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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 7. Отображено 7.
06-06-2023 дата публикации

Monitoring video safety system

Номер: CN116229692A
Автор: ZHONG ZHICHENG, JI BENCHI
Принадлежит:

The invention, which relates to the technical field of engineering equipment video monitoring, discloses a monitoring video security system comprising a video acquisition module, a calculation module, an analysis model establishment module, a comparison analysis module, an estimation module and an early warning module. The video acquisition module is used for acquiring data information during operation of the tower crane, and the data information comprises internal mechanical equipment information, sensor measurement value information and tower crane operation data information. According to the invention, on one hand, the internal mechanical equipment of the tower crane can be monitored, and when the internal mechanical equipment of the tower crane is found to be abnormal, the internal mechanical equipment of the tower crane is overhauled in time, so that the internal mechanical equipment of the tower crane is effectively prevented from being further damaged, and the effect of timely stopping ...

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25-07-2023 дата публикации

Question correction method and device, equipment and storage medium

Номер: CN116484952A
Принадлежит:

The invention provides a question correcting method and device, equipment and a storage medium, and the method comprises the steps: obtaining an answer text and a standard answer of a to-be-corrected question; obtaining text sequence features respectively corresponding to the answer text and the standard answer; reasoning diagrams corresponding to the answer text and the standard answer are constructed, and the reasoning diagrams can represent the reasoning process of the corresponding text; obtaining structural features of an inference graph corresponding to the answer text and structural features of an inference graph corresponding to the standard answer, and obtaining inference graph structural features corresponding to the answer text and the standard answer respectively; according to the text sequence features and the reasoning graph structural features corresponding to the answer text and the text sequence features and the reasoning graph structural features corresponding to the standard ...

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09-06-2023 дата публикации

Bessel-Gaussian beam diffraction field calculation method, device, equipment and medium

Номер: CN116244559A
Принадлежит:

The invention discloses a Bessel Gaussian beam diffraction field calculation method and device, equipment and a medium. A Bessel Gaussian beam is obtained by reflecting a Gaussian beam incident at a preset incident angle through a conical surface of an off-axis cone reflector; the method comprises the following steps: acquiring first light field distribution of a reflected light beam formed after a Gaussian light beam is just reflected on an off-axis cone reflector; constructing a virtual surface based on the first light field distribution, and obtaining third light field distribution of the Gaussian beam on the virtual surface; a discretization frequency spectrum of third light field distribution is determined; determining a discrete sampling point coordinate set of the Bessel Gaussian beam on a preset diffraction field; and performing non-uniform discrete Fourier transform on the discrete sampling point coordinate set based on the discretized frequency spectrum to obtain second light ...

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04-04-2023 дата публикации

Intelligent evaluation and identification method for bearing state of wind driven generator

Номер: CN115901266A
Принадлежит:

The invention discloses an intelligent evaluation and recognition method for the state of a wind driven generator bearing, and relates to the technical field of equipment state recognition and diagnosis. S2, state feature selection; s3, bearing state evaluation based on feature similarity; s4, bearing state division based on an artificial intelligence technology: classifying the vibration state characteristics of the bearing time sequence by using a K-means algorithm; and S5, carrying out bearing state identification based on an artificial intelligence technology to realize intelligent evaluation and identification of the bearing state of the wind driven generator. According to the intelligent evaluation and identification method for the bearing state of the wind driven generator, automatic evaluation and identification of the bearing state of the wind driven generator by an algorithm are realized, equipment difference is considered, direct identification of a result is realized by applying ...

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07-04-2023 дата публикации

Bearing state evaluation and identification index system and method based on vibration signals

Номер: CN115931357A
Принадлежит:

The invention discloses an index system and method for bearing state evaluation and recognition based on vibration signals, and relates to the technical field of equipment state recognition and diagnos.The method comprises the steps that S1, data preparation is conducted; s2, bearing vibration statistical distribution index calculation; s3, calculating a vibration health reference and corresponding indexes; s4, calculating the statistical distribution condition of the real-time vibration data; and S5, bearing state identification based on an artificial intelligence technology and the like to realize a bearing state evaluation and identification index system based on the vibration signals. According to the bearing state evaluation and recognition index system and method based on the vibration signals, a single and effective simple index and an evaluation method thereof are created, vibration distribution evaluation of the real-time running state of the bearing is achieved, bearing vibration ...

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06-06-2023 дата публикации

Hydrogel type interface photo-thermal evaporator and preparation and application method thereof

Номер: CN116216824A
Принадлежит:

The invention discloses a hydrogel type interface photo-thermal evaporator and a preparation and application method thereof. The preparation method of the interface photo-thermal evaporator comprises the following steps: preparing a hydrogel skeleton from lotus root starch and polyvinyl alcohol, adding a light absorbent carbon quantum dot on the upper layer of the hydrogel skeleton and not adding the light absorbent on the lower layer of the hydrogel skeleton, respectively preparing an evaporation layer and a water delivery layer, forming the evaporator by the evaporation layer and the water delivery layer, and placing the evaporator on the surface of seawater to form the interface photo-thermal evaporator. The device can be driven by solar energy to carry out seawater desalination treatment, is high in desalination efficiency and environment-friendly, and can be widely applied to the field of water purification.

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02-06-2023 дата публикации

Ore accumulation early warning method and device for well mine hoisting equipment, electronic equipment and medium

Номер: CN116204808A
Принадлежит:

The invention discloses an ore accumulation early warning method and device for well mining hoisting equipment, electronic equipment and a medium, and the method comprises the steps: obtaining the current data of the equipment, and carrying out the quantitative description of the ore accumulation problem of the well mining hoisting equipment based on the current data and a big data analysis method, so as to obtain the ore accumulation characteristic parameters; according to the method and the system, the equipment ore accumulation state identification model is established based on the equipment ore accumulation degree, so that intelligent state identification of the equipment ore accumulation degree can be realized, and meanwhile, corresponding trend analysis can be performed to provide data support for predictive maintenance; therefore, by using the method provided by the invention, a manual inspection link can be removed, so that 24-hour continuous accumulated ore monitoring of equipment ...

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