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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 12. Отображено 12.
15-08-2023 дата публикации

Deep sea hydraulic valve box with independent flow channel pipeline pressure compensation function

Номер: CN116592012A
Автор: YANG GANG, TAN MENG, XU YUE, LI BAOREN, FU XIAOYUN, DU JINGMIN, GAO LONGLONG
Принадлежит:

The invention relates to deep sea hydraulic equipment, in particular to a deep sea hydraulic valve box with an independent flow channel pipeline pressure compensation function, which can be applied to deep sea hydraulic equipment needing to adopt a movable oil source, and comprises a valve block, a valve cover, a hydraulic valve, a valve box pressure compensator and a flow channel pipeline pressure compensator, the valve box pressure compensator is connected with the valve cover to compensate the pressure in the valve box, the two-position two-way switch valve is installed between the flow channel pipeline pressure compensator and the valve box oil return pipeline to control the working state of the flow channel pipeline pressure compensator, pressure compensation can be provided for the pipeline when no oil source exists, and pressure compensation is not provided when the oil source exists. The flow channel pipeline pressure compensator is prevented from influencing the work of the valve ...

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Номер записи: 1
08-08-2023 дата публикации

Non-linear loading force control method and system in precise forming process of press-fitting powder

Номер: CN116560213A
Автор: YANG GANG, WU ZHE, LI BAOREN, DONG SHILIU, YUAN CHANG, GAO LUPING, WANG WENHANG, GAO LONGLONG, DU JINGMIN, FU XIAOYUN
Принадлежит:

The invention discloses a nonlinear load force control method and system in a press-fitting explosive precise forming process, and belongs to the technical field related to press-fitting forming of initiating explosive devices. On the basis of a control block diagram of an electro-hydraulic position servo system of the press-fitting explosive forming device, a load force signal is introduced into a compensator, a transfer function of the compensator is calculated through nonlinear cancellation and nonlinear reverse calculation, and then output of the compensator is applied to a control input end of a proportional valve. The influence of the nonlinear loading force of the system on the system is suppressed through a cancellation mechanism, so that the system becomes a decoupling linear system, the speed jittering caused by the nonlinear loading force in the granular mixture compression molding process is reduced, and the pressing force fading oscillation phenomenon caused by the granular ...

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Номер записи: 2
04-07-2023 дата публикации

Mechanical emergency load rejection self-rescue device of underwater robot and underwater robot

Номер: CN116374139A
Автор: LI BAOREN, ZHANG JIANXING, PENG YUXUAN, DONG SHILIU, FU XIAOYUN, YANG GANG, GAO LONGLONG, DU JINGMIN
Принадлежит:

The invention belongs to the related technical field of underwater robots, and discloses a mechanical emergency load rejection self-rescue device of an underwater robot and the underwater robot. The device comprises a driving unit, a worm and gear box, a switch unit and a base, the driving unit is arranged above the worm and gear box, one end of a center shaft of the worm and gear box is connected with a load rejection shaft arranged in the center of the base, the other end of the center shaft of the worm and gear box is connected with the switch unit, and the switch unit is simultaneously connected with the driving unit and used for controlling a switch of the driving unit; the driving unit drives the center shaft of the worm and gear box to rotate, the center shaft rotates to drive the load rejection shaft to rotate, the switch unit is triggered when the load rejection shaft rotates to a preset position, the switch unit disconnects a power source of the driving unit to enable the center ...

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Номер записи: 3
01-08-2023 дата публикации

Flow-adjustable multi-stage throttling orifice plate and application thereof

Номер: CN116518188A
Автор: LI BAOREN, GAN RUNLIN, YANG GANG, YUAN CHANG, FU XIAOYUN, DU JINGMIN, GAO LONGLONG, WU ZHE
Принадлежит:

The invention discloses a flow-adjustable multistage throttling orifice plate and application thereof.The flow-adjustable multistage throttling orifice plate comprises a flange pipeline and a flow adjusting component, the flow adjusting component comprises a front adjusting orifice plate, an electromagnet orifice plate, a rear adjusting orifice plate, a first supporting spring and a second supporting spring, the first supporting spring is located between the front adjusting orifice plate and the electromagnet orifice plate, and the second supporting spring is located between the rear adjusting orifice plate and the electromagnet orifice plate; the first supporting spring is located between the front adjusting pore plate and the rear adjusting pore plate, the second supporting spring is located between the electromagnet pore plate and the rear adjusting pore plate, the rigidity of the first supporting spring is different from that of the second supporting spring, so that the supporting force ...

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Номер записи: 4
28-07-2023 дата публикации

Lung spontaneous respiration movement simulation device suitable for all ages

Номер: CN116504123A
Автор: DU JINGMIN, GAO LUPING, ZHANG DIJIA, YANG GANG, LI BAOREN, WU ZHE
Принадлежит:

The invention discloses a lung spontaneous respiratory movement simulation device suitable for all ages, and belongs to the technical field of respiratory medicine. Comprising a motor, a transmission part, a first fixed plate, a second fixed plate, a third fixed plate, a first movable plate, a second movable plate, a long shaft, a short shaft, a fixed part and an air bag, the two ends of the transmission part are connected with the first fixed plate and the second fixed plate correspondingly, the relative distance between the first movable plate and the second movable plate is kept unchanged through the short shaft, driving force is transmitted to the second movable plate from the first movable plate, and the air bag is fixed between the second movable plate and the third fixed plate through the fixing part. The air bag is synchronously compressed or expanded along with relative movement of the second movable plate and the third fixed plate, the usable volume of the air bag is changed by ...

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Номер записи: 5
04-08-2023 дата публикации

Flow-adjustable multi-stage throttling device and application thereof

Номер: CN116538368A
Автор: LI BAOREN, GAN RUNLIN, YANG GANG, YUAN CHANG, FU XIAOYUN, DU JINGMIN, GAO LONGLONG, CHU JINGRUI
Принадлежит:

The invention discloses a flow-adjustable multi-stage throttling device and application thereof.The device comprises a front flange pipeline, a flow adjusting component and a rear flange pipeline, and the front flange pipeline and the rear flange pipeline are connected in a fastened mode; the flow adjusting component comprises a plurality of adjustable pore plate assemblies which are arranged in an inner cavity of a flange pipeline formed by the front flange pipeline and the rear flange pipeline. Each adjustable pore plate assembly comprises a sealing cover plate, a bottom plate, an adjusting rod, a rotating disc and a driver; the adjusting rod is arranged in a mounting hole of the bottom plate, the rotating disc is mounted on the bottom plate, the driver is mounted on the sealing cover plate, and a throttling hole of the sealing cover plate is communicated with a throttling hole of the bottom plate to form a throttling window; the driver is used for driving the rotating disc to rotate ...

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Номер записи: 6
04-07-2023 дата публикации

Negative pressure control valve capable of linearly adjusting opening degree of valve port

Номер: CN116379028A
Автор: LI BAOREN, LI JIE, DU JINGMIN, GAO LUPING, GAO LONGLONG, YANG GANG, ZHAO ZHIXIN, CHU JINGRUI, HE ZHEN
Принадлежит:

The invention belongs to the related technical field of key components of pneumatic pressure servo systems, and discloses a negative pressure control valve capable of linearly adjusting the opening degree of a valve port, the control valve is of a symmetrical structure and comprises a valve shell, a valve rod, a negative pressure side valve sleeve and a positive pressure side valve sleeve, and one end of the valve rod penetrates through the valve shell; a positive pressure side airflow baffle and a negative pressure side airflow baffle are arranged on the valve rod at intervals; the positive pressure side valve sleeve and the negative pressure side valve sleeve are arranged at the two opposite ends of the valve rod respectively in a sleeving mode and are adjacent to the positive pressure side airflow baffle and the negative pressure side airflow baffle respectively. One side of the valve shell is provided with a negative pressure port and a positive pressure port which are arranged at an ...

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Номер записи: 7
28-07-2023 дата публикации

Underwater high-reliability balanced unlocking cylinder

Номер: CN116498618A
Автор: GAO LONGLONG, LI BAOREN, ZHAO FENG, YANG GANG, FU XIAOYUN, DU JINGMIN, ZHAO ZHIXIN, ZHANG JIANXING
Принадлежит:

The invention belongs to the technical field of pneumatics, and particularly discloses an underwater high-reliability balanced unlocking air cylinder which comprises a cylinder body, a piston rod and a spring, and an output side end cover and a locking side end cover are arranged at the two ends of the cylinder body respectively; the piston rod axially penetrates through the cylinder body, the two ends of the piston rod extend out of the output side end cover and the stop side end cover respectively, and a baffle is installed on the end face, on the stop side end cover side, of the piston rod. A piston in clearance fit with the cylinder body is arranged on the piston rod, a positioning boss is arranged on the side, close to the locking side end cover, of the piston, and an inflation cavity is formed among the positioning boss, the cylinder body and the locking side end cover. The spring is located in a spring cavity formed between the cylinder body and the piston rod, and the two ends of ...

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Номер записи: 8
23-06-2023 дата публикации

Hydraulic system of bidirectional powder compression molding device

Номер: CN116278112A
Автор: LI BAOREN, WU ZHE, YANG GANG, XU YUE, CHU JINGRUI, GAN RUNLIN, GAO LONGLONG, WANG WENHANG, GAO LUPING
Принадлежит:

The invention belongs to the technical field of powder pressing, and discloses a hydraulic system of a bidirectional powder pressing and forming device, which comprises a bidirectional powder pressing and forming unit, each double-valve-element independent control unit comprises a first proportional valve and a second proportional valve, the first proportional valve is connected with a rod cavity of the hydraulic cylinder on one side, and the second proportional valve is connected with a rodless cavity of the hydraulic cylinder on the same side; one side of each of the first proportional valve and the second proportional valve comprises a port P and a port T, the other side of each of the first proportional valve and the second proportional valve comprises a port A and a port B, the port B of the first proportional valve is plugged, and the port A of the second proportional valve is plugged; the control unit is connected with the two double-valve-element independent control units so as ...

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Номер записи: 9
25-07-2023 дата публикации

Adjustable pipeline humidification experiment system for pneumatic system and application of adjustable pipeline humidification experiment system

Номер: CN116481785A
Автор: DU JINGMIN, LEI WEIJIA, LI BAOREN, GAO LONGLONG, YANG GANG, FU XIAOYUN
Принадлежит:

The invention belongs to the related technical field of pneumatic systems, and discloses an adjustable pipeline humidification experiment system for a pneumatic system and application of the adjustable pipeline humidification experiment system for the pneumatic system. The experiment system comprises an air compressor, a high-pressure air tank, a first high-pressure air pressure reducing valve, a second high-pressure air pressure reducing valve, a gas-liquid dual-purpose cylinder, an adjustable pipeline humidifier and a pressure measurement subsystem; an outlet of the air compressor is connected to an inlet of the high-pressure air tank, an outlet of the high-pressure air tank is connected to an inlet of the first high-pressure air pressure reducing valve and an inlet of the second high-pressure air pressure reducing valve, and an outlet of the first high-pressure air pressure reducing valve is connected to an air cavity of the gas-liquid dual-purpose cylinder. A liquid cavity of the gas-liquid ...

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Номер записи: 10
25-08-2023 дата публикации

Gas rotational flow mixing device and application thereof

Номер: CN116637540A
Автор: YANG GANG, WANG WENHANG, LI BAOREN, GAO LONGLONG, FU XIAOYUN, DU JINGMIN, CHU JINGRUI, WU ZHE, WU YUANHAO
Принадлежит:

The invention belongs to the technical field of gas mixing, and particularly discloses a gas rotational flow mixing device and application thereof.The gas rotational flow mixing device comprises a mixing containing cavity, a rotational flow structure and a sleeve, the rotational flow structure is fixed in the mixing containing cavity through the sleeve, and the mixing containing cavity is sequentially divided into a flow mixing area, a rotational flow area and a flow equalizing area from left to right; the rotational flow structure comprises a circular plate and a streaming column which are fixedly connected, the circular plate is in transition fit with the sleeve, the left side area of the circular plate is a flow mixing area, a plurality of gas inlets are formed in the flow mixing area, and a plurality of inclined holes are formed in the circular plate; a gap is formed between the streaming column and the sleeve and is a rotational flow area; the flow equalizing area is a necking with ...

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Номер записи: 11
01-08-2023 дата публикации

Control method for enhancing robust interference resistance of voice coil motor direct drive system

Номер: CN116526928A
Автор: LI BAOREN, ZHOU SHAOLIANG, DU JINGMIN, GAO LONGLONG, YANG GANG, FU XIAOYUN
Принадлежит:

The invention belongs to the technical field related to electric-pneumatic servo control, and discloses a control method for enhancing robust interference resistance of a voice coil motor direct drive system. S1, establishing a kinetic equation, a model error and a state equation of the voice coil motor direct drive system; s2, the lumped interference is expanded into an additional state variable to update the state equation, an expanded state anti-interference observer and conditions met by estimation errors of the expanded state anti-interference observer are set on the basis of the updated state equation, and estimation of the lumped interference is calculated through the expanded state anti-interference observer; and S3, a tracking error signal and an auxiliary error signal are set, and a robust anti-interference enhancing controller is constructed to compensate the estimation of the lumped interference and the difference value of the lumped error, so that the control of the voice coil ...

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Номер записи: 12