Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 4. Отображено 4.
16-07-2014 дата публикации

Quality control design method for hydraulic generators

Номер: CN103927408A
Принадлежит:

The invention discloses a quality control design method for hydraulic generators. The technical scheme includes that variables greatly affects electromagnetic design of the hydraulic generators are selected as variables to be optimally designed according to working conditions of the hydraulic generators at multiple different power points except rated power points, sensibility of motor performance indexes to design parameter changes and actual conditions such as processing and assembling technology, operational working environment and component deterioration and wear of the hydraulic generators, multi-index quality control design models are created for design objectives such as rated operating efficiency, weighted average efficiency and production cost of the hydraulic generators and performance constraints such as short-circuit ratios and reactance guarantee values of the hydraulic generators by the Taguchi method, and finally, the hydraulic generators which are stable in performance, reliable ...

Подробнее
17-11-2010 дата публикации

Biconvex weldable blind hole flange

Номер: CN0101886722A
Принадлежит:

The invention relates to a biconvex weldable blind hole flange. The two ends of the flange are respectively provided with a convex first sealed working surface and a convex second sealed working surface; the external side of the convex first sealed working surface is provided with a lower closed thread hole, and the external side of the convex second sealed working surface is provided with an upper closed thread hole; the lower closed thread hole and the upper closed thread hole are not perforative blind holes and the closed holes of the first working surface and the second working surface are staggered in space; and an external cylindrical surface of the flange is taken as a third sealed working surface. The flange in the invention is installed in an inlaid mode; the external cylindrical surface can be welded with other equipment, thereby realizing compact connection structure and solving difficult welding of the flange in a narrow space.

Подробнее
30-05-2023 дата публикации

Special display system based on DRAM PUF key

Номер: CN116192401A
Принадлежит:

The invention discloses a special display system based on a DRAM (Dynamic Random Access Memory) PUF (Physical Unclonable Function) key, which comprises a server side and a display side, and is characterized in that the server side comprises an encryption module, a Hash module, a data coding module and a sending module; the display end comprises a key generation module, a receiving module, a data decoding module, a decryption module, a hash module, a judgment module, a display control module and a display driving module; the system can verify the received information in any display containing a DRAM (Dynamic Random Access Memory), so that the received information is prevented from being tampered or exchanged.

Подробнее
06-06-2023 дата публикации

Single-to-many device authentication protocol based on improved BR-PUF

Номер: CN116232603A
Принадлежит:

The invention discloses a single-to-many device authentication protocol based on improved BR-PUF, comprising four stages: a registration stage, storing excitation response pairs of the improved BR-PUF in accordance with an error correction range of an error correction algorithm in a server, and distributing PUF; in the authentication initiating stage, the authentication device makes an authentication request to the authentication box, IDs of the authentication device and the authentication box are packaged into an authentication initiating data packet, and an authentication request is made to the server side; in the challenge incentive stage, the server preliminarily analyzes the legality of the authentication request after receiving the authentication request, and returns a challenge incentive data packet to the authentication box after detecting that the authentication equipment completes registration; in the response stage, the auxiliary data are packaged into a response data packet ...

Подробнее