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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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Применить Всего найдено 3. Отображено 3.
23-06-2023 дата публикации

Construction method for assembling, launching, disassembling and hoisting out shield in tunnel hole

Номер: CN116291508A
Автор: LIU QINGLIN, XIE ZHANGSHAO, TANG GUANGZHONG, ZHANG SHUFANG, TANG CHUN, LI HAOPENG, ZHONG CUIHUA, PANG BO, WANG ZENGHUI, WU QIAN, HUANG HUANMIN
Принадлежит:

The invention provides a construction method for shield assembly launching and disassembly lifting-out in a tunnel hole, and relates to the technical field of civil tunnel engineering. The construction method for shield assembly launching and disassembly hoisting-out in the tunnel comprises the steps that a first auxiliary adit and an underground launching expansion cavern communicating with the first auxiliary adit are constructed from the ground; the disassembled shield tunneling machine is conveyed to the starting expansion cavern through the first auxiliary adit, and assembling and debugging are carried out; the shield tunneling machine carries out tunneling construction along the axial main line tunnel of the starting expanded cavern; a second auxiliary adit and an underground receiving expansion cavern communicating with the second auxiliary adit are constructed from the ground, and the starting expansion cavern and the receiving expansion cavern are arranged at the two ends of the ...

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Номер записи: 1
22-06-2016 дата публикации

High pressure common rail fuel injection pressure control system

Номер: CN0205330816U
Автор: WU XI, CHEN WEI, WANG YU
Принадлежит:

... 本实用新型公开了一种高压共轨喷油压力控制系统，以直流电机驱动的电动输油泵为执行元件，通过调节低压输出油量进行高压共轨喷油压力调节，其特征在于，通过采集发动机运行参数计算喷油压力设定值及电动输油泵的目标驱动PWM信号值，PWM信号占空比的控制逻辑随发动机运行工况模式的切换发生变化。本实用新型控制电动输油泵的供油量进行共轨喷射压力调节，避免发动机不必要的负载，提高发动机的能量转换效率，契合汽车执行器的智能化、集成化、模块化的发展趋势。这改变了传统的共轨喷油压力控制、标定模式，降低了对高压共轨喷油系统供应商的技术依赖，有助于提高发动机及柴油车制造商的自主设计、开发能力。 ...

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Номер записи: 2
02-05-2023 дата публикации

Method and device for traffic offload forwarding in multi-binding mode, and medium

Номер: CN116055426A
Автор: LI JI, WU QIAN
Принадлежит:

The invention provides a method and equipment for flow unloading forwarding in a multi-binding mode, and a medium. The method comprises the following steps: determining an output port for hardware traffic unloading by querying a hardware flow table; judging whether the output port is a binding port or not; if not, flow forwarding is carried out by querying a physical output port table; if yes, querying a link aggregation group binding mode table according to table item information issued by the management and control surface so as to determine a corresponding binding mode, and performing link state detection on a link associated with the output port according to the binding mode so as to obtain a link state detection result; and according to the detection result, configuring a binding representative port hardware member table associated with the output port for traffic forwarding in the binding mode, and the management and control surface updating the table item information in response ...

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Номер записи: 3