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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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Форма поиска

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 62. Отображено 62.
16-04-2015 дата публикации

METHOD AND DEVICE FOR DETECTING SUSPICIOUS DNS, AND METHOD AND SYSTEM FOR PROCESSING SUSPICIOUS DNS

Номер: WO2015051720A1
Принадлежит:

Provided are a method and device for detecting a suspicious DNS, and a method and system for processing a suspicious DNS. The method for detecting a suspicious DNS comprises: acquiring a correct DNS parsing result set of known domain names, the correct DNS parsing result set being obtained by way of parsing the known domain names by a group of domain name parsing servers; acquiring a DNS parsing result to be detected of the known domain names, the DNS parsing result to be detected being a result of parsing the known domain names by a target DNS; checking whether the DNS parsing result to be detected belongs to the correct DNS parsing result set; and if not, marking the target DNS as a suspicious DNS. By means of the technical solution of the present invention, a suspicious DNS which parses a domain name into an unknown result can be simply and rapidly determined, thereby providing a basis for further analysis and processing, and increasing network security.

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02-05-2023 дата публикации

Clinical auxiliary treatment device for general surgery department

Номер: CN116035835A
Принадлежит:

A clinical auxiliary treatment device for the general surgery department comprises a bed body, a clamping plate, a driving device and a lifting device, the driving device comprises a driving base, an inner rack and a sliding sleeve, the lifting device comprises a lower base, an upper base, a bevel gear and a helical rack, two symmetrical edge grooves are formed in the left side and the right side of the bed body, a middle groove is formed between the two edge grooves, and a bottom plate is arranged on the lower portion of the bed body; a guide plate is arranged on the lower portion of the clamping plate, a clamping plate sliding groove is formed in the lower portion of the guide plate, a clamping plate rack is arranged on the side face of the clamping plate sliding groove, one clamping plate is arranged in each side groove, each clamping plate is placed in the corresponding side groove, and the guide plate on each side is provided with a condition to slide in the middle groove.

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09-05-2023 дата публикации

Damping device and seat

Номер: CN116080499A
Автор: HU YU, PENG YU, LANG BAOXIANG
Принадлежит:

The invention relates to the technical field of engineering vehicles, and discloses a damping device and a seat, the damping device comprises a mounting plate, an upper mounting cover, a rotating ring, a rotating elastic ring and a spring mounting seat which are sequentially arranged from top to bottom; the installation plate is fixedly installed on the upper portion of the upper installation cover, the upper installation cover is a cylindrical component with a cover, a cavity is formed in the center of the upper installation cover, the rotating ring and the rotating elastic ring are annular cylinders, and the upper installation cover is arranged in the rotating ring in a sleeved mode and can slide up and down in the rotating ring. A rotary support is arranged on the lower portion of the rotary ring, and the rotary support and the rotary ring can rotate relatively. The lower portion of the rotary support is fixedly connected with the spring mounting seat, and the rotary ring is sleeved ...

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06-06-2019 дата публикации

TRANSPARENT SUPER-HYDROPHOBIC COATING, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Номер: WO2019104935A1
Принадлежит:

A method for preparing a transparent super-hydrophobic coating, comprising: adding ethyl silicate into a solvent, then adding a fluorine-containing silane coupling agent, and stirring uniformly to obtain a first composition (S101); uniformly dispersing a catalyst in water and the solvent to obtain a second composition (S103); adding the second composition into the first composition, and stirring uniformly to obtain a sol mixture (S105); and applying the sol mixture to the surface of a matrix, and obtaining the transparent super-hydrophobic coating (S107). The coating can be used for the surfaces of glass and fabric.

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09-06-2023 дата публикации

Method and device for predicting SOH (state of health) of battery

Номер: CN116243197A
Автор: HU YU
Принадлежит:

The invention relates to a battery SOH prediction method and device. The method comprises the steps that S101, the temperature interval where the surface temperature of a battery cell is located is determined; s102, determining a charging current of a battery charging constant current stage in the temperature interval; s103, calculating the first impedance of the battery according to the real-time voltage, the open-circuit voltage and the charging current; s104, performing temperature normalization processing on the first impedance to obtain the impedance after the first temperature normalization; s105, repeating the steps S101 to S104, and obtaining the normalized impedances of a plurality of first temperatures under the set SOC; and S106, determining the SOH of the battery according to the plurality of impedances after the first temperature normalization. According to the scheme, the current in the charging constant current stage is adopted, the current in the stage is basically constant ...

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12-05-2023 дата публикации

Method for improving speed of communication between sensor and substation

Номер: CN116104580A
Принадлежит:

The invention belongs to the field of underground information transmission, and relates to a method for improving the communication speed of sensors and substations, which comprises the following steps of: S1, connecting the substations with a plurality of sensors through mining optical fibers, and enabling the sensors to be in the same parallel level; s2, the substation defines a corresponding special communication time slice according to the communication data length of the sensor; the substation endows the special communication time slices with time slice numbers according to the communication sequence and sends the special communication time slices to all the sensors, so that all the sensors actively send data collected by the sensors in the corresponding special communication time slices according to the time slice numbers; s3, the substations receive the data actively sent by the sensors and record the time slice numbers of the sensors which have sent the data; s4, when the serial ...

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05-05-2023 дата публикации

Method for improving accuracy of UWB positioning data

Номер: CN116068488A
Принадлежит:

The invention relates to a method for improving accuracy of UWB positioning data, and belongs to the technical field of mine accurate positioning. The method specifically comprises the following steps: setting a noise threshold and an empirical medium constant of a positioning receiving end, and simultaneously receiving a positioning signal by a positioning system; judging whether a multipath effect exists in the received signal or not; if the multipath effect exists in the received signal, calculating the probability PT that the direct path is not extracted, and judging whether the direct path is not extracted due to the fact that the noise threshold is set to be too high or not through the PT; the positioning algorithm carries out positioning calculation on the successfully extracted direct path to obtain positioning coordinates (x0, y0, z0); the positioning coordinates (x0, y0, z0) are sent to a Kalman filtering algorithm for filtering, filtering results (xn + 1, yn + 1, zn + 1) are ...

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28-04-2023 дата публикации

Water-based paint spraying process

Номер: CN116020724A
Автор: DAI NIANBING, XU BIAO, HU YU
Принадлежит:

The invention provides a water-based paint spraying process which comprises the following steps: A) carrying out phosphating treatment on a substrate to obtain a phosphated substrate; b) spraying water-based paint on the phosphatized substrate by adopting a rolling spraying machine to obtain a substrate containing a water-based coating; c) spraying oil paint on the substrate containing the water-based coating, and baking; obtaining a finished product. The formula of the water-based paint and the formula of the oil-based paint are adjusted in a matched mode, meanwhile, the rolling spraying technology and the manual spraying technology are optimized, and the equipment environment does not need to be transformed. And the risk caused by synchronous introduction of the double coatings is reduced. And the use of an organic solvent in a rolling spraying process is reduced, so that the VOC emission of a spraying workshop is reduced by more than 50%. And meanwhile, the yield is high.

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04-07-2019 дата публикации

HELMET, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Номер: WO2019127993A1
Принадлежит:

A preparation method for a helmet, comprising: compounding carbon fibers with ultra-high molecular weight polyethylene fibers in a mass ratio of 4-6:1-3 to prepare a composite material; preforming the composite material according to a helmet mold to prepare a shell; coating the shell with an adhesive; filling the adhesive in the helmet mold with a foam material to prepare a buffer layer; and adhering a fabric layer on the surface of the foam material, and opening the mold to obtain a helmet.

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06-06-2019 дата публикации

DEVICE AND METHOD FOR MEASURING ADHESION STRENGTH OF ICE

Номер: WO2019104934A1
Принадлежит:

A device and method for measuring adhesion strength of ice, wherein the measuring device comprises: a refrigerating plate (1), a mold (3) located above the refrigerating plate (1), an acrylic lid (2) covering the mold (3), a guide rail (5) located on one side of the refrigerating plate (1) and a push-pull gauge (4) located on the guide rail (5) and connected to the mold (3). The device and method for measuring adhesion strength of ice may be used for characterizing the adhesion strength of ice on the surface of material device so as to unify the measurement standard and may also be used for normalizing the anti-deicing research for the material (such as a fan blade, electric transmission line and surface material at the bottom of a high-speed train).

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04-07-2019 дата публикации

HEAT-STORAGE POLYSTYRENE FOAM, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Номер: WO2019127990A1
Принадлежит:

The present invention provides a heat-storage polystyrene foam, a preparation method therefor, and application thereof. The method comprises: mixing deionized water, a styrene monomer, a phase change microcapsule, and a first additive to obtain a polystyrene particle containing the phase change microcapsule; adding deionized water and a second additive into the polystyrene particle containing the phase change microcapsule, and performing impregnation to obtain expanded polystyrene containing the phase change microcapsule; and pre-foaming, ripening, and foaming the expanded polystyrene containing the phase change microcapsule to obtain the polystyrene foam. By means of the polystyrene foam prepared with the method of the present invention, the wearing comfort of a helmet is improved, the heat-storage performance of the polystyrene foam is improved, and the addition of the phase change microcapsule also maintains the mechanical property of the polystyrene foam so that the polystyrene foam ...

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13-12-2018 дата публикации

ANTI-ICING COATING AND PREPARATION METHOD THEREOF

Номер: WO2018223781A1
Принадлежит:

A preparation method of an anti-icing coating comprises: mixing a vinyl-terminated silicone oil, a hydrogen-terminated silicone oil, a methyl silicone oil, Karstedt's catalyst, and silica nanoparticles, and removing bubbles to obtain a mixture (S1); making the mixture into a coating (S2); curing the coating to obtain an anti-icing coating (S3).

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04-04-2023 дата публикации

Special 5G network communication system for coal mine

Номер: CN115915504A
Принадлежит:

The invention relates to a 5G network communication system special for a coal mine, which belongs to the technical field of 5G wireless communication and comprises a 5G core network server, an IMS (IP Multimedia Subsystem) server, a 50G bearer network, a ground 5G macro station, an underground 5G/4G fusion base station and a mobile terminal, the 5G core network server adopts core network element full-sinking deployment; the IMS server is an all-IP multimedia subsystem and is used for connection management of voice and multimedia services; the 50G bearer network is used for realizing data physical isolation of different services and integrating wired and wireless communication of industrial control, information transmission and 5G wireless communication into a communication network; the ground 5G macro station is divided into two independent physical channels, one channel is dedicated to an operator and bypassed to a mobile operator dedicated line through a mining area 5G core network, and ...

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23-06-2023 дата публикации

Sectional compaction device and method for crushed fresh alfalfa grass

Номер: CN116278125A
Принадлежит:

The invention belongs to the technical field of stockbreeding machinery, and particularly relates to a segmented compaction device and method for crushed fresh alfalfa grass.The device comprises a compaction base, a material taking roller, a turnover mechanism, a cam material pressing mechanism, a feeding mechanism, a compaction auxiliary mechanism, a filtrate collecting mechanism and a discharging pipe, the feeding mechanism is installed on the upper side of the compaction base, and the compaction auxiliary mechanism is installed on the right side of the compaction base; a filtrate collecting mechanism is mounted at the lower part, a discharging pipe is mounted on the left side, a material taking roller is mounted in the compaction seat, a turnover mechanism is mounted on the outer side of the material taking roller, four material taking grooves are formed in the peripheral surface of the material taking roller, and a cam material pressing mechanism is mounted in the material taking roller ...

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25-08-2023 дата публикации

Special compound fertilizer for improving yield of phalaris arundinacea and method for cultivating phalaris arundinacea by using special compound fertilizer

Номер: CN116640023A
Принадлежит:

The invention relates to the technical field of cultivation of phalaris arundinacea, in particular to a special compound fertilizer for improving the yield of the phalaris arundinacea and a method for cultivating the phalaris arundinacea by using the special compound fertilizer. The invention relates to a special compound fertilizer for improving the yield of phalaris arundinacea. The special compound fertilizer is mainly prepared from the following raw materials in parts by weight: 100-160 parts of nitrogen fertilizer, 30-50 parts of compound water-retaining agent, 100-150 parts of potassium fertilizer, 200-260 parts of phosphorus fertilizer, 24-30 parts of magnesium fertilizer, 10-15 parts of boron fertilizer, 10-12 parts of manganese fertilizer, 10-12 parts of zinc fertilizer and 5-8 parts of molybdenum fertilizer. The special compound fertilizer provided by the invention is beneficial to improving the yield of the phalaris arundinacea, and the phalaris arundinacea can be effectively ...

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01-08-2023 дата публикации

Digital media playing equipment based on Internet of Things and operation process thereof

Номер: CN116524806A
Автор: HU YU
Принадлежит:

The invention discloses digital media playing equipment based on Internet of Things and an operation process thereof. The digital media playing equipment comprises a storage box, a display fixing module, a supporting module, a hydraulic module and a power supply control module, according to a space three-dimensional coordinate system, the display fixing module is stored in a box body of the storage box, the hydraulic module is connected with the display fixing module and arranged on the bottom face, in the z-axis direction, of the storage box, and the supporting modules are arranged on the two side faces, in the y-axis direction, of the storage box. And the power supply control module supplies power to the whole equipment and is arranged on the bottom surface of the storage box along the z-axis direction. The equipment is high in flexibility and stability, the six displayers can be used for explaining and propagandizing different products, the display screens can be automatically stretched ...

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02-07-2020 дата публикации

FLOCKED CUSHION FOAM AND HELMET

Номер: WO2020134420A1
Принадлежит:

The utility model provides a flocked cushion foam and a helmet, wherein the flocked cushion foam comprises a cushion layer, the cushion layer comprises a cushion foam layer (1), a cement layer (2) and a flocking functional layer (3) sequentially stacked, the cement layer (2) is used to cement the cushion foam layer (1) and the flocking functional layer (3). The flocked cushion foam provided by the utility model, on one hand, can increase the overall aesthetic level of the head-mounted device, on the other hand, it can also improve the comfort of the head-mounted device by increasing the functionality of the cushion layer, such as heat storage, sweat absorption, antibacterial, flame retardant and the like, thus improving the satisfaction of users, which can be widely applied in the head-mounted device.

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02-07-2020 дата публикации

TEMPERATURE-REDUCING FOAM LINER

Номер: WO2020134401A1
Принадлежит:

A temperature-reducing foam liner, comprising: a pad (1), foam (2), a plastic box (3) and phase change material (4); the pad (1) being disposed above the foam (2), the foam (2) being provided with a trough structure therein, the trough structure being provided with a plastic box (3) matched to same, and phase change material (4) being disposed in the plastic box (3). The temperature-reducing foam liner further enhances heat-absorption capabilities, has a good temperature-reducing effect, is simple to produce, is low-cost, and does not require additional structural design. The temperature-reducing foam liner improves comfort, enhances user utilizational satisfaction, and may be widely applied in fields such as helmets, smart wearable devices, aviation and aerospace, daily-use household products, etc. With regard to daily-use household products, same may be used in producing mattresses, pillows, seat cushions, etc.; with regard to aviation and aerospace, same may be used for producing temperature-reducing ...

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25-04-2023 дата публикации

Low cross sensitivity gas detection device

Номер: CN116008364A
Принадлежит:

Disclosed herein are methods, devices, and systems for providing a gas detection device (e.g., an electrochemical detector). An example gas detection device may include a sensing assembly including: a housing configured to receive a sample gaseous substance including a target gaseous substance and an interfering gaseous substance; the reference electrode is arranged in the shell; the counter electrode is arranged in the shell; and a sensing electrode disposed within the housing and operably connected to a bias voltage circuit.

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02-07-2020 дата публикации

HEAT DISSIPATING DEVICE FOR SMART HELMET

Номер: WO2020134397A1
Принадлежит:

A heat dissipating device for a smart helmet, comprising a helmet housing, a cushion block and a mainboard (10). The cushion block is disposed on the inner side surface of the helmet housing, the cushion block and the inner side surface of the helmet housing form an accommodating cavity, and the mainboard (10) and the heat dissipating device are disposed within the accommodating cavity. The heat dissipating device comprises a heat absorption part (21), a heat transferring part (22) and a heat dissipating part (23). The heat absorption part (21) is of a sheet structure and covers the position of a heat source of the mainboard (10) to connect the mainboard (10).

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02-05-2023 дата публикации

Flow battery model parameter identification and performance prediction method based on ordinary differential equation

Номер: CN116047297A
Принадлежит:

The invention discloses a flow battery model parameter identification and performance prediction method based on an ordinary differential equation, and the method comprises the steps: respectively building an equivalent circuit model of a flow battery and electrochemical models of an electric pile and a liquid storage tank; coupling the equivalent circuit and the electrochemical model to obtain a corresponding ordinary differential equation set; constructing a loss function, and determining related constraint conditions; and solving an ordinary differential equation set, calculating a loss function, and obtaining circuit identification parameters of next iteration through a gradient descent method. And predicting the performance of the flow battery according to the circuit identification parameter value. The parameter identification of the equivalent circuit model of the flow battery is realized by establishing an equivalent circuit and an electrochemical coupling model, constructing a ...

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02-05-2023 дата публикации

Metering terminal fastening and connecting device

Номер: CN116053810A
Принадлежит:

The invention discloses a metering terminal fastening and connecting device which comprises a connecting unit and a fastening unit. Comprising a lower shell, an upper shell arranged above the lower shell, a first arc-shaped groove and a second arc-shaped groove which are formed in the lower shell, a third arc-shaped groove and a fourth arc-shaped groove which are formed in the upper shell and correspond to the first arc-shaped groove and the second arc-shaped groove, and a positioning structure arranged between the upper shell and the lower shell; and the fixing unit comprises an enclasping assembly arranged in the first arc-shaped groove. During use, an aluminum wire and a copper wire can respectively penetrate into the first arc-shaped groove and the second arc-shaped groove to be respectively fixed, and the puncturing assembly is utilized to penetrate into the aluminum wire to conduct electricity, so that the copper wire can be connected through a metal conductor under the condition ...

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05-05-2023 дата публикации

Horizontal swinging device for flat air grid and tempered glass cooling system using same

Номер: CN116062978A
Принадлежит:

The invention discloses a horizontal swing device for a flat air grid and a tempered glass cooling system using the horizontal swing device. The horizontal swing device comprises a movable frame, a plurality of linear bearings, a plurality of guide rails and a speed reducer. The flat air grid assemblies are hung on the movable frame through the lifting devices. A transverse push rod is arranged in the middle of the movable frame. The output end of the speed reducer is connected with the transverse push rod. The multiple guide rails extend in the left-right direction and are installed on the top face of the installation frame in a front-back spaced mode, and notches of the guide rails face upwards. The multiple linear bearings are arranged between the bottom face of the movable frame and the groove bottom face of the guide rail at intervals, the top faces of the linear bearings are connected with the bottom face of the movable frame, and the bottom faces of the linear bearings abut against ...

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28-07-2023 дата публикации

Method and device for detecting charging capacity of battery in low-temperature interval

Номер: CN116500467A
Автор: HU YU
Принадлежит:

The invention relates to a method and a device for detecting the charging capacity of a battery in a low-temperature interval. The method comprises the following steps: correspondingly setting a plurality of charging currents for a plurality of groups of battery cells; under the condition that the SOC of the multiple sets of battery cells does not exceed the first preset SOC value, the multiple sets of battery cells at the target temperature are charged according to the multiple charging currents, and the multiple sets of battery cells are all charged to a second preset SOC value; acquiring multiple groups of actually measured open-circuit voltages corresponding to the multiple groups of battery cells at the target temperature; obtaining a plurality of first difference value groups corresponding to the plurality of groups of actually measured open-circuit voltages and standard static open-circuit voltages under the target temperature and the second preset SOC value; and determining the ...

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07-07-2023 дата публикации

Water-based cationic color paste as well as preparation method and application thereof

Номер: CN116396641A
Автор: HU YU, HE GUIPING, ZHAO LEI
Принадлежит:

The invention belongs to the technical field of pigment color paste, and particularly relates to water-based cationic color paste as well as a preparation method and application thereof. The water-based cationic color paste is composed of pigment powder, a cationic dispersant, a defoaming agent and deionized water, and the conductivity of pigment powder clear liquid is smaller than 55 [mu] S/cm. The water-based cationic color paste is provided by adopting a brand-new optimal color paste formula and a processing technology, and the color paste is tested to be D95lt through a particle size instrument; the pigment powder is uniformly distributed, and the storage stability is good. Besides, the water-based cationic color paste is simple in formula and relatively high in compatibility, and a coating and a coating layer obtained by using the color paste do not generate compatibility defects such as flooding, roughing and gloss loss, and can be applied to woodware coloring, printing ink, textile ...

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06-07-2016 дата публикации

Adjusting device of fruit roller is plucked to half feeding formula peanut

Номер: CN0205357173U
Принадлежит:

... 本实用新型提供了一种半喂入式花生摘果辊的调节装置,包括台架(1)、安装架(4)、调节支架、调节栓,摘果辊(3)安装在所述安装架(4)上,安装架(4)通过调节栓与调节支架连接,将摘果辊(3)安装在所述台架(1)上。本实用新型的有益效果是:由于摘果辊轴的前后端分别安装在支座上,前后支座分别用螺栓通过固定槽Ⅰ、固定槽Ⅱ安装在安装架上,可以通过螺栓在固定槽Ⅰ、固定槽Ⅱ内的位置实现摘果辊安装支座位置的调节,进而实现两摘果辊相对距离及夹角的调节,摘果辊通过安装架安装在台架(1)上,通过调节栓在调节支架长槽内的位置调节实现摘果辊与夹持输送链相对高度与角度的调节,以适应不同品种花生秧蔓的摘果作业。 ...

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26-05-2023 дата публикации

Method for determining rendering kernel of multi-kernel browser

Номер: CN116166909A
Принадлежит:

The invention provides a method for determining a rendering kernel of a multi-kernel browser. The method comprises the following steps: S1, acquiring webpage features, client environment features, a user role value and user configuration information; s2, determining kernel index information of the current multi-kernel browser; s3, determining information entropies of the webpage features, the client environment features, the user role information and the user configuration information for the index information; s4, constructing a decision tree prediction model, and training the decision tree prediction model; and S5, inputting the information in the steps S1-S3 into the trained decision tree prediction model for processing, outputting the kernel corresponding to the current webpage, and rendering the webpage based on the kernel, so that different webpages can be browsed by adopting one multi-core browser, multiple browsers do not need to be repeatedly installed, the use is convenient, and ...

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30-06-2023 дата публикации

Primary and secondary fusion type intelligent high-voltage alternating-current metal-enclosed switchgear and control equipment

Номер: CN116365373A
Принадлежит:

The invention relates to primary and secondary fusion type intelligent high-voltage alternating-current metal-enclosed switchgear and control equipment, an instrument compartment is internally provided with a set of proximitors, a circuit breaker compartment is internally provided with a circuit breaker body, and a current transformer, a voltage transformer, a first temperature transmitter, a second temperature transmitter and a body controller are integrated in the circuit breaker body; at least one of the compartments is provided with a very high frequency sensor; the front-end device is in communication connection with the body controller; the very high frequency sensor is connected with the preposition device; the body controller is used for realizing measurement, protection and control functions of the secondary comprehensive protection device; the front-end device is used for integrating communication, video display, partial discharge detection, live monitoring and environment control ...

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13-06-2023 дата публикации

Hybrid DC circuit breaker with current limiting function and control method thereof

Номер: CN116260118A
Принадлежит:

The invention relates to a hybrid direct-current circuit breaker with a current limiting function and a control method thereof, when overcurrent occurs in a circuit, the current is transferred from a main branch to a fault processing branch, and according to a fault detection result, a fault line is cut off or normal operation is recovered, so that misoperation of a system is reduced, and meanwhile, the reliability of the system is improved. The capacitor in the fault processing branch does not need an additional pre-charging circuit, the hardware cost of the system is reduced, energy in the current-limiting inductor can be transferred when the fault line is cut off, the energy consumption of the lightning arrester is reduced, and the action time of the circuit breaker is shortened at the same time. The method has good use value and economic benefits in occasions such as the field of multi-port flexible direct current power transmission and distribution.

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01-08-2023 дата публикации

Heat exchange system for solid hydrogen storage/desorption process

Номер: CN116518645A
Принадлежит:

The invention discloses a heat exchange system for a solid-state hydrogen storage/desorption process, and the system comprises a solid-state hydrogen storage/desorption module which is used for storing and transporting hydrogen; the hydrogen storage heat pump air conditioning module is used for assisting the solid hydrogen storage and release module to store hydrogen through heat exchange; and the hydrogen desorption heating module is used for assisting the solid hydrogen storage and release module to release hydrogen through heating. According to the system, heat energy released by a hydrogen absorption reaction can be used for a hydrogen desorption reaction, meanwhile, solar energy and fuel cell waste heat can be utilized for heating the hydrogen desorption reaction, and therefore efficient utilization of renewable energy sources is achieved.

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14-07-2023 дата публикации

Automatic deploying and retracting device, hanging type unmanned ship and automatic deploying and retracting system

Номер: CN116424491A
Принадлежит:

The invention relates to the technical field of unmanned ships, and discloses a hanging type unmanned ship automatic laying and recovery system. Comprising a mother ship hoisting device which comprises a hoisting steel cable, a conical body and a first steel cable pressing block, the conical body is of a cylindrical cone transition structure, a through hole is formed in the center of the conical body, the hoisting steel cable penetrates through the center of the conical body, and the tail end of the hoisting steel cable is fixedly connected with the conical body through the first steel cable pressing block; the unmanned ship comprises a ship body, radar and visible light integrated equipment and a lifting hook, the radar and visible light integrated equipment is used for target recognition and positioning in the unmanned ship recycling process, and the lifting hook serves as a lifting point of the unmanned ship and is fixedly connected with the unmanned ship; and the automatic retracting ...

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11-04-2023 дата публикации

Phosphoric acid corrosion resistant tungsten carbide coating material and preparation method thereof

Номер: CN115948708A
Принадлежит:

The invention provides a phosphoric acid corrosion resistant tungsten carbide coating material and a preparation method thereof, and relates to the field of metal ceramic spraying materials. The tungsten carbide coating material resistant to phosphoric acid corrosion comprises WC-NiMoCrFeCu, and based on the total mass of the tungsten carbide coating material being 100%, the content of WC is 70%-88%, and the balance is NiMoCrFeCu. The preparation method of the phosphoric acid corrosion resistant tungsten carbide coating material comprises the following steps: mixing raw materials including NiMoCrFeCu powder, WC powder, a binder and water, and carrying out first ball milling to obtain mixed slurry; and carrying out spray drying on the mixed slurry to obtain agglomerated particles, and sintering to obtain the phosphoric acid corrosion resistant tungsten carbide coating material. A coating prepared from the phosphoric acid corrosion resistant tungsten carbide coating material provided by the ...

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25-08-2023 дата публикации

Radio frequency electronic equipment module level fault diagnosis method and system

Номер: CN116647290A
Принадлежит:

The invention relates to the technical field of electronic equipment fault diagnosis, and discloses a radio frequency electronic equipment module-level fault diagnosis method and system.The method comprises the steps that a same-layer grading strategy is adopted, and local BN modeling is conducted on modules in radio frequency electronic equipment based on expert knowledge; then automatically constructing a BN (Boron Node) of the whole radio frequency electronic equipment through node merging according to a dependency relationship on a signal flow; wherein the BN refers to a Bayesian network. The problems of low diagnosis work efficiency, low engineering practicability and the like in the prior art are solved.

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16-05-2023 дата публикации

Method for calculating open-circuit voltage of all-vanadium redox flow battery

Номер: CN116125286A
Принадлежит:

The invention discloses an all-vanadium redox flow battery open-circuit voltage calculation method, and the method comprises the steps: building the relation between the all-vanadium redox flow battery open-circuit voltage and the state of charge based on a Nernst equation, and adding a correction coefficient related to the electrolyte flow; the electrolyte flow is fixed, the battery is charged and discharged, and a relation curve of the open-circuit voltage and the state of charge under the flow is obtained through an experiment; according to an experimental result, utilizing a genetic algorithm to identify each correction coefficient; and changing the electrolyte flow for multiple times, and fitting the relationship between each correction coefficient and the electrolyte flow by using a polynomial. For a specific flow battery, the above steps are sequentially completed, and a complete open-circuit voltage calculation method can be obtained. According to the method for calculating the ...

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14-07-2023 дата публикации

System and method for reducing power consumption of coal mine wagon accurate positioning identification card

Номер: CN116437427A
Принадлежит:

The invention discloses a coal mine wagon accurate positioning identification card power consumption reduction system. The system comprises a positioning base station, a card reader and a wagon identification card. The card reader is arranged on a locomotive head; the wagon identification card comprises an MCU main controller, a motion state detection module, a transmitting power control module and a positioning module gating circuit, wherein the motion state detection module, the transmitting power control module and the positioning module gating circuit are electrically connected with the MCU main controller. The positioning module gating circuit is electrically connected with an RFID positioning module and a UWB positioning module. The motion state detection module detects the motion state of the wagon and sends the motion state to the MCU main controller; the MCU main controller controls the positioning module to gate the circuit according to the movement state of the railway wagon, ...

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11-07-2023 дата публикации

Method and device for automatic test and early warning of optical power, and medium

Номер: CN116418398A
Принадлежит:

The embodiment of the invention discloses an optical power automatic test early warning method and device and a medium, and the method comprises the steps: obtaining a preset optical fiber detection circuit corresponding to each optical fiber module, obtaining the feature data of the preset optical fiber detection circuit, and determining the slope change range of the optical power of the preset optical fiber detection circuit according to the feature data; acquiring optical power data of a received signal in the to-be-detected equipment, and calculating a slope change value of an optical signal in a preset time period; if the slope change value does not belong to the slope change range, predicting a target change value of the optical power according to an initial power value corresponding to the to-be-detected equipment and a sending signal of the optical fiber detection circuit; obtaining an actual change value according to the difference between the slope change value and the target ...

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11-08-2023 дата публикации

Ring main unit live display device fault detector and control method thereof

Номер: CN116577712A
Принадлежит:

The invention discloses a ring main unit live display device fault detector comprising a single-chip microcomputer, a power amplification and boost circuit, a voltage and current detection and conditioning circuit, a display, a battery charging and discharging management circuit, a rechargeable battery and an output terminal which are mutually combined for use. The invention further provides a control method of the fault detector for the electrified display device of the ring main unit, the fault detector adopts a rechargeable battery to supply power, is simple in external wiring, small in size, light in weight and convenient to carry and use, cannot cause wrong indication of the electrified state of equipment, is very safe for equipment operation and operation and maintenance personnel, also reduces a lot of troubles for field operation, and improves the working efficiency. The single-chip microcomputer and the sine wave pulse width modulation technology are adopted, the input voltage ...

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20-07-2016 дата публикации

Anal -intestinal dilator

Номер: CN0205386280U
Автор: HU YU
Принадлежит:

... 本实用新型公开了种肛肠扩张器。涉及医用器材领域。该肛肠扩张器包括扩张圆筒和外延部分,所述外延部分固定连接在扩张圆筒的上端,所述外延部分包括固定片和导入片,所述固定片的表面均匀设置有吸盘,所述导入片的外壁开有通孔,所述导入片与扩张圆筒的上端连接处固定连接有加强块,该肛肠扩张器可以很方便的导入患者的肛肠内部,使用方便,同时不易从肛肠内部滑出,提高了医护人员的手术效率。 ...

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25-07-2023 дата публикации

Intelligent temperature control method and system for continuous glass tempering furnace

Номер: CN116481332A
Принадлежит:

The invention discloses an intelligent temperature control method and system for a continuous glass tempering furnace, and relates to the field of glass tempering temperature control. The method comprises the following steps: when the toughening furnace is empty, controlling all heating wires in the furnace to operate according to heat preservation power; when it is detected that glass is about to enter the furnace after the furnace is empty, furnace entering waiting is executed, and the time from the moment when the glass is detected to the moment when the glass enters the furnace is longer than the preset furnace entering waiting time; and controlling the heating wires in the furnace to run for a delay time row by row according to the heating power in the transportation direction while waiting for entering the furnace, and controlling the heating wires to continuously run according to normal power after the delay time. And the glass can also absorb enough heat when entering the toughening ...

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30-05-2023 дата публикации

Preparation method of modified activated carbon

Номер: CN116173902A
Принадлежит:

The invention relates to the technical field of activated carbon preparation, and provides a preparation method of modified activated carbon, which comprises the following steps: S1, taking activated carbon as a raw material, soaking the activated carbon in a soaking solution, washing the soaked activated carbon with deionized water until the activated carbon is neutral, carrying out suction filtration after washing, and drying under a certain temperature condition; and S2, in the N2 protection atmosphere, performing high-temperature heat treatment on the dried activated carbon in the step S1, cooling to room temperature in the N2 protection atmosphere after the high-temperature heat treatment, and then taking out to obtain the modified activated carbon. Aiming at the structural characteristics and molecular equivalent diameter of benzopyrene in wastewater, the modified activated carbon prepared by taking activated carbon with a methylene blue value greater than 850 mol/L as a raw material ...

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20-06-2023 дата публикации

Special compound fertilizer for medicago sativa seeds as well as preparation method and use method of special compound fertilizer

Номер: CN116265417A
Принадлежит:

The invention discloses a special compound fertilizer for alfalfa seeds, which comprises the following components in parts by weight: 20-22 parts of ammonium sulfate, 38-41 parts of monoammonium phosphate, 30-33 parts of potassium sulfate, 8-10 parts of borax and 0.3-0.5 part of copper sulfate. The invention also discloses a preparation method and a use method of the special compound fertilizer for alfalfa seeds. The compound fertilizer special for the alfalfa seeds is prepared according to the fertilizer requirement rule of alfalfa seed production and the common characteristics of soil in loess plateau and northwest semi-arid irrigated areas, the nutrient proportion is reasonable, the pertinence is high, and the fertilizer utilization rate is high.

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09-06-2023 дата публикации

Circulating cleaning pipeline for urinary surgery and cleaning method thereof

Номер: CN116236630A
Автор: HU YU
Принадлежит:

The invention discloses a circulating cleaning pipeline for urinary surgery and a cleaning method thereof.The circulating cleaning pipeline comprises a stretching-in pipe, the front end of the stretching-in pipe is fixedly connected with a guide head, the rear end of the stretching-in pipe is connected with an operation head, and the operation head comprises a cleaning branch pipe, a drainage branch pipe and a connecting pipe head; the front end of the connecting pipe head is connected and communicated with the rear end of the extending pipe, the cleaning branch pipe and the liquid discharging branch pipe are arranged on the two sides of the middle of the connecting pipe head and communicated with the connecting pipe head, a limiting piston is arranged at the rear end in the connecting pipe head, and a traction rod fixedly penetrates through the limiting piston. And the rear end of the traction rod extends to the outer side of the rear end of the connecting pipe head. In the process of ...

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21-04-2023 дата публикации

Method and device for predicting SOP of battery based on real-time temperature

Номер: CN115993539A
Автор: HU YU
Принадлежит:

The invention relates to a battery SOP prediction method and device based on real-time temperature, and a corresponding battery SOP prediction scheme is implemented according to a temperature interval where a battery is located, so that the maximum current or maximum power corresponding to the current situation is predicted. Moreover, in the process of predicting the SOP of the battery, the influence of the discharge cut-off voltage and overheating is mainly considered for the maximum current or maximum power under continuous discharge, and the influence of the discharge cut-off voltage is mainly considered for the instantaneous maximum current or maximum power. According to the prediction scheme of the battery SOP, very important parameters can be provided for operation of a terminal product where the battery is located.

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16-05-2023 дата публикации

Flow battery performance prediction method based on flow nonuniformity among monomers

Номер: CN116125285A
Принадлежит:

The invention discloses a flow battery performance prediction method based on flow non-uniformity among monomers, and the method comprises the steps: carrying out the numerical calculation of an internal flow field of a galvanic pile, and obtaining the flow distribution of each monomer; enabling the monomers to be equivalent to independent circuits and serially connecting the independent circuits to form a galvanic pile equivalent circuit; carrying out isothermal sample experiments to obtain response curves of all the monomers, and carrying out parameter identification on equivalent circuits of all the monomers by utilizing a genetic algorithm; establishing a temperature field model of the flow battery system based on energy conservation; coupling the galvanic pile equivalent circuit model with the temperature field model based on a modified Nernst equation; carrying out a non-isothermal sample experiment and carrying out parameter identification on the temperature field model; the obtained ...

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01-08-2023 дата публикации

Wellhead natural gas heating system

Номер: CN116517502A
Принадлежит:

The invention discloses a wellhead natural gas heating system, which comprises a solar concentrating and frequency dividing module used for concentrating solar energy and carrying out frequency division; the solar photo-thermal module is used for converting part of solar energy after frequency division into heat energy and carrying out heat transfer; the air energy heat pump module is used for performing heat cycle by using a low-temperature and low-pressure working medium to release heat energy; and the wellhead natural gas heating and conveying module is used for heating wellhead natural gas by utilizing the heat energy transmitted by the solar photo-thermal module or the heat energy released by the air energy heat pump module.

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30-05-2023 дата публикации

Battery SOC prediction method and device

Номер: CN116184203A
Автор: HU YU, LIANG ZHUOFU
Принадлежит:

The invention relates to a battery SOC prediction method and device, and the method comprises the steps: obtaining a prediction current; determining the temperature and impedance corresponding to any sampling point in a future preset interval; calculating Joule heat in the future preset interval according to the predicted current and the impedance corresponding to any sampling point in the future preset interval; and predicting the SOC of the battery according to the Joule heat in the future preset interval. According to the scheme provided by the invention, the temperature and impedance of the sampling point in the future interval are predicted according to the law of conservation of energy, so that other energy (including Joule heat or Joule heat and reversible reaction heat) in the unreleased energy except the electric energy for doing work is obtained, and the SOC of the battery is predicted. The scheme of the invention is simple and easy to implement, and the precision of the predicted ...

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09-06-2023 дата публикации

Movable hydraulic trolley formwork supporting system

Номер: CN116241070A
Принадлежит:

The invention discloses a movable hydraulic trolley formwork supporting system, which belongs to the technical field of building formwork supporting and comprises a trolley main frame, a traveling mechanism, a formwork structure, an auxiliary positioning mechanism and a pushing mechanism. The trolley main frame comprises stand columns and connecting rods, and the stand columns are arranged at intervals and connected through the connecting rods. The walking mechanism comprises a guide rail, a base and rollers, the guide rail is fixedly arranged on the base, and the rollers are arranged at the bottom of the trolley main frame and are in sliding fit with the guide rail; the formwork structure comprises a supporting framework and a panel, the supporting framework is arranged on the top of a stand column of the trolley main frame, and the panel is laid on the top of the supporting framework. The auxiliary positioning mechanism comprises a hydraulic oil cylinder and base plates, and the base ...

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30-05-2023 дата публикации

Method and device for detecting self-discharge performance of battery

Номер: CN116184235A
Автор: HU YU
Принадлежит:

The invention provides a method and a device for detecting the self-discharge performance of a battery, and the method comprises the steps: firstly measuring an open-circuit voltage difference value caused by the change of DOD due to the discharge of the battery at a first current in a preset DOD interval in a process of detecting the self-discharge performance of the battery; then the battery is discharged with a very small second current, the K value actually measured in the process comprises the K value caused by discharging with the second current and the K value of self-discharging of the battery cell, and then the K value caused by discharging of the battery cell with the second current is determined according to the open-circuit voltage difference value, the preset DOD interval, the second current and the capacity of the battery cell; therefore, the self-discharge K value of the battery cell is determined. According to the method and the device for detecting the self-discharge performance ...

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09-05-2023 дата публикации

Laser cladding composite layer with adjustable reinforced phase distribution state and preparation method of laser cladding composite layer

Номер: CN116083901A
Принадлежит:

The invention relates to the field of laser cladding, and particularly discloses a laser cladding composite layer with an adjustable reinforced phase distribution state and a preparation method thereof, and the preparation method comprises the following steps: S1, selecting reinforced phase particles and alloy powder as laser cladding raw materials, and mixing; s2, the mixed powder is placed on a base material to be subjected to laser cladding, when the density of reinforced phase particles is larger than the density of alloy powder, the temperature of a molten pool is 1600-1800 DEG C during laser cladding, and the external magnetic field intensity of the base material is adjusted to be 0-3000 mT; and when the density of the reinforced phase particles is smaller than that of the alloy powder, the temperature of the molten pool is 1800-2000 DEG C, and the external magnetic field intensity of the base material is adjusted to be 0-2000 mT. The invention further discloses the laser cladding ...

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25-07-2023 дата публикации

Construction technology of foundation pit waterproof protection layer based on cement fiber composite board

Номер: CN116479947A
Принадлежит:

The invention relates to a construction process of a foundation pit waterproof protection layer based on a cement fiberboard, which comprises the following steps: A, pouring the bottom of a foundation pit: pouring the protection layer on a waterproof coiled material on the bottom surface of the foundation pit by using concrete, and measuring the number and the plane size of the plane where the waterproof coiled material on the inclined surface of the foundation pit is positioned after pouring; b, plate matching is conducted, specifically, prefabricated cement fiberboards are selected, and cutting matching of the cement fiberboards is conducted according to the number of planes where the foundation pit slope waterproof roll is located and the plane size; and C, bonding and fixing are conducted, specifically, an adhesive is prepared, the position between the cement fiberboard and the waterproof coiled material is coated with the adhesive in a point coating mode, the waterproof coiled material ...

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23-06-2023 дата публикации

Production scheduling method and system suitable for packaging industry

Номер: CN116307601A
Принадлежит:

The invention provides a production scheduling method and system suitable for a packaging industry, and the method and system can be applied to a one-headquarter multi-base scene, and the method comprises the steps: splitting a contract order, and forming to-be-scheduled sub-orders; arranging the to-be-scheduled sub-orders to a sub-order queue position of a production line to form an initial schedule; and based on the initial schedule, forming a schedule population and performing optimization. According to the method, the intelligent problem of multi-production-line set batch scheduling in the packaging and can-making industry is solved, the production scheduling scheme is optimized, and a monthly plan and a daily plan under raw material limitation can be formulated based on the scheduling.

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01-08-2023 дата публикации

Traffic mirroring method and device

Номер: CN116527690A
Автор: LIU HAO, HU YU, FENG GU
Принадлежит:

The invention discloses a traffic mirroring method and device, relates to the technical field of traffic mirroring, and mainly aims to reduce the probability of kernel deadlock during traffic mirroring. According to the main technical scheme, the method comprises the steps that flow related to a first network card is mirrored in a kernel of a host to obtain mirrored flow, and the first network card is a network card needing flow mirroring in the host; deadlock prevention processing is carried out on the mirror image traffic, and the deadlock prevention processing is used for preventing deadlock of the kernel; and sending the mirror image traffic after the anti-deadlock processing to a traffic collector.

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06-06-2023 дата публикации

Power-assisted exoskeleton motion intention recognition method

Номер: CN116211326A
Принадлежит:

The invention relates to a power-assisted exoskeleton motion intention recognition method, which comprises the following steps of: obtaining an original electromyographic signal, and denoising through a self-adaptive wavelet threshold denoising algorithm based on sample entropy to obtain a denoised electromyographic signal; for the denoised electromyographic signals, obtaining a segmented electromyographic sequence through action sequence detection and segmentation; for the segmented myoelectricity sequence, multi-modal characteristic parameters are obtained through multi-dimensional myoelectricity characteristic value extraction; and for the multi-modal feature parameters, adopting motion intention recognition based on deep forest multi-dimensional feature fusion to obtain a motion intention recognition result. Compared with the prior art, the method has the advantages of high anti-interference capability, high accuracy, high robustness and the like.

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04-08-2023 дата публикации

Method for rapidly preparing laser cladding functional gradient coating and obtained coating

Номер: CN116536665A
Принадлежит:

The invention belongs to the technical field of laser cladding coatings, and particularly relates to a method for rapidly preparing a laser cladding functional gradient coating and the obtained coating, and the method comprises the following steps: (1) premixing a ceramic particle component and first alloy powder; (2) the obtained premixed powder and second alloy powder are fed to the surface of a base body according to the respective powder feeding speed, meanwhile, laser cladding is conducted on the powder on the surface of the base body, and a bottom layer, a transition layer and a functional layer are formed on the surface of the base body in sequence; the corresponding premixed powder feeding rates of all the layers are marked as X1, X2 and X3 respectively, the second alloy powder feeding rates are marked as Y1, Y2 and Y3 respectively, X2 = a * (X1 + (X3-X1)/2), Y2 = b * (Y1 + (Y3-Y1)/2), a = 0.6-1.0, and b = 1.0-1.2. According to the invention, the internal stress of each layer is ...

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14-07-2023 дата публикации

Remote acceptance device and method for construction quality

Номер: CN116437041A
Принадлежит:

The invention discloses a remote acceptance device and method for construction quality, and the device comprises a remote server, and an audio and video collection mechanism, a video conference module and an acceptance conference summary module which are in communication connection with the remote server. The audio and video acquisition mechanism can be used for acquiring construction data of a construction site; the video conference module is used for initiating a remote service conference by the acceptance personnel and the site construction principal, and discussing the acceptance result based on the remote service conference so as to obtain a final acceptance result; visibly, the method and the system can realize the project quality acceptance of the acceptance personnel without limitation of time and places on the off-site, and a plurality of acceptance personnel can carry out the acceptance of the construction quality in a video conference mode, so that the influence on the accuracy ...

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23-06-2023 дата публикации

Heat dissipation charging pile

Номер: CN116278854A
Автор: HU YU
Принадлежит:

A heat dissipation charging pile comprises a charging cabinet body and a charging module with a heat dissipation fan, the charging module is fixedly installed in the charging cabinet body, and a first air inlet assembly matched with the charging module for heat dissipation is fixedly arranged at the bottom of the charging cabinet body. Second air inlet assemblies matched with the charging module for heat dissipation are fixedly arranged on the side walls of the two sides, close to the bottom, of the charging cabinet body, and an air outlet assembly matched with the charging module for air outlet is further fixedly arranged on the side wall of the other side of the charging cabinet body. The top of the charging cabinet body is fixedly provided with a heat dissipation assembly used for carrying out air suction and heat dissipation on the top of the charging cabinet body. Through a plurality of heat dissipation air outlet structures, the charging cabinet has an excellent heat dissipation function ...

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29-08-2023 дата публикации

Transmission crawling starting control method and device, electronic equipment and storage medium

Номер: CN116658611A
Принадлежит:

The invention discloses a transmission crawling starting control method and device, electronic equipment and a storage medium. The method comprises the steps that when a vehicle is in a crawling starting working condition, actual working condition parameters of the vehicle are obtained; the actual working condition parameters refer to vehicle operation parameters obtained under the crawling starting working condition; acquiring reference working condition parameters of the vehicle; wherein the reference working condition parameters refer to preset upper limit values of vehicle operation parameters under the crawling starting working condition; and based on the actual working condition parameters and the reference working condition parameters, determining that a transmission of the vehicle sends a torque increasing request, so that the vehicle performs crawling starting by increasing the torque of an engine. By analyzing the obtained actual working condition parameters and the reference ...

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11-04-2023 дата публикации

Device for quantitatively feeding powdery explosive

Номер: CN115950320A
Принадлежит:

The invention discloses a device for quantitatively feeding powdery explosives. The device comprises a funnel, a frame and a stirrer, a cylinder is fixedly connected to a lower end opening of the funnel, and the cylinder and the lower end opening of the funnel are of a symmetrical semi-closed structure; a through groove is transversely formed in the joint of the cylinder and the lower end opening of the funnel, and a funnel closing mechanism is rotationally connected into the through groove; a scale strip is carved on the inner wall of the funnel, two inner stand columns are fixedly arranged on the side, opposite to the scale strip, of the inner wall of the funnel, through holes are formed in the two inner stand columns, and the stirrer is in sliding connection with the through holes; the funnel is detachably connected with the frame; according to the method, the precision of the quantity of the powdery explosive in the blast hole is effectively improved, the field charging technology is ...

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11-04-2023 дата публикации

Solid beverage rich in bioactive polypeptide and preparation method thereof

Номер: CN115944041A
Принадлежит:

The invention discloses a solid beverage rich in bioactive polypeptide. The solid beverage is characterized by comprising the following components: 50-80 g/L of whey protein, 20-50 g/L of water-soluble starch, 2-5 g/L of polygonatum polysaccharide, 2-5 g/L of lycium barbarum polysaccharide, 2-5 g/L of poria cocos extract, 50-150 mg/L of casein calcium peptide, 30-80 mg/L of placenta polypeptide and the balance of purified water. According to the application, raw material viruses are screened, and low-pH virus inactivation and nanofiltration technologies are adopted in the preparation process, so that pathogenic microorganisms can be effectively removed; a low-temperature freeze-drying technology is adopted, so that the biological activity of the placenta extract is guaranteed to the maximum extent, and meanwhile, the problems of influence of factors such as preparation stability, transportation and preservation on the biological activity of placenta polypeptide and the like are solved.

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18-04-2023 дата публикации

Lithium battery equivalent circuit model parameter identification four-step method based on differential algebraic equation

Номер: CN115980583A
Принадлежит:

The invention discloses a lithium battery equivalent circuit model parameter identification four-step method based on a differential algebraic equation, and the method comprises the steps: selecting an equivalent circuit model of a lithium battery, and building the differential algebraic equation; constructing a loss function according to the equation and the voltage and current values of the battery end, and determining related constraint conditions and initial values of identification parameters; solving an ordinary differential equation set, calculating a loss function according to a solving result and the voltage and current values of the battery end, solving a partial derivative of each independent variable of the loss function, and substituting the partial derivative into a gradient descent method to obtain an identification parameter value of next iteration; iterating repeatedly until the minimum value of the loss function is obtained, and predicting the volt-ampere characteristic ...

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28-07-2023 дата публикации

Verification method and device of inertial sensor, electronic equipment and storage medium

Номер: CN116499496A
Принадлежит:

The invention discloses a verification method and device of an inertial sensor, electronic equipment and a storage medium. The calibration method of the inertial sensor comprises the following steps: determining a spatial distance between a target monitoring point of a vehicle and the inertial sensor; obtaining vehicle attitude information of the inertial sensor at the current moment and vehicle attitude information of the inertial sensor at historical moments; determining vehicle attitude information of the target monitoring point according to the spatial distance, the vehicle attitude information at the current moment and the vehicle attitude information at the historical moment; and when the vehicle attitude information of the target monitoring point is the same as the predicted vehicle attitude information, determining that the inertial sensor completes verification. According to the embodiment of the invention, the vehicle attitude information of the target detection point is determined ...

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18-04-2023 дата публикации

Regeneration method of waste powdered activated carbon

Номер: CN115970667A
Принадлежит:

The invention relates to the technical field of activated carbon regeneration, and provides a waste powdered activated carbon regeneration method, which comprises the steps of pulping, acid washing, alkali washing, pH value adjustment, dehydration, ultrasonic solvent washing, drying cracking, activation cooling and the like. According to the regeneration method of the waste powdered activated carbon provided by the invention, the waste powdered activated carbon is subjected to multi-stage pretreatment by adopting multiple pretreatment methods such as acid washing, alkali washing and ultrasonic solvent washing, so that the pretreatment effect is improved, and meanwhile, the corrosion and damage of the waste powdered activated carbon to related equipment in a cracking activation stage can be reduced; meanwhile, the waste powdered activated carbon subjected to multi-stage pretreatment can be recovered to or exceed the iodine value of new powdered activated carbon at a relatively low temperature ...

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