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 14. Отображено 14.
21-04-2023 дата публикации

Vehicle control method based on offset-free model prediction, controller and storage medium

Номер: CN115991187A
Принадлежит:

The invention discloses a vehicle control method based on no-offset model prediction, a controller and a storage medium, and belongs to the technical field of control systems.The control method comprises the steps that vehicle state information and target trajectory information are obtained, measurable disturbance variables are obtained according to the vehicle state information, and target trajectory information is obtained; obtaining a vehicle state quantity and an unmeasurable interference quantity based on an unscented Kalman filter algorithm; according to the vehicle dynamics model and the vehicle state quantity, relaxation factors of transverse and longitudinal acceleration are introduced to obtain a state reference and a control reference; a control objective function is established by taking a front wheel turning angle and a vehicle speed of the vehicle as control quantities, the objective function is solved by adopting a state reference and a control reference under constraint ...

Подробнее
23-06-2023 дата публикации

Driving mode switching method and device, equipment and storage medium

Номер: CN116279486A
Принадлежит:

The invention discloses a driving mode switching method and device, equipment and a storage medium. The method comprises the following steps: acquiring current first body state data of a driver from current vehicle data; determining a current expected driving mode at the current moment according to the current first body state data; and switching the current vehicle driving mode according to the current expected driving mode. According to the technical scheme of the embodiment of the invention, the accuracy of driving mode switching is improved.

Подробнее
25-04-2023 дата публикации

Split type sliding block of solid rocket engine

Номер: CN116006353A
Принадлежит:

The invention relates to a split type sliding block of a solid rocket engine, which comprises a sliding block base arranged along the radial direction of a combustion chamber shell, a sliding block base body is sleeved on the outer side of the sliding block base, an assembly hole matched with the sliding block base in appearance is formed in the center of the sliding block base body, and a tile-shaped groove tightly matched with the combustion chamber shell is formed in the bottom of the sliding block base body. A missile launcher sliding rail is arranged at the top of the sliding block base body, a plurality of base connecting holes are formed in the periphery of the sliding block base, a plurality of base body connecting holes are formed in the periphery of the sliding block base body, and the base body connecting holes are connected with the base connecting holes through fasteners. A split structure is adopted, the sliding block base body can freely select a high-strength alloy material ...

Подробнее
12-05-2023 дата публикации

Double-brake secondary collision prevention control method, device and equipment and storage medium

Номер: CN116101245A
Принадлежит:

The invention discloses a double-brake secondary collision prevention control method and device, equipment and a storage medium. The method comprises the steps that when a collision early warning instruction and/or a collision generation instruction are/is detected, an electronic hydraulic braking system is started to conduct pressure maintaining braking; and when it is determined that the electronic hydraulic braking system fails, clamping control of the electronic parking braking system is started. According to the embodiment of the invention, the risk of secondary collision caused by uncertain movement after vehicle collision can be prevented.

Подробнее
23-06-2023 дата публикации

Recombinant protein as well as preparation method and application thereof in bovine tuberculosis detection

Номер: CN116284439A
Принадлежит:

The invention relates to the technical field of biology, and provides a recombinant protein and a preparation method and application thereof in bovine tuberculosis detection, the amino acid sequence of the recombinant protein is as shown in SEQ ID NO.1, and the nucleotide sequence of a gene for coding the recombinant protein is as shown in SEQ ID NO.2. The recombinant protein is obtained by serially connecting and combining the ESAT-6, the CFP-10 and the BFH by using a Linker according to a mode of the ESAT-6-CFP-10-BFH. According to the technical scheme, the problem that the sensitivity is low when an EC method is used for detecting bovine tuberculosis in the prior art is solved.

Подробнее
16-05-2023 дата публикации

Animal respiration exposure experiment system for researching interaction of ozone and particulate matters

Номер: CN116114612A
Принадлежит:

The invention discloses an animal respiration exposure experiment system for researching interaction of ozone and particulate matters. The animal respiration exposure experiment system comprises a zero air generator, an ozone generation unit, an aerosol generation unit, an airflow control valve, a gas mixing chamber, an exposure bin, a connecting pipe, a system master control unit and the like, the zero air generator generates zero air which is respectively connected with the ozone generation unit and the aerosol generation unit to generate an ozone-containing gas source and a particulate matter-containing gas source with known concentrations. The first gas mixing chamber, the second gas mixing chamber, the third gas mixing chamber and the fourth gas mixing chamber are respectively provided with an ozone-containing gas source gas inlet, an aerosol-containing gas source gas inlet and a zero-air gas inlet, and the three types of gas enter the corresponding exposure bins after being fully ...

Подробнее
13-06-2023 дата публикации

Road and bridge crack distribution and width detector

Номер: CN116254745A
Принадлежит:

The invention provides a road and bridge crack distribution and width detector, which not only solves the problem of detection of pavement crack distribution when a road and a bridge are detected, but also can detect the depth of cracks, and the number of cracks needs to be detected in the process of detecting the crack distribution in a unit area, and adopts the technical scheme that the detector comprises a vehicle body, the device is characterized in that the vehicle body is vertically and slidably connected with a sealing detection cylinder through a main telescopic rod, the lower end of the sealing detection cylinder is fixedly connected with a flexible sealing ring, the inner side face of the flexible sealing ring is fixedly connected with a plurality of fixing blocks which are evenly distributed in the circumferential direction, and each fixing block is connected with the sealing detection cylinder through a vertically-arranged pneumatic telescopic rod. The upper end of the sealing ...

Подробнее
18-04-2023 дата публикации

Cross-country auxiliary control method and device, equipment and storage medium

Номер: CN115973148A
Принадлежит:

The embodiment of the invention provides a cross-country auxiliary control method and device, equipment and a storage medium. The method comprises the following steps: acquiring expected path point position information; the expected waypoint position information comprises position information and angle information relative to the vehicle; determining a path tracking mode according to the expected path point position information; and controlling the vehicle according to the path tracking mode. According to the embodiment of the invention, the path tracking mode is determined according to the position information of the expected path point, and the vehicle is controlled according to the path tracking mode, so that the operation of a driver can be reduced, the vehicle can be controlled to pass safely in an auxiliary manner, the cross-country safety is improved, and the cross-country experience can be improved.

Подробнее
22-08-2023 дата публикации

Electronic braking system cloud fault recording method, device, equipment and medium

Номер: CN116620245A
Принадлежит:

The invention discloses a cloud fault recording method, device and equipment for an electronic braking system and a medium. The method comprises the following steps: collecting a preset important signal in a control process of the electronic parking brake system, caching the preset important signal to obtain a cached data packet, and forming a cache completion flag bit; when it is determined that caching is completed according to the caching completion flag bit, whether an abnormal state flag bit is formed or not is determined according to an abnormal state judgment signal in the preset important signals; if the abnormal state flag bit or the fault flag bit exists, fault related information including the abnormal state flag bit or the fault flag bit, the cache data packet and vehicle networking identification code information is sent to a cloud end, and is used for indicating the remote cloud end to receive the fault related information; and forwarding the fault related information to a ...

Подробнее
04-07-2023 дата публикации

Brake block wear detection method and device, electronic equipment and medium

Номер: CN116373834A
Принадлежит:

The embodiment of the invention discloses a brake block wear detection method and device, electronic equipment and a medium, and belongs to the technical field of vehicle brake control. The brake block abrasion detection method comprises the steps that motor displacement at the current moment is obtained; calculating the abrasion loss of a rear wheel brake block according to the motor displacement at the current moment and the initial motor displacement; calculating the abrasion rate of the brake block according to the abrasion loss of the rear wheel brake block; and calculating the abrasion loss of the front wheel brake block according to the brake block abrasion rate. According to the technical scheme, the abrasion loss of the rear wheel brake block and the abrasion loss of the front wheel brake block can be calculated in real time through the obtained motor displacement, and a driver can obtain the current abrasion degree of the brake block at any time so as to replace the brake block ...

Подробнее
27-06-2023 дата публикации

Electronic parking system rolling reclamping control method and device, electronic equipment and medium

Номер: CN116331177A
Принадлежит:

The embodiment of the invention discloses an electronic parking system rolling re-clamping control method and device, electronic equipment and a medium, and belongs to the technical field of vehicle control, the electronic parking system rolling re-clamping control method comprises the steps that detection parameters detected by multi-source sensors are obtained, the multi-source sensors comprise at least two different types of sensors, and the multi-source sensors are used for detecting the detection parameters; the detection parameters comprise at least two different types of detection parameters; determining whether the current vehicle is in an abnormal rolling risk state or not according to the detection parameters; if yes, the calipers are controlled to conduct clamping again with the maximum clamping force. By the adoption of the technical scheme, the at least two different types of sensors are adopted to detect the at least two different types of detection parameters, all-directional ...

Подробнее
23-06-2023 дата публикации

Method for treating low-carbon low-sulfur steel in vacuum and simultaneously removing residual elements tin and antimony

Номер: CN116287549A
Принадлежит:

The invention provides a method for vacuum treatment of low-carbon low-sulfur steel and removal of residual elements tin and antimony at the same time. The method comprises the following steps: melting down steel containing tin and antimony in an inert atmosphere at the smelting temperature of 1550-1700 DEG C, adding 0.01-0.1% of aluminum ingot, carrying out deoxidation treatment for 10-30 minutes, adding 10-20% of FeS-Na2S slag, reacting for a certain time, and carrying out slag removal operation; and then vacuum refining is conducted on the molten steel under the pressure of 10-670 Pa, stirring is conducted for 5-15 min at the same time, and the molten steel with tin and antimony removed is obtained. The FeS-Na2S slag added in the method improves the activity of the residual elements tin and antimony, and meanwhile, tin and antimony can react with the added S element to generate sulfide with higher saturated vapor pressure, so that the residual elements are easier to volatilize. Therefore ...

Подробнее
22-08-2023 дата публикации

Vehicle motion control method and system, electronic equipment and storage medium

Номер: CN116620319A
Принадлежит:

The invention discloses a vehicle motion control method and system, electronic equipment and a storage medium. The method comprises the steps that a function logic control module receives a function control request, performs logic judgment on the function control request and outputs a function logic control instruction, and then a trajectory tracking control module activates a trajectory tracking function based on the function logic control instruction and outputs the trajectory tracking control instruction to a target distribution layer; receiving a trajectory tracking control instruction through a target distribution control module, decomposing the trajectory tracking control instruction, and outputting a plurality of transverse and longitudinal control instructions obtained through decomposition to a coordination control layer; and receiving the plurality of transverse and longitudinal control instructions through a transverse and longitudinal coordination control module, converting ...

Подробнее
11-07-2023 дата публикации

Method for removing residual element antimony in medium and low carbon molten steel

Номер: CN116411216A
Принадлежит:

The invention provides a method for removing a residual element antimony in medium and low carbon molten steel. The method comprises the following steps: melting down the antimony-containing steel in an inert atmosphere at the temperature of 1550-1650 DEG C; covering the surface of the antimony-containing molten steel with a certain content of calcium-silicon-aluminum refining slag for desulfurization treatment; then adding a certain amount of aluminum particles to carry out deep deoxidation treatment; and then adding a refining agent calcium carbide of which the content is 10-50wt% of the total mass of the calcium-silicon-aluminum refining slag, stirring, and carrying out slagging-off treatment to obtain the antimony-removed medium-low carbon steel liquid. According to the method, the removal rate of antimony in the steel reaches 30.6-46.8%, and the sulfur content can be controlled at an extremely low level. According to the method, the antimony removal efficiency and the low production ...

Подробнее