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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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Применить Всего найдено 8. Отображено 8.
09-05-2023 дата публикации

Partition transposition device and method and workpiece circulation system

Номер: CN116081274A
Автор: LI SHUAI, MOON SANG-WOO, SONG SHUANG, LI XIN, LIU XIAOLI, ZHANG SHIDONG, FUSAMAKI, SHAO ZHIMIN, ZHANG PENGPING, YOU XINHONG, LI LISHENG, SUN YONG, ZHANG LINLI, LIU YANG, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, LIU WENBIN
Принадлежит:

The invention relates to the technical field of workpiece circulation, in particular to a partition transposition device and method and a workpiece circulation system. The partition transposition device comprises a groove body and a transposition unit. The groove body comprises three vertical plates and a bottom plate, the vertical plates are bent plates, the middle of each vertical plate is provided with an arc transition, the three vertical plates are arranged in a circumferential array mode to form a Y-shaped moving channel, Y-shaped rails are formed in the bottom plate, and advancing and retreating grooves in the arc normal directions of the vertical plates are formed in the joints of the Y-shaped rails. Each transposition unit is arranged at the arc position of the corresponding vertical plate, each transposition unit comprises a rail supplementing block, and the rail supplementing blocks slide in the advancing and retreating grooves so that the Y-shaped rails can be changed into single ...

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Номер записи: 1
04-04-2023 дата публикации

Abnormal data measurement and identification method and device based on randomly constructed matrix

Номер: CN115905360A
Автор: LIU YANG, ZHANG SHIDONG, LI LISHENG, HUANG MIN, LIU HEJIN, SU GUOQIANG, YU HAIDONG, WANG FENG, LI SHUAI, ZHANG PENGPING, YOU XINHONG, HE JIAHUI, LIU MINGLIN, SUN YONG, ZHANG LINLI, QIN JIAFENG
Принадлежит:

The invention belongs to the technical field of power systems, and discloses an abnormal data measurement and identification method and device based on a randomly constructed matrix, and the method comprises the steps: obtaining the electrical index data and non-electrical index data of a target power grid within a preset time period; constructing a random matrix based on the electrical index data and the non-electrical index data; determining a target area in the random matrix, and performing matrix transformation on a target matrix in the target area; performing first energy spectrum analysis and second energy spectrum analysis on the transformed matrix to obtain a first screening index and a second screening index; determining a distribution state of a characteristic root according to the first screening index and the second screening index; and determining a data exception result based on the distribution state of the feature roots. The method can quickly and accurately perform anomaly ...

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Номер записи: 2
09-05-2023 дата публикации

Method and device for monitoring running state of low-voltage power grid

Номер: CN116094153A
Автор: MOON SANG-WOO, FUSAMAKI, SUN YONG, ZHANG LINLI, LI LISHENG, ZHANG SHIDONG, LIU YANG, LI SHUAI, LIU WENBIN, ZHANG PENGPING, YOU XINHONG, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, HE JIAHUI
Принадлежит:

The invention belongs to the technical field of power systems, and discloses a low-voltage power grid operation state monitoring method and device, and the method comprises the steps: obtaining the operation state data of target power grid equipment based on a pre-constructed Internet of Things architecture, and converging the operation state data to a transformer area fusion terminal; processing the operation state data transmitted by the station area fusion terminal, and sending a processing result to a plurality of service terminals; and in response to the processing result, each service terminal generates a cooperative monitoring result. According to the scheme, the dimensionality of low-voltage power grid state monitoring is expanded, the data volume is expanded, and the real-time performance of state monitoring is improved.

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Номер записи: 3
04-04-2023 дата публикации

Ammeter data sending time judgment method and device based on time reverse deduction

Номер: CN115914040A
Автор: FUSAMAKI, MOON SANG-WOO, SUN YONG, ZHANG LINLI, LI LISHENG, ZHANG SHIDONG, LIU YANG, LI SHUAI, LIU WENBIN, ZHANG PENGPING, YOU XINHONG, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, HE JIAHUI
Принадлежит:

The invention belongs to the technical field of electricity meter communication, and discloses an electricity meter data sending time judgment method and device based on time reverse deduction, and the method comprises the steps: obtaining the number of data received by a data receiving end and the data receiving time under the condition of known baud rate, obtaining the accumulated time delay in the data receiving process, and obtaining the data sending time; calculating the total bit number of the received data; and calculating deduced data sending time of the data sending end according to the data receiving time, the baud rate of the current communication, the total bit number of the received data and the accumulated delay in the data receiving process. According to the method provided by the invention, the original estimation mode that the data receiving time is used as the data sending time is eliminated, the number of data received by a data receiving end and the data receiving time ...

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Номер записи: 4
25-04-2023 дата публикации

Edge-to-edge cooperation method for instant scheduling of multi-service heterogeneous resources of power distribution network

Номер: CN116016378A
Автор: WEN YAN, LI LISHENG, LI SHUAI, MOON SANG-WOO, LI JINGHUA, LIU MINGLIN, HUANG RUI, LIU ZHAOYUAN, GONG WEIYONG, LIANG ZILONG, ZHANG SHIDONG, LIU YANG, FUSAMAKI, LI JIANXIU, ZHANG PENGPING, YOU XINHONG, SUN YONG, ZHANG LINLI, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, LIU WENBIN
Принадлежит:

The invention belongs to the technical field of power systems, and discloses a power distribution network multi-service heterogeneous resource instant scheduling-oriented edge-to-edge cooperation method and device, and the method comprises the steps: carrying out the type division of service data according to the preset differentiation demands of a target power distribution network, so as to obtain a plurality of service data types; scoring each business data type based on a target demand index to obtain a scoring result, and identifying each business data type according to the scoring result to obtain an identification result; and based on the identification result, evaluating the priority of the target edge server according to the target edge server reliability and the multi-service heterogeneous resource matching degree to obtain an evaluation result, and selecting the target edge server for collaborative data processing according to the evaluation result. The problems that in the prior ...

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Номер записи: 5
18-04-2023 дата публикации

Series arc fault detection method and system

Номер: CN115982604A
Автор: ZHANG SHIDONG, WANG BIN, LIU YANG, OH YOUNG-EUN, LI LISHENG, YU HAIDONG, WANG ZHI, SU GUOQIANG, WANG FENG, LIU HEJIN, ZHANG LINLI, ZHANG PENGPING, LI SHUAI, YOU XINHONG, LI YONG, LIU MINGLIN, LI JIANXIU, LI MINGYANG, FUSAMAKI, ZUO XINBIN
Принадлежит:

The invention belongs to the technical field of power systems, and discloses a series arc fault detection method, which comprises the following steps: carrying out loop current sampling on a detected direct-current line to obtain a loop current sampling sequence, and carrying out band-pass filtering processing on the loop current sampling sequence to obtain a current high-frequency sequence; analyzing the current high-frequency sequence, calculating a peak-to-peak value and a fuzzy entropy value of the current sequence in a time window, and obtaining time-frequency domain characteristic value data according to the calculated peak-to-peak value and the fuzzy entropy value; performing clustering processing on the pre-configured peak-to-peak value and fuzzy entropy value data of the fault state and the normal state to obtain a clustering center of the fault state and a clustering center of the normal state; and according to the time-frequency domain characteristic value data and the distance ...

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Номер записи: 6
26-05-2023 дата публикации

Multi-service data cloud edge unloading method and system for novel load access

Номер: CN116170439A
Автор: MOON SANG-WOO, LI SHUAI, ZHANG SHIDONG, LIU YANG, ZHANG PENGPING, YOU XINHONG, LI LISHENG, SUN YONG, ZHANG LINLI, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, LIU WENBIN, HE JIAHUI
Принадлежит:

The invention provides a novel load access-oriented multi-service data cloud edge unloading method and system. The scheme comprises the following steps of: obtaining resource basic information of a current power distribution network load terminal, a channel and an edge server; obtaining a matching resource set based on the resource basic information; obtaining a preference list based on the calculated preference value of each unloading scheme from the terminal to the matched resource set; for each terminal, selecting a data unloading scheme with the maximum preference value from the matching resource set based on the preference list, and performing matching conflict judgment; if the conflict exists, reducing the preference value of the terminal to the current data unloading scheme by increasing the matching cost of the corresponding channel or edge server, and reselecting the data unloading scheme; all terminals are matched; and performing cloud edge unloading of the multi-service data ...

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Номер записи: 7
30-05-2023 дата публикации

Power distribution network cloud side unloading method and system based on end side data storage perception

Номер: CN116192861A
Автор: LI SHUAI, MOON SANG-WOO, ZHANG SHIDONG, LIU YANG, ZHANG PENGPING, YOU XINHONG, LI LISHENG, SUN YONG, ZHANG LINLI, WANG FENG, SU GUOQIANG, LIU HEJIN, HUANG MIN, YU HAIDONG, LIU WENBIN, HE JIAHUI
Принадлежит:

The invention provides a power distribution network cloud side unloading method and system based on end side data storage perception. The scheme comprises the following steps: obtaining related information of power distribution network business; based on the related information, performing category division on the power distribution network service according to a pre-established classification model; wherein the classification model is classified based on bandwidth requirements, computing resource requirements and time delay requirement indexes of power distribution network services; determining a server selection index value based on the obtained service type of the power distribution network and by integrating related environment state indexes of an end side, an edge node and a cloud server; when the server selection index value is greater than a server selection index threshold value, unloading the data to a cloud server for processing; otherwise, unloading the data to the cloud server ...

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Номер записи: 8