CN108400811A - Spacelab information system based on advanced onboard processing method - Google Patents
Spacelab information system based on advanced onboard processing method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
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- H04B7/18504—Aircraft used as relay or high altitude atmospheric platform
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Abstract
The present invention relates to a kind of spacelab information systems based on advanced onboard processing method, including：Based on the data information system of 1553B buses, telemetering, instruction and communication function are realized；High speed data transmission system based on AOS realizes the transmission of high-speed data.Spacelab information system according to the present invention based on advanced onboard processing method can support manned spacecraft to complete all in-orbit functions.
Description
Technical field
The present invention relates to spacecraft electric fields, are related to a kind of design more particularly to one of manned spacecraft information system
Manned spacecraft information system of the kind based on advanced onboard processing method.
Background technology
With the continuous development of space technology, the tasks of science of spacecraft flight is increasingly heavy, and data volume is increasing,
TG-1 spacelab data source categories are more, and bus data amount is big, has a variety of output channels, is embodied in：
1) data of spacelab transmission include engineering telemetering, the telemetering of number pipe, image speech, scientific experimentation data, answer
Use system data.
2) data source of spacelab includes 2 sets of 1553B buses totally 26 terminals, 1 set of docking 1553B bus totally 2
Terminal, 1 set of 1394 bus totally 5 terminals, the direct high-speed hardware interface (LVDS) of occupant, speech (RS422) etc..
3) 3 sets of total 600kbps of 1553B bus data amounts of spacelab, 1394 bus data amounts reach 46Mbps.
4) to S data rate 2kbps, back S data rate 768kbps × 2, forward direction Ka data rates before spacelab
3.2Mbps, back Ka maximum data rate 144Mbps, while can adapt to the data transmission of basic, normal, high three kinds of rates.
Data format and transmission rate described above from different data sources are different, domestic other any spacecrafts
All without such numerous data sources and so complicated bus architecture, these designs to data multiplexing, storage
Bring difficulty.
Invention content
It is an object of the invention to solve the above problems, a kind of support manned spacecraft is provided and completes that institute is functional to be based on
The spacelab information system of advanced onboard processing method.
To achieve the above object, the present invention provides a kind of spacelab information based on advanced onboard processing method
System, which is characterized in that including：
Based on the data information system of 1553B buses, telemetering, instruction and communication function are realized；
High speed data transmission system based on AOS realizes the transmission of high-speed data.
According to an aspect of the present invention, described information system realizes data using AOS data system and pseudo channel
Scheduling controlling.
According to an aspect of the present invention, the data information system based on 1553B buses includes：Central processing list
Member, RTU, mass storage and high-speed data multiplexer, data converter；
Mass storage is for storing telemetry, delayed telemetry data, test data and medical data；
High-speed data multiplexer receives the real-time telemetry data of CTU, the delayed telemetry number of mass storage for multiple connection
According to and voice data, distribute corresponding pseudo channel for different types of data, be scheduled according to the priority of setting.
According to an aspect of the present invention, the high speed data transmission system based on AOS includes：
Link terminal equipment, including：Relay comprehensive unit, Ka transmitting-receiving subassemblies and relay antenna；
High-speed communication processor completes back platform telemetry data, in-orbit test data, occupant's telemetry, picture number
According to, the tidal data recovering of voice data, mass storage delay data, by the formatting and scheduling of transmission frame, channel coding,
It the processing such as synchronizes, forms uniform data and stream the link terminal equipment transmission；And before link terminal equipment reception
To data, including telecommand, data, speech and image are injected, after communication process and branch, by respective output interface
It sends out.
According to an aspect of the present invention, the Ka transmitting-receiving subassemblies include：
Ka channels are relayed, the transmitted in both directions of high-speed data is completed；
The transmitted in both directions of the high-speed data includes：Fl transmission telecommand, injection data and 2 tunnel high-speed words
Sound, 1 tunnel high-speed image and sound accompaniment；And
Back transmits data, 2 road high quality speech, 2 road high quality graphics and the companion of number pipe high-speed data multiplexer multiple connection
Sound, delay data and payload data.
According to an aspect of the present invention, the relaying Ka channel forward-going data rates are 3.2Mbps, back transmission
The maximum rate of data is 144Mbps；
In the high speed data transmission system based on AOS, the high-speed communication processor receives the relaying Ka letters
6 pseudo channels are distributed when the forward data in road；
The high-speed communication processor distributes 8 pseudo channels when receiving the back data of the relaying Ka channels.
According to an aspect of the present invention, the data information system based on 1553B buses, which uses, meets AOS standards
Number pipe telemetry protocol；
The data structure that several pipe telemetry protocols use includes：
EPDU is wrapped in source, and packaging protocol data unit is formed by by certain format to different type telemetry；
Multichannel protocol Data Unit MPDU is combined multiple source bag datas by certain format, so that multiple sources are wrapped
Share a pseudo channel transmission；
Bit stream protocol Data Unit BPDU, is made of top guide and data field；
Virtual channel data unit member VCDU is made of leading head, data field and tailer sequence；
Channel Access Data Unit unit CADU, is made of virtual channel data unit member VCDU and synchronous code.
According to an aspect of the present invention, the multichannel protocol Data Unit MPDU by multichannel protocol Data Unit top guide and
Multichannel protocol Data Unit packet domain is constituted；
First top guide pointer in the multichannel protocol Data Unit top guide is pointing directly at of first source packet EPDU
Beginning position；
Multichannel protocol Data Unit packet domain first character section is the first byte that the packet header EPDU is wrapped in the source.
According to an aspect of the present invention, the data field of the virtual channel data unit member VCDU is the multichannel agreement number
According to unit MPDU and the bit stream protocol Data Unit BPDU；
The length of the virtual channel data unit member VCDU is 882 bytes；
The data format of the virtual channel data unit member VCDU includes：
The space flight that the VCDU and the mass storage of the high-speed data multiplexer output are exported by 20M interfaces
Device delayed telemetry and airship delayed telemetry VCDU；
The crew subsystem 1M data and load data VCDU that the mass storage is exported by 20M interfaces.
According to an aspect of the present invention, described based in the data information system of 1553B buses, in observing and controlling area,
The high-speed data multiplexer receives spacecraft and airship real-time telemetry data, 32K voice datas and mass storage pass through
The delayed telemetry data for taking out frame are distributed pseudo channel for different types of data, are scheduled according to the priority of setting, used
Dynamic Scheduling Strategy makes the pseudo channel timesharing occupy a physical channel, by under the channels 768Kbps and the channels 2Mbps
Row；
Outside observing and controlling area, the high-speed test (HST) data of the mass storage multiple connection delayed telemetry data and burst carry out
Partitioned storage, and realize the mode put when writing enters behind observing and controlling area by being passed under 20Mbps accesses, the massive store
Device distributes 6 pseudo channels.
Manned spacecraft information system according to the present invention, advantage are the following aspects：
1) manned spacecraft (such as tiangong-1) information system first Application China manned spacecraft CCSDS recommends
Advanced Orbiting Systems (AOS) realize that manned spacecraft platform data, load data share bandwidth, unified management, bandwidth profit for the first time
With rate close to 100%.
2) by using the data system of Advanced Orbiting Systems in manned spacecraft information system, data source is solved
With external interface huge number, process demand is complicated, and the big problem of data throughout realizes platform telemetry data, image, words
Sound data, the 7 class data such as two-way payload real time data, mass storage data, interconnection network data reliably input, efficiently
Transmission, and ensure the requirement of the time delay of image, voice data.
3) by using virtual signal transmission strategy and dynamic dispatching control strategy, meet manned spacecraft in entire task
All users in period ensure that each input channel can share output bandwidth to data transfer demands, improve channel profit
With rate, forward data rate 3.2Mbps is realized, the transmitted in both directions of back maximum data rate 144Mbps can adapt to simultaneously
The data transmission of basic, normal, high three kinds of rates, the needs of special duty during meeting in orbit.
Effectively to transmit Various types of data, spacelab is using the part in the Advanced Orbiting Systems (AOS) of CCSDS suggestions
Traffic criteria carries out the design of number pipe telemetering.Meanwhile to solve that the data volume of relay transmission is big and channel is limited and various numbers
According to the different problem of priority, spacelab carries out downlink using the related business of Advanced Orbiting Systems (AOS) that CCSDS suggests
Communicating link data priority design.
Advanced Orbiting Systems (AOS) are international space data system Advisory Boards (CCSDS) specifically for multi-user, height
The space manned spacecraft of rate complexity and a kind of data processing proposed and transmission system, the manned spacecrafts such as international space station
AOS systems are all made of, China's target flight needs to handle and transmit a large amount of, multi-user high-speed data, using AOS bodies
System may be implemented to carry out dynamic dispatching and multiplexing to user data, form uniform data stream, ensure high efficiency, the usury of channel
With rate, ensure the data transmission of high quality.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 schematically shows a kind of data information system based on 1553B buses of embodiment according to the present invention
Composed structure and spacecraft telemetry source figure；
Fig. 2 indicates a kind of high speed data transmission system of the manned spacecraft based on AOS of embodiment according to the present invention
The schematic diagram of forward direction information flow；
Fig. 3 indicates a kind of high speed data transmission system of the manned spacecraft based on AOS of embodiment according to the present invention
The schematic diagram of back information flow；
Fig. 4 schematically shows the data structure diagram of packet EPDU in source according to the present invention.
Specific implementation mode
The description of this specification embodiment should be combined with corresponding attached drawing, and attached drawing should be used as the one of complete specification
Part.In the accompanying drawings, the shape of embodiment or thickness can expand, and to simplify or facilitate mark.Furthermore it is respectively tied in attached drawing
The part of structure will be to describe to illustrate respectively, it is notable that attached to be not shown in figure or do not illustrated by word
Element is the form known to a person of ordinary skill in the art in technical field.
The description of embodiments herein, any reference in relation to direction and orientation are merely for convenience of describing, and cannot manage
Solution is any restrictions to the scope of the present invention.It can be related to the combination of feature below for the explanation of preferred embodiment,
These features may be individually present or combine presence, and the present invention is not defined in preferred embodiment particularly.The present invention
Range be defined by the claims.
Spacelab information system be spacelab information collection, conversion, processing, transmission, display, storage it is all
Function soft and hardware set provides support for autonomous operation, the emergency operating of spacecraft, and during spacecrafts rendezvous with airship into
Row information communicates, and supports spacecrafts rendezvous.
According to the requirement of engineering totality, spacelab information system information type includes engineering telemetering, the telemetering of number pipe, words
The contents such as sound, video, test data, instruction, injection data.Information system is using 1553B bus data information systems as boat
The total line generalization achievement unit of its device divides telemetering, instruction, communication function, is passed using link terminal equipment, USB responses machine equipment and S numbers
Equipment constitutes day-ground information transmission system and realizes information transmission；It is real using the data system and pseudo channel of Advanced Orbiting Systems
Existing scheduling controlling, i.e., realize the scheduling controlling of data between 1553B bus datas information system and day-ground information transmission system
Strategy.
Above system is engineering overall system, including the summation of ground and space-orbit information system.And in the present invention,
Mainly illustrate the information system of space-orbit manned spacecraft.It is described as follows：
Spacelab information system according to the present invention based on advanced onboard processing method includes：It is based on
The data information system of 1553B buses and high speed data transmission system based on AOS.In the present invention, based on 1553B buses
Data information system can realize telemetering, instruction and communication function.The biography of high-speed data is realized based on day-ground information transmission system
It is defeated.
In the present invention, spacelab information system realizes the scheduling of data using AOS data system and pseudo channel
Control, that is, realize data based on 1553B buses data information system and based on the tune in the high speed data transmission system of AOS
Degree control.
Fig. 1 schematically shows a kind of data information system based on 1553B buses of embodiment according to the present invention
Composed structure and spacecraft telemetry source figure.As shown in Figure 1, the data information system based on 1553B buses includes：Centre
Manage unit, RTU, mass storage and high-speed data multiplexer.As shown in Figure 1, in the present embodiment, in observing and controlling area,
The telemetry of each subsystem and the data of other middle low speed are acquired and are sent by two sets of 1553B buses after organizing supreme by CTU
Fast data multiplexing device；Outside observing and controlling area, delay data is acquired by CTU and is sent to large capacity by two sets of 1553B buses after organizing
Memory.
Outside observing and controlling area, mass storage receives spacecraft delayed telemetry data, test data, the medicine that CTU is sent
It checks data, this three data is stored；In observing and controlling area, mass storage is sent out data are stored by LVDS interface
It send to high speed data multiplexing device.
High-speed data multiplexer received in observing and controlling area the real-time telemetry data of CTU, mass storage delayed telemetry
Data and voice data distribute corresponding pseudo channel for different types of data, are scheduled according to the priority of setting.When
When input data rate is added up to less than output speed, output combining data are led at a high speed to observing and controlling after being buffered by high-speed data multiplexer
Believe processor downlink；Real-time Delay telemetry and speech are also combined by high-speed data multiplexer, and output stream presses 768Kbps
Pass through observing and controlling S data set downlinks.
In the present invention, manned spacecraft high speed data transmission system uses the data system of Advanced Orbiting Systems.According to
One embodiment of the present invention, the high speed data transmission system based on AOS include：Link terminal equipment and high-speed communication processing
Device.Link terminal equipment includes relaying comprehensive unit, Ka transmitting-receiving subassemblies and relay antenna.In the present embodiment, to lead at a high speed
Believe that processor is that core realizes that the back collection neutralization of high-speed data is preceding to distribution and AOS communication protocol processes.Ka transmitting-receiving subassemblies
Complete the transmitted in both directions of high-speed data.
In the present embodiment, high-speed communication processor is the core equipment of high speed data transfer, high-speed communication processor
Complete back platform telemetry data, in-orbit test data, occupant's telemetry, image data, voice data, mass storage
The tidal data recovering of delay data forms uniform data by the processing such as formatting and the scheduling of transmission frame, channel coding, synchronous
Stream the link terminal equipment transmission；And receive forward data, including telecommand, injection from the link terminal equipment
Data (running parameter, text file, audio files), speech and image, after communication process and branch, by respective
Output interface is sent to specific user.
Fig. 2 and Fig. 3 indicates a kind of high speed data transfer of the manned spacecraft based on AOS of embodiment according to the present invention
The schematic diagram of system forward information flow and back information flow.
A kind of embodiment according to the present invention, Ka transmitting-receiving subassemblies include for completing in the transmitted in both directions of high-speed data
After Ka channels.As shown in Figures 2 and 3, in the present embodiment, the transmitted in both directions of high-speed data includes：It is sent to remote control demodulation
The fl transmission telecommand of device, the injection data for being sent to instrument controller and 2 tunnel high-speed speeches, 1 tunnel high-speed figure
Picture and sound accompaniment；And the data of back transmission number pipe high-speed data multiplexer multiple connection, 2 road high quality speech, 2 road high quality graphics
And sound accompaniment, delay data and payload data.
In the present embodiment, relaying Ka channel forward-going data rates are 3.2Mbps, the maximum of back transmission data
Rate is 144Mbps, while can adapt to the data transmission of low, medium and high three kinds of rates.
In the present embodiment, it is carried by R-S (255,223) codings, the method to interweave in high-speed communication processor
Transmission performance of the senior middle school after Ka channels.High-speed communication processor virtual channel schedule process uses static priority and poll plan
Slightly, i.e., priority being divided according to importance, scheduler module queue high to priority first is inquired, and for same preferential
Poll rule query is then pressed in the queue of grade.High-speed communication processor is also equipped with preferential by data injection mode change input channel
The ability of grade, the needs of special duty during meeting in orbit.
A kind of embodiment according to the present invention, the data information system based on 1553B buses, which uses, meets AOS standards
Number pipe telemetry protocol.Counting the data structure that pipe telemetry protocol uses includes：Wrap EPDU, multichannel protocol Data Unit MPDU, position in source
Stream protocol data cell BPDU, virtual channel data unit member VCDU and Channel Access Data Unit unit CADU.
In the present embodiment, packet EPDU in source is the different type telemetry generated to each subsystem of spacelab
It is formed by packaging protocol data unit by certain format.Each terminal telemetry that number pipe CTU will be acquired by 1553B buses
Classifying packing is carried out according to terminal address and terminal subaddressing.One bus termination is corresponding with one or more source packet EPDU, source
The content of packet EPDU is decided in its sole discretion by each subsystem, and number pipe CTU is responsible for acquire the source data come according to the sources standard CC SDS packet lattice
Formula is packed, and includes the secondary top guide of the leading head and 6 bytes plus 6 bytes.For some parameters of several pipe softwares itself,
It is packaged respectively according to different classes of.The data structure that EPDU is wrapped in source is as shown in Figure 4.
In the present embodiment, multichannel protocol Data Unit MPDU is that multiple sources are wrapped using the data format of the following table 1
EPDU data are combined, so that multiple sources packet EPDU shares a pseudo channel transmission.
Multichannel protocol Data Unit MPDU is made of multichannel protocol Data Unit top guide and multichannel protocol Data Unit packet domain.
Including multichannel protocol Data Unit top guide and multichannel protocol Data Unit packet domain.In the present embodiment, multichannel protocol data
The data format of unit MPDU such as the following table 1：
Table 1
In the present embodiment, the first top guide pointer in multichannel protocol Data Unit top guide is pointing directly at first source packet
The initial position of EPDU, the mark of packet length in EPDU is wrapped according to source can distinguish each independent source packet EPDU.If
Multichannel protocol Data Unit packet domain first character section is exactly first byte in the packet header Yuan Bao, then first top guide pointer is 0.
If not including the packet header Yuan Bao in multichannel protocol Data Unit, first top guide pointer field is set as complete 1, i.e.,
“11111111111”。
If not including any effective user data in multichannel protocol Data Unit, that is, include only filling bag, that
First top guide pointer field is set as " 11111111110 ".
If the top guide of a source packet EPDU is in two multichannel protocol Data Units, (EPDU is wrapped in divided source
Divide in multichannel protocol Data Unit (x) and multichannel protocol Data Unit (x+1)), if source packet EPDU is multichannel agreement number
EPDU is wrapped according to first source of unit (x), then the first top guide pointer field of multichannel protocol Data Unit (x) is directed toward this source packet
EPDU first address.EPDU is wrapped if not first source of multichannel protocol Data Unit (x), then multichannel protocol Data Unit (x
+ 1) first top guide pointer is directed toward the packet header the latter Yuan Bao of the source of being divided packet EPDU.
In the present embodiment, bit stream protocol Data Unit BPDU, is made of top guide and data field.For by indeterminate boundary
Serial code bit string be divided into several short data blocks, be put into pseudo channel cell data area.
In the present embodiment, in spacelab application, virtual channel data unit member VCDU formats are by leading head, number
It is constituted according to domain and tailer sequence.The data field of virtual channel data unit member VCDU is multichannel protocol Data Unit MPDU and bit stream agreement
Data cell BPDU.
In the present embodiment, virtual channel data unit member VCDU length be 882 bytes, data format altogether there are two types of：
The target manned space flight that the VCDU and mass storage of high-speed data multiplexer output are exported by 20M interfaces
Device platform delayed telemetry and airship delayed telemetry VCDU, data format such as the following table 2：
Table 2
The occupant 1M data and load data VCDU, data format that mass storage is exported by 20M interfaces are as follows
Table 3：
Table 3
A kind of spacelab embodiment according to the present invention, for the data information system based on 1553B buses into
Line number pipe telemetering virtual channel allocation designs.In the present embodiment, high-speed data multiplexer and mass storage are as number
According to center, it is respectively completed multiple connection and store tasks.In observing and controlling area, high-speed data multiplexer receives spacecraft and is handed over spacecraft
Airship real-time telemetry data, 32K voice datas and the mass storage that can be docked are not by the delayed telemetry data of pumping frame
The data of same type distribute 6 pseudo channels, are scheduled according to the priority of setting, make multiple void using Dynamic Scheduling Strategy
Quasi- channel timesharing occupies a physical channel, passes through the channels 768Kbps and the channels 2Mbps downlink.Outside observing and controlling area, large capacity is deposited
The high-speed test (HST) data of reservoir multiple connection delayed telemetry data and burst carry out partitioned storage, and realize the side put when writing
Formula enters behind observing and controlling area by being passed under 20Mbps accesses.
The wherein virtual channel allocation of high-speed data multiplexer such as following table 4, the virtual channel allocation of mass storage
Such as following table 5：
Table 4
Table 5
A kind of embodiment according to the present invention carries out high-speed data biography for the high speed data transmission system based on AOS
Defeated virtual channel allocation design.In the present embodiment, high-speed communication processor is responsible for as high speed data transmission system core
The collection of spacecraft high speed back data neutralizes the distribution of forward data, supports platform telemetry data, image, voice data, two-way
Payload real time data, mass storage data, totally 7 circuit-switched data backs transmit interconnection network data.Effectively to ensure height
The reliable quick transmission of priority data ensures the validity of spacecraft telemetry and world face-to-face communication, high-speed communication
Processor uses virtual signal scheduling strategy, virtual channel schedule process to be combined using static priority and polling dispatching strategy
Scheduling method.
High-speed communication processor receives the forward data of relaying Ka channels, data type, virtual channel allocation such as the following table 6：
| Wire data type | Pseudo channel | Rate | |
| Telecommand data | VC1 | ≤2Kbit/s | |
| Data are injected | VC2 | ≤2Mbit/s | |
| Image and sound accompaniment | VC3 | 768Kbit/s | |
| Speech | VC4 | 192K bit/s | |
| Special speech | VC5 | 192K bit/s | |
| Idle frame | VC6 |
Table 6
As shown in Table 6,6 virtual letters are distributed when high-speed communication processor receives the forward data of relaying Ka channels
Road.
Data type, virtual channel allocation, priority such as the following table 7 of high-speed communication processor back data：
Table 7
As shown in Table 7,8 virtual letters are distributed when high-speed communication processor receives the back data of relaying Ka channels
Road.
Above-mentioned setting according to the present invention, advantage are the following aspects：
1) manned spacecraft (such as tiangong-1) information system first Application China manned spacecraft CCSDS recommends
Advanced Orbiting Systems (AOS) realize that manned spacecraft platform data, load data share bandwidth, unified management, bandwidth profit for the first time
With rate close to 100%.
2) by using the data system of Advanced Orbiting Systems in manned spacecraft information system, data source is solved
With external interface huge number, process demand is complicated, and the big problem of data throughout realizes platform telemetry data, image, words
Sound data, the 7 class data such as two-way payload real time data, mass storage data, interconnection network data reliably input, efficiently
Transmission, and ensure the requirement of the time delay of image, voice data.
3) by using virtual signal transmission strategy and dynamic dispatching control strategy, meet manned spacecraft in entire task
All users in period ensure that each input channel can share output bandwidth to data transfer demands, improve channel profit
With rate, forward data rate 3.2Mbps is realized, the transmitted in both directions of back maximum data rate 144Mbps can adapt to simultaneously
The data transmission of basic, normal, high three kinds of rates, the needs of special duty during meeting in orbit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of spacelab information system based on advanced onboard processing method, which is characterized in that including：
Based on the data information system of 1553B buses, telemetering, instruction and communication function are realized；
High speed data transmission system based on AOS realizes the transmission of high-speed data.
2. the spacelab information system according to claim 1 based on advanced onboard processing method, feature
It is, described information system realizes the scheduling controlling of data using AOS data system and pseudo channel.
3. the spacelab information system according to claim 2 based on advanced onboard processing method, feature
It is, the data information system based on 1553B buses includes：Central processing unit, RTU, mass storage and high speed
Data multiplexing device, data converter；
Mass storage is for storing telemetry, delayed telemetry data, test data and medical data；
High-speed data multiplexer for multiple connection receive the real-time telemetry data of CTU, the delayed telemetry data of mass storage and
Voice data distributes corresponding pseudo channel for different types of data, is scheduled according to the priority of setting.
4. the spacelab information system according to claim 2 based on advanced onboard processing method, feature
It is, the high speed data transmission system based on AOS includes：
Link terminal equipment, including：Relay comprehensive unit, Ka transmitting-receiving subassemblies and relay antenna；
High-speed communication processor completes back platform telemetry data, in-orbit test data, occupant's telemetry, image data, words
The tidal data recovering of sound data, mass storage delay data, by formatting and the scheduling of transmission frame, channel coding, synchronous
Deng processing, forms uniform data and stream the link terminal equipment transmission；And it is received from the link terminal equipment preceding to number
According to, including telecommand, data are injected, speech and image are sent after communication process and branch by respective output interface
Go out.
5. the spacelab information system according to claim 4 based on advanced onboard processing method, feature
It is, the Ka transmitting-receiving subassemblies include：
Ka channels are relayed, the transmitted in both directions of high-speed data is completed；
The transmitted in both directions of the high-speed data includes：Fl transmission telecommand, injection data and 2 tunnel high-speed speeches, 1 tunnel
High-speed image and sound accompaniment；And
Data, 2 road high quality speech, 2 road high quality graphics and the sound accompaniment of back transmission number pipe high-speed data multiplexer multiple connection are prolonged
When data and payload data.
6. the spacelab information system according to claim 5 based on advanced onboard processing method, feature
It is, the relaying Ka channel forward-going data rates are 3.2Mbps, and the maximum rate of back transmission data is 144Mbps；
In the high speed data transmission system based on AOS, the high-speed communication processor receives the relaying Ka channels
6 pseudo channels are distributed when forward data；
The high-speed communication processor distributes 8 pseudo channels when receiving the back data of the relaying Ka channels.
7. the spacelab information system according to claim 3 based on advanced onboard processing method, feature
It is, the data information system based on 1553B buses is using the number pipe telemetry protocol for meeting AOS standards；
The data structure that several pipe telemetry protocols use includes：
EPDU is wrapped in source, and packaging protocol data unit is formed by by certain format to different type telemetry；
Multichannel protocol Data Unit MPDU is combined multiple source bag datas by certain format, so that multiple sources packet shares
One pseudo channel transmission；
Bit stream protocol Data Unit BPDU, is made of top guide and data field；
Virtual channel data unit member VCDU is made of leading head, data field and tailer sequence；
Channel Access Data Unit unit CADU, is made of virtual channel data unit member VCDU and synchronous code.
8. the spacelab information system according to claim 7 based on advanced onboard processing method, feature
It is, the multichannel protocol Data Unit MPDU is by multichannel protocol Data Unit top guide and multichannel protocol Data Unit packet domain structure
At；
First top guide pointer in the multichannel protocol Data Unit top guide is pointing directly at the start bit of first source packet EPDU
It sets；
Multichannel protocol Data Unit packet domain first character section is the first byte that the packet header EPDU is wrapped in the source.
9. the spacelab information system according to claim 7 based on advanced onboard processing method, feature
It is, the data field of the virtual channel data unit member VCDU is the multichannel protocol Data Unit MPDU and the bit stream agreement
Data cell BPDU；
The length of the virtual channel data unit member VCDU is 882 bytes；
The data format of the virtual channel data unit member VCDU includes：
The VCDU and the mass storage of the high-speed data multiplexer output are prolonged by the spacecraft that 20M interfaces export
When telemetering and airship delayed telemetry VCDU；
The crew subsystem 1M data and load data VCDU that the mass storage is exported by 20M interfaces.
10. the spacelab information system according to claim 3 based on advanced onboard processing method, feature
It is, described based in the data information system of 1553B buses, in observing and controlling area, the high-speed data multiplexer receives boat
Its device and airship real-time telemetry data, 32K voice datas and mass storage are different by the delayed telemetry data of pumping frame
The data of type distribute pseudo channel, are scheduled according to the priority of setting, make the virtual letter using Dynamic Scheduling Strategy
Road timesharing occupies a physical channel, passes through the channels 768Kbps and the channels 2Mbps downlink；
Outside observing and controlling area, the high-speed test (HST) data of the mass storage multiple connection delayed telemetry data and burst carry out subregion
Storage, and realizes the mode put when writing, and enters behind observing and controlling area by being passed under 20Mbps accesses, the mass storage point
With 6 pseudo channels.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872411A (en) * | 2019-02-26 | 2019-06-11 | 北京控制工程研究所 | A kind of asynchronous flight control data processing method of the multi-source unified based on timing |
| CN110391840A (en) * | 2019-09-17 | 2019-10-29 | 中国人民解放军国防科技大学 | Method and system for judging abnormality of telemetry parameters of sun synchronous orbit satellite |
| CN110535561A (en) * | 2019-08-15 | 2019-12-03 | 北京空间飞行器总体设计部 | A kind of spacecraft telemetry data transmission implementation method based on doubly linked list |
| CN111025995A (en) * | 2019-12-26 | 2020-04-17 | 北京空间技术研制试验中心 | Space manipulator teleoperation communication system based on space-based relay communication |
| CN113177009A (en) * | 2021-05-24 | 2021-07-27 | 上海航天计算机技术研究所 | Multi-interface multiplexing method and system for deep space probe |
| CN115801100A (en) * | 2022-11-07 | 2023-03-14 | 银河航天(北京)通信技术有限公司 | Method, device and storage medium for remote control-based channel number-to-telemetry scheduling |
| CN115801101A (en) * | 2022-11-07 | 2023-03-14 | 银河航天(北京)通信技术有限公司 | Telemetering scheduling method, device and storage medium based on virtual channel time slot |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176549A (en) * | 1996-09-12 | 1998-03-18 | 中国科学院空间科学与应用研究中心 | High-speed multiplexer and its implementation |
| CN101729088A (en) * | 2009-11-30 | 2010-06-09 | 西安空间无线电技术研究所 | Data transmission method based on AOS encoding |
| CN102158392A (en) * | 2010-12-13 | 2011-08-17 | 中国空间技术研究院 | Method for telemetering of advanced orbiting system (AOS) of distributed framework satellite |
| CN102710317A (en) * | 2012-04-27 | 2012-10-03 | 北京空间飞行器总体设计部 | Dynamic remote measuring organization and control method based on advanced orbiting system |
| CN102801626A (en) * | 2012-08-17 | 2012-11-28 | 北京空间飞行器总体设计部 | Satellite-borne data management method and device based on AOS standard |
| CN102904834A (en) * | 2012-09-10 | 2013-01-30 | 中国航天科技集团公司第五研究院第五一三研究所 | Satellite-bone data processing system based on advanced orbiting system (AOS) |
| CN102932049A (en) * | 2012-10-24 | 2013-02-13 | 北京空间飞行器总体设计部 | Information transmission method of spacecraft |
| CN102904651B (en) * | 2012-09-29 | 2014-10-08 | 北京空间飞行器总体设计部 | Satellite integration telemetering system compatible with advanced orbiting system (AOS) and pulse code modulation (PCM) |
| CN104301024A (en) * | 2014-09-12 | 2015-01-21 | 上海卫星工程研究所 | Satellite-borne multi-load data frame transmission system |
| CN106131034A (en) * | 2016-07-19 | 2016-11-16 | 中国人民解放军63920部队 | A kind of method and apparatus resolving packaged data protocol element |
| CN106502934A (en) * | 2016-11-09 | 2017-03-15 | 上海微小卫星工程中心 | The spaceborne data management system of high-speed integratedization |
| US20170099606A1 (en) * | 2015-10-06 | 2017-04-06 | The Boeing Company | Method and apparatus for telemetry system data rate optimization |
| CN107302262A (en) * | 2017-05-05 | 2017-10-27 | 上海空间电源研究所 | The space in-orbit information network-building method of high-power power-supply system |
-
2018
- 2018-02-13 CN CN201810149868.6A patent/CN108400811B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176549A (en) * | 1996-09-12 | 1998-03-18 | 中国科学院空间科学与应用研究中心 | High-speed multiplexer and its implementation |
| CN101729088A (en) * | 2009-11-30 | 2010-06-09 | 西安空间无线电技术研究所 | Data transmission method based on AOS encoding |
| CN102158392A (en) * | 2010-12-13 | 2011-08-17 | 中国空间技术研究院 | Method for telemetering of advanced orbiting system (AOS) of distributed framework satellite |
| CN102710317A (en) * | 2012-04-27 | 2012-10-03 | 北京空间飞行器总体设计部 | Dynamic remote measuring organization and control method based on advanced orbiting system |
| CN102801626A (en) * | 2012-08-17 | 2012-11-28 | 北京空间飞行器总体设计部 | Satellite-borne data management method and device based on AOS standard |
| CN102904834A (en) * | 2012-09-10 | 2013-01-30 | 中国航天科技集团公司第五研究院第五一三研究所 | Satellite-bone data processing system based on advanced orbiting system (AOS) |
| CN102904651B (en) * | 2012-09-29 | 2014-10-08 | 北京空间飞行器总体设计部 | Satellite integration telemetering system compatible with advanced orbiting system (AOS) and pulse code modulation (PCM) |
| CN102932049A (en) * | 2012-10-24 | 2013-02-13 | 北京空间飞行器总体设计部 | Information transmission method of spacecraft |
| CN104301024A (en) * | 2014-09-12 | 2015-01-21 | 上海卫星工程研究所 | Satellite-borne multi-load data frame transmission system |
| US20170099606A1 (en) * | 2015-10-06 | 2017-04-06 | The Boeing Company | Method and apparatus for telemetry system data rate optimization |
| CN106131034A (en) * | 2016-07-19 | 2016-11-16 | 中国人民解放军63920部队 | A kind of method and apparatus resolving packaged data protocol element |
| CN106502934A (en) * | 2016-11-09 | 2017-03-15 | 上海微小卫星工程中心 | The spaceborne data management system of high-speed integratedization |
| CN107302262A (en) * | 2017-05-05 | 2017-10-27 | 上海空间电源研究所 | The space in-orbit information network-building method of high-power power-supply system |
Non-Patent Citations (3)
| Title |
|---|
| 孙辉先，等: "CCSDS高级在轨系统及在我国航天器中的应用", 《航天器工程》 * |
| 张勇: "空间站AOS方案研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 陈小敏，孙辉先: "嫦娥一号卫星有效载荷数据管理系统", 《中国空间科学学会空间探测专业委员会第十八次学术会议论文集》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872411A (en) * | 2019-02-26 | 2019-06-11 | 北京控制工程研究所 | A kind of asynchronous flight control data processing method of the multi-source unified based on timing |
| CN109872411B (en) * | 2019-02-26 | 2021-07-13 | 北京控制工程研究所 | Multisource asynchronous flight control data processing method based on time sequence unification |
| CN110535561A (en) * | 2019-08-15 | 2019-12-03 | 北京空间飞行器总体设计部 | A kind of spacecraft telemetry data transmission implementation method based on doubly linked list |
| CN110535561B (en) * | 2019-08-15 | 2022-04-12 | 北京空间飞行器总体设计部 | Spacecraft telemetry data transmission implementation method based on two-way linked list |
| CN110391840A (en) * | 2019-09-17 | 2019-10-29 | 中国人民解放军国防科技大学 | Method and system for judging abnormality of telemetry parameters of sun synchronous orbit satellite |
| CN110391840B (en) * | 2019-09-17 | 2019-12-17 | 中国人民解放军国防科技大学 | Method and system for judging abnormality of telemetry parameters of sun synchronous orbit satellite |
| CN111025995A (en) * | 2019-12-26 | 2020-04-17 | 北京空间技术研制试验中心 | Space manipulator teleoperation communication system based on space-based relay communication |
| CN113177009A (en) * | 2021-05-24 | 2021-07-27 | 上海航天计算机技术研究所 | Multi-interface multiplexing method and system for deep space probe |
| CN115801100A (en) * | 2022-11-07 | 2023-03-14 | 银河航天(北京)通信技术有限公司 | Method, device and storage medium for remote control-based channel number-to-telemetry scheduling |
| CN115801101A (en) * | 2022-11-07 | 2023-03-14 | 银河航天(北京)通信技术有限公司 | Telemetering scheduling method, device and storage medium based on virtual channel time slot |
| CN115801101B (en) * | 2022-11-07 | 2023-06-20 | 银河航天(北京)通信技术有限公司 | Telemetry scheduling method, device and storage medium based on virtual channel time slot |
| CN115801100B (en) * | 2022-11-07 | 2023-07-28 | 银河航天(北京)通信技术有限公司 | Remote control-based method for remotely measuring and scheduling channel number apparatus and storage medium |
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