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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 4. Отображено 4.
23-05-2023 дата публикации

Width-adjustable plastic extruded sheet automatic extrusion device

Номер: CN116141631A
Автор: JIANG TINGFEI
Принадлежит:

The invention discloses a width-adjustable plastic extruded sheet automatic extrusion device, and relates to the technical field of extruded sheet production. The width-adjustable plastic extruded sheet automatic extrusion device comprises an extrusion molding die head, a plurality of extrusion molding branch pipes communicating with a material passing channel formed in the extrusion molding die head are embedded in the front end face of the extrusion molding die head at equal intervals, and a backflow mechanism comprises a plurality of mounting grooves which are formed in the extrusion molding die head at equal intervals, correspond to the extrusion molding branch pipes and communicate with the extrusion molding branch pipes. The backflow mechanism is triggered to operate through the plugging block in the process that the extrusion width of the extrusion molding plate is adjusted to plug the extrusion molding branch pipe, and materials are cut off through the cut-off plate; and then the ...

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Номер записи: 1
18-07-2023 дата публикации

Passenger behavior identification method based on support vector machine

Номер: CN116443688A
Автор: ZHANG HONGBING, JIANG TINGFEI, XU JIADONG, ZHAO KAI, WANG XUETING, LUO WEISHENG, LI HUAIYONG, MIN JIE
Принадлежит:

The invention discloses a passenger behavior recognition method based on a support vector machine. The passenger behavior recognition method comprises the steps that S1, an infrared device detects the state of an elevator door; s2, monitoring the key point state of the human body by a camera; s3, key point coordinate difference values are analyzed and compared; s4, feeding back a signal to the system according to the coordinate difference value and a vector machine classification model signal processor; s5, the system receives the signals and then recognizes and processes passenger behaviors, the infrared device combined with human body key point recognition is provided for overcoming the defects of an existing elevator infrared device to recognize falling-down and other actions of people, the problem of the detection precision of the existing infrared device can be solved, and the safety of the elevator is improved. And the safety of passengers in the elevator when accidents occur is further ...

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Номер записи: 2
16-06-2023 дата публикации

Elevator control cabinet fault diagnosis method based on sound signals

Номер: CN116263805A
Автор: JIANG TINGFEI, ZHANG HONGBING, ZHAO KAI, XU JIADONG, LUO WEISHENG, WANG XUETING, MIN JIE, LI HUAIYONG
Принадлежит:

The invention discloses an elevator control cabinet fault diagnosis method based on sound signals. The elevator control cabinet fault diagnosis method comprises the steps that the sound signals under the conditions of normal operation and different fault types of an elevator control cabinet are collected; decomposing the sound signals by adopting an underdetermined blind source separation method, and classifying and marking the decomposed sound signals according to fault types; preprocessing the decomposed sound signals, extracting signal features, and establishing a fault sound feature database; and constructing a PSO-BP neural network model, and training through the fault sound feature database to obtain a fault diagnosis model for fault diagnosis. According to the difference of sound signals generated by different fault types, corresponding signal features are extracted, the neural network model is constructed for training to obtain the final fault diagnosis model, and the fault diagnosis ...

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Номер записи: 3
16-06-2023 дата публикации

Safe elevator stopping control method and auxiliary device for elevator maintenance

Номер: CN116262581A
Автор: TAI YANGYI, ZHANG HONGBING, MIN JIE, CHEN JINGXUAN, LI PINGPING, JIANG TINGFEI
Принадлежит:

The invention discloses a safe elevator stopping control method for elevator maintenance and an auxiliary device. The safe elevator stopping control method comprises the steps that S1, the auxiliary device is used for controlling an elevator; according to the auxiliary device of the safe elevator stopping control method matched with elevator overhauling, a distance sensor is arranged on the elevator, the auxiliary device comprises a machine body, a display screen is arranged on the surface of the machine body, a switch and an adjusting button are arranged below the display screen, a communication line is arranged on the side face of the machine body, and the communication line is connected with the elevator. In combination with an auxiliary device, the actual position of the elevator can be accurately detected, errors are hardly generated, the safety of maintenance personnel can be greatly improved, and specifications and standards are effectively executed.

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Номер записи: 4