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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 10. Отображено 10.
27-06-2023 дата публикации

NR-U-based efficient access method for federal learning of power internet

Номер: CN116347646A
Автор: LUO XIAN, LIAO RONGTAO, DAI DANGDANG, YANG RONGHAO, LI XIANG, YAO WEIQING, DONG LIANG, LIU FEN, ZHANG DAI, GUO YUE, WANG YIXI, LI LEI, MENG HAOHUA, WANG JINGJING, HU HUANJUN, YUAN XIANGYU, WANG BOTAO
Принадлежит:

The invention relates to an NR-U-based power internet federated learning efficient access method, which comprises the following steps of: proposing a WiFi and NR-U friendly coexistence mechanism by utilizing a point coordination function (PCF); according to the WiFi and NR-U friendly coexistence mechanism, a federated learning system model running in the NR-U is established, the system model comprises a central server and K power Internet of Things terminals, model training is carried out between the central server and the power terminals in a non-competition period CFP, and mutual communication is completed through the NR-U; according to the established system model, a combined power equipment selection and bandwidth allocation optimization method is designed, and high-efficiency model training and low-delay communication under large-scale power equipment access are realized under the condition that performance requirements of a WiFi network and an NU-R network are ensured. According to ...

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Номер записи: 1
25-04-2023 дата публикации

Data center network data transmission optimization method

Номер: CN116016223A
Автор: LI XIANG, GUO YUE, KE WANGSONG, LIU XIN, ZHU ZHAOYU, HUANG CHAO, LIANG YUAN, LI DESHI, DONG LIANG, ZHUANG YAN, HU YAODONG, DAI JUNFENG, ZHANG YONG, LIAO RONGTAO, FENG WEIDONG, LIU FEN, WANG YIXI, HE LIANG, WANG JIE, WANG HONGWEI, LUO XIAN, LI LEI, CHEN SHI, WANG SHENGWEI, ZHU GUOWEI, DAI DANGDANG
Принадлежит:

The invention relates to a data center network data transmission optimization method. The method comprises the following steps: reading the data message quantity transmitted to a control center by each device in each of the first n periods; the control center receives the message receiving rate and the historical message receiving rate sequence of each device in the scheduling period; the historical message reception rate sequence is used as a training set, LSTM neural network parameters are updated by using a back propagation algorithm, and a data center equipment transmission rule learning model is constructed; carrying out normalization transformation on the message receiving rate of each device at the current moment t, and then taking the message receiving rate as the input of the prediction model to obtain a prediction value; and finding an optimal scheduling period according to the predicted optimization objective function of the interval generated by each message of each device on ...

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Номер записи: 2
02-05-2023 дата публикации

Data center equipment operation data dual-scale prediction method

Номер: CN116048910A
Автор: ZHUANG YAN, DONG LIANG, GUO YUE, ZHU ZHAOYU, LI DESHI, HU YAODONG, KE WANGSONG, LI XIANG, LIANG YUAN, HUANG CHAO, ZHOU ZHENG, LIAO RONGTAO, YUAN HUI, HE LIANG, FENG WEIDONG, WANG JIE, WANG YIXI, LUO XIAN, YAO WEIJING, HU HUANJUN, LI LEI, QIU SHUANG, ZHU GUOWEI, DAI DANGDANG, ZHAN WEI, ZHOU LEI
Принадлежит:

The invention relates to a dual-scale prediction method for operation data of data center equipment. The dual-scale prediction method comprises the following steps: reading time series data generated by operation of the data center equipment; obtaining a large-scale fluctuation sequence and a small-scale fluctuation sequence; in the large-scale fluctuation sequence, in order to reduce the calculation complexity and predict the long-term change trend of the equipment state, data at all moments in the large-scale fluctuation sequence are combined to form all time periods, namely a large-scale equipment operation state sequence, and the time periods are used as scales for predicting the large-scale equipment operation state sequence; performing large-scale prediction by using a sliding window k-nearest neighbor prediction method and a pre-matching mode; performing small-scale prediction by using an AR prediction model; and obtaining equipment operation data at the next moment based on the ...

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Номер записи: 3
06-06-2023 дата публикации

Optical fiber transmission system applied to digital video

Номер: CN116233373A
Автор: ZHAO JINHUI, HE TAO, MA JUNPING, FENG WEIDONG, XU JIE, HU LINA, GUO FENG, TANG YI, HE LIANG, LUO XIAN, LI LEI, LIAO RONGTAO, CHEN JIALIN, GUO YUE, LI XI, ZHOU ZHIRUI, ZHAO TING, DAI DANGDANG
Принадлежит:

The invention discloses an optical fiber transmission system applied to a digital video, which comprises a data input end and a data receiving end, and the data input end is connected with the data receiving end through an optical fiber; the data input end is used for collecting and converting digital video signals, the digital camera collects the video signals, optical signal conversion is completed through the circuit board, and then data are sent through the optical fiber receiving and transmitting module; and the data receiving end is used for converting the received signal and then outputting video data, and the conversion process of the received signal is opposite to the sending process of the data input end.

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Номер записи: 4
18-04-2023 дата публикации

Electric power Internet of Things wireless network access method based on RIS technology

Номер: CN115988439A
Автор: LUO XIAN, LIAO RONGTAO, DAI DANGDANG, YANG RONGHAO, LI XIANG, YAO WEIQING, DONG LIANG, LIU FEN, ZHANG DAI, GUO YUE, WANG YIXI, LI LEI, MENG HAOHUA, WANG JINGJING, HU HUANJUN, YUAN XIANGYU, WANG BOTAO
Принадлежит:

The invention relates to an electric power Internet of Things wireless network access method based on an RIS technology. The method comprises the following steps: constructing an electric power Internet of Things communication architecture based on the RIS technology in a city scene; according to the established power Internet of Things communication architecture, designing a corresponding target optimization function, and by optimizing RIS phase shift, base station beam and user selection, ensuring that a service buffer queue of a user does not exceed a threshold value, ensuring the service quality of the user, and realizing stable connection of the power Internet of Things users; based on the proposed target optimization function, in combination with a corresponding constraint condition and a service buffer queue of a user, the target optimization function is subjected to Lyapunov optimization to establish a distributed Markov decision process, and then optimization solution is realized ...

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Номер записи: 5
18-04-2023 дата публикации

Artificial intelligence intrusion and attack simulation system based on knowledge graph

Номер: CN115982719A
Автор: LONG FEI, JIN BO, CHEN SHI, XIA FAN, ZHA ZHIYONG, GAO FEI, CHEN JIALIN, YU ZHENG, XU HUAN, DAI DANGDANG, ZHAO QINGYAO, MEI ZIWEI, WEI XIAOYAN, MENG HAOHUA, ZHAN WEI, YU MINGYANG, ZHENG LEI, ZOU CHENGCHENG, XIAO DONGLING, LIANG HANGHAN, WU GENG, DONG CHENXI, LIU ZHONGPEI, FENG WEIDONG, XU JIE, GUO FENG, ZHUANG YAN, LUO XIAN, WANG YIXI, HU YAODONG
Принадлежит:

The invention relates to an artificial intelligence intrusion and attack simulation system based on a knowledge graph, a user interface part provides a command line and a graphical interface, and the command line is mainly used for manual operation and debugging; the basic library is a middle layer of the whole system, provides an API (Application Program Interface) for a developer to configure a framework, provides a plug-in interface easy to expand at the same time, and supports execution functions of different stages of the penetration module; the core module part realizes storage and adaptive calling of a knowledge base and configuration management of other modules, and is responsible for event scheduling of the whole platform; the AI algorithm module mainly relates to management, modeling and training of a sample library; the plug-in part provides an easy-to-expand interface, and detection and verification scripts for loading newest vulnerabilities are convenient. According to the ...

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Номер записи: 6
26-05-2023 дата публикации

Power industry software supply chain security governance platform

Номер: CN116167053A
Автор: LONG FEI, XIA FAN, JIN BO, ZHA ZHIYONG, GAO FEI, CHEN JIALIN, YU ZHENG, XU HUAN, DAI DANGDANG, WEI XIAOYAN, CHEN SHI, ZHAO QINGYAO, MEI ZIWEI, ZHAN WEI, YU MINGYANG, MENG HAOHUA, ZHENG LEI, ZOU CHENGCHENG, XIAO DONGLING, LIANG HANGHAN, LIU ZHONGPEI, HUANG JUNDONG, WU GENG, DONG CHENXI, FENG WEIDONG, XU JIE, GUO FENG, ZHUANG YAN, LUO XIAN, WANG YIXI, HU YAODONG
Принадлежит:

The invention relates to a power industry software supply chain security governance platform, which comprises a supplier assessment module for perfecting a software supplier risk assessment system for solving the problem of difficulty in quantitative analysis of technical assessment; the code component analysis module is used for constructing a set of detailed software component list through source code automatic analysis on the basis of a code identification technology of a convolutional neural network, and comprehensively mastering the use condition of a service system component; and the automatic intrusion and attack simulation module adopts an artificial intelligence algorithm based on a knowledge graph, combines service component identification and automatically generates an attack simulation tool, and helps enterprises to insight the security risk of the software supply chain in real time. According to the invention, based on software supply chain full-life-cycle safety management ...

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Номер записи: 7
05-06-2020 дата публикации

Fan-shaped element test fixture

Номер: CN0210690632U
Автор: CHEN XIAOYU, DAI DANGDANG, JIANG HANWEI
Принадлежит: CHENGDU HONGKE ELECTRONICS TECH CO LTD, CHENGDU HONGKE ELECTRONICS TECHNOLOGY CO., LTD.

The utility model relates to the technical field of electronic component testing. The utility model discloses a fan-shaped element test fixture. The device comprises a base, a pressing assembly and apair of conductive seats, the base is provided with a plurality of base grooves used for containing the fan-shaped elements, the conductive seats are arranged on the two sides of the base grooves andcan make contact with electrodes of the fan-shaped elements placed in the base grooves, and the contact faces of the conductive seats and the fan-shaped elements are arranged to be inclined faces. Aninsulating isolation block is arranged between the conductive seats and is used for isolating the space between the two end surfaces of the fan-shaped element; the pressing assembly is arranged abovethe base groove and used for applying downward pressure to the fan-shaped element so that the two end faces of the fan-shaped element can be tightly attached to the conductive base. According to the utility ...

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Номер записи: 8
07-04-2023 дата публикации

Data center equipment multivariate time series operation data online segmentation method, equipment and medium

Номер: CN115935208A
Автор: DONG LIANG, GUO YUE, KE WANGSONG, LI XIANG, HUANG CHAO, LI DESHI, ZHUANG YAN, HU YAODONG, LIANG YUAN, ZHU ZHAOYU, ZHOU ZHENG, LIAO RONGTAO, HE LIANG, FENG WEIDONG, WANG JIE, LIU FEN, WANG YIXI, LUO XIAN, LI LEI, HU HUANJUN, WEI XIAOYAN, NING HAO, DAI DANGDANG, MENG HAOHUA
Принадлежит:

The invention relates to a data center equipment multivariate time series operation data online segmentation method, equipment and a medium, and the method comprises the steps: setting the length of an initial time window as W, and reading multivariate time series data generated by the operation of the data center equipment into the window; inputting the number of segmentation points and the position of each segmentation point; establishing a likelihood function model for multivariate time sequence data in the window; iteratively solving the position of the current optimal segmentation point by using a simulated annealing algorithm to maximize the likelihood function; calculating the difference between two adjacent segments of data; and keeping the last segment of data, taking out all the previous segmented data as a segmentation result, dynamically adjusting the length and the position of the time window, and continuously reading the data into the time window to perform online segmentation ...

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Номер записи: 9
23-06-2023 дата публикации

New energy automobile charging station data communication system based on 5G short slice technology

Номер: CN116321035A
Автор: CAI YONG, ZHOU XIANGLING, GUO ZHAOFENG, WANG YOUHUAI, ZHANG CHENG, LI JINYANG, LU SU, BAO YIXIONG, JIN JING, YANG SHAN, ZHANG JUN, YANG YIFU, RAO WEI, CHENG BOKANG, HAN JING, FAN WUGUANG, ZHANG KE, ZHU GUOWEI, DAI DANGDANG
Принадлежит:

The invention belongs to the related technical field of new energy automobile charging monitoring, and discloses a new energy automobile charging station data communication system based on a 5G short slice technology, which comprises a charging station data communication terminal, a 5G core network and a power core network, the charging station data communication terminal comprises an intelligent electric meter used for monitoring electric power data, an infrared monitoring camera used for obtaining thermal image data and a charging station data server used for receiving various data. The 5G core network is only sliced on a 5G base station layer of public network communication, is connected with the public network in a short slice mode, and accesses data from the charging station data communication terminal to the power core network; the power core network is used for being connected to a power grid dispatching end and a user end. According to the system and the method, a plurality of electric ...

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Номер записи: 10