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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 6. Отображено 6.
04-04-2023 дата публикации

Direct current building energy management optimization method

Номер: CN115912424A
Автор: LI JIANBIAO, CHEN JIANFU, TANG JIE, CHEN YONG, BAE SUNG-WOO, YANG RUIXIONG, CHENG XU, WU HONGYUAN, LI WENHUI, HUANG YIPENG, LI ZHENCONG, LIN MINHONG, LIAO YANQUN, CHEN TAO, ZOU GUOHUI, GAO YING, ZENG JIE, LU ZIKAI, ZHANG YIMIN, ZHAO XIAOYAN
Принадлежит:

The invention provides a direct current building energy management optimization method, and belongs to the technical field of power distribution network energy management. According to the method, Markov decision process modeling is carried out on energy optimization operation of the direct-current building, and meanwhile, a DDPG algorithm is adopted for solving the established direct-current building optimization model. In consideration of the defects of a traditional DDPG algorithm, the randomness and blindness of learning and exploring of the DDPG algorithm in a direct current micro-grid operation environment are reduced by adopting a priority experience playback mechanism based on a time sequence difference error (TD-error) in the solving process of the DDPG algorithm, and the convergence speed of an energy optimization management strategy in the method is improved. Meanwhile, an excellent round set of energy management of the direct-current building system is constructed between algorithm ...

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Номер записи: 1
16-05-2023 дата публикации

Virtual impedance design method and system considering high-precision power output of inverter

Номер: CN116127704A
Автор: CHEN JIANFU, LI JIANBIAO, TANG JIE, CHEN YONG, BAE SUNG-WOO, YANG RUIXIONG, CHENG XU, WU HONGYUAN, CAO ANYING, HE WEI, LIN MINHONG, LIAO YANQUN, CHEN TAO, GAN DESHU, ZOU GUOHUI, GAO YING, ZENG JIE, LU ZIKAI, ZHANG YIMIN, ZHAO XIAOYAN
Принадлежит:

The invention provides a virtual impedance design method and system considering high-precision power output of an inverter, and is suitable for a capacitive coupling inverter. The method comprises the following steps: firstly, selecting an equivalent coupling impedance boundary according to an active power output limit value calculated by physical impedance; secondly, adding an inner boundary and an outer boundary which meet the transient response requirement, and narrowing the selection range of virtual impedance; further, a stability margin parameter is introduced, the stability boundary of the coupling impedance is derived, and the selection range of the virtual impedance is further narrowed; secondly, considering possible power loss, and taking a range in which the equivalent impedance approaches zero as a feasible range of the equivalent coupling impedance; and finally, a virtual impedance value is obtained by using a difference value between the physical impedance and the equivalent ...

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Номер записи: 2
04-04-2023 дата публикации

Dead time calculation method and device, electronic equipment and storage medium

Номер: CN115906721A
Автор: LI JIANBIAO, CHEN JIANFU, TANG JIE, LI WENHUI, HUANG YIPENG, WANG WENSHENG, LI ZHENCONG, LIU RENLIANG, LUO KE, CHEN YONG, ZOU GUOHUI, GAO YING, ZENG JIE, LU ZIKAI, BAE SUNG-WOO, YANG RUIXIONG, ZHANG XUEYING, ZHANG YUE, CHENG XU, WU HONGYUAN
Принадлежит:

The invention discloses a dead time calculation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the current information about enhanced gallium nitride in a half-bridge circuit, determining a main tube and a synchronous tube of the half-bridge circuit according to the current information, adjusting the switching states of the main tube and the synchronous tube, and calculating the dead time of the half-bridge circuit. And obtaining parameters of the enhanced gallium nitride and parameters of the half-bridge circuit in different switching states, inputting the parameters of the enhanced gallium nitride and the parameters of the half-bridge circuit into a preset calculation model, and calculating to obtain corresponding optimal dead time of the main tube and the synchronous tube in different switching states. The technical problems that an existing dead time calculation method is high in cost and not easy to achieve are solved, and ...

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Номер записи: 3
11-08-2023 дата публикации

Preparation method and application of instant granular soil conditioner

Номер: CN116574515A
Автор: LU YANGXUE, ZHU HUIKE, LU ZIYUAN, LU ZIKAI, LU JIELONG, TAN XINGNING
Принадлежит:

The invention discloses a preparation method and application of an instant granular soil conditioner, and relates to the technical field of soil remediation. The preparation method comprises the following steps: S1, preparing primary mixed slurry, weighing 10 parts by weight of powdery clay mineral, and adding the powdery clay mineral into 120-180 parts by weight of a metal salt solution for full impregnation modification to obtain the primary mixed slurry; according to the prepared instant granular soil conditioner, the excellent and lasting remediation effect under the limited soil application amount is guaranteed, the use of components such as lime, silicate and solid metal salt which are prone to causing water coagulation hardening is avoided, application and scattering are convenient, flying dust is not generated, human health is not harmed, surrounding farmlands are not polluted, and the conditioner is instant when meeting water; the heavy metal passivation effect and the fertilizer ...

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Номер записи: 4
02-05-2023 дата публикации

Oil tank structure for converter transformer valve side bushing test

Номер: CN116040080A
Автор: ZHANG MANYU, YANG RENYI, ZHOU BIN, QI LU, XU FUQIANG, XIE YU, XU YONGWEI, JIA ZHILING, ZHANG HUIMIN, FAN HE, LU ZIKAI, LIANG SHUQI
Принадлежит:

The invention belongs to the technical field of transformer manufacturing, and particularly relates to an oil tank structure for a converter transformer valve side bushing test. A bell jar type oil tank is selected as a test oil tank body, and an oil tank side wall is welded to the outer side face of one end of the test oil tank body; groove type reinforcing iron and plate type reinforcing iron are welded between the inner side face of the fuel tank side wall and the outer side face of the fuel tank body for testing to form a transverse and longitudinal combined structure, a triangular reinforcing plate is welded to the end, close to the fuel tank side wall, of the interior of the fuel tank body for testing, a hole is formed in the center of the fuel tank side wall eccentrically by 40 mm, and a square flange is welded. A square cover plate special for the valve side sleeve is assembled on the square flange, the ascending flanged base flange is fixedly installed on the square cover plate ...

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Номер записи: 5
23-06-2023 дата публикации

Three-level bidirectional converter pre-charge control system, method and device and medium

Номер: CN116317045A
Автор: HUANG HUI, ZENG JIE, CHEN RUI, SU WEI, ZHONG GUOBIN, TANG NIANG, ZHANG CHI, GAO YING, HUANG MINGXIN, LU ZIKAI, DONG HUALIANG
Принадлежит:

The invention discloses a pre-charging control system, method and device for a three-level bidirectional converter and a medium. The pre-charging control method comprises the following steps: constructing a bidirectional converter system; the bidirectional converter system comprises a three-phase alternating current power supply, a bidirectional PWM converter, a flying capacitor three-level Buck/Boost bidirectional converter and a storage battery. A three-phase alternating-current power supply passes through the bidirectional PWM converter to form a high-voltage side power supply; the high-voltage side power supply passes through a flying capacitor three-level Buck/Boost bidirectional converter to obtain a low-voltage side power supply; the low-voltage side power supply charges the storage battery; and according to the three-level Buck/Boost topological structure of the flying capacitor, designing the charging mode of the flying capacitor, and completing the pre-charging process of the ...

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Номер записи: 6