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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 14. Отображено 14.
05-02-2014 дата публикации

Monitoring system of electric power capital construction field

Номер: CN103561249A
Автор: LI WANG, YUAN WEIGUO, ZHAN ZHIGUO, ZHAO BO, NIE ZHENGPU
Принадлежит:

The invention provides a monitoring system of an electric power capital construction field. The monitoring system comprises a video collecting unit, a wireless transmission terminal, a base station and a field managing platform. The video collecting unit collects video images of the electric power capital construction field and transmits the video images to the wireless transmission terminal. The wireless transmission terminal converts the obtained video images into time sharing long-term evolution air interface protocol signals to the base station. The base station converts the obtained time sharing long-term evolution air interface protocol signals into base station signals and transmits the base station signals to the field managing platform. The field managing platform converts the obtained base station signals into the video images so as to monitor the electric power capital construction field. Thus, workers can monitor the electric power capital construction field in real time by ...

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Номер записи: 1
10-09-2014 дата публикации

LTE (Long Term Evolution) network based power distribution and utilization communication system and communication method thereof

Номер: CN104038931A
Автор: LI XIN, LI MUFENG, MAO YIXIAN, LI CHAOFENG, YU RAN, XING NINGZHE, MA YUE, HUA CUNQING, WU XINLING, WU YUE, NIE ZHENGPU, LU BO, TIAN YU, JI YUTONG, ZHAO YANG, WU WENZHAO, HAN ZIZHENG, JIANG RAN
Принадлежит:

The invention discloses a LTE (Long Term Evolution) network based power distribution and utilization communication system and a communication method thereof. The communication method of the LTE network based power distribution and utilization communication system comprises that a power distribution and utilization terminal sends communication data after session key encryption to network access point equipment; the network access point equipment decodes the communication data through a session key, performs L2TP (Layer 2 Tunnel Protocol) packaging on the decoded communication data according to an L2TP tunnel configuration negotiation result and sends an L2TP data packet generated by packaging to a master station server; the master station server analyzes the communication data from the received L2TP data packet according to the L2TP tunnel configuration negotiation result. The session key is formed by the network access point equipment according to a public key, a private key and a key negotiation ...

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Номер записи: 2
11-08-2023 дата публикации

Method and device for providing security protection for application program in power control system

Номер: CN116578968A
Автор: ZHANG SHIJUN, NA QIONGLAN, LAI JI, SU DAN, LI SHUO, XU XIANGSEN, ZENG JING, YANG RUI, NIE ZHENGPU
Принадлежит:

The invention discloses a method and device for providing security protection for an application program in an electric power control system, and relates to the technical field of security protection of the electric power control system. According to the main technical scheme, for an application program in a system, an application domain is created for the application program, the application domain at least comprises an application process and application resources corresponding to the application process, and a virtualization isolation model is created in the application domain and used for dividing and storing private resources of the trusted process and the application program into trusted domains in the application domain. And creating a mirror image file for the public resource of the application program in the application domain, so that for the started target application program, if the corresponding private resource needs to be called, the trusted process needs to be used for access ...

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Номер записи: 3
18-02-2015 дата публикации

Unknown threat comprehensive detection method based on information flow behavior validity detection

Номер: CN104363240A
Автор: LIU YUN, REN JIANWEI, LAI JI, YAN LEI, SU DAN, LI WANG, MA YUE, CUI LINGXIAN, YANG DALU, YIN QUAN, WU JIA, LI HUANYUAN, NIE ZHENGPU, CUI ZHAO, DENG QIANG, LIN FENG
Принадлежит:

The invention relates to a network information safety detection method, in particular to an unknown threat comprehensive detection method based on information flow behavior validity detection. The method includes the following steps that file processing is carried out, wherein a new information flow and a file analysis result is formed by carrying out file analysis and file restoration on various protocols in an original information flow; static detection is carried out, wherein static detection is carried out on the new information flow so that a static detection result can be obtained; dynamic detection is carried out, wherein dynamic behavior monitoring is carried out on the new information flow by referring to external log data, so that a dynamic detection result is obtained; virus detection is carried out, wherein virus detection is carried out on a file in the new information low, and a virus detection result is obtained; according to the static detection result, the dynamic detection ...

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Номер записи: 4
05-05-2023 дата публикации

System and method for monitoring safe operation state of power distribution substation

Номер: CN116070140A
Автор: LI SHUO, XU XIANGSEN, ZHANG SHIJUN, LAI JI, ZENG JING, NIE ZHENGPU, LEE HYUN
Принадлежит:

The invention provides a power distribution substation safe operation state monitoring system and method, and relates to the technical field of power distribution substation safety, an intelligent sensor layer is used for collecting state data of a power distribution substation at different sampling points at the early stage of a fault, and data normalization and standardized data preprocessing are carried out on the collected state data; forming an array formed by a plurality of groups of normalized values, calculating the distance between array data to represent the abnormal degree of the data, and removing state data of sampling points with the distance greater than a threshold value; predicting the residual life of the power distribution substation corresponding to the normal state data; extracting a current waveform at a fault moment, and constructing a characteristic quantity sequence; and performing state data analysis by using a wavelet neural network, and classifying the operation ...

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Номер записи: 5
08-08-2023 дата публикации

Control flow hijacking prevention method and device for firmware of power grid intelligent terminal equipment

Номер: CN116561759A
Автор: ZHANG SHIJUN, NA QIONGLAN, LAI JI, SU DAN, LI SHUO, XU XIANGSEN, ZENG JING, YANG RUI, NIE ZHENGPU
Принадлежит:

The invention discloses a control flow hijacking prevention method and device for power grid intelligent terminal equipment firmware, and relates to the technical field of power internet security reinforcement. Code errors and potential abnormal instructions detected during firmware compiling are analyzed through variable mark analysis and data detection, control flow hijacking prevention during firmware compiling is achieved, and the security of the power grid intelligent terminal equipment firmware is improved. And normal operation of the firmware kernel module is ensured, and adverse effects on normal operation of an intelligent terminal equipment system are avoided. According to the main technical scheme, during firmware compiling, firmware kernel module codes are converted into byte codes through a compiler; analyzing and processing the byte code by utilizing a variable mark so as to find a code error and isolate the code error; analyzing and processing the byte code by using data ...

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Номер записи: 6
23-11-2011 дата публикации

System for managing spare part

Номер: CN0102254258A
Автор: ZHANG HUI, XING NINGZHE, REN JIANWEI, NIE ZHENGPU, LI YINTAO, NA QIONGLAN, HUI ZHANG, NINGZHE XING, JIANWEI REN, ZHENGPU NIE, YINTAO LI, QIONGLAN NA
Принадлежит:

The invention discloses a system for managing a spare part. The system comprises a radio frequency identification (RFID) card sender, an RFID tag, an RFID reader and a client, wherein the RFID card sender writes tag information which corresponds to the spare part into the RFID tag; the RFID tag is arranged on the spare part; when the spare part is in a predetermined distance, the RFID reader reads the tag information of the spare part; and when a storage state of the spare part varies, the client rewrites the storage state in the tag information on the spare part. The system for managing the spare part provided by the embodiment of the invention has the advantages that: based on an RFID technology, by equipment such as the RFID tag, the RFID reader and the client, the management of the spare part is realized; and because the RFID tag can intuitively embody the tag information of the spare part by the RFID reader, and the tag information in the RFID tag can be directly rewritten by the client ...

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Номер записи: 7
03-06-2015 дата публикации

Multi-reference synchronization method, device and system

Номер: CN104683088A
Автор: PAN FENG, LYU BO, WANG JIANHUA, CHANG NING, ZHANG JUN, LI XIN, NIE ZHENGPU, ZHAO QINGKAI, YAN ZHONGPING, LU QIANGSHU, LIAN JIWEN, LIN FUGUO, ZHOU XIAODONG, LIU GANG, LI SHUTING, WANG MIAOXIN, TENG LING, GAO QIANG, LU LIFENG, LU KUN, MA TAO, HUANG JIE, GE HONGWU
Принадлежит:

The invention provides a multi-reference synchronization method, a device and a system. The multi-reference synchronization system comprises a plurality of reference time frequency clock nodes, wherein each reference time frequency clock node comprises a satellite signal processing device, an atomic clock, a local time frequency comparison device and a local time distribution device; the satellite signal processing device receives the satellite signals of a satellite system, generates local time information Ts and sends the local time information Ts to the local time frequency comparison device; the atomic clock provides frequency reference Fr for a geographical region where the reference time frequency clock node is located, and sends the Fr to the local time frequency comparison device at the same time, and the local time frequency comparison device obtains PTP (point-to-point) message signals from time distribution devices of a plurality of adjacent reference time frequency clock nodes ...

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Номер записи: 8
30-05-2023 дата публикации

Evaluation method of power grid operation safety quantitative index system

Номер: CN116187866A
Автор: ZENG JING, ZHANG SHIJUN, XU XIANGSEN, LI SHUO, LAI JI, NIE ZHENGPU, MENG DE
Принадлежит:

The invention provides an evaluation method for a power grid operation safety quantitative index system, and relates to the technical field of power grid operation safety, multiple evaluation indexes influencing the power grid operation safety state in different safety quantitative schemes are selected, and the standard deviation of the evaluation indexes of the same item between the safety quantitative schemes is calculated; establishing mapping of evaluation indexes of each safety quantification scheme; constructing an affiliation matrix of the mapped evaluation indexes to obtain an evaluation vector of the security quantification scheme; determining an optimal target function value matrix by adopting a fuzzy operation model; and multiplying the optimal objective function values, and determining the safety quantification scheme with the maximum product as the optimal safety quantification scheme, thereby solving the problem that the power grid operation efficiency cannot be evaluated ...

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Номер записи: 9
22-08-2023 дата публикации

Method and device for processing and analyzing operation risk of power grid

Номер: CN116629604A
Автор: XIAO NA, NA QIONGLAN, LI XIN, SU DAN, MENG DE, ZHAO YUSHAN, LAI JI, NIE ZHENGPU, YANG RUI, LEE HYUN, LYU BING, LI SHUO, ZHANG SHIJUN
Принадлежит:

The invention discloses a power grid operation risk processing analysis method and device, and relates to the technical field of power grid risk prevention and control. According to the main technical scheme of the invention, the method comprises the steps: constructing a risk relation graph through the risk source information of a power grid, wherein the risk relation graph is used for storing the mapping relation between various preset risk sources and risk problems caused by the preset risk sources; collecting risk data from each operation system in the power grid by using a preset risk source, wherein the risk data at least comprises a target preset risk source which has occurred in the history and corresponding risk fault processing information thereof; therefore, according to the target preset risk source, the corresponding risk causing problem and the corresponding risk disposal information, the auxiliary decision graph integrated with the preset risk control content is constructed ...

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Номер записи: 10
25-08-2023 дата публикации

Power grid fault risk disposal method and device based on knowledge graph

Номер: CN116644810A
Автор: XIAO NA, NA QIONGLAN, MENG DE, SU DAN, ZHAO YUSHAN, LAI JI, NIE ZHENGPU, YANG RUI, LEE HYUN, LYU BING, LI SHUO, ZHANG SHIJUN
Принадлежит:

The invention discloses a power grid fault risk disposal method and device based on a knowledge graph, and relates to the technical field of power grid risk prevention and control. According to the main technical scheme, target equipment and subordinate information corresponding to the target equipment are extracted from a preset power equipment fault text, wherein the subordinate information at least comprises structure information of the target equipment and historical fault information of the target equipment; the structure information of the target equipment is analyzed and reconstructed through the knowledge graph technology, a corresponding tree structure knowledge base is obtained, and leaf nodes in the tree structure knowledge base are used for storing components or assemblies of the target equipment in a refined mode according to preset hierarchies; extracting description information of the component or the assembly from historical fault information of the target equipment; creating ...

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Номер записи: 11
07-04-2023 дата публикации

Electric power information network security terminal system

Номер: CN115941270A
Автор: ZHANG SHIJUN, LAI JI, LI SHUO, XU XIANGSEN, ZENG JING, LOU JING, NIE ZHENGPU, YANG RUI, ZHANG YAN, YIN QI
Принадлежит:

The invention discloses an electric power information network security terminal system, which is characterized by comprising a central processing platform, network security equipment and a monitoring unit, wherein the central processing platform is used for preprocessing the collected security alarm data; the network security equipment is used for executing a defense rule to realize linkage defense; the monitoring unit is used for collecting safety alarm data and sending the safety alarm data to the central processing platform. The central processing platform further comprises an analysis unit, a sequence mining unit, a topology unit and an execution unit. The method comprises the following steps: inputting historical alarm information before current alarm information into a power information network security alarm pre-judgment module to obtain predicted alarm information, comparing the predicted alarm information with the current alarm information, and judging that false alarm exists when ...

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Номер записи: 12
05-05-2023 дата публикации

Data processing system and method for ensuring safety of electric power data

Номер: CN116070248A
Автор: LAI JI, LI SHUO, ZHANG SHIJUN, XU XIANGSEN, ZENG JING, NIE ZHENGPU, MENG DE
Принадлежит:

The invention provides a data processing system and method for ensuring power data security, and relates to the technical field of data processing.The method comprises the steps that a power data set is decomposed into a field content column and a label column, the power data set is classified, and a text data subset and a non-text data subset are obtained; classifying the non-text data subsets to obtain alphabet data, symbol data and numeric string data, and uploading the alphabet data, the symbol data and the numeric string data to a data processing center; extracting a head word from the character data subset, and forming a plurality of semantic subsets by adopting a semantic similarity rule; matching sensitive information for field contents of different semantic subsets, and mapping the sensitive information to different desensitization rules; performing encryption processing on the mapped sensitive data; and the encrypted sensitive data are uploaded to a data processing center, so ...

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Номер записи: 13
25-02-2015 дата публикации

Time consuming device time service method and device based on multiple time sources

Номер: CN104375414A
Автор: HE YINGLI, HUANG JIE, GE HONGWU, CHANG NING, ZHANG JUN, LI XIN, NIE ZHENGPU, MA YUE, YAN ZHONGPING, WEN LINGFENG, LIAN JIWEN, LIN FUGUO, ZHOU XIAODONG, LIU GANG, LI SHUTING, WAN TAO, MA TAO, JIAO QUN, GAO QIANG, TENG LING, WANG YANG, WANG MIAOXIN, LU LIFENG, WANG JIANHUA, HU CHANGJUN, LYU BO, PAN FENG
Принадлежит:

The invention provides a time consuming device time service method and device based on multiple time sources. The time consuming device time service method comprises the steps that a local signal to be output of a time consuming device and the pulse signals of the time sources are acquired, and the phase difference between the pulse signals of the time sources and the local signal to be output are calculated in real time; the phase differences are compared with a preset phase difference threshold value, so that the states of the time sources are judged; the reference time source is selected according to the states of the time sources; the initial phase differences between the locked time sources and the current output pulse signal are calculated; according to the phase differences and the initial phase differences, the weighted average of the locked time sources is generated; according to the weighted average, the phase of the local signal to be output is adjusted; according to the weighted ...

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Номер записи: 14