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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 20. Отображено 20.
30-12-2015 дата публикации

Power grid operation control and emergent command system based on thing networking

Номер: CN0204928371U
Автор: ZHANG JIAOJIAO, XU HONGFEI, YU RAN, PANG SIRUI, DU JIANWEN, ZHAO ZILAN, YU MENG, WEI WENLIANG, KOU XIAOXI, JIN SHEN, LI XUEMEI, ZHAO QINGKAI, WEN LINGFENG, NIE XIFAN, REN JIANWEI, WAN YING, ZHOU JIAKANG, FENG CHENHU, LIU TIANLI, YAN ZHONGPING, MA YUE, XING NINGZHE, XU LINGFENG, LI YUNPING, ZHAO XIN
Принадлежит:

The utility model relates to an electric wire netting control technology field, especially a power grid operation control and emergent command system based on thing networking, including sensor module, sensor module is connected with regional information memory cell, regional information memory cell is connected with wireless sensor network through the reinforcing server, wireless sensor network is connected with the host computer, the host computer is connected with audible -visual annunciator. After the structure of the oil adding device is adopted, the utility model discloses a sensor module detects electric wire netting working parameter, then transmits to judge whether there is the safety problem for the host computer, if have then report to the police through audible -visual annunciator. In addition, maintainer is still given through internet and the transmitter data of wireless communication net to the host computer, and the circular safety problem reaches and specifically takes ...

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Номер записи: 1
02-05-2023 дата публикации

Construction and identification method of power quality disturbance identification model based on knowledge graph

Номер: CN116049448A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, LI XIN, XIAO NA, MA YUE, XING NINGZHE, PANG SIRUI, WANG YIFEI, YANG YIXI
Принадлежит:

The invention provides a construction and identification method of a power quality disturbance identification model based on a knowledge graph. The construction method comprises the following steps: acquiring all known disturbance signals in a known disturbance signal set; processing the known disturbance signal to obtain a wave recording image of the known disturbance signal and a semantic description corresponding to the wave recording image; obtaining an electric energy disturbance knowledge graph of the known disturbance signal according to the semantic description of the known disturbance signal; and according to the wave recording image of the known disturbance signal and the electric energy disturbance knowledge graph, jointly training the convolutional neural network, the knowledge representation learning model and the electric energy quality disturbance identification network, and constructing the trained convolutional neural network, knowledge representation learning model and ...

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Номер записи: 2
05-05-2023 дата публикации

Voltage interval calculation method, device and equipment for digital twin power distribution network

Номер: CN116070535A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, LI XIN, XIAO NA, YANG YIXI, XING NINGZHE, LOU JING, PANG SIRUI, ZHANG HAIMING, WANG YIFEI, SHANG FANGJIAN, WEN XIN, YAO YANLI, LI XINYI, BIAN LU
Принадлежит:

The invention relates to the technical field of intelligent power distribution networks, in particular to a voltage interval calculation method, device and equipment for a digital twin power distribution network, and the method comprises the steps: building an active power and reactive power uncertainty interval model of the digital twin intelligent power distribution network; calculating a three-phase voltage interval radius and a three-phase current unbalance degree by using a three-phase current injection method according to the active power and reactive power uncertainty interval model; initializing a real component and an imaginary component of the three-phase voltage interval according to the radius of the three-phase voltage interval; determining a three-phase voltage interval solution by using a Krawczyk interval operator; and calculating a three-phase voltage interval solution by using angle rotation and interval expansion to obtain a voltage interval. Through the embodiment of ...

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Номер записи: 3
28-01-2015 дата публикации

Communication network building method and device

Номер: CN104320229A
Автор: YU RAN, XU HONGFEI, PANG SIRUI, ZHANG JIAOJIAO, GUO JIAQI, DU JIANWEN, JIN SHEN, ZHAO QINGKAI, LI XUEMEI, MA YUE, WEN LINGFENG, YAN LEI
Принадлежит:

The invention provides a communication network building method and device, relates to the technical field of electric power telecommunication networks and aims to solve the problems in the prior art of poor communication network reliability and low communication network safety. The communication network building method includes: obtaining feature information of all nodes in sub networks except key nodes, wherein a communication network includes at least one sub network, each sub network comprises one key node, and the feature information is used for representing the link connection state and/or network performance of a node network; determining flow nodes in the sub networks according to the obtained feature information of all the remained nodes, wherein the flaw nodes are those with fewer than three paths to the key nodes; seeking nodes adjacent to the flow nodes in the sub networks, building directed links between the flow nodes and the sought nodes adjacent to the flow nodes so as to ...

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Номер записи: 4
28-01-2015 дата публикации

QoS (Quality of Service) business control method in power telecommunication net

Номер: CN104320358A
Автор: LYU HAIJUN, GUO JIAQI, JI YUTONG, PANG SIRUI, XING NINGZHE, ZHAO QINGKAI, YUAN WEIGUO, XU DAWEI, TIAN YU, LU BO
Принадлежит:

The invention discloses a QoS business control method in a power telecommunication net. The method comprises the following steps: providing a business classification standard of the power telecommunication net, setting business importance degree of a power system according to QoS demand, and distributing a DSCP (differentiated services code point) value according to high-low of the business importance degree and class of business; providing a QoS business control step in the power telecommunication net in addition, wherein the step mainly comprises two stages of QoS business identification and QoS route optimization, and two stages are specifically as follows: firstly performing QoS business classification and identification on a business stream entering the power telecommunication net, and then performing QoS route optimization control after obtaining the DSCP value. The QoS business identification have both characteristics of being fast and simple in port matching, robust, low in complexity ...

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Номер записи: 5
12-05-2023 дата публикации

Method and device for tracking low-orbit satellite by unmanned aerial vehicle antenna

Номер: CN116107348A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, YANG YIXI, YU RAN, WAN YING, SONG WEI, WU SHUN, ZHAO ZILAN, MA YUE, XING NINGZHE, PENG BAI, PANG SIRUI, LI YINTAO, ZHANG HUI, LAI YUAN
Принадлежит:

The invention relates to the technical field of low-orbit satellite tracking, in particular to a method and device for tracking a low-orbit satellite through an unmanned aerial vehicle antenna, and the method comprises the steps: estimating the latitude and longitude values of an unmanned aerial vehicle phased array terminal antenna through a latitude and longitude observer, and further calculating the target pitch angle of the satellite relative to the unmanned aerial vehicle phased array terminal antenna; and then a dynamic error threshold is established by considering an estimation error of a longitude and latitude observer so as to carry out fast approximation tracking or accurate tracking switching control, and meanwhile, the uncertainty of the unmanned aerial vehicle phased array terminal in the movement process is considered so that different tracking modes can be controlled and switched at any time. The problems that the uncertainty of the motion process of the unmanned aerial vehicle ...

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Номер записи: 6
26-05-2023 дата публикации

Target text type field label identification method and device

Номер: CN116166801A
Автор: LI XIN, MA YUE, LOU JING, XING NINGZHE, CHEN ZHONGTAO, WANG YIFEI, LIANG DONG, WANG JUN, WANG CHANG, SHANG FANGJIAN, LI XINYI, WEN XIN, ZHANG HAIMING, LIANG XIAO, LIU WEIWEI, YAO YANLI, WANG SEN, PANG SIRUI, SU DAN, NA QIONGLAN, ZHOU ZIKUO, JIANG YUNZHOU, QU HONGZE, WANG XIAOHUI, HUANG FUPENG, AN NINGYU, LEI SHUYA, ZHANG WENSI
Принадлежит:

The invention provides a target text type field tag identification method and device. The method comprises the steps of obtaining metadata information of a target database; screening out metadata information corresponding to the target text type field from the obtained metadata information and adding the metadata information to a list of objects to be recognized; according to the to-be-recognized object list, obtaining multiple pieces of to-be-recognized text data of the target text type field from a target database; classifying each piece of to-be-identified text data of the target text field by utilizing a pre-trained classification model of the target text field to obtain a label of each piece of to-be-identified text data of the target text field; and determining the label of the target text type field according to the labels of the plurality of to-be-identified text data of the target text type field. The method is suitable for analysis of massive complex text field data, and the data ...

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Номер записи: 7
27-06-2023 дата публикации

Power flow optimization method and device for power system fused with knowledge graph

Номер: CN116345470A
Автор: NA QIONGLAN, SU DAN, LI XIN, XIAO NA, YANG YIXI, REN JIANWEI, MA YUE, XING NINGZHE, PANG SIRUI, WU XIAOBO, LI LI, YU RAN, SHANG FANGJIAN, ZHANG HAIMING, LU QIANGSHU
Принадлежит:

The invention relates to the field of power systems, in particular to a power system power flow optimization method and device fusing a knowledge graph. The method comprises the following steps: acquiring power system performance parameters and a load state; according to the power system performance parameters and the load state, constructing a target function and a constraint condition related to a performance index; first optimization of the objective function is realized by utilizing the constraint condition; and performing second optimization on the target function after the first optimization by using the mayfly naiad algorithm to obtain an optimal solution of the target function. The fuel cost, the active power loss, the voltage deviation and the voltage stability jointly form an objective function to solve the optimal power flow problem, and different load levels are considered, so that the optimal power flow calculation is more accurate; and the improved mayfly naiad algorithm is ...

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Номер записи: 8
23-05-2023 дата публикации

Configuration method for distributed static synchronous compensator of power distribution network based on digital twinning

Номер: CN116154798A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, YANG YIXI, LI XIN, XIAO NA, MA YUE, XING NINGZHE, PANG SIRUI, WANG YIFEI, WU XIAOBO, YUE WEIPENG, YU SHENG
Принадлежит:

The invention provides a configuration method for a distributed static synchronous compensator of a power distribution network based on digital twinning, and the method comprises the steps: carrying out the calculation in a digital model of a target power distribution network, and obtaining an output parameter; obtaining a plurality of continuous value ranges corresponding to the node load and node load values respectively corresponding to the plurality of value ranges based on a node load uncertainty model; utilizing the original parameters, the output parameters and the node load values respectively corresponding to the plurality of value ranges to construct an optimal multi-objective function meeting constraint conditions of the plurality of value ranges; solving the optimal multi-objective function to obtain optimal installation nodes and optimal capacities respectively corresponding to a plurality of value ranges, and taking the optimal installation node and the optimal capacity with ...

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Номер записи: 9
01-04-2015 дата публикации

Multi-path fiber core test device and method

Номер: CN104485990A
Автор: SONG WEI, ZHAO QINGKAI, XING NINGZHE, YUAN WEIGUO, SU DAN, LI YINTAO, WU SHUN, XU XIN, PANG SIRUI, ZHANG JIAOJIAO, LU BO, YAN LEI, LI HUANYUAN, YANG RUI, WU JIA, GAO SONG
Принадлежит:

The invention provides a multi-path fiber core test device and method. The device comprises a pulse generator, a light source, a light path switch, a directional coupler, a photoelectric detector, a signal processing device, an MCU (micro control unit) chip and a main clock, wherein the light path switch is provided with a plurality of light transmission ports, each light transmission port is connected with a standby optical fiber, the pulse generator generates electric pulse signals and sends the electric pulse signals to the light source, the light source converts the electric pulse signals into light pulse signals, the light pulse signals are sent to the light path switch through the directional coupler, the light path switch is connected with the standby optical fiber of the corresponding light transmission port, the light pulse signals are transmitted to the standby optical fiber, the fed back light signals are received and are transmitted to the photoelectric detector through the ...

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Номер записи: 10
23-06-2023 дата публикации

Temperature adjusting system, method, device and equipment for cabinet of Internet of Things

Номер: CN116301107A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, LI XIN, YANG YIXI, SHANG FANGJIAN, MA YUE, XING NINGZHE, PANG SIRUI, YAO YANLI, WANG YIFEI, WEN XIN, ZHANG HAIMING
Принадлежит:

The invention relates to the technical field of electric power, in particular to a temperature adjusting system, method, device and equipment of an Internet of Things cabinet. The system comprises a plurality of temperature sensors which are respectively arranged at the inner side and the outer side of the cabinet and are used for collecting the internal temperature of the cabinet and the environment temperature of the cabinet; the temperature adjusting module is connected with the processing module and used for adjusting the temperature in the cabinet according to the temperature adjusting signal sent by the processing module; and the processing module is connected with the temperature sensor and the temperature adjusting module, and is used for comparing the standard temperature of the cabinet, the internal temperature of the cabinet acquired by the temperature sensor and the environment temperature, determining a temperature adjusting signal according to a temperature comparison result ...

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Номер записи: 11
23-05-2023 дата публикации

Power grid data quality determination method and device

Номер: CN116151668A
Автор: MA YUE, CHEN ZHONGTAO, LIANG DONG, LOU JING, XING NINGZHE, WANG YIFEI, LI XIN, WANG CHANG, WANG JUN, ZHANG HAIMING, WEN XIN, SHANG FANGJIAN, LI XINYI, LIANG XIAO, LIU WEIWEI, YAO YANLI, WANG SEN, PANG SIRUI, SU DAN, NA QIONGLAN, QU HONGZE, ZHOU ZIKUO, JIANG YUNZHOU, WANG XIAOHUI, HUANG FUPENG, AN NINGYU, LEI SHUYA, ZHANG WENSI
Принадлежит:

The invention relates to the field of data analysis, and provides a power grid data quality determination method and device, and the method comprises the steps: obtaining a power grid data set which comprises a plurality of power grid data samples; determining an index value of each evaluation index of each sample under each index classification; calculating a first weight of each evaluation index according to the index value of each sample in each evaluation index; calculating to obtain a second weight of each evaluation index according to score values of experts on the evaluation indexes under each classification; integrating the first weight and the second weight of each evaluation index to obtain the weight of each evaluation index; determining an optimal scheme and a worst scheme; calculating the distance between each sample and the optimal scheme and the distance between each sample and the worst scheme according to the weight of each evaluation index value and the index value of ...

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Номер записи: 12
09-05-2023 дата публикации

Data checking rule recommendation method and device and computer equipment

Номер: CN116089492A
Автор: LI XIN, CHEN ZHONGTAO, WEN XIN, WANG YIFEI, ZHANG HAIMING, LOU JING, SHANG FANGJIAN, LI XINYI, YAO YANLI, WANG SEN, PANG SIRUI, SU DAN, NA QIONGLAN
Принадлежит:

The invention relates to the technical field of computers, in particular to a data checking rule recommendation method and device and computer equipment. The data checking rule recommendation method comprises the steps of determining a to-be-checked data set according to a data checking rule recommendation request of to-be-checked data; determining a target field type of the to-be-checked data according to the to-be-checked data set; determining a data analysis rule according to the target field type; based on the data analysis rule, processing the to-be-checked data set to obtain analysis result information; and determining a target data checking rule according to the analysis result information. By utilizing the embodiment of the invention, the to-be-checked data set needing to be checked is analyzed to obtain the analysis result information, and then the target data checking rule is adaptively recommended according to the analysis result information, so that the resource waste is reduced ...

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Номер записи: 13
07-04-2023 дата публикации

Intelligent terminal safety monitoring device

Номер: CN115920278A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, YANG YIXI, ZHANG SHIJUN, LAI JI, ZENG JING, XIAO NA, PANG SIRUI, LOU JING, XING NINGZHE, LEE HYUN, LIU YUN, XU HONGFEI, YANG CHUN, LYU BING
Принадлежит:

The invention discloses an intelligent terminal safety monitoring device, belongs to the technical field of fire safety, and aims to solve the problem that an existing dry powder fire extinguishing device affects normal use of equipment for the electric power Internet of Things. The intelligent terminal safety monitoring device comprises a detection unit (319), a control unit (318) and a fire extinguishing agent reaction box (3) which are connected in sequence; the fire extinguishing agent reaction box (3) is internally provided with a storage area and a reaction chamber (306), the storage area comprises two placement chambers (305), the two placement chambers (305) are internally provided with a first agent and a second agent respectively, the first agent and the second agent can be mixed and react to generate carbon dioxide gas and foam, and the carbon dioxide gas and the foam can be discharged from an outlet (304). The intelligent terminal safety monitoring device not only can effectively ...

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Номер записи: 14
05-05-2023 дата публикации

Power system load prediction method and device based on knowledge graph and data driving

Номер: CN116070804A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, LI XIN, XIAO NA, JIN SHEN, WANG KAILIANG, MA YUE, XING NINGZHE, PANG SIRUI, ZHANG HAIMING, YAO YANLI
Принадлежит:

The invention provides a power system load prediction method and device based on a knowledge graph and data driving. The method comprises the steps of obtaining uncertainty factors of a current period and power load historical data; importing the uncertainty factor into the power load fluctuation knowledge graph to obtain the relevancy between the uncertainty factor and the power load change rate; importing the relevancy into a trend rate expression model to obtain a power load trend rate of the next period; selecting a power load prediction network matched with the power load trend rate from the power load prediction network group according to the power load trend rate; and importing the historical data of the power load into the selected power load prediction network to obtain the prediction data of the power system load in the next period, so that the prediction data of the future power load can be determined by using the current power load data, and the influence of uncertain factors ...

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Номер записи: 15
11-04-2023 дата публикации

Data cleaning method and device, computer equipment and readable medium

Номер: CN115952156A
Автор: WANG YIFEI, LI XIN, CHEN ZHONGTAO, ZHANG HAIMING, WEN XIN, LOU JING, SHANG FANGJIAN, LI XINYI, YAO YANLI, WANG SEN, NA QIONGLAN, PANG SIRUI, SU DAN
Принадлежит:

The invention relates to the technical field of computers, in particular to a data cleaning method and device, computer equipment and a readable medium. The data cleaning method comprises the following steps: performing repeated value removal, invalid value correction and abnormal value correction processing on a to-be-cleaned data set to obtain a to-be-evaluated data set; processing the to-be-evaluated data set by using the data evaluation model to obtain a processed data level of the to-be-evaluated data set; and taking the to-be-evaluated data set as a cleaned data set under the condition of determining that the processed data level meets the preset condition. By means of the data cleaning method and device, repeated value removal, invalid value correction and abnormal value correction are conducted on the to-be-cleaned data set, output is conducted when the obtained to-be-evaluated data set meets the preset condition, and the accuracy of the cleaned data obtained after data cleaning ...

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Номер записи: 16
25-03-2015 дата публикации

Communication bandwidth prediction method and device based on power business requirements

Номер: CN104463351A
Автор: PANG SIRUI, ZHANG JIAOJIAO, YU RAN, XU HONGFEI, GUO JIAQI, DU JIANWEN, JIN SHEN, ZHAO QINGKAI, LI XUEMEI, MA YUE, WEN LINGFENG
Принадлежит:

The invention discloses a communication bandwidth prediction method and device based on power business requirements and relates to the field of power grid communication technologies. The communication bandwidth prediction method and device based on the power business requirements mainly aim at improving the accuracy of business flow calculation and guaranteeing the scientificity and reasonability of infrastructure investments of all levels of communication networks of an enterprise. According to the main technical scheme, power businesses are classified according to bearing modes; communication bandwidth of the power business requirements are counted to obtain historical data for demand prediction predication of the communication bandwidth of different types of businesses according to corresponding bandwidth counting methods, and data of an influence factor system for communication bandwidth prediction are given; the data of the influence factor system for communication bandwidth prediction ...

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Номер записи: 17
06-06-2023 дата публикации

Method and device for calculating communication outage probability during hovering fluctuation of unmanned aerial vehicle

Номер: CN116233867A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, YANG YIXI, YU RAN, WAN YING, SONG WEI, WU SHUN, ZHAO ZILAN, MA YUE, XING NINGZHE, PENG BAI, PANG SIRUI, LI YINTAO, WU ZHIDONG
Принадлежит:

The invention relates to the field of unmanned aerial vehicle communication, in particular to a method and device for calculating the communication outage probability during hovering fluctuation of an unmanned aerial vehicle. The method comprises the following steps: based on a free space optical communication link and a radio frequency link, establishing a working process taking an unmanned aerial vehicle as a relay node, calculating a system outage probability and an outage capacity in a communication process and an outage probability asymptotic value under a high signal-to-noise ratio, analyzing system performance of the unmanned aerial vehicle in different environments, and determining the system performance of the unmanned aerial vehicle. The stability of communication between the unmanned aerial vehicle and the satellite is improved. According to the embodiment of the invention, the method solves a problem that in the prior art, factors considered for the communication interruption ...

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Номер записи: 18
16-05-2023 дата публикации

Unmanned aerial vehicle for construction operation site

Номер: CN116119051A
Автор: NA QIONGLAN, SU DAN, REN JIANWEI, ZHANG JIAOJIAO, ZHAO ZILAN, SONG WEI, YAO YANLI, LI XIN, WANG YIFEI, PANG SIRUI, XING NINGZHE, ZHANG JIDONG, LI HUANYUAN, WAN YING, WU SHUN
Принадлежит:

The invention provides an unmanned aerial vehicle for a construction operation site. The unmanned aerial vehicle comprises a vehicle body and a vehicle frame connected with the vehicle body, an observation assembly is connected to the machine body and used for photographing observation. A propeller assembly is connected to the rack and used for providing power for the unmanned aerial vehicle. An electric rotating rod is connected to the machine body, and a plurality of rubber rods are connected to the end, away from the machine body, of the electric rotating rod; when the electric rotating rod rotates, the rubber rod is in an open state to form a round face with the rubber rod as the radius, and the round face covers the upper portion of the fuselage and the upper portion of the propeller assembly to protect the fuselage and the propeller assembly. When the electric rotating rod does not rotate, the rubber rod is vertically downward and is perpendicular to the round face, and the rubber ...

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Номер записи: 19
09-05-2023 дата публикации

Multi-source address information identification method and device

Номер: CN116090443A
Автор: WANG YIFEI, MA YUE, LIANG DONG, LOU JING, XING NINGZHE, LI XIN, CHEN ZHONGTAO, WANG JUN, WANG CHANG, WEN XIN, ZHANG HAIMING, SHANG FANGJIAN, LI XINYI, LIANG XIAO, LIU WEIWEI, YAO YANLI, WANG SEN, PANG SIRUI, SU DAN, NA QIONGLAN, ZHOU ZIKUO, JIANG YUNZHOU, QU HONGZE, WANG XIAOHUI, HUANG FUPENG, AN NINGYU, LEI SHUYA, ZHANG WENSI
Принадлежит:

The invention provides a multi-source address information identification method and device, and the method comprises the steps: obtaining table structure information and table data information of each data table in a business scene according to the business scene and the data table in the business scene; performing address character labeling processing on the table structure information of each data table in the business scene to obtain an address attribute of the table structure information of each data table; obtaining an address text from the table data information according to the address attribute of the table structure information of each data table; and normalizing the obtained address text, and inputting the normalized address text of each user in every two data tables in the service scene into a predetermined recognition model to obtain a matching result of the addresses in every two data tables of each user in the service scene. According to the method, the information quality ...

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Номер записи: 20