CN107634794A - A kind of multimode multiple connection storage device for spacecraft - Google Patents
A kind of multimode multiple connection storage device for spacecraft Download PDFInfo
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- CN107634794A CN107634794A CN201711087912.7A CN201711087912A CN107634794A CN 107634794 A CN107634794 A CN 107634794A CN 201711087912 A CN201711087912 A CN 201711087912A CN 107634794 A CN107634794 A CN 107634794A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a kind of multimode multiple connection storage device, and applied to the spaceborne airborne observing and controlling data transmission equipment of satellite unmanned plane, multiple connection storage device includes：Data resource interface circuit, for receiving outside input multichannel data；Processor circuit, for being managed to the pattern of multiple connection storage device；Field programmable gate array, for carrying out multiple connection storage framing and encoded formatting processing to outer input data；Memory circuitry, for storing the data for receiving and handling through field programmable gate array and reading playback multimode multiple connection storage device record support pattern real-time mode playback mode and mixed mode for field programmable gate array, support the storage real time down to outside multichannel data, data storage is played back by area by address or temporally, realize that Aero-Space data processing and transmission system function are highly integrated, reduce power consumption and cost, support multiple-working mode, improve Various types of data and transmit efficiency over the ground, there is high scientific research value.
Description
Technical field
The invention belongs to telemetry communication field, and in particular to a kind of multimode multiple connection storage device, can be applied to satellite nobody
The spaceborne airborne observing and controlling data transmission equipment such as machine
Background technology
With the development of electronic communication and aerospace science technology, the various Aero-Space tasks pair of the thing followed
The processing and transmission of data propose higher requirement in addition to traditional telemetry, voice data High-speed Video Data section
The transmission for learning experimental data etc. is required how the limited physical message resource of utilization meets increasingly in increasing system
Increase the transmission demand under the Aero-Space data source of change, and can neatly support multiple-working mode, realize all kinds of boats
Empty aerospace data efficiently transmits over the ground, is to need to solve the problems, such as in real work
Aero-Space flight is the task of a high cost, and the wherein bulking value of aircraft and power consumption is to determine cost
Key factor and traditional Aero-Space data processing and Transmission system need multiple standalone modules/unit to complete the receptions of data
The tasks such as storage coding, modules/unit is each independent, can not effectively realize the flexible dispatching of multiple-working mode, and
Logic function is realized using discrete electronic device more, integrated level is low, causes the bulking value of system and power consumption larger, undoubtedly
Need to spend very big cost
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of multimode multiple connection storage device to utilize this hair
It is bright, system bulk power consumption and cost are reduced, while multiple-working mode is supported, improve various achievable Aero-Space data processings
Efficiency is transmitted over the ground with the highly integrated class Aero-Space data of transmission system function, and the purpose of the present invention is by following technical side
What case was realized：
A kind of multimode multiple connection storage device for spacecraft, including：
Data resource interface circuit 1, for receiving outside input multichannel data；
Processor circuit 2, for being managed to the pattern of the multiple connection storage device；
Field programmable gate array 3, for carrying out multiple connection storage framing and encoded formatting processing to outer input data；
Memory circuitry 4, received for storing through the field programmable gate array with the data of processing and for described existing
Field programmable gate array reads playback
Preferably, the data resource interface circuit is adapted with external data source interface type, and data are sent to after adaptation
The field programmable gate array
Preferably, the processor circuit is connected and communicated with the field programmable gate array, can be compiled to the scene
Journey gate array sends instruction and data, controls the mode of operation and storage state of the multiple connection storage device, and read described existing
The status register of field programmable gate array monitors the working condition of the multiple connection storage device
According to another aspect of the present invention, there is provided a kind of multimode multiple connection storage device, the field-programmable gate array
Row include following module：
Processor interface module 31, for receiving the instruction of the processor circuit with data and being converted to instruction is received
Corresponding pumping signal, is placed in corresponding states register by the state value of the multimode multiple connection storage device and supplies the processor circuit
Read；
First cache module 32, for cache the multichannel data from the data resource interface circuit, for real-time mode with
Read under mixed mode and be sent into the progress multiple connection framing processing of multiple connection framing module；
Second cache module 33, for caching the multichannel data from the data resource interface circuit, mould is controlled for storage
Block reads and is recorded in the memory circuitry；
3rd cache module 34, the number from memory circuitry record read for buffer memory control module
According to for reading feeding multiple connection framing module progress multiple connection framing processing under playback mode and mixed mode；
Storage control module 35, for controlling the read-write and erasing data manipulation of the memory circuitry；
Multiple connection framing module 36, for being read according to buffer data size size and data source priority from the first caching mould
The data cached in block and the 3rd cache module, according to frame format requirement to reading data framing, when buffer data size is unsatisfactory for
Group idle frame during one frame bar part of group；And
Channel coding module 37, for carrying out channel coding to data after framing
Preferably, in addition to memory circuitry module 38, the memory circuitry module are at least based on NAND FLASH cores
Piece, the NAND FLASH chips according to amount of storage size requirement and the requirement of data storage writing rate can configure 1 or multi-disc
Preferably, in addition to：
One or more satellites or unmanned plane：It is used for the transmission of various Aero-Space data；
One or more such as multimode multiple connection storage devices：It is used to improving Aero-Space data transmits efficiency over the ground；
One or more the reception servers：It is used for receive the Aero-Space data from storage device, wherein, one or
Multiple satellites or unmanned plane assemble the multimode multiple connection storage device, and the multimode multiple connection storage device passes through radio-frequency channel and day
Data are radioed to the reception server by line
The present invention solve conventional aerospace aeronautical data processing it is single with Transmission system integrated level low mode, bulking value with
The problem of power consumption is big, using the present invention, achievable aircraft data processing is highly integrated with Transmission system, is integrated on veneer
The functions such as the order caching data framing multiplexing data storage playback of multichannel data source and channel coding, and record support pattern is real
When the multiple-working mode such as mode playback pattern and mixed mode, improve all kinds of Aero-Space data and transmit efficiency over the ground, have
High scientific research value
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature mesh of the invention
And advantage will become more apparent upon：
Fig. 1 shows the embodiment of the present invention, a kind of multimode multiple connection storage device for spacecraft it is more
Mould multiple devices composition frame chart；
Fig. 2 shows the first embodiment of the present invention, scene in a kind of multimode multiple connection storage device for spacecraft
The module principle figure of programmable gate array；And
Fig. 3 shows the second embodiment of the present invention, a kind of transmission of multimode multiple connection storage device for spacecraft
Topological diagram
Embodiment
In order to preferably make technical scheme clearly show, the present invention is made below in conjunction with the accompanying drawings into one
Walk explanation
Fig. 1 shows the embodiment of the present invention, a kind of multimode multiple connection storage device for spacecraft it is more
Mould multiple devices composition frame chart, including：
It will be appreciated by those skilled in the art that the multimode multiple connection storage device includes data resource interface circuit, it is outer for receiving
Portion inputs multichannel data, the specific system applied according to multiple connection storage device, number and the interface type of external data source
The conventional low-speed interface that is not quite similar includes TTL RS232 RS422 etc., and high-speed interface includes LVDS TLK2711 etc., the number
It is adapted therewith with circuit using corresponding interface chip according to data resource interface type according to source interface circuit, interface circuit output
The signal that the I/O port of field programmable gate array can identify enters field programmable gate array and carries out subsequent treatment, the data
Source interface circuit is adapted with external data source interface type, and data are sent into the field programmable gate array after adaptation
Further, the multimode multiple connection storage device also includes processor circuit, for the multiple connection storage device
Pattern be managed, the processor circuit is typically made up of processor and storage chip outside piece etc., at present, conventional processing
Device has ARM DSP single-chip microcomputers etc., can select corresponding processor according to the requirement to disposal ability, the function of processor is main
Including：1 host computer communicates, and receives instruction and the data of host computer, the quantity of state of the multiple connection storage device is fed back to upper
Machine；2 storage managements, manage the mode of operation of the multiple connection storage device, can be achieved real-time mode playback mode logging mode with
Mixed mode, support partition holding function；3 field programmable gate array interfaces, field programmable gate array is read and write, obtain shape
State telemetry intelligence (TELINT), instruction is sent, the processor circuit interconnects with the field programmable gate array, to the field-programmable
Gate array sends instruction and the mode of operation and storage state of the multiple connection storage device is controlled with data, and read the scene can
The status register for programming gate array monitors the working condition of the multiple connection storage device
Further, the multimode multiple connection storage device also includes field programmable gate array, for outside input number
According to multiple connection storage framing and encoded formatting processing is carried out, according to the hardware resource of field programmable gate array functional module consumption
The factor such as chores clock frequency and application environment, the field programmable gate array can select the scene of current main flow can
The chip of gate array manufacturer is programmed, such as the field programmable gate array core of Xilinx Altera and Microsemi companies
Piece, according to the type from field programmable gate array chip, it is necessary to be equipped with corresponding field programmable gate array configuration circuit
And choose the program load mode for meeting working environment
Further, the multimode multiple connection storage device also includes memory circuitry, can be compiled through the scene for storing
Journey gate array receive with processing data simultaneously for the field programmable gate array read play back, according to amount of storage size requirement with
The requirement of data storage writing rate can configure 1 or multi-disc NAND FLASH chips, due to that can not be kept away in NAND FLASH chips
Bad block be present with exempting from, it is therefore desirable to the bad block message of a piece of storage chip storage NAND FLASH chips, can be compiled for the scene
Storage control module described in journey gate array carries out interpretation identification, when the storage control module is performed when operation is wiped in read-write from bad
When current block is detected in block storage chip is bad block, then jumps to next good block and perform operation, MRAM NOR can be selected
The conventional storage medium such as FLASH EEPROM is as bad block storage chip
Fig. 2 shows the first embodiment of the present invention, scene in a kind of multimode multiple connection storage device for spacecraft
The module principle figure of programmable gate array, it will be appreciated by those skilled in the art that the invention provides a kind of multimode multiple connection storage device,
The field programmable gate array includes following module：
Processor interface module 31, for receiving the instruction of the processor circuit with data and being converted to instruction is received
Corresponding pumping signal, is placed in corresponding states register by the state value of the multimode multiple connection storage device and supplies the processor circuit
Read, playback is opened when processor circuit is set register corresponding to playback mode in field programmable gate array by bus
The numerical value of pattern, and the initial address of playback is inserted into corresponding register, now, field programmable gate array with end address
The value of middle playback status registers is changed into 1 from 0, and signal wire level is changed into high level corresponding to playback mode, in the signal wire
Under driving, the reading NAND FLASH function ons work of the memory control module, by processor described in NAND FLASH
The initial address that circuit is inserted is to the data read-out between end address, after digital independent, by field programmable gate array
The value of middle playback status registers is set to 0 (representing that playback terminates), after the processor circuit reads the state, confirms this
Playback mode is finished
Further, the field programmable gate array also includes the first cache module 32, and the number is come from for caching
According to the multichannel data of source interface circuit, multiple connection framing module progress multiple connection framing is sent into for being read under real-time mode and mixed mode
Handle, buffer quantity is consistent with data source number in first cache module, under real-time mode, from external data source
Data enter its corresponding buffer, it is described when the data volume that is cached in buffer meets the condition of one frame of composition
Multiple connection framing module is by data read-out in the buffer (data volume for once reading a frame), if the number cached in multiple buffers
When meeting to form the condition of a frame simultaneously according to amount, then data in the buffer according to corresponding to being successively read priority, in order to prevent
Buffer overflows, and buffer needs to have certain depth and reading rate must be more than writing rate
Further, the field programmable gate array also includes the second cache module 33, and the number is come from for caching
According to the multichannel data of source interface circuit, read for storage control module and be recorded in the memory circuitry, second caching
Buffer quantity is consistent with data source number in module, and the data from external data source enter its corresponding buffer,
When the data volume cached in buffer meets the condition of NAND FLASH one page sizes, the memory control module delays this
Data read-out in storage (data volume for once reading one page), if the data volume that is cached in multiple buffers while meeting NAND
During the condition of FLASH page of data amounts, then data in the buffer according to corresponding to being successively read priority, in order to prevent buffer
Overflow, buffer needs to have certain depth and reading rate must be more than writing rate
Further, the field programmable gate array also includes the 3rd cache module 34, and mould is controlled for buffer memory
The data from memory circuitry record that block is read, multiple connection framing mould is sent into for being read under playback mode and mixed mode
Block carries out multiple connection framing processing, and the 3rd cache module includes one piece of buffer, in the playback mode, from NAND FLASH
Data enter the buffer, when the data volume that is cached in buffer meets the condition of one frame of composition, the multiple connection group
Frame module is by data read-out in the buffer (data volume for once reading a frame), and in order to prevent buffer from overflowing, buffer needs
Possess certain depth and reading rate must be more than writing rate
Further, the field programmable gate array also includes storage control module 35, for controlling the memory
The read-write and erasing data manipulation of circuit, when the processor circuit open record pattern, the memory control module is entered
Enter to write NAND FLASH states, read the second cache module data and write data into NAND FLASH；When the processing
When device circuit opens playback mode, the memory control module reads NAND since initial address in units of page
FLASH data simultaneously write data into the 3rd cache module, until reading end address；When the processor circuit is opened
When NAND FLASH wipe data, the memory control module wipes NAND FLASH since initial address in units of block
Data, until being erased to end address, in order to improve the reliability of data storage, the storage control module can write in data
Error Correction of Coding is carried out to data before NAND FLASH, optional coded system there are BCH code RS code parity check codes etc., and is depositing
Error-correcting decoding is carried out to data after storing up data read-out NAND FLASH
Further, the field programmable gate array also includes multiple connection framing module 36, for according to buffer data size
Size reads the data cached in the first cache module and the 3rd cache module with data source priority, will according to frame format
Ask to reading data framing, the group idle frame when buffer data size is unsatisfactory for one frame bar part of group, to ensure the continuity of data,
Under real-time mode, the multiple connection framing module only reads the data of first cache module；In the playback mode, the multiple connection
Framing module only reads the data of the 3rd cache module；In a hybrid mode, institute had both can be read in the multiple connection framing module
The data of the first cache module are stated, the data of the 3rd cache module also can be read
Further, the field programmable gate array also includes channel coding module 37, for entering to data after framing
Row channel coding, coded system can choose convolutional encoding LDPC code concatenated code according to the constraint such as link requirements and implementation complexity
Etc. common channels coded system
Further, in addition to memory circuitry 38, the memory circuitry are at least based on NAND FLASH chips, according to
Amount of storage size requirement can configure NAND FLASH chips described in 1 or multi-disc with the requirement of data storage writing rate, due to
Bad block is inevitably present in NAND FLASH chips, it is therefore desirable to which a piece of storage chip stores the bad of NAND FLASH chips
Block message, interpretation identification is carried out for storage control module described in the field programmable gate array, when the storage control mould
When block performs that current block is detected from bad block storage chip be bad block when operation is wiped in read-write, then next good block execution is jumped to
Operation, the conventional storage mediums such as MRAM NOR FLASH EEPROM can be selected as bad block storage chip
It will be appreciated by those skilled in the art that the realization of the function of each module can be hardware by the software of computing device or
Combination specifically, can be by advance burning program into the processor if realized by software module, or incites somebody to action
Software installation is into preset system；, will be corresponding using field programmable gate array (FPGA) if realized by hardware
Function immobilization realize
Further, it is hard can be stored in RAM memory Flash ROM memory eprom memory for the software module
The storage medium of disk or any other form known in the art by the storage medium by being coupled to processor, so that institute
Information can be read from the storage medium by stating processor, and information can be write to the storage medium and is become as a kind of
Change, the storage medium can be the part of processor, or the processor and the storage medium be respectively positioned on it is special
On integrated circuit (ASIC)
Further, the hardware can be that by the general processor digital signal processor of concrete function
(DSP) application specific integrated circuit (ASIC) field programmable gate array (FPGA) or other PLD discrete gates or crystalline substance
The combination of body pipe logical device discrete hardware components or more these hardware changes as a kind of, can also pass through computing device
Combination realize, for example, the combination of the combination multi-microprocessor of DSP and microprocessor communicated with DSP combination one or it is more
Combination of individual microprocessor etc.
Fig. 3 shows the second embodiment of the present invention, a kind of transmission of multimode multiple connection storage device for spacecraft
Topological diagram, including：
It will be appreciated by those skilled in the art that as shown in figure 3, it is described transmission topological diagram in, including one or more satellites or
Unmanned plane：It is used for the transmission of various Aero-Space data, and one or more of satellites or unmanned plane are by telemetry audio
A variety of data such as digital video data high speed scientific experimental data are collected and transmitted to multimode multiple connection storage device
Further, transmission topological diagram also includes one or more of multimode multiple connection storage devices, the multimode multiple connection
The specific module connection of storage device and embodiment may be referred to the preferred embodiment that Fig. 1 is shown into Fig. 2, institute
State multimode multiple connection storage device and transmit efficiency, one or more satellites or unmanned plane transmission over the ground for improving Aero-Space data
Data received and sent to field programmable gate array by data resource interface circuit, field programmable gate array difference
Intercommunication is carried out with processor circuit and holder circuit, and record support pattern real-time mode playback mode and mixed mode etc. are more
Kind mode of operation, then coding is exported
Further, transmission topological diagram also includes one or more the reception servers, and it, which is used to receive, comes from storage device
Aero-Space data, data are wirelessly transmitted to and connect by multimode multiple connection storage device by data encoding by radio-frequency channel and antenna
Server is received, the reception server can carry out a variety of operations according to data are received, such as logging mode real-time mode playback mode
Extracted with the various data under the multiple-working mode such as mixed mode, wherein,8Described in one or more satellite or unmanned plane connections
Multimode multiple connection storage device, the multimode multiple connection storage device connect described receive by radio-frequency channel and antenna wireless and serviced
Device.
Claims (6)
- A kind of 1. multimode multiple connection storage device for spacecraft, it is characterised in that including：Data resource interface circuit (1), for receiving outside input multichannel data；Processor circuit (2), for being managed to the pattern of the multiple connection storage device；Field programmable gate array (3), for carrying out multiple connection storage framing and encoded formatting processing to outer input data；Memory circuitry (4), received for storing through the field programmable gate array with the data of processing and for the scene Programmable gate array reads playback.
- 2. multimode multiple connection storage device according to claim 1, it is characterised in that the data resource interface circuit and outside Data resource interface type is adapted, and data are sent to the field programmable gate array after adaptation.
- 3. multimode multiple connection storage device according to claim 1, it is characterised in that：The processor circuit and the scene Programmable gate array is connected and communicated, and is sent instruction and data to the field programmable gate array, is controlled the multiple connection to store The mode of operation and storage state of device, and the status register for reading the field programmable gate array monitors the multiple connection and deposited The working condition of storage device.
- 4. multimode multiple connection storage device according to claim 1, it is characterised in that the field programmable gate array includes Following module：Processor interface module (31), be converted to pair for receiving the instruction of the processor circuit and data and instruction will be received Pumping signal is answered, the state value of the multimode multiple connection storage device is placed in into corresponding states register reads for the processor circuit Take；First cache module (32), for caching the multichannel data from the data resource interface circuit, for real-time mode with mixing Read under syntype and be sent into the progress multiple connection framing processing of multiple connection framing module；Second cache module (33), for caching the multichannel data from the data resource interface circuit, for storage control module Read and be recorded in the memory circuitry；3rd cache module (34), the data from memory circuitry record read for buffer memory control module, The progress multiple connection framing processing of multiple connection framing module is sent into for being read under playback mode and mixed mode；Storage control module (35), for controlling the read-write and erasing data manipulation of the memory circuitry；Multiple connection framing module (36), the first cache module is come from for being read according to buffer data size size and data source priority With the data cached in the 3rd cache module, required according to frame format to reading data framing, when buffer data size is unsatisfactory for group Group idle frame during one frame bar part；AndChannel coding module (37), for carrying out channel coding to data after framing.
- 5. a kind of multimode multiple connection storage device according to claim 1, in addition to memory circuitry module (38), its feature It is：The memory circuitry module is at least based on NAND FLASH chips, is write according to amount of storage size requirement with data storage Enter rate requirement and can configure NAND FLASH chips described in 1 or multi-disc.
- A kind of 6. multimode multiple connection storage system for spacecraft, it is characterised in that including：One or more satellites or unmanned plane：It is used for the transmission of various Aero-Space data；One or more multimode multiple connection storage devices as described in claim 1 to 5：It is used to improve Aero-Space data over the ground Transmit efficiency；One or more the reception servers：It is used to receive the Aero-Space data from storage device, wherein, it is one or more Satellite or unmanned plane assemble the multimode multiple connection storage device, and the multimode multiple connection storage device will by radio-frequency channel and antenna Data radio to the reception server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087912.7A CN107634794A (en) | 2017-11-07 | 2017-11-07 | A kind of multimode multiple connection storage device for spacecraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087912.7A CN107634794A (en) | 2017-11-07 | 2017-11-07 | A kind of multimode multiple connection storage device for spacecraft |
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| CN107634794A true CN107634794A (en) | 2018-01-26 |
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| CN201711087912.7A Withdrawn CN107634794A (en) | 2017-11-07 | 2017-11-07 | A kind of multimode multiple connection storage device for spacecraft |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418736A (en) * | 2018-02-13 | 2018-08-17 | 北京空间技术研制试验中心 | Support the 1553B bus systems and control method of the in-orbit change of configuration of spacecraft |
| CN111313997A (en) * | 2020-02-11 | 2020-06-19 | 哈尔滨工业大学 | Remote sensing satellite multi-priority non-equilibrium rate load data dynamic multiplexer simulation system |
| CN111639047A (en) * | 2020-05-22 | 2020-09-08 | 中国科学院国家空间科学中心 | Satellite-borne data combining multiplexer testing device and method |
| CN113114331A (en) * | 2021-02-26 | 2021-07-13 | 深圳市万联航通电子科技有限公司 | Method, system, device and medium for merging and transmitting multi-channel serial interfaces |
-
2017
- 2017-11-07 CN CN201711087912.7A patent/CN107634794A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418736A (en) * | 2018-02-13 | 2018-08-17 | 北京空间技术研制试验中心 | Support the 1553B bus systems and control method of the in-orbit change of configuration of spacecraft |
| CN111313997A (en) * | 2020-02-11 | 2020-06-19 | 哈尔滨工业大学 | Remote sensing satellite multi-priority non-equilibrium rate load data dynamic multiplexer simulation system |
| CN111313997B (en) * | 2020-02-11 | 2021-10-19 | 哈尔滨工业大学 | Remote sensing satellite multi-priority non-equilibrium rate load data dynamic multiplexer simulation system |
| CN111639047A (en) * | 2020-05-22 | 2020-09-08 | 中国科学院国家空间科学中心 | Satellite-borne data combining multiplexer testing device and method |
| CN111639047B (en) * | 2020-05-22 | 2022-03-08 | 中国科学院国家空间科学中心 | Satellite-borne data combining multiplexer testing device and method |
| CN113114331A (en) * | 2021-02-26 | 2021-07-13 | 深圳市万联航通电子科技有限公司 | Method, system, device and medium for merging and transmitting multi-channel serial interfaces |
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Application publication date: 20180126 |