According to the lithium ion battery diaphragm obtained by the invention, BaSO4 with high temperature resistance and good heat-conducting property, Al (OH) 3 with flame retardant property and carbon nanowires are added, so that on one hand, the mechanical property of the material is increased, and on the other hand, the conductivity of the material is enhanced, and rapid transmission of lithium ions is enhanced. Under the synergistic effect of the three components, the conductivity, the mechanical strength and the thermal shrinkage performance of the ...

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Номер записи: 50
11-07-2023 дата публикации

Low-moisture coating slurry, coating diaphragm and preparation method thereof

Номер: CN116417756A
Автор: ZHANG XUEHU, ZHANG LIBIN, ZHAO HAIYU, CHEN CHAOHUI
Принадлежит:

The invention relates to the technical field of lithium ion battery diaphragms, in particular to low-moisture coating slurry which is prepared from a modified cellulose suspension, a low-water-absorption inorganic material, a binder and a wetting agent. The modified cellulose suspension is prepared from cellulose powder, ultrapure water, alkaline powder and polyethylene oxide. Compared with the prior art, the preparation method has the advantages that the existence of hydroxyl is reduced, the hydrogen-bond interaction among cellulose is reduced, the cellulose can be dispersed without agglomeration on the premise of not using a dispersing agent, and the modified cellulose coated diaphragm has the advantage of low moisture; the problems of battery expansion, explosion and ignition caused by too high moisture of the diaphragm, liquid leakage caused by corrosion of metal parts, energy density reduction caused by moisture and the like are solved, and the ionic conductivity of the diaphragm is ...

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Номер записи: 51
04-07-2023 дата публикации

PVDF (Polyvinylidene Fluoride) glued diaphragm with high heat resistance, powder falling prevention and high air permeability and preparation method of PVDF glued diaphragm

Номер: CN116387754A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU
Принадлежит:

The invention discloses a high-heat-resistance, anti-powder-falling and high-air-permeability PVDF (polyvinylidene fluoride) glued diaphragm which comprises a base film and a coating layer, the base film is a polyolefin diaphragm, and the coating layer comprises the following components in percentage by weight: 8-16% of hollow porous PVDF nanotubes, 8-16% of polyvinylidene fluoride nanotubes, 1-3% of a binder, 1-3% of an antioxidant, 1-3% of a lubricant and the balance of 0.5%-1.5% of a dispersing agent; 3%-9% of a thickening agent; 2%-7% of a binder; 0.1%-0.4% of a wetting agent; 0.1%-0.2% of a defoaming agent; and the balance of ultrapure water. The invention also discloses a preparation method of the PVDF glued diaphragm with high heat resistance, powder falling prevention and high air permeability. Compared with the prior art, the prepared composite diaphragm has excellent thermal shrinkage performance, pole piece bonding performance and electrolyte wetting performance, and also has ...

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Номер записи: 52
05-05-2023 дата публикации

Cigarette manufacturing process quality index prediction method

Номер: CN116070964A
Автор: YI BIN, TANG JUN, LI WENQI, LIN WENQIANG, QIN PENG, GAO YULEI, FANG JUNJUN, YANG YAOJING, GAO XIAOHUA, ZHOU BING, HE BANGHUA, TAN GUOZHI, ZHOU XIAOLONG, ZHANG LIBIN, LIU DANYING, XU XIAOLI, NIE RONG
Принадлежит:

The invention provides a cigarette manufacturing process quality index prediction method based on a CNN-LSTM transfer learning algorithm, and relates to the field of tobacco processing quality prediction. The method includes the following steps that an MES system is adopted on production equipment to collect production line process data, a temperature and humidity sensor is used for measuring material quality indexes, a CNN-LSTM algorithm is used for predicting the condition of the material quality indexes at the next moment, a transfer learning strategy is introduced, and the condition of the material quality indexes at the next moment is predicted. On the premise of ensuring training precision, algorithm training efficiency in actual production is improved, and long-term accurate prediction of actual production is realized. The prediction method is high in prediction precision, the calculation efficiency meets the application requirement of an industrial site, and the training time of ...

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Номер записи: 53
23-06-2023 дата публикации

Malex coating slurry for lithium-sulfur battery diaphragm, coated diaphragm and preparation method of coated diaphragm

Номер: CN116315432A
Автор: WANG LIN, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING, CHEN CHAOHUI
Принадлежит:

The invention relates to the technical field, in particular to micalex coating slurry for a lithium-sulfur battery diaphragm, which is prepared from the following raw materials in percentage by weight: 5 to 10 percent of modified micalex, 5 to 10 percent of conductive carbon black, 0.3 to 0.9 percent of dispersing agent, 3 to 5 percent of binding agent, 0.1 to 0.35 percent of wetting agent and the balance of ultrapure water, the modified micalex is prepared from the following raw materials in parts by weight: 180 to 220 parts of micalex, 1 to 3 parts of KH550, 2 to 4 parts of deionized water and 90 to 100 parts of DMF (Dimethyl Formamide). The micalex coated diaphragm for the lithium-sulfur battery diaphragm comprises a base membrane and a coating layer formed by coating the base membrane with coating slurry. The coupling agent KH-550 is used for modifying micalex, so that the hydrophilicity of the material can be reduced, the micalex has better dispersity, is not easy to agglomerate and ...

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Номер записи: 54
23-06-2023 дата публикации

Multifunctional composite bird repeller for 10 kV distribution line and use method of multifunctional composite bird repeller

Номер: CN116267879A
Автор: FENG YONGXIN, LIU WEILIANG, LIU RUIXU, ZHANG LIBIN, CHO HOI IL, ZHAO PENGBO, ZHAO BIN, SHI YINGNAN, YUAN KANGLE
Принадлежит:

The invention relates to a multifunctional composite bird repeller for a 10kV distribution line and a use method, and the bird repeller comprises a fixing part which is used for being installed on distribution equipment and is provided with an installation rod; the light type bird repelling device is used for repelling birds by reflecting or emitting light, and the light type bird repelling device is detachably mounted on the mounting rod; the sound type bird repelling device is used for repelling birds by simulating sound or emitting sound waves, and the sound type bird repelling device is detachably mounted on the mounting rod; and the medicine box bird repelling device is used for repelling birds by containing bird repelling agents and is detachably mounted on the mounting rod. A driving sound type bird repelling device and a medicine box bird repelling device are additionally arranged on the basis of a windmill type bird repelling device to repel birds, the technical effect of '1 + ...

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Номер записи: 55
09-05-2023 дата публикации

Virtual storage battery control method based on controllable load

Номер: CN116093998A
Автор: WANG CHANG, JIANG YU, FU SHOUQIANG, SHI ZHENJIANG, ZHANG LIBIN, CHEN XIANGYU, YANG LIN, GUO HAO, GAO YANG, FU YUHONG, TONG BINGBING, ZHAO KUANGYI, CHEN LEI, LIU QINZHE, WANG SHOUPENG, LI JIABIN
Принадлежит:

The invention discloses a virtual storage battery control method based on a controllable load. The method comprises the steps that a controllable load virtual storage battery model is established according to the energy conversion relation between asynchronous motor rotor kinetic energy and storage battery charging and discharging electric energy; calculating a virtual current value provided by the virtual storage battery according to the description of the virtual energy relational expression; according to introduction of the virtual current value, the reference angular speed of the asynchronous motor is controlled by adjusting the virtual current value, so that the controllable load participates in power balance; and according to the relationship between the reference angular velocity and the rated angular velocity of the asynchronous motor, establishing related parameters for evaluating the configuration capacity and the operation state of the virtual storage battery. According to the ...

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Номер записи: 56
07-04-2023 дата публикации

Flame-retardant high-temperature-resistant slurry, preparation method and diaphragm coated with flame-retardant high-temperature-resistant slurry

Номер: CN115939665A
Автор: LI MENGJIA, ZHANG LIBIN, ZHAO HAIYU, CHEN CHAOHUI
Принадлежит:

The invention relates to the technical field of lithium battery diaphragms, in particular to flame-retardant high-temperature-resistant slurry, which is prepared from the following raw materials in percentage by weight: 30 to 40 weight percent of ceramic powder, 5 to 10 weight percent of sodium carboxymethyl cellulose, 0.2 to 0.8 weight percent of dispersing agent, 3 to 8 weight percent of binding agent, 0.1 to 0.5 weight percent of wetting agent and the balance of deionized water, the ceramic powder is composed of modified magnesium hydroxide powder and aluminum oxide powder, and the aluminum oxide accounts for 30-60% of the total mass of the ceramic powder. According to the coating diaphragm prepared by the invention, the polyacrylate emulsion is used for preparing the modified magnesium hydroxide, chemical adsorption on the surfaces of magnesium hydroxide particles is realized, the lipophilicity of the magnesium hydroxide is improved, when the temperature is too high, the binder is out ...

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Номер записи: 57
04-04-2023 дата публикации

TSN train network topology based on multiple clock domains

Номер: CN115913972A
Автор: FAN CHUANG, WANG XINLI, ZHANG LIBIN, MA ZHIMING, LIU JUNYU, LI CHANG
Принадлежит:

The invention discloses a TSN train network topology based on multiple clock domains. The TSN train network topology comprises a TSN-ECN looped network composed of TSN-ECN switches, a plurality of TSN terminal devices, a plurality of non-TSN devices and a plurality of clock domains. The plurality of TSN terminal devices are arranged in the TSN-ECN ring network, and the plurality of TSN terminal devices are respectively connected with the TSN-ECN switch; the non-TSN devices are arranged on one side of the exterior of the TSN-ECN looped network, and the non-TSN devices are respectively connected with the TSN-ECN switches; the clock domain is arranged at the corner of the TSN-ECN looped network and is connected with the TSN-ECN switch; multi-domain precise clock synchronization of each TSN device under a train network control system can be realized; according to the train network topology, deterministic transmission of data among different TSN train network devices under multiple clock domains ...

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Номер записи: 58
27-06-2023 дата публикации

Data acquisition device, system and method for communication line quality judgment

Номер: CN116331310A
Автор: MA ZHIMING, ZHOU JUN, ZHANG LIBIN, FAN CHUANG, LIU JUNYU, WANG XINLI, LI CHANG
Принадлежит:

The invention provides a data acquisition device, system and method for communication line quality judgment. The device comprises a control unit, a PHM unit and an MVB unit. The PHM unit is used for synchronously acquiring and storing physical waveforms of two paths of vehicle operation data in real time on one hand, and is used for transmitting the physical waveforms to an upper computer by providing a communication interface on the other hand; the MVB unit is used for collecting and storing process data, message data and monitoring data of a vehicle from a multifunctional vehicle bus on one hand, and is used for transmitting the process data, the message data and the monitoring data to an upper computer by providing a communication interface on the other hand. According to the invention, for the multifunctional vehicle bus, the operation health state of the vehicle bus of the system is analyzed, summarized, diagnosed and evaluated by means of the information technology in combination ...

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Номер записи: 59
28-04-2023 дата публикации

Rolling process of battery diaphragm

Номер: CN116031570A
Автор: ZHANG XUEHU, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING, CHEN CHAOHUI
Принадлежит:

The invention relates to the technical field of battery diaphragms, in particular to a battery diaphragm winding process which comprises the following steps: S1, a diaphragm of which one surface is coated is sent out from a first drying device; s2, the diaphragm sent out in the step S1 is treated with alcohol with the concentration of 30%-90%, and the alcohol is evenly distributed on the face, coated with the coating, of the diaphragm; s3, carrying out drying treatment on the diaphragm obtained in the step S2; and S4, carrying out rolling treatment on the diaphragm obtained in the step S3. Compared with the prior art, the problem of warping of the diaphragm coated on one side is solved, and the diaphragm can be prevented from warping, so that the problem of battery short circuit caused by the fact that the battery core cannot wrap the pole piece is greatly reduced, the yield of the battery core is improved, the production cost of the battery core is further reduced, and meanwhile, the safety ...

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Номер записи: 60
02-06-2023 дата публикации

Novel power distribution network co-evolution method based on evolution co-entropy

Номер: CN116207771A
Автор: FU SHOUQIANG, CHEN XIANGYU, ZHANG LIBIN, YANG LIN, WANG CHANG, YUE YUNLI, GENG PENGYUN, XIANG JING, TIAN JINGYI, XIAO LIN
Принадлежит:

The invention discloses a novel power distribution network co-evolution method based on evolution co-entropy, and the method comprises the following steps: S1, dividing main stages of novel power distribution network co-evolution in combination with a development target and a main task of a novel power distribution network; s2, switching in from the angle of source network load storage, and proposing a source network load storage evolution path; s3, constructing an evolution collaborative entropy for evaluating the load storage collaborative condition of the source network, and performing data processing on the evolution collaborative entropy by adopting a Shannon theory; and S4, evaluating the benefit of co-evolution on carbon emission reduction by adopting a carbon emission intensity model and a carbon emission economic benefit model. According to the method, each stage of distribution network evolution can be accurately evaluated and analyzed, an effective way is provided for each participating ...

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Номер записи: 61
25-07-2023 дата публикации

Preparation method of photocatalyst for removing antimony from modified carbon-based loaded organic photovoltaic material

Номер: CN116474827A
Автор: LIU TAO, ZHU HONGXIANG, YANG LINJI, ZHANG LIBIN, HUANG CIYUAN, WANG SHUANGFEI, XUE DONGFENG, LI CHANGYING
Принадлежит:

The invention discloses a preparation method of a photocatalyst for removing antimony from a modified carbon-based loaded organic photovoltaic material. The preparation method comprises the following operation steps: A, crushing a carbon material; b, mixing carbon powder with deionized water; c, adding a cross-linking agent epichlorohydrin (ECH) into the mixed solution in the step B; d, in an ice bath environment, adding an amino-rich material into the mixed solution obtained in the step C, and stirring to react for 1 hour; e, filtering, washing and drying the solution after the reaction in the step D to obtain a modified carbon-based material; f, mixing the organic photovoltaic material with chloroform; and G, uniformly coating the modified carbon-based material with the mixed solution obtained in the step F, and drying to obtain the antimony-removing photocatalyst for the modified carbon-based loaded organic photovoltaic material. The photocatalyst obtained through the method can efficiently ...

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Номер записи: 62
11-08-2023 дата публикации

Preparation method of photocatalyst for removing chromium, copper, cadmium and lead from modified carbon-based loaded organic photovoltaic material

Номер: CN116571277A
Автор: ZHU HONGXIANG, LIU TAO, ZHANG LIBIN, YANG LINJI
Принадлежит:

The invention discloses a preparation method of a photocatalyst for removing chromium, copper, cadmium and lead from a modified carbon-based loaded organic photovoltaic material. The method comprises the following operation steps: A, crushing a carbon material; b, mixing carbon powder with deionized water; c, adding a cross-linking agent epichlorohydrin (ECH) into the mixed solution in the step B; d, in an ice bath environment, adding an amino-rich material into the mixed solution obtained in the step C, and stirring to react for 1 hour; e, filtering, washing and drying the solution after the reaction in the step D to obtain a modified carbon-based material; f, mixing an organic photovoltaic material with chloroform to obtain an organic photocatalyst mixed solution; and G, uniformly coating the modified carbon-based material with the organic photocatalyst mixed solution, and drying to obtain the photocatalyst for removing chromium, copper, cadmium and lead from the modified carbon-based ...

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Номер записи: 63
22-08-2023 дата публикации

Aggregated signature method based on internal and external collaborative receipt joint signature service

Номер: CN116629773A
Автор: HE RUI, ZHANG LIBIN, SUN CHENJUN, HAN CHENPENG, HAN SHAOQING, LI LINGLING, DENG LIHUA, HAO SHANSHAN, WANG JIAJUN, LIU ZHAOXIONG, ZHENG TAO
Принадлежит:

The invention provides an aggregation signature method based on an internal and external collaborative receipt co-signature service, and the method comprises the steps: processing the internal and external collaborative receipt co-signature service through building a co-signature receipt block chain, and transmitting a to-be-signed receipt to a corresponding node for signature when detecting that a system generates the internal and external collaborative receipt co-signature service through a first intelligent contract, according to the method, on one hand, by means of the characteristics of tampering prevention and high safety of block chain data, traceability of a receipt signing result is achieved, and on the other hand, the system obtains the aggregated signature receipt based on the signature receipts uploaded by all the nodes, the united signature receipt block chain verifies the aggregated signature receipt, and the aggregated signature receipt is uploaded to the block chain after ...

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Номер записи: 64
06-06-2023 дата публикации

Artificial rainfall test system for simulating continuous rainfall intensity

Номер: CN116223351A
Автор: ZHAO LIDONG, ZHANG TING, LI JIANZHU, ZHANG LIBIN, FENG PING
Принадлежит:

The invention relates to an artificial rainfall test system for simulating continuous rainfall intensity, which comprises an artificial simulation rainfall device, an underlying surface system, a control system and a data monitoring system, and is characterized in that the artificial simulation rainfall device comprises a water purifier, a Markov bottle mounted on a bracket and a rainfall plate connected with the Markov bottle, the rainfall plate is mounted on the underlying surface system, and the control system is connected with the control system; the control system is installed on the support, and the data monitoring system is connected to the underlying surface system. The device is compact in structure, rainfall intensity is provided through the Mariotte bottle and the rainfall plate, vertical movement of the Mariotte bottle can be achieved through automatic control of the control system, and therefore continuous rainfall intensity changes are provided, artificial rainfall simulation ...

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Номер записи: 65
04-04-2023 дата публикации

Battery diaphragm based on magnesium hydroxide and preparation process thereof

Номер: CN115911756A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention relates to the technical field of battery diaphragms, in particular to a magnesium hydroxide-based battery diaphragm and a preparation process thereof.The magnesium hydroxide nanotube is introduced into coating slurry of a lithium ion battery diaphragm, COPNA resin is used as an adhesive, 2, 2 '-diallyl bisphenol A and polysulfone are used for modifying naphthol-based COPNA resin, then 3, 3', 4, 5, 6-tetramethyl-3, 3 ', 5, 6-tetramethyl-3, 5, 6-tetramethyl-3, 5, 6-tetramethyl-3, 5, 6-tetramethyl-3, 5, 6-tetramethyl-3, 5-tetramethyl-3, 5-tetramethyl-3, 5-tetramethyl-3, 5-tetramethyl-3 The copolymerized COPNA resin is prepared from 2, 2 ', 4, 4'-biphenyltetracarboxylic dianhydride, p-phenylenediamine and 2, 2 '-bis (trifluoromethyl)-4, 4'-diaminobiphenyl, so that the COPNA resin still keeps cohesiveness at a high temperature, the thermal expansion coefficient of the battery diaphragm is improved, and the battery diaphragm has a relatively low dielectric constant; the magnesium ...

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Номер записи: 66
25-07-2023 дата публикации

Image detection method based on semi-recursive feature pyramid structure and storage medium

Номер: CN116486230A
Автор: DING JIANRUI, WANG LINGTAO, DING ZHUO, ZHANG LIBIN
Принадлежит:

The embodiment of the invention discloses an image detection method based on a semi-recursive feature pyramid structure and a storage medium, and relates to the technical field of deep learning image detection, and the method comprises the steps: obtaining a real-time image through an image collection device; inputting the real-time image into a low semantic layer of a semi-recursive feature pyramid to generate a first low semantic feature; performing feedback feature selection operation on the first low-semantic features to generate feedback features; inputting the feedback feature and the real-time image into the low semantic layer again to perform recursive calculation to obtain a second low semantic feature; respectively inputting the first low-semantic feature and the second low-semantic feature into a high-semantic layer of a semi-recursive feature pyramid for down-sampling to obtain a second high-semantic feature; and performing corresponding layer fusion on the first low-semantic ...

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Номер записи: 67
08-08-2023 дата публикации

Battery diaphragm based on PVDF coaxial nanotube and preparation method thereof

Номер: CN116565454A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU
Принадлежит:

The invention relates to the technical field of battery diaphragms, in particular to a battery diaphragm based on PVDF coaxial nanotubes and a preparation method of the battery diaphragm. According to the battery diaphragm based on the PVDF coaxial nanotube and the preparation method of the battery diaphragm, the PVDF coated Mg (OH) 2 coaxial nanotube composite material is introduced, so that the mechanical strength and the thermal shrinkage performance of the diaphragm are greatly improved. In addition, the porous PVDF and the Mg (OH) 2 nanotube with the flame retardant property can have a synergistic effect, so that the mechanical property and the thermal shrinkage property of the diaphragm are further improved. According to the battery diaphragm based on the PVDF coaxial nanotube provided by the invention, the modification material is of a hollow porous structure on the whole, so that the specific surface area of the material is greatly increased, and the liquid absorption and retention ...

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Номер записи: 68
06-06-2023 дата публикации

Polyacrylate coated Al2O3 composite material coated diaphragm and preparation method thereof

Номер: CN116231224A
Автор: LI FAN, ZHANG LIBIN, ZHAO HAIYU, SHEN YADING
Принадлежит:

The invention discloses a polyacrylate-coated Al2O3 composite material coated diaphragm and a preparation method thereof, the polyacrylate-coated Al2O3 composite material coated diaphragm comprises a base film and a coating layer, the base film is a polyolefin film, the coating layer comprises a polyacrylate-coated Al2O3 composite material, a dispersant, a thickener, a binder and a wetting agent, the coating layer adopts a micro gravure roller coating process, and the polyacrylate-coated Al2O3 composite material coated diaphragm is prepared from the polyacrylate-coated Al2O3 composite material, the dispersant, the thickener, the binder and the wetting agent. And coating on one side or two sides of the base film. According to the obtained polyacrylate-coated Al2O3 composite material coated diaphragm, Al2O3 has good high temperature resistance and heat conduction performance, heat resistance of a coating is improved, so that the heat resistance of the diaphragm is improved, polyacrylate has ...

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Номер записи: 69
13-06-2023 дата публикации

Coal mine monitoring flexible analysis system and method based on COAP communication protocol

Номер: CN116260843A
Автор: QIAN JIE, ZHANG WEIGUO, DING RUIQI, XI DONGQIN, TANG TAO, BIAN KAI, JIANG ZE, ZHANG LIBIN, CHEN XIANGFEI, ZHAO XIAOBING, WANG LU, WANG DONGPING, HE MIN, JIANG ZHILONG, HAO YEJUN
Принадлежит:

The invention discloses a coal mine monitoring flexible analysis system and method based on a COAP communication protocol. The system comprises a system configuration module, an experiment environment configuration module, an experiment truth table configuration module, an experiment execution module, a report module and a historical data query module. The system configuration module is used for setting system configuration; the experimental environment configuration module is used for setting experimental environment configuration; the experiment truth table configuration module is used for setting experiment truth table configuration; the experiment execution module is used for controlling execution operation of an experiment; the report module is used for generating a comprehensive report file of all experimental results in any time period; the historical data query module is used for querying historical experiment detailed data in any time period. According to the coal mine monitoring ...

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Номер записи: 70
07-04-2023 дата публикации

Active power distribution network stability control method based on intelligent soft switch

Номер: CN115940107A
Автор: YANG LIN, FU SHOUQIANG, JIANG YU, SHI ZHENJIANG, CHEN XIANGYU, WANG CHANG, ZHANG LIBIN, GUO HAO, AO CUILING, XIE JINGHAI, LIU SUYI, XU FANG, TIAN JINGYI, GAO YANG, FU YUHONG, TONG BINGBING, ZHAO KUANGYI, CHEN LEI, WANG SHOUPENG, SUN MI, GUO JIA, LU SHIHUA, SU DONGYU, XIAO WEI, XU YING, ZHANG JINWEI, LI DONGLIANG, LIU HONGYU
Принадлежит:

The invention relates to an active power distribution network stability control method based on an intelligent soft switch, and the method comprises the steps: building an AVSG control equation of a DC power distribution network: carrying out the analogy of a capacitor in a boost converter at a DC side in the DC power distribution network as a rotor in a virtual synchronous generator, absorbing or discharging the electric energy when the power fluctuates, and carrying out the control of the AVSG control equation; the relationship between the frequency and the power when the rotating speed of a rotor in an alternating current system changes is compared, the reactive power of a capacitor is compared with the kinetic energy of the rotor in a motor, and an AVSG control equation of the direct current power distribution network is obtained; the method comprises the following steps: for a boost converter used in AVSG control, obtaining a state average equation of operation of the boost converter ...

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Номер записи: 71