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 6. Отображено 6.
18-08-2023 дата публикации

Wind generating set operation control method and system under perturbation condition

Номер: CN116614027A
Автор: CHEN YANFANG, DENG CHANGSHOU, SHU TONG, LIU YUE, GUO SHUCHAO, JIANG JINLONG, JIANG ZHIWEI, GAO YIREN
Принадлежит:

The invention provides a wind generating set operation control method and system under a perturbation condition, and relates to the technical field of wind generating sets, the method comprises the following steps: obtaining stator voltage and current parameters of a wind generating set, and combining the parameters of the wind generating set to construct a wind generating set model with uncertainty, disturbance and noise interference; according to a T-S fuzzy linearization rule, performing parameter optimization on the fuzzy factors by adopting an optimization algorithm for foraging of rhododendron birds to determine an optimal value, and implanting the optimal value into a T-S fuzzy equation to realize linearization processing of the wind driven generator model; and infinite norm closed-loop control integral sliding mode stability control is carried out on the wind driven generator model, the sliding process is controlled to operate on an integral sliding mode surface by adjusting a control ...

Подробнее
Номер записи: 1
23-06-2023 дата публикации

Numerical control drilling and milling machine working state detection method based on machine vision

Номер: CN116309602A
Автор: SUN QINGHAI, HAN JIGUANG, HAN JIQIANG, NIU ZUOWEN, GUO SHUCHAO, LIU ENXI, ZHAO YANLIANG, HU DONGYANG, LIU YINGPING, LI ZHEN
Принадлежит:

The invention relates to a method for detecting the working state of a numerical control drilling and milling machine based on machine vision, which evaluates the working state of the numerical control drilling and milling machine by judging the grinding condition of the surface of a workpiece processed when the numerical control drilling and milling machine works, and obtains a gradient distribution histogram of each pixel point corresponding to the surface of the workpiece from the gradient direction characteristics of the pixel points; obtaining a gradient feature matrix according to the gradient distribution histogram, and obtaining a feature extraction result which highlights morphological representation features at the positions of the pixel points; secondly, region division is carried out on the image according to the similarity between the gradient feature matrixes extracted from all the pixel points, all damage positions on the surface of the workpiece are obtained, and the damage ...

Подробнее
Номер записи: 2
18-07-2023 дата публикации

Long profile drilling and milling method of drilling and milling system

Номер: CN116441931A
Автор: SUN QINGHAI, HAN JIGUANG, HAN JIQIANG, NIU ZUOWEN, GUO SHUCHAO, LIU ENXI, ZHAO YANLIANG, HU DONGYANG, LIU YINGPING, LI ZHEN
Принадлежит:

According to the long profile drilling and milling machining method of the drilling and milling system, the drilling and milling system comprises a control module, a feeding device, a drilling and milling device and a discharging device, the feeding device, the drilling and milling device and the discharging device are sequentially arranged, the control module can control operation of the feeding device, the drilling and milling device and the discharging device, and the machining method comprises the steps of S1 material arranging, S2 original point positioning, S3 drilling and milling machining, S4 remachining and S5 overall drilling and milling machining. In the machining process of the long sectional material, the long sectional material is positioned in a multi-section mode relative to the drilling and milling device and is automatically fed through the feeding device, and adjustment work of any drilling and milling position and any drilling and milling angle in the circumferential ...

Подробнее
Номер записи: 3
17-11-2010 дата публикации

Method and system for providing real-time on-line shopping suggestions

Номер: CN0101887566A
Автор: XIANCAI XU, JUNHUI BI, SHUCHAO GUO, XU XIANCAI, BI JUNHUI, GUO SHUCHAO
Принадлежит:

The invention discloses a method and a system for providing real-time on-line shopping suggestions. The method of the invention comprises that a set of plugin program running on an on-line shopping purchaser terminal provides on-line shopping suggestions including information on similar commodities related to commodities browsed by a purchaser in real time and helps the on-line shopping purchaser to make a purchase decision. The method comprises the following steps that: the terminal plugin program acquires the information on the commodities browsed by the purchaser; the terminal plugin program summits the information on the commodities to a server; the server queries on-line shopping suggestions matched with the information; the server transmits the on-line shopping suggestions to the terminal plugin program; and the terminal plugin program provides the on-line shopping suggestions for the on-line shopping purchaser to help the on-line shopping purchaser to make the decision. The system ...

Подробнее
Номер записи: 4
09-06-2023 дата публикации

Five-axis linkage numerical control machine tool intelligent monitoring system based on Internet of Things

Номер: CN116237817A
Автор: SUN QINGHAI, HAN JIGUANG, HAN JIQIANG, NIU ZUOWEN, GUO SHUCHAO, LIU ENXI, ZHAO YANLIANG, HU DONGYANG, LIU YINGPING, LI ZHEN
Принадлежит:

The invention relates to the field of data processing, in particular to a five-axis linkage numerical control machine tool intelligent monitoring system based on the Internet of Things, the system comprises a data acquisition module, a data processing module and an early warning module, the data acquisition module is used for acquiring an intelligent monitoring data matrix; the data processing module is used for extracting preliminary abnormal detection points; obtaining noisy point data according to the fluctuation factors of the data in the preliminary abnormal detection points; constructing a center noisy point data structure distribution index; obtaining an adaptive filtering window size of the center noise point data according to the structure distribution index of the center noise point data; obtaining an optimized adaptive window size of the central noise point data; according to the time sequence analysis index and the space analysis index of each preliminary abnormal detection ...

Подробнее
Номер записи: 5
18-07-2023 дата публикации

Horizontal type butt drilling and milling machine tool

Номер: CN116441932A
Автор: SUN QINGHAI, HAN JIGUANG, HAN JIQIANG, NIU ZUOWEN, GUO SHUCHAO, LIU ENXI, ZHAO YANLIANG, HU DONGYANG, LIU YINGPING, LI ZHEN
Принадлежит:

A horizontal type butt drilling and milling machine tool comprises a supporting system and a drilling and milling system arranged on the supporting system, the supporting system comprises a rack, two fixing rings with horizontal and collinear axes are arranged at the two ends of the rack, a material conveying module is arranged on the outer side of at least one fixing ring, and a spiral track is arranged between the two fixing rings; a moving block capable of spirally moving along the track is arranged on the inner side of the track, the drilling and milling system comprises drilling and milling mechanisms which are oppositely arranged, and the drilling and milling mechanisms are connected with the moving block through a longitudinal moving assembly and an axial moving assembly, so that the drilling and milling mechanisms can complete position and angle adjustment work under the cooperation of the moving block and the track; and position adjustment and feeding drilling and milling work ...

Подробнее
Номер записи: 6