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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 6. Отображено 6.
04-07-2023 дата публикации

Cutter head resistance moment simulation device for intelligent shield tunneling experiment

Номер: CN116378691A
Автор: CHEN RUIXIANG, LI ZENG, WANG CHAOFENG, YOU JINHU, ZENG CHUIGANG, LEE BONG-WON, ZHANG HEPEI, LIU YONGSHENG, HAN WEIFENG, WANG KAI, QIN YINPING, LIN CHUNGANG, LI DAWEI, YANG JUNHUA, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention discloses a cutterhead resistance moment simulation device for an intelligent shield tunneling experiment, which comprises a welding flange fixedly arranged on the front surface of a cutterhead, a friction cylinder arranged on the welding flange, a center body arranged in the friction cylinder and a torque sensor arranged above the center body, the supporting beam is arranged on the shield body; resistance blocks are symmetrically arranged on the left side and the right side in the cavity of the center body in a sliding mode, and the two resistance blocks are connected with the two ends of an oil cylinder placed in the center body respectively; arc-shaped friction plates are arranged on the outer sides of the resistance blocks respectively. The device can be used for simulating the resistance moment encountered when the cutterhead is tunneled in a shield tunneling experiment, changes of geological conditions, cutterhead states and the like during shield tunneling can be simulated ...

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Номер записи: 1
04-07-2023 дата публикации

Shield construction ground surface settlement control optimization method based on stage settlement

Номер: CN116383938A
Автор: ZHANG BIN, LI YONGJUN, YOU JINHU, YANG JUHUI, LI ZENG, ZHOU YI, HU MIN, ZHANG HEPEI, LI SHU'AO, JIANG NAN, CHEN RUIXIANG, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention discloses a shield construction ground surface settlement control optimization method based on stage settlement, which comprises the following steps of: researching stratum characteristics for analyzing settlement characteristics under different working conditions; defining multi-stage settlement target values, analyzing the relationship between front settlement and rear settlement and the accumulative settlement amount, and giving settlement control target values of different stages under different working conditions; constructing a multi-stage settlement prediction model, and respectively starting from the geometrical parameters, geological parameters and tunneling parameters of the tunnel, and establishing a front-stage settlement prediction model and a rear-stage settlement prediction model; establishing an optimization model and evaluating engineering benefit indexes, and constructing a particle swarm optimization model by taking comprehensive optimization of safety, ...

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Номер записи: 2
18-07-2023 дата публикации

Self-adaptive control method for rotating speed of TBM cutterhead

Номер: CN116446896A
Автор: YU KAIXUAN, HUANG JINGUANG, WANG CHAOFENG, YANG JUHUI, ZHANG HEPEI, ZHOU ZHENJIAN, JIANG NAN, LI SHU'AO, GU TIANXIN, WAN XUEYU, ZHANG BIN, LI MENGYU, LI ZENG, ZHOU YI, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention relates to the technical field of TBMs (Tunnel Boring Machine), in particular to a TBM (Tunnel Boring Machine) cutterhead rotating speed self-adaptive control method. According to the method, a relevant database and a random forest algorithm optimization model are established, the rotating speed of the cutterhead is adjusted according to real-time parameters, self-adaptive control over the rotating speed of the cutterhead is achieved, and the efficiency of propelling construction and the TBM operation accuracy can be greatly improved.

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Номер записи: 3
22-08-2023 дата публикации

Geological recognition method based on shield tunneling parameters

Номер: CN116624163A
Автор: WAN XUEYU, YANG CHENG, YE ZHONG, YANG JUHUI, LI ZENG, ZHOU YI, JIANG NAN, ZHANG HEPEI, GU TIANXIN, LI MENGYU, YU KAIXUAN, ZHANG BIN, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention relates to the technical field of shield construction, in particular to a geological recognition method based on shield tunneling parameters, which comprises the following steps: collecting tunneling parameters of a shield tunneling machine; statistical analysis and correlation analysis are carried out on the collected tunneling parameters; using a K-Means clustering algorithm to carry out unsupervised learning on shield tunneling parameters and geological categories; and finally realizing geological recognition based on the shield tunneling parameters according to a clustering result. The current geological type of the shield tunneling machine can be confirmed, and a certain reference is provided for accurate regulation and control of tunneling parameters of the shield tunneling machine. The shield tunneling parameters are combined with geological information, the current geology is accurately recognized, safety accidents are prevented, and meanwhile great research significance ...

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Номер записи: 4
04-07-2023 дата публикации

Shield circulation system blocking early warning method

Номер: CN116378764A
Автор: LI MENGYU, YOU JINHU, LI ZENG, ZHOU YI, LI ZHIGUO, JIANG NAN, GAO HUIZHONG, ZHANG HEPEI, LI SHU'AO, HUANG JINGUANG, YANG CHENG, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention relates to a blocking early warning method for a shield circulation system. Comprising the steps of historical data extraction, data state screening, data state analysis, historical data cleaning, real-time data accumulation, equivalent data detection, real-time data cleaning, sliding window processing, feature data analysis, shield state query, diameter type query, circulation system blockage criterion and circulation system blockage early warning. According to the method, the historical data characteristics, the real-time data characteristics, the shield state information and the blocking criterion of the shield circulation system can be combined to judge whether the circulation system is blocked or not, so that the technical problems of low judgment speed and low accuracy in manual judgment of the blocking of the circulation system can be solved; and the urgent demand of shield operation on real-time and accurate judgment of the blocking condition of the circulation system ...

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Номер записи: 5
14-07-2023 дата публикации

Cutter head clamping abnormal event identification method based on tunneling parameters and expert experience

Номер: CN116427948A
Автор: GU TIANXIN, YE ZHONG, LI ZENG, ZHOU YI, JIANG NAN, ZHANG HEPEI, ZHOU ZHENJIAN, LI SHU'AO, WAN XUEYU, ZHANG BIN, YU KAIXUAN, LI MENGYU, YOU JINHU, HUANG JINGUANG, YANG CHENG, YANG JUHUI, XIA MING, SHI ZHIHUI, YANG TIANLI, HUANG WEI, CHEN LELE, LIANG RONGZHANG
Принадлежит:

The invention relates to the technical field of shield construction, in particular to a cutterhead clamping abnormal event identification method based on tunneling parameters and expert experience. According to the method, a data extraction and cleaning method is adopted, tunneling parameters are processed, abnormal cutter head clamping events are predicted through historical data, real-time data and an expert experience table, constructors are helped to find the cutter head clamping events earlier and take measures in time, and therefore the construction efficiency is improved.

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Номер записи: 6