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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 21. Отображено 21.
21-07-2023 дата публикации

Fan energy efficiency evaluation method and system

Номер: CN116467972A
Автор: MA ZHIYUAN, CAO MENGNAN, DENG YI, WANG ZHENHUA, YANG XIAOCHU, LIU YAN
Принадлежит:

The invention discloses a fan energy efficiency evaluation method, which is used for carrying out energy efficiency evaluation by being compatible with various fan types, and comprises the following steps: S1, collecting various information data of a fan; and S2, performing data analysis based on the various information data to obtain an energy efficiency diagnosis result, an energy efficiency evaluation result and a reliability evaluation result. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium. A unit intelligent operation state monitoring and fault diagnosis platform based on a centralized control center is established, a unit energy utilization rate algorithm based on a big data technology and other energy efficiency evaluation indexes and methods are explored, a rapid energy efficiency diagnosis analysis algorithm based on operation data of the centralized control center is developed, and rapidness and informatization ...

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Номер записи: 1
25-07-2023 дата публикации

Model selection method of input reactor in alternating current servo driver of variable pitch system

Номер: CN116488174A
Автор: JIANG YUHAN, LIU ZHICHAO, ZHANG LEI, HE YANWEI, CHEN GE, WANG XUDONG, DENG YI, MA ZHIYUAN, LIU MINGDA, CAO MENGNAN
Принадлежит:

The invention discloses a model selection method for an input reactor in an alternating current servo driver of a variable pitch system. The method comprises the following steps: calculating an inductance value of the input reactor based on a voltage drop proportion of the input reactor and a rated working current of the input reactor; wherein the voltage drop proportion of the input reactor is determined according to the voltage drop on each phase winding of the input reactor; the rated working current input into the reactor is 1.1-1.5 times of the rated working current of the alternating current servo driver, and the reactor is used for meeting the capacity reduction requirement of the alternating current servo driver in the high altitude environment. According to the invention, the input reactor is designed in a proper type selection range, so that the input reactor can obviously reduce the influence of the harmonic wave or surge voltage of the power grid on the AC servo driver.

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Номер записи: 2
30-05-2023 дата публикации

Energy efficiency diagnosis method and device and terminal equipment

Номер: CN116186620A
Автор: QIN YINGWU, LIU ZHICHAO, ZHANG PENG, FAN HUIBO, JIANG YUHAN, CHI LIN, MA ZHIYUAN, LIU MINGDA
Принадлежит:

The invention is suitable for the technical field of wind power generation, and provides an energy efficiency diagnosis method and device and terminal device.The energy efficiency diagnosis method comprises the steps that the wind energy efficiency utilization rate, the mechanical energy efficiency utilization rate and the electric energy efficiency utilization rate are obtained; acquiring wind energy data; inputting the wind energy data into a first branch network of the diagnosis model to obtain first output data output by the first branch network, and inputting the first output data into a first classifier to obtain a probability coefficient; and inputting the second output data and the probability coefficient into a second classifier to obtain an energy efficiency diagnosis result. According to the scheme, different data are processed through the first branch network and the second branch network, the dimensions of the input data are rich, the different input data are processed through ...

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Номер записи: 3
30-05-2023 дата публикации

Method for processing and purifying medical stone

Номер: CN116174144A
Автор: LIU CHAO, CHEN ZHIQIANG, HU HONGXI, YANG JIPING, LIU YONG, LYU XIANJIN, MA ZHIYUAN, LYU JIANFANG, ZHOU JIKUI, FENG JIAYING, JIAO AOBO
Принадлежит:

The invention relates to the technical field of mineral processing, and particularly discloses a method for processing and purifying medical stone. According to the medical stone processing and purifying method, hydraulic separation, flotation separation and magnetic separation are adopted, the primary medical stone product is obtained firstly, most gangue minerals and impurities in the raw materials are removed, the subsequent chemical treatment amount is greatly reduced, and the production cost is saved; and heating and leaching with hydrochloric acid, and further removing Fe impurities to obtain high-quality medical stone powder. The method has the advantages of being economical, environmentally friendly, easy to implement and operate, high in product yield, high in product quality and the like, and high-valued recycling of the low-grade medical stone is achieved.

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Номер записи: 4
01-08-2023 дата публикации

Knitted aerogel thermal insulation fabric and preparation method thereof

Номер: CN116516559A
Автор: MA ZHIYUAN, WANG CHUANCHUN
Принадлежит:

The invention belongs to the field of spinning, and particularly relates to a knitted aerogel heat preservation fabric and a preparation method thereof. The preparation method comprises the following steps: adding aerogel dry powder into a polyester spinning solution, blending by using a mechanical stirrer, preparing aerogel blended fibers by using a spinneret plate, and weaving into the knitted aerogel heat-preservation fabric. The light warm effect is achieved without any chemical additive treatment, the specific gravity of the aerogel is 10-30 KG/m < 3 >, and the finished cloth woven by the yarn with the same thickness is 18%-21% lighter than that of the conventional yarn. By combining physical processes such as napping, fleece and carbon sanding, the surface of the fabric has a thicker fluff structure, and the fabric is used as a fitting piece, so that the production cost and the heat retention property can obtain higher cost performance, or the same light and warm wearing experience ...

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Номер записи: 5
26-05-2023 дата публикации

Wind turbine generator tower health monitoring sensor arrangement method and monitoring implementation scheme

Номер: CN116167256A
Автор: YANG RONGCHANG, DENG YI, CUI YAWEN, WANG JIAN, CHEN JUNLING, MA ZHIYUAN, LIU MINGDA, LIN LIN, CAO MENGNAN, PAN DANLU
Принадлежит:

The invention discloses a wind turbine generator tower drum health monitoring sensor arrangement method and a monitoring implementation scheme, and the method comprises the following steps: S1, building a shell unit model of a tower drum, primarily selecting the unit size, and dividing the tower drum into quadrilateral units; s2, preliminarily arranging a strain sensor at the center of the corresponding unit; s3, a corresponding finite element model is established, calculation is completed, and needed strain is extracted; s4, inputting the strain, calculating an element matrix and a vector according to a formula (1) and a formula (2), and reconstructing displacement; based on the reconstructed displacement, calculating strain according to a formula (3) and a formula (4), and calculating stress according to the strain and material parameters; and checking the precision of the result obtained in the step according to the result. According to the invention, the strain of the limited measuring ...

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Номер записи: 6
26-05-2023 дата публикации

Single-sample three-dimensional face controllable image rendering method and device

Номер: CN116168136A
Автор: LEI ZHEN, ZHU XIANGYU, MA ZHIYUAN, ZHANG LEI
Принадлежит:

The invention provides a single-sample three-dimensional face controllable image rendering method and device, and relates to the technical field of image processing, and the method comprises the steps: inputting an initial identity embedding feature and first action information of a face image into a three-dimensional portrait controllable rendering network model, and obtaining a first spatial feature outputted by the three-dimensional portrait controllable rendering network model; determining a first rendering result based on the first spatial feature and a first camera parameter of the face image; based on the first rendering result and the face image, performing iterative optimization on the initial identity embedding feature to obtain a first identity embedding feature corresponding to the face image; inputting the first identity embedding feature and the obtained second action information into a three-dimensional portrait controllable rendering network model to obtain a second spatial ...

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Номер записи: 7
09-05-2023 дата публикации

Method and system for predicting rotating speed of small vertical-axis wind driven generator

Номер: CN116091957A
Автор: YANG XIAOCHU, CHEN WEI, WANG JIAN, DENG YI, CUI YAWEN, YANG RONGCHANG, MA ZHIYUAN, WANG ZHENHUA, LIN LIN, CAO MENGNAN, LIU MINGDA, ZOU CHENYING, ZHU YULI, LIU YAN
Принадлежит:

The invention belongs to the technical field of wind driven generators, and provides a rotating speed prediction method and system for a vertical-axis small wind driven generator, and the method comprises the steps: obtaining an operation video of the small wind driven generator; performing clipping preprocessing and resolution reduction preprocessing on the running video; decomposing and numbering the preprocessed operation video to obtain a static graph with a number; feature color extraction is carried out on the static image; calculating the feature color area of each static picture, and drawing a corresponding curve of the feature color area according to the number of the static picture; according to the number of interval frames between adjacent wave crests in the curve, obtaining a rotating speed predicted value of the small wind driven generator; based on feature color recognition, the purpose of predicting the rotating speed of the small wind driven generator is achieved, the problem ...

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Номер записи: 8
02-06-2023 дата публикации

Drill bit optimization method and device based on data analysis

Номер: CN116205040A
Автор: ZHAO WENBIN, MA ZHIYUAN, FAN ZHAOXIANG, HU QIANG
Принадлежит:

The invention provides a drill bit optimization method and device based on data analysis, and relates to the technical field of well drilling analysis, and the method comprises the steps: obtaining the use parameters of a drill bit in a target stratum; according to the mechanical drilling speed and the drilling footage in the use parameters, the average mechanical drilling speed and the average drilling footage of each drill bit are obtained through calculation; taking the average mechanical drilling speed and the average drilling footage as a horizontal coordinate and a vertical coordinate of a Cartesian coordinate system respectively, and marking the average mechanical drilling speed and the average drilling footage of each drill bit in the coordinate system; according to well depth data of a target stratum, different reference indexes are selected, and the coordinate system is partitioned; and selecting a drill bit model as an optimal drill bit model in the coordinate system according ...

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Номер записи: 9
08-08-2023 дата публикации

Femtosecond laser direct-writing photoresist film-forming resin, negative femtosecond laser direct-writing photoresist and patterning method of negative femtosecond laser direct-writing photoresist

Номер: CN116554391A
Автор: FU HUAN, CAO CHUN, KUANG CUIFANG, SHEN XIAOMING, MA PENGCHENG, QIU YIWEI, LAI HUIYING, GUAN LINGLING, XIA XIANMENG, LI JIAWEI, LIU XU, MA ZHIYUAN, WANG XIAOBING, PANG MAOZHANG, QIAN QUANLI
Принадлежит:

The invention discloses femtosecond laser direct writing photoresist film forming resin, negative femtosecond laser direct writing photoresist and a patterning method of the negative femtosecond laser direct writing photoresist. The chemical structural formula of the femtosecond laser direct-writing photoresist film-forming resin is shown as a formula (I), the femtosecond laser direct-writing photoresist film-forming resin is a random copolymer, the weight-average molecular weight Mw is 1.7-2.2 kDa, and the distribution index D is 1.4-2. The negative femtosecond laser direct writing photoresist provided by the invention is prepared from the following components in percentage by weight: 3 to 5 percent of film-forming resin, 5 to 10 percent of active monomer, 0.1 to 1 percent of two-photon initiator and 85 to 91 percent of solvent. The film-forming resin disclosed by the invention can be used for improving the etching resistance of the negative photoetching composition and improving the adhesive ...

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Номер записи: 10
30-06-2023 дата публикации

Fan system integrated with airborne laser wind finding radar and operation control method

Номер: CN116357522A
Автор: WANG SHUQING, QIN YINGWU, LIU ZHICHAO, WANG YACHAO, JIANG YUHAN, HAO WENPENG, DENG YI, MA ZHIYUAN, LIU MINGDA, CAO MENGNAN
Принадлежит:

The invention provides a fan system of an integrated airborne laser wind finding radar and an operation control method. The fan system comprises a first type fan and a second type fan; adopting a collaborative information acquisition model to optimize the deployment positions of the first type of fans and the second type of fans; and constructing wind field information by adopting a neural network according to the data of the first type of fans, the data of the second type of fans, the weather data and the historical data, and performing fan operation control in combination with the wind field information. The construction cost is reduced by optimally setting the use number of the laser wind-finding radars; the wind speed information predicted according to the information condition of the wind field jointly constructed by the two types of fans is combined to carry out operation control on the fans, and more accurate and effective fan control is achieved.

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Номер записи: 11
09-06-2023 дата публикации

Method for recovering vanadium and molybdenum from waste petrochemical catalyst

Номер: CN116240382A
Автор: MA ZHIYUAN, LYU JIANFANG, LYU XIANJIN, LIU YONG, ZHOU JIKUI
Принадлежит:

The invention belongs to the technical field of solid waste resource recovery treatment in the petrochemical industry, and particularly discloses a method for recovering vanadium and molybdenum from a waste petrochemical catalyst. The method comprises the following steps: directly mixing a granular waste petrochemical catalyst with an activating agent, and then carrying out short-time roasting in a microwave environment to obtain roasted slag; and then the roasting slag is directly treated by adopting a low-speed stirring water leaching process, and after solid-liquid separation, a leaching solution containing rare metals vanadium and molybdenum and leaching slag which can be directly used as a catalyst carrier raw material can be obtained. The method provided by the invention can realize rapid recovery of vanadium, molybdenum and other rare metals in the waste petrochemical catalyst, the recovery treatment time is short, the recovery rate is high, and the recovered waste catalyst has high ...

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Номер записи: 12
29-08-2023 дата публикации

Method and device for evaluating energy efficiency level of wind generating set

Номер: CN116663996A
Автор: MA ZHIYUAN, LIU MINGDA, WANG ZHENHUA, CAO MENGNAN, YANG XIAOCHU, DENG YI, YANG RONGCHANG, LIN LIN, ZOU CHENYING
Принадлежит:

The invention provides an evaluation method and device for the energy efficiency level of a wind generating set, and the evaluation method is based on a neural network and a self-adaptive threshold value, and comprises the following steps: S1, building a neural network model based on historical data, and carrying out the training, and obtaining a predicted value of a core parameter; s2, calculating reliability loss of the core parameter according to the predicted value and the actual value of the core parameter; s3, setting weights of the core parameters; s4, calculating the energy efficiency level of the subsystem corresponding to the core parameter according to the weight and the reliability loss; s5, based on an extreme value theory, directly fitting reliability loss historical data by adopting an exponential probability density form to obtain a threshold initial value of reliability loss; s6, establishing a sliding window and calculating a threshold value of each time point; and S7, ...

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Номер записи: 13
14-07-2023 дата публикации

Three-body cross-medium unmanned vehicle

Номер: CN116424042A
Автор: LU DAOHUA, LI PAN, MA ZHIYUAN, TANG YANBING, WANG JIA
Принадлежит:

The invention discloses a three-body cross-medium unmanned aerial vehicle. Belongs to the field of unmanned vehicles. Comprising a main body, a side body and a streamline rotary wing which are connected with one another, and the main body comprises an air intake and exhaust device, an aviation propeller, a first load function area, a self-adaptive oil bag system, a first water ballast space, an engine, an oil tank, a mounting module area and a first control area; each side body comprises an amphibious ducted fan propeller, an underwater shaftless propeller, a second load function area, a second water ballast space, a battery pack and a second control area. The streamline rotary wing comprises a rotary mechanism. According to the invention, the cross-medium unmanned aircraft formed in a three-body architecture form is adopted, and spatial attitude conversion can be carried out by virtue of the streamline rotary wing so as to adapt to triphibian scenes of water surface navigation, underwater ...

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Номер записи: 14
23-05-2023 дата публикации

Intelligent ball adding machine for adding multiple types of steel balls

Номер: CN116142588A
Автор: WUHAN QI, WANG SHUO, ZHANG WANG, CHEN CHONG, YUAN LONG, DU ZIBIN, CHEN SONGZHAN, ZHOU JIE, LIU JUN, ZHANG XINGLI, PEI HAOMING, GUO JIAJIE, ZHAO ZHENGXIN, MA ZHIYUAN, DING JIANING, YANG RUORAN
Принадлежит:

The invention discloses an intelligent ball adding machine for adding multiple types of steel balls. The intelligent ball adding machine comprises a ball storage device, a chute, a central rotating device, a ball taking device, a bag breaking device and a control cabinet, the ball storage device comprises a supporting frame and a ball storage bin. The central rotating device is arranged on the supporting frame; the ball taking device is arranged on a supporting arm of the central rotating device; the bag breaking device is arranged on the supporting column; the control cabinet is electrically connected with the first motor of the center rotating device and all electric devices of the ball taking device. The steel ball feeding device is simple in structure, easy to arrange, capable of achieving feeding of various types of steel balls and automatic bag breaking of ton bags, not limited by the types of the steel balls, free of the phenomena of ball blocking and ball clamping and high in automation ...

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Номер записи: 15
21-04-2023 дата публикации

Old wind turbine generator tower drum heightening structure and construction method thereof

Номер: CN115992800A
Автор: YANG RONGCHANG, DENG YI, CUI YAWEN, WANG JIAN, WANG NAN, MA ZHIYUAN, LIU MINGDA, LIN LIN, CAO MENGNAN, PAN DANLU
Принадлежит:

The invention relates to the technical field of wind power tower drum structures, in particular to an old wind turbine generator tower drum heightening structure and a construction method thereof.The old wind turbine generator tower drum heightening structure comprises an original tower drum foundation, an original tower drum section, a concrete standard section, a concrete conversion section and a steel strand, and the bottom of the original tower drum section is connected to the concrete conversion section; the tower drum is fixed on an original tower drum foundation through a concrete standard knot, and the original tower drum foundation is arranged on a foundation; a plurality of steel strands are uniformly arranged around the central axis of the original tower drum section, one end of each steel strand is connected with the concrete conversion section, and the other end of each steel strand is connected with a steel strand foundation on the foundation; the construction method comprises ...

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Номер записи: 16
11-08-2023 дата публикации

Cationic two-photon photoresist based on ternary polymer and patterning method thereof

Номер: CN116577964A
Автор: KUANG CUIFANG, LAI HUIYING, CAO CHUN, FU HUAN, MA ZHIYUAN, SHEN XIAOMING, MA PENGCHENG, GUAN LINGLING, LI JIAWEI, LIU XU
Принадлежит:

The invention discloses a cationic two-photon photoresist based on a ternary polymer and a patterning method of the cationic two-photon photoresist. The cationic two-photon photoresist comprises the following components in percentage by weight: 6 to 30 percent of ternary polymer film-forming resin, 0 to 9 percent of active monomer, 0.5 to 5 percent of photoacid initiator and 65 to 89.5 percent of solvent, the structural formula of the ternary polymer film-forming resin is shown as a formula (I), and the ternary polymer film-forming resin is synthesized by taking styrene, adamantyl-containing methyl methacrylate shown as a formula (II) and glycidyl methacrylate as reaction monomers and adding an initiator through free radical polymerization reaction. According to the invention, groups such as phenyl, hydroxyl, adamantane and the like are introduced into the polymer, so that the adhesive force and the etching resistance of the cationic photoresist are improved, and the resolution ratio of ...

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Номер записи: 17
11-08-2023 дата публикации

Full-biomass-based nanofiber aerogel as well as preparation method and application thereof

Номер: CN116574310A
Автор: LI WANGLIANG, LI YANXIANG, CAO LIXIA, WANG WENCHEN, MA ZHIYUAN
Принадлежит:

The invention discloses biomass-based nanofiber aerogel, which is prepared from nanocellulose and biological wax, and the mass ratio of the biological wax to the nanocellulose is (0.2: 1)-(1: 1). The nanofiber aerogel has good oil absorption performance and compression elasticity performance. The invention further relates to a preparation method of the nanofiber aerogel and application of the nanofiber aerogel in the aspects of marine oil spill recovery and treatment, industrial oil-containing wastewater treatment and the like.

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Номер записи: 18
25-08-2023 дата публикации

Multi-source complementary power supply system for deep sea wind finding radar

Номер: CN116647023A
Автор: WANG ZHENHUA, GENG FUHAI, DENG YI, YANG RONGCHANG, MA ZHIYUAN, LIN LIN
Принадлежит:

The invention relates to a deep sea wind finding radar multi-source complementary power supply system which comprises a photovoltaic power generation unit connected to the upper surface of an offshore buoy, the photovoltaic power generation unit is connected with a storage battery pack, and the storage battery pack is connected with a controller; the controller is configured to obtain the voltage, the discharge current, the temperature and the internal resistance information of each battery cell in the storage battery pack, obtain the basic SOC value of each battery cell through integration processing according to a battery open-circuit voltage curve, and obtain the optimized battery remaining available energy through a two-dimensional look-up table. Basic SOC estimation of the storage battery is realized through integration, and capacity calibration and SOC calibration are independently completed under the control of a battery management system. According to the method, the corrected latest ...

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Номер записи: 19
23-06-2023 дата публикации

Method for treating waste petrochemical catalyst and recovering rare metals

Номер: CN116287721A
Автор: MA ZHIYUAN, LYU JIANFANG, LYU XIANJIN, LIU YONG, ZHOU JIKUI
Принадлежит:

The invention belongs to the technical field of solid waste resource recovery treatment in the petrochemical industry, and particularly discloses a method for treating a waste petrochemical catalyst and recovering rare metals. The method comprises the following steps: directly mixing a granular waste petrochemical catalyst with an activating agent, and then carrying out short-time roasting in a microwave environment to obtain roasted slag; and then the roasting slag is circularly washed with water, and leaching liquid containing rare metal and leaching slag are obtained. The method provided by the invention can realize rapid recovery of vanadium, molybdenum and other rare metals in the waste petrochemical catalyst, the recovery treatment time is short, the recovery rate is high, and the recovered waste catalyst has high alumina content and can be directly used as a catalyst carrier raw material.

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Номер записи: 20
26-05-2023 дата публикации

Electromagnetic particle sensor and monitoring system used in wind generating set

Номер: CN116164943A
Автор: MA ZHIYUAN, CAO MENGNAN, DENG YI, LIN LIN, PAN DANLU, WANG YONGBIN, ZENG FANGFANG
Принадлежит:

The invention discloses a monitoring system for a wind generating set. According to the invention, the sensor main body is installed on the lubricating oil pipeline of the gearbox, the sensor main body outputs an electric induction electromotive force signal when the lubricating oil carries the metal particles to pass, and the signal processing module processes the generated induction electromotive force signal to obtain data such as the number of the metal particles in the lubricating oil and the rough size of the particles; through the communication network, data can be remotely transmitted to the control device in real time, and the control device compares the data with an abrasion experience curve of the gear box, so that the damage degree of the gear box is judged according to the change trend of a metal particle accumulated value, and the remaining service life of the gear box is further estimated. Therefore, operators have sufficient time to purchase spare parts and reasonably plan ...

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Номер записи: 21