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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 15. Отображено 15.
27-06-2023 дата публикации

Current type speed sensor acquisition safety circuit

Номер: CN116338233A
Принадлежит:

The invention discloses a current type speed sensor acquisition safety circuit, and relates to the technical field of rail transit, the current type speed sensor acquisition safety circuit comprises a signal ATP speed acquisition circuit adopting a double two-out-of-two architecture, the signal ATP speed acquisition circuit comprises an A system and a B system, each of the A system and the B system comprises two CPUs, each CPU is provided with four independent acquisition circuits, and the four independent acquisition circuits are respectively connected with the A system and the B system. The four acquisition circuits of each CPU respectively acquire two speed sensor channel signals of the two speed sensors. The signal ATP speed acquisition circuit provided by the invention can be matched with a current type speed sensor based on a Hall principle, each group of acquisition circuit only occupies two channels of the speed sensor to realize speed and direction acquisition, and the two speed ...

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10-12-2014 дата публикации

Method for controlling traction braking force by TCMS

Номер: CN104192154A
Принадлежит:

The invention relates to a method for controlling a traction braking force by a TCMS. The method comprises the following steps: constructing a hard wire backup control circuit; constructing a TCMS network redundancy control circuit; when a TCMS network is normal, starting the TCMS network redundancy control circuit and carrying out TCMS network control by adopting a pre-defined algorithm; and when the TCMS network is abnormal, starting the hard wire backup control circuit. According to the method, the TCMS network control is taken as priority and the hard wire control is taken as backup; meanwhile, the signal redundancy of the TCMS network control is guaranteed and the control of the traction braking force is safe and reliable.

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30-06-2023 дата публикации

Ethernet security communication method based on IP-RAW protocol

Номер: CN116366328A
Принадлежит:

The invention discloses an Ethernet security communication method based on an IP-RAW protocol, and relates to the technical field of rail transit train control. The Ethernet security communication method comprises the following steps: starting periodic communication, completely receiving IP-RAW data packets of all board cards by a main control board to a cache, checking whether a minimum set IP-RAW data packet is completely received or not, and the like. The Ethernet is adopted for internal communication of the equipment, the data transmission rate and throughput are far higher than those of traditional communication modes such as CAN and RS485, the Ethernet technology is continuously promoted and evolved, the transmission bandwidth and the exchange mode are continuously expanded and improved according to application requirements, and practical application of the technical scheme is facilitated.

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07-01-2015 дата публикации

Start control method of train air conditioning units

Номер: CN104260740A
Принадлежит:

The invention relates to a start control method of train air conditioning units. An air conditioning system involved comprises air conditioning controllers which are in communication connection with a central processing unit by virtue of a communication network; a reference clock is set in the central processing unit; a timing clock and a clock signal significance bit are set in each air conditioning controller; the compartments of the train are serially numbered in a predetermined order; the control method comprises initializing correction synchronization, and enabling each air conditioning controller to turn on or off the corresponding air conditioning unit according to own timing clock. The start control method of the train air conditioning units specially aims at the train air conditioning system; on the basis of the existing equipment and extremely ingenious design, the technical problem that an existing air conditioning controller is subject to TCMS system communication conditions ...

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09-07-2014 дата публикации

Train intelligence lighting control method

Номер: CN103909945A
Принадлежит:

The invention relates to a train intelligence lighting control method. The train intelligence lighting control method includes: arranging circuits in a train head and a carriage; selecting a lighting mode on a human and computer interface; using a controller to control illumination opening and closing through a train network system. The train intelligence lighting control method fully uses the train network system, and achieves train lighting control through a soft switch on the human and computer interface.

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03-12-2014 дата публикации

Network control method for BLB (Bus Line Contactor)

Номер: CN104175884A
Принадлежит:

The invention relates to a network control method for a BLB (Bus Line Contactor). The method comprises the following steps: when the state of an RIOM (Remote Input/Output Module) is normal, judging the number of HSCBs (High Speed Circuit Breakers) with high-voltage signals; when at least one traction unit has the high-voltage signal, sending a detection signal to the RIOM through a VCU (Train Network Vehicle Control Unit); when a BHB (High Voltage Bus High Speed Breaker) removal instruction does not exist and the current running speed of a train is higher than 2km/h, judging whether the train is in an inter-train power mode or a no-inter-train power mode through the VCU; if the train is in the no-inter-train power mode, judging whether the BHB is in a closed state; when the BHB is in the closed state, transmitting a BLB closing instruction to the RIOM through the VCU; after the RIOM controls the BLB to be closed for 3s, judging the state of the BLB through the VCU; when the BLB is in the ...

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16-07-2014 дата публикации

Medium voltage redundancy power supply method based on network control

Номер: CN103928978A
Принадлежит:

The invention relates to a medium voltage redundancy power supply method based on network control. The medium voltage redundancy power supply method based on network control comprises an arrangement circuit used for detecting the state of auxiliary convertors. If one auxiliary convertor breaks down, operation loads of an air conditioner system are reduced by half or the air conditioner system is converted to be at the ventilation mode, and power supply contactors are switched on and supplied with power by the same auxiliary convertor. The power supply reliability of a train can be ensured only through one bus, and the medium voltage redundancy power supply method based on network control is beneficial to lowering manufacturing cost, lowering wiring difficulty and reducing the weight of the train.

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23-09-2015 дата публикации

Recoverable ammonia absorbing device with pressure balance function

Номер: CN0204656293U
Принадлежит:

The utility model discloses a recoverable ammonia absorbing device with pressure balance function, which comprises a tank body, jar body top is provided with water inlet, air inlet and negative pressure air inlet, jar side wall is provided with the malleation gas outlet, jar body bottom is provided with the liquid outlet, the internal baffle that transversely is provided with of jar, be provided with inside communicating pipe on the baffle, still be provided with outside communicating pipe on the wall of jar side, inside communicating pipe with outside all the connection communicating pipe the jar is internal the upper and lower parts of baffle. The utility model discloses a recoverable ammonia absorbing device with pressure balance function for the water seal arrangement that all can normally work under malleation and negative pressure, connects the outer communicating pipe of upper and lower layer accessible of device simultaneously, makes its function that has the waste liquid of recycle ...

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03-12-2014 дата публикации

BHB (high voltage bus high speed breaker) network control method

Номер: CN104175911A
Принадлежит:

The invention relates to a BHB (high voltage bus high speed breaker) network control method, which comprises the following steps that a VCU (train network vehicle control unit) judges the state of an RIOM (remote input/output module); if the state of the RIOM is normal, the VCU judges the number of VVVFs with high-voltage signals; when at least one VVVF has the high-voltage signals, whether a BHB removal instruction exists or not is judged; when no BHB removal instruction exists, whether the VVVF for controlling the switching-on state of an HSCB (high speed breaker) exists or not is judged; if at least one VVVF for controlling the switching-on state of the HSCB exists, the state of cabs arranged at two ends of a train is judged; when only the cab at one end is activated, the switching-on control is carried out; the VCU controls the BHB to be switched off through the RIOM, after 0.5 second, the VCU controls the BHB to be switched on, after the time delay for 3 seconds, the VCU calls the ...

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25-03-2015 дата публикации

Urban rail vehicle electric control method based on logic control unit

Номер: CN104442923A
Принадлежит:

The invention relates to an urban rail vehicle electric control method based on a logic control unit. The method includes the following steps that (1) the logic control unit judges whether a low-pressure under-pressure signal of a train is activated or not, and the step (2) is executed when S1=1; (2) the logic control unit judges whether a train cab is activated or not, the step (3) is executed when S21=0, and the step a is executed when S21=1; according to the step a, the logic control unit judges whether a high-pressure signal of the train exists, the step (3) is executed when S22=0, and the step b is executed when S22=1; according to the step b, the logic control unit judges whether a middle-pressure signal of the train exists or not, the step (3) is executed when S23=0, and the logic control unit controls the train to be in a sleeping state when S23=1; (3) the logic control unit judges whether a sleeping button is activated or not, the logic control unit controls the train to be in ...

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13-06-2023 дата публикации

Train operation method and system based on high-precision map

Номер: CN116252827A
Принадлежит:

The invention discloses a train operation method and system based on a high-precision map, and relates to the technical field of traffic train operation, the system comprises a fusion host, a vehicle-mounted laser radar, vehicle-mounted binocular vision, vehicle-mounted inertial navigation and an ATS system, and the fusion host is connected with the ATS system in a wireless communication mode; the fusion host is used for fusing data and constructing a high-precision map and a storage map; the vehicle-mounted laser radar, the vehicle-mounted binocular vision and the vehicle-mounted inertial navigation are connected with the fusion host through the Ethernet; the ATS system is used for issuing a high-precision electronic map and a time table and updating a mother map; the vehicle-mounted laser radar, the vehicle-mounted binocular vision and the vehicle-mounted inertial navigation are connected to the fusion host through the Ethernet, and the fusion host constructs a map. According to the invention ...

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30-06-2023 дата публикации

High redundancy control method and control system based on intensive vehicle controller

Номер: CN116360244A
Принадлежит:

The invention discloses a highly redundant control method and control system based on an intensive vehicle controller, and relates to the technical field of train control systems.The highly redundant control method comprises the steps that intensive hosts divide vehicle subsystems in trains corresponding to the intensive hosts into SIL4, SIL2 and SIL0 according to control functions in a Hypervisor virtualization mode; the intensive host is used for completing the functions of each train subsystem in the train, the intensive host is used for distributing SIL4, SIL2 and SIL0 to different CPU and memory addresses through Hypervisor virtualization to realize physical isolation, each train adopts one intensive host to complete the control of the level of the train, and the control of the level of the train is realized in a competition and majority voting mode. The system has the advantages that the reliability and the real-time performance of a train can be improved, deterministic network data ...

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19-11-2014 дата публикации

MVB bus network architecture method and network structure

Номер: CN104149796A
Принадлежит:

The invention relates to an MVB bus network architecture method and a network structure. The method comprises the steps of erecting a vehicle-level MVB bus; erecting a train-level MVB bus; connecting a train central control unit and a driver display unit in the vehicle-level MVB bus; and starting to work. The network structure comprises the vehicle-level MVB bus and the train-level MVB bus. The MVB bus network architecture method can guarantee relatively high reliability with relatively few devices, and can still control non-fault vehicles even if a fault occurs in a relay, thereby greatly increasing usability of the vehicles.

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07-01-2015 дата публикации

Event recording method and equipment based on central control unit

Номер: CN104268958A
Принадлежит:

The invention relates to an event recording method and equipment based on a central control unit. The method comprises the following steps: collecting a realtime signal, recording the event, collecting a redundant signal, comparing the two signals, and performing motions according to the comparison result. The equipment comprises a train central control unit, a controller, and a memory. The method and equipment has the advantages of simpleness, reliability, reduced cost, and convenience for maintenance and debugging in the later period.

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09-05-2023 дата публикации

Vehicle-mounted fault analysis and query system and method under various input conditions

Номер: CN116089453A
Принадлежит:

The invention discloses a vehicle-mounted fault analysis query system and method under various input conditions, and relates to the technical field of rail transit, the system comprises a central processing module, the central processing module is electrically connected with a data acquisition module, a data processing module, an input module, a query construction database, a display screen and a playback display module, the data acquisition module is used for acquiring vehicle-mounted data, the query construction database is used for storing the acquired data and a fault diagnosis logic diagram, the input module is used for transmitting the input data to the central processing module, and the data processing module is used for receiving the data input by the input module. The system has the advantages of being capable of carrying out various input query on vehicle-mounted faults, displaying and playing back curve graphs, tables and logic diagrams and the like.

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