CN105245364B - A kind of Satellite Payloads task management system - Google Patents
A kind of Satellite Payloads task management system Download PDFInfo
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- CN105245364B CN105245364B CN201510634237.XA CN201510634237A CN105245364B CN 105245364 B CN105245364 B CN 105245364B CN 201510634237 A CN201510634237 A CN 201510634237A CN 105245364 B CN105245364 B CN 105245364B
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Abstract
The invention discloses a kind of Satellite Payloads task management system, including data management computer, data/address bus, battery, distributor, payload, data storage multiplexer and star ground remote measuring and controlling processing unit；It can realize integrated task management of the satellite for functions such as the power supply and distribution of spaceborne payload, remote measuring and controlling, health controls.
Description
Technical field
The present invention relates to space satellite payload task management field more particularly to a kind of Satellite Payloads task pipes
Reason system.
Background technology
In the prior art, the management of usual Satellite Payloads task is to be by data management subsystem, telemetry communication point
What system, power supply and sub-power distribution system cooperating were completed, data management subsystem realizes Satellite Payloads switching on and shutting down instruction, powers on finger
It enables, management and the control function such as crucial sequential of fault action command；Telemetry communication subsystem realizes Satellite Payloads telemetry, number
Pass the acquisition and transmission of data；Power supply and distribution subsystem realize that the power supply of Satellite Payloads supplies and is converted to relevant voltage
The secondary power distribution voltage of amplitude.With the high speed development of satellite technology, the payload value volume and range of product of Seeds of First Post-flight is increasingly
More, the requirement to Satellite Payloads task management is also different, the Satellite Payloads task implemented by multiple subsystems
Management is unfavorable for satellite integrated design, and information flow interaction is complex, and interface is various and comes from different single machines, and Software for Design is not
Enough optimization, increases the weight and power consumption of whole star, and there is an urgent need for be improved design.
The interface of Satellite Payloads management at present is usually to input, export one-to-one interface form, and reliability is relatively low, if
Interface channel is broken down, and Satellite Payloads will be caused to can not work normally.
In addition, mostly using the single-stages malfunction monitoring such as status monitoring, abnormal alarm to the health control of satellite in the prior art
Mode, indiscriminate fault warning is taken for the different degrees of abnormal operation of satellite in implementation process and is answered
To measure, need to pay high health control realization cost and resource.
Invention content
The technical problem to be solved by the present invention is to：In view of the deficiencies of the prior art, a kind of Satellite Payloads are provided
Task management system can realize satellite for star under the premise of not increasing satellite master-plan additional stand-alone device expense
Carry the integrated task management of the functions such as power supply and distribution, remote measuring and controlling, the health control of payload, the single machine involved in this system
Other functions in the still executable satellite transit of equipment.Increasingly complicated Satellite Payloads technology development can effectively be adapted to simultaneously
According to the observing and controlling coverage condition of existing satellite, the data communication switching of space-based transmission and ground transmission can be flexibly carried out, is adapted to not
Cochannel resource capacity selects payload data transmission code rate, improves communication efficiency and communicative flexibility；
Further, can be according to satellite telemetry mode, flexibly dynamically scheduling payload data source is handled, real
Quick, reliable switching between existing different telemetering mode, meets the needs of different task stage, mission mode, is effectively promoted
The communication efficiency in payload in star big circuit；
Further, the redundancy of the power supply and data that can realize payload is standby to protect, and effectively prevents single-channel fault and leads
The problem of causing payload can not work normally, greatly improved the reliability of system；
Further, can be greatly reduced the realization cost of Satellite Payloads health control, realize low cost, flexibly,
Autonomous payload Gernral Check-up and assessment.
The present invention includes following technical solution：
The present invention provides a kind of Satellite Payloads task management system, including data management computer, data/address bus, electricity
Pond, distributor, payload, data storage multiplexer and star ground remote measuring and controlling processing unit；
Remote measuring and controlling processing is single with storing multiplexer and star for the data management computer, distributor, payload, data
Member is connected with the data/address bus；
Wherein, the data management computer by the data/address bus control distributor plus, power-off, control effectively carry
The switching on and shutting down of lotus, the format of control data storage multiplexer conversion telemetry and scheduling telemetry and the control star
The telemetry data transmission of telemetering the code check switching and day ground of remote measuring and controlling processing unit；Judge itself and the distributor, have
The processor of effect load whether simultaneously lead to according to intersecting between situation control execution payload and distributor of breaking down by failure
The cross channel data link road switchover policy that road powers between link switching strategy and data management computer and payload；
Judge the Health Category of the payload and corresponding health control strategy is taken according to the Health Category of the judgement；
The quantity of the payload is one or more, and each of described payload stores multiple connection with the data
Being established between device has corresponding channel and the telemetry of generation is stored multiple connection by the transmission to the data
Device, when the payload receives the switching on and shutting down instruction and key that the data management computer is sent by the data/address bus
The state parameter of the payload is simultaneously fed back to the data management computer by sequence action command by the data/address bus；
The battery supplies busbar voltage to the distributor；The distributor receives the busbar electricity that the battery provides
Pressure, converts through DC/DC, the secondary voltage needed for the corresponding payload is converted to, according to the data management computer
Control the payload is carried out plus, power operation, and the state parameter for adding, powering off is fed back by the data/address bus
To the data management computer；
The data storage multiplexer receives the telemetry that the payload transmission comes and is standardized
To the data source packet of payload, and by the data/address bus receive the data management computer telemetry scheduling refer to
Enable to be scheduled to the data source packet, with generation group transmission frame and to the star remote measuring and controlling processing unit pass
It is defeated；
The star remote measuring and controlling processing unit receive the described group of transmission that data storage multiplexer transmission comes
Frame receives the telemetering code check switching command of the data management computer transmission to switch to required code by the data/address bus
Rate and day ground switch order by telemetry to carry out space-based or ground transmission.
Further, data storage multiplexer to telemetry be standardized including：For from it is each effectively
The telemetry for the different-format that payload reception arrives carries out the conditioning of signal, amplification, is converted to unified signal form, obtains institute
State the data source packet of payload.
Further, data storage multiplexer to telemetry be scheduled including：
(1) the data storage multiplexer receives the telemetry dispatch command that the data management computer is sent
Afterwards, start the scheduling of telemetry；
(2) when satellite has observing and controlling coverage condition, the data storage multiplexer receives the data management computer
Control instruction enter real-time working pattern, the real-time working pattern includes：On the one hand by the data source of whole payload
Caching in telemetry pond in packet merging data storage multiplexer, on the other hand according to the needs of present satellites telemetering mode,
The data source packet that the dispatching algorithm selected part payload of the packet scheduling unit in multiplexer is stored by data forms channel
Transmission frame, by transmission frame, to star remote measuring and controlling processing unit carries out downlink transfer；Wherein, when satellite telemetry mode needs
When the data source packet of whole payload, then the data source packet that whole payload are transferred from the telemetry pond forms channel
Transmission frame and to star remote measuring and controlling processing unit carry out downlink transfer；
(3) when satellite does not have observing and controlling coverage condition, the data storage multiplexer receives the data management and calculates
The control instruction of machine enters record operating mode, and the record operating mode includes：Whole in the telemetry pond is had
In the data source packet storage to the packet memory block in data storage multiplexer for imitating load；
(4) when satellite never have observing and controlling coverage condition be transferred to have observing and controlling coverage condition after, the data store multiple connection
The control instruction that device receives the data management computer enters playback operating mode, and the playback operating mode includes：From institute
It states in packet memory block and extracts the data source packet of storage, and according to the needs of present satellites telemetering mode, pass through the packet scheduling list
The dispatching algorithm of member chooses data source packet and forms transmission frame, and to star remote measuring and controlling processing unit carries out downlink transfer.
Further, the needs according to present satellites telemetering mode store the packet scheduling in multiplexer by data
The data source packet of the dispatching algorithm selected part payload of unit includes：
(1) multiple satellite telemetry mode are marked off previously according to the mission phase of satellite or mission mode；
(2) it determines that the data source package of different payload merges to establish previously according to different satellite telemetry mode to reflect
Penetrate relationship；
(3) it when being switched to present satellites telemetering mode, is closed according to present satellites telemetering mode and the data source package
Mapping relations, dynamic dispatching is carried out to the data source packet of required payload.
Further, the use cross aisle power supply link connection between the payload and the distributor, it is described
It is connected using cross channel data link road (CCDL) between payload and the data management computer.
Further, cross channel data link road is used between the payload and the data management computer
(CCDL) when connecting, the cross aisle when coping with equipment fault between the data management computer executed and payload
Data link switchover policy includes：
The data management computer and the payload are all made of the dual processor redundancy of A processors and B processors
Backup mode, when data management computer sends control instruction to payload, under default conditions, by data management computer
A processors be sent to the A processors of payload；If detect the A processor stalls of payload, by payload
A processor operations are switched to B processor operations, and the control instruction is passed through institute by the A processors of data management computer at this time
It states cross channel data link road and transfers the B processors for being sent to payload；Likewise, when the A processing of data management computer
When machine breaks down, then B processor operations are switched to by the A processor operations of data management computer；
When payload is to data management computer transmission data, equipment event identical with above-mentioned switchover policy is also taken
Barrier reply switchover policy.
Further, it when between the payload and the distributor using cross aisle power supply link connection, is answering
Between the payload executed when equipment fault and distributor cross aisle power supply link switching strategy include：
The distributor and the payload are all made of the dual processor redundancy backup mode of A processors and B processors,
When distributor is powered to payload, under default conditions, the A processors of payload are sent to by the A processors of distributor；
If detect the A processor stalls of payload, B processor operations are switched to by payload A processor operations, at this time
The A processors of distributor transfer to supply electricity to the B processors of payload by cross aisle power supply link；
Likewise, when the A processors of distributor break down, then B processing is switched to by the A processor operations of distributor
Machine works.
Further, the health condition of the payload is classified in advance and formulates the strong of corresponding Health Category
The classification and strategy are pre-stored in the data storage multiplexer by health management strategy；It is described when payload works
What data management computer was transferred according to the state parameter of the payload received and from data storage multiplexer
The classification and strategy judge the Health Category of the payload and take corresponding health according to the Health Category of the judgement
Management strategy.
The present invention has the following advantages that compared with prior art：
(1) by data/address bus and distributor, payload, data storage multiplexer and star by data management computer
The Automation System Design of remote measuring and controlling processing unit can realize that satellite is distant for the power supply and distribution of spaceborne payload, telemetering
The integrated task management of the functions such as control, health control；Increasingly complicated Satellite Payloads technology development can effectively be adapted to；
And according to the observing and controlling coverage condition of existing satellite, can flexibly carry out space-based, base data communication switching, adapt to different channels resource
Capacity selects payload data transmission code rate, improves communication efficiency and communicative flexibility；
(2) according to the type of different payload datas, in conjunction with the in-orbit mission planning of satellite, dynamic dispatching payload number
It is handled according to source, with promoting payload star big circuit communication efficiency；
(3) the power supply branch and data branch of payload are all made of the connection type of cross aisle link, pass through intersection
The standby redundancy design method protected, can greatly improve system reliability, ensure the normal work of payload；
(4) formulation with corresponding health control strategy delimited by the health classification advance to payload, carried when effective
When lotus operation irregularity, the health control strategy that classification is handled can be taken according to abnormal residing Health Category, effectively realizes and defends
Star payload health control, greatly reduces the cost of implementation of health control.
Description of the drawings
Fig. 1 is Satellite payload task management system configuration diagram of the present invention；
Fig. 2 is that data store the schematic diagram that multiplexer is scheduled telemetry in the present invention；
Fig. 3 is the definition of Satellite telemetering mode of the present invention, divides schematic diagram；
Fig. 4 is the cross channel data link road connection signal between payload and data management computer in the present invention
Figure.
Specific implementation mode
Just the present invention is described further in conjunction with attached drawing below.Referring to Fig. 1, the present invention provides a kind of Satellite Payloads
Task management system, including data management computer, data/address bus, battery, distributor, payload, data store multiplexer
With star remote measuring and controlling processing unit.Satellite can be realized for the power supply and distribution of spaceborne payload, remote measuring and controlling, health control
Etc. functions integrated task management, can effectively adapt to increasingly complicated Satellite Payloads technology development.
Remote measuring and controlling processing is single with storing multiplexer and star for the data management computer, distributor, payload, data
Member is connected with the data/address bus；The data/address bus can develop demand according to real satellite, in conjunction with amount of communication data
With single machine interface form, the data/address bus such as 1553B, CAN, RS485, SpaceWire are selected；The course of work of the data/address bus
Including：
(a) control instruction for forwarding data management computer is transmitted to distributor according to command function, data store multiple connection
Device, star the ground stand-alone devices such as remote measuring and controlling processing unit；
(b) receive distributor, payload state parameter, and be sent to data management computer, its made to grasp distribution
The working condition of device and payload.
Wherein, core single machine of the data management computer as entire Satellite Payloads management, pass through the number
According to bus marco distributor plus, power-off, control payload switching on and shutting down, control data storage multiplexer conversion telemetry
Format and scheduling telemetry and the control star remote measuring and controlling processing unit the switching of telemetering code check and day ground
Telemetry data transmission.The data management computer course of work includes：
(a) be sent to distributor payload add, cut-offing instruction, control payload when start power up；
(b) it is sent to payload switching on and shutting down instruction and crucial sequential of fault action command, it is made to be acted according to the sequential of regulation
It works；
(c) it is sent to data storage multiplexer payload telemetry dispatch command, controls its data format side of being formed
Formula；
(d) according to existing channel resource service condition, with being sent to star remote measuring and controlling processing unit telemetering code check switching refers to
It enables, day ground switch order etc.；
(e) place of the distributor and payload is judged according to the state parameter of the distributor and payload that receive
Reason machine whether failure, and detect itself processor whether failure, according to breaking down, situation control executes payload and distribution
The cross aisle number between cross aisle power supply link switching strategy and data management computer and payload between device
According to link switching strategy；
(f) it is classified and is good for according to the state parameter of the payload received and the health transferred from data storage multiplexer
Health management strategy judges the Health Category of the payload and takes corresponding health control according to the Health Category of the judgement
Strategy.
The quantity of the payload is one or more, and each of described payload stores multiple connection with the data
Being established between device has corresponding channel and the telemetry of generation is stored multiple connection by the transmission to the data
Device, when the payload receives the switching on and shutting down instruction and key that the data management computer is sent by the data/address bus
The state parameter of the payload is simultaneously fed back to the data management computer by sequence action command by the data/address bus；
The battery supplies 28V busbar voltages to the distributor；The distributor receives the busbar that the battery provides
Voltage is converted through DC/DC, is converted to the secondary voltage needed for the corresponding payload, is calculated according to the data management
It is that machine is sent by data/address bus plus, cut-offing instruction, the payload of respective channel is carried out plus, power operation, and will plus, it is disconnected
The state parameter of electricity feeds back to the data management computer by the data/address bus；
The data storage multiplexer receives the telemetry that the payload transmission comes, according to different payload
Interface type is standardized to obtain the data source packet of the payload using the mentality of designing of modular arrangements, and
The telemetry dispatch command of the data management computer is received by the data/address bus to be scheduled to telemetry,
With generation group transmission frame and to the star remote measuring and controlling processing unit transmission；The data store multiplexer to telemetering number
According to be standardized including：The tune of signal is carried out for the telemetry of the different-format received from each payload
Reason, amplification, are converted to unified signal form, obtain the data source packet of the payload.
Referring to Fig. 2, data storage multiplexer to telemetry be scheduled including：
(1) the data storage multiplexer receives the telemetry dispatch command that the data management computer is sent,
Start the scheduling of telemetry；
(2) referring to Fig. 2 (a), when satellite has observing and controlling coverage condition, the data storage multiplexer receives the data
The control instruction of management computer enters real-time working pattern, and the real-time working pattern includes：On the one hand it all will effectively carry
It is cached in telemetry pond in the telemetry merging data storage multiplexer of lotus, on the other hand according to present satellites telemetering mould
The needs of state store the telemetry of the dispatching algorithm selected part payload of the packet scheduling unit in multiplexer by data
Transmission frame is formed, to star remote measuring and controlling processing unit carries out downlink transfer (real-time Transmission side by the transmission frame
Formula)；Wherein, it when satellite telemetry mode needs the telemetry of whole payload, is then transferred entirely from the telemetry pond
The telemetry composition transmission frame and to star remote measuring and controlling processing unit progress downlink transfer of portion's payload；
(3) referring to Fig. 2 (b), when satellite does not have observing and controlling coverage condition, the data storage multiplexer receives the number
Control instruction according to management computer enters record operating mode, and the record operating mode includes：It will be in telemetry pond
In the telemetry storage of whole payload to the packet memory block in data storage multiplexer；
(4) referring to Fig. 2 (c), when satellite never have observing and controlling coverage condition be transferred to have observing and controlling coverage condition after, the number
The control instruction that the data management computer is received according to storage multiplexer enters playback operating mode, the playback operating mode
Including：The telemetry of extraction payload passes through number according to the needs of present satellites telemetering mode from the packet memory block
The telemetry that payload is chosen according to the dispatching algorithm of the packet scheduling unit in storage multiplexer forms transmission frame, will believe
To star remote measuring and controlling processing unit carries out downlink transfer to road transmission frame.
The needs according to present satellites telemetering mode store the scheduling of the packet scheduling unit in multiplexer by data
The data source packet of algorithm picks partial payload includes：
(1) multiple satellite telemetry mode are marked off previously according to the mission phase of satellite or mission mode；
(2) it determines that the data source package of different payload merges to establish previously according to different satellite telemetry mode to reflect
Penetrate relationship；
(3) it when being switched to present satellites telemetering mode, is closed according to present satellites telemetering mode and the data source package
Mapping relations, dynamic dispatching is carried out to the data source packet of required payload.
On the basis of packet telemetry, the combination of different data sources packet is defined as a kind of telemetering mode, a kind of telemetering mode
A corresponding mission phase or mission mode, referring to Fig. 3,1 corresponding data source of telemetering mode packet 1 and data source packet 2, telemetering mode
2 corresponding data sources packet 3, data source packet 4 and data source packet 5,3 corresponding data source of telemetering mode packet 6,7,8.It is dynamic by packet telemetry
State scheduling strategy, can be according to satellite telemetry mode, and flexibly dynamically scheduling payload data source is handled, and is realized different
Quick, reliable switching between telemetering mode, meets the needs of different task stage, mission mode, effectively improves effectively
The communication efficiency in load in star big circuit.
Between the payload and the distributor using cross aisle power link connection, the payload with
It is connected using cross channel data link road (CCDL) between the data management computer.Can realize payload power supply and
The redundancies of data is standby to protect, and effectively prevents the problem of single-channel fault causes payload can not work normally, and greatly improved and is
The reliability of system.
Referring to Fig. 4, to pass through cross channel data link road (CCDL) between payload and the data management computer
For connection, illustrate its switchover policy when coping with equipment fault：
Data management computer and payload are all made of pair of A processors (abbreviation A machines) and B processors (abbreviation B machines)
Machine redundancy backup mode, when data management computer sends control instruction to payload, under default conditions, by data management
The A processors of computer are sent to the A processors of payload, if detect the A processor stalls of payload, by having
Effect load A processor operations are switched to B processor operations, and the A processors of data management computer are by the control instruction at this time
The B processors for transferring to be sent to payload by the cross channel data link road.When the A processors of data management computer
When failure, independently switches to B processors and work, principle is same as above.When payload is sent to data management computer
When state parameter, switchover policy is same as above.
In addition, when using cross aisle power supply link connection between the payload and the distributor, set in reply
The switchover policy taken when standby failure includes：
The distributor and the payload are all made of the dual processor redundancy backup mode of A processors and B processors,
When distributor is powered to payload, under default conditions, the A processors of payload are sent to by the A processors of distributor；
If detect the A processor stalls of payload, B processor operations are switched to by payload A processor operations, at this time
The A processors of distributor transfer to supply electricity to the B processors of payload by cross aisle power supply link；Likewise, working as
When the A processors of distributor break down, then B processor operations are switched to by the A processor operations of distributor.
The star remote measuring and controlling processing unit receive the described group of transmission that data storage multiplexer transmission comes
Frame receives the telemetering code check switching command of the data management computer transmission by the data/address bus and ground switch in day refers to
It enables, telemetry is carried out space-based or ground transmission by certain bit rate selection；It is covered according to the observing and controlling of existing satellite
Condition, can flexibly carry out space-based, base data communication switching, adapt to different channels resource capacity, select payload data pass
Defeated code check improves communication efficiency and communicative flexibility.
The present invention, which manages system, also has satellite health management function, includes mainly：The payload is good in advance
Health situation is classified and is formulated the health control strategy of corresponding Health Category, and the classification and strategy are pre-stored within institute
It states in data storage multiplexer；When payload works, the data management computer is according to the payload received
State parameter and from the data classification transferred of storage multiplexer and strategy, judge the health etc. of the payload
Grade simultaneously takes corresponding health control strategy according to the Health Category of the judgement.Satellite Payloads health pipe can be greatly reduced
The realization cost of reason realizes inexpensive, flexible, autonomous payload Gernral Check-up and assessment.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (8)
1. a kind of Satellite Payloads task management system, including data management computer, data/address bus, battery, distributor, have
With imitating load, data storage multiplexer and star remote measuring and controlling processing unit；
Remote measuring and controlling processing unit is equal with storing multiplexer and star for the data management computer, distributor, payload, data
It is connected with the data/address bus；
Wherein, the data management computer by the data/address bus control distributor plus, power-off, control payload
Switching on and shutting down, the format of control data storage multiplexer conversion telemetry and scheduling telemetry and with controlling star telemetering
The telemetry data transmission of telemetering the code check switching and day ground of remote processing unit；Judge itself and the distributor, effective load
Whether the cross aisle that failure and basis break down between situation control execution payload and distributor supplies the processor of lotus
Cross channel data link road switchover policy between current source road switchover policy and data management computer and payload；Judge
The Health Category of the payload simultaneously takes corresponding health control strategy according to the Health Category of the judgement；
The quantity of the payload is one or more, each of described payload and the data storage multiplexer it
Between establish have corresponding channel and by the telemetry of generation pass through the transmission to the data store multiplexer, institute
State that payload receives switching on and shutting down instruction that the data management computer is sent by the data/address bus and crucial sequential of fault is dynamic
Make to instruct and the state parameter of the payload is fed back into the data management computer by the data/address bus；
The battery supplies busbar voltage to the distributor；The distributor receives the busbar voltage that the battery provides, warp
DC/DC is converted, and the secondary voltage needed for the corresponding payload is converted to, according to the control of the data management computer
The payload is carried out plus, power operation, and described in the state parameter for adding, power off fed back to by the data/address bus
Data management computer；
The data storage multiplexer receives the telemetry that the payload transmission comes and has been standardized
Imitate load data source packet, and by the data/address bus receive the telemetry dispatch command of the data management computer with
The data source packet is scheduled, to generate transmission frame and to the star the transmission of remote measuring and controlling processing unit；
The star remote measuring and controlling processing unit receive the transmission frame that data storage multiplexer transmission comes, pass through
The data/address bus receive the telemetering code check switching command that the data management computer is sent with switch to required bit rate and
Its ground switch order by telemetry to carry out space-based or ground transmission.
2. Satellite Payloads task management system as described in claim 1, it is characterised in that：The data store multiplexer
To telemetry be standardized including：Letter is carried out for the telemetry of the different-format received from each payload
Number conditioning, amplification, be converted to unified signal form, obtain the data source packet of the payload.
3. Satellite Payloads task management system as claimed in claim 2, it is characterised in that：The data store multiplexer
To telemetry be scheduled including：
(1) it after the data storage multiplexer receives the telemetry dispatch command that the data management computer is sent, opens
The scheduling of beginning telemetry；
(2) when satellite has observing and controlling coverage condition, the data storage multiplexer receives the control of the data management computer
System instruction enters real-time working pattern, and the real-time working pattern includes：On the one hand the data source packet of whole payload is set
Enter and cached in the telemetry pond in data storage multiplexer, on the other hand according to the needs of present satellites telemetering mode, is passed through
The data source packet that data store the dispatching algorithm selected part payload of the packet scheduling unit in multiplexer forms transmission
Frame, by transmission frame, to star remote measuring and controlling processing unit carries out downlink transfer；Wherein, when satellite telemetry mode needs whole
When the data source packet of payload, then the data source packet that whole payload are transferred from the telemetry pond forms transmission
Frame and to star remote measuring and controlling processing unit carry out downlink transfer；
(3) when satellite does not have observing and controlling coverage condition, the data storage multiplexer receives the data management computer
Control instruction enters record operating mode, and the record operating mode includes：By all effectively carrying in the telemetry pond
In the data source packet storage of lotus to the packet memory block in data storage multiplexer；
(4) when satellite never have observing and controlling coverage condition be transferred to have observing and controlling coverage condition after, data storage multiplexer connects
The control instruction for receiving the data management computer enters playback operating mode, and the playback operating mode includes：From the packet
The data source packet of storage is extracted in memory block, and according to the needs of present satellites telemetering mode, passes through the packet scheduling unit
Dispatching algorithm chooses data source packet and forms transmission frame, and to star remote measuring and controlling processing unit carries out downlink transfer.
4. Satellite Payloads task management system as claimed in claim 3, it is characterised in that：It is described distant according to present satellites
The needs for surveying mode store the data of the dispatching algorithm selected part payload of the packet scheduling unit in multiplexer by data
Source includes：
(1) multiple satellite telemetry mode are marked off previously according to the mission phase of satellite or mission mode；
(2) it determines that the data source package of different payload merges previously according to different satellite telemetry mode and establishes mapping pass
System；
(3) it when being switched to present satellites telemetering mode, is reflected with what the data source package closed according to present satellites telemetering mode
Relationship is penetrated, dynamic dispatching is carried out to the data source packet of required payload.
5. Satellite Payloads task management system as described in claim 1, it is characterised in that：The payload with it is described
Cross aisle power supply link connection is used between distributor, is used between the payload and the data management computer
Cross channel data link road (CCDL) connects.
6. Satellite Payloads task management system as claimed in claim 5, it is characterised in that：The payload with it is described
Between data management computer using cross channel data link road (CCDL) connection when, executed when coping with equipment fault described in
Cross channel data link road switchover policy between data management computer and payload includes：
The data management computer and the payload are all made of the dual processor redundancy backup of A processors and B processors
Mode, when data management computer sends control instruction to payload, under default conditions, by the A of data management computer
Processor is sent to the A processors of payload；If detect the A processor stalls of payload, by payload A
The work of reason machine is switched to B processor operations, and the control instruction is passed through the friendship by the A processors of data management computer at this time
Fork channel data link transfers the B processors for being sent to payload；Likewise, the A processors when data management computer go out
When existing failure, then B processor operations are switched to by the A processor operations of data management computer；
When payload is to data management computer transmission data, equipment fault identical with above-mentioned switchover policy is also taken to answer
To switchover policy.
7. such as Satellite Payloads task management system described in claim 5 or 6, it is characterised in that：The payload with
When between the distributor using cross aisle power supply link connection, cope with the payload that is executed when equipment fault and
Between distributor cross aisle power supply link switching strategy include：
The distributor and the payload are all made of the dual processor redundancy backup mode of A processors and B processors, when with
When electric appliance is powered to payload, under default conditions, the A processors of payload are sent to by the A processors of distributor；If inspection
When measuring the A processor stalls of payload, then B processor operations are switched to by payload A processor operations, at this time distribution
The A processors of device transfer to supply electricity to the B processors of payload by cross aisle power supply link；
Likewise, when the A processors of distributor break down, then B processor works are switched to by the A processor operations of distributor
Make.
8. Satellite Payloads task management system as described in claim 1, it is characterised in that：In advance to the payload
Health condition be classified and formulated the health control strategy of corresponding Health Category, by it is described classification and strategy prestore
It is stored in multiplexer in the data；When payload works, the data management computer is described effective according to what is received
The state parameter of load and the classification transferred from data storage multiplexer and strategy, judge the strong of the payload
Health grade simultaneously takes corresponding health control strategy according to the Health Category of the judgement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106292360B (en) * | 2016-08-12 | 2019-04-09 | 北京航天长征飞行器研究所 | Telemetry system on a kind of aircraft based on number bus |
| CN106803770B (en) * | 2016-12-06 | 2020-04-28 | 中国电子科技集团公司第三十二研究所 | Satellite-payload-oriented control and processing system |
| CN106919153B (en) * | 2017-01-12 | 2019-01-11 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Electronic equipment on satellite Integrated system managing and control system |
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| CN109246444B (en) * | 2018-11-28 | 2022-01-07 | 中电科特种飞机系统工程有限公司 | Task load operation monitoring system, method and device and readable storage medium |
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| CN114291305A (en) * | 2020-07-22 | 2022-04-08 | 中国科学院微小卫星创新研究院 | Satellite fault diagnosis method |
| CN113377129B (en) * | 2021-08-13 | 2021-11-16 | 四川腾盾科技有限公司 | Method for cooperatively controlling one unmanned aerial vehicle by two ground stations |
| CN114928403A (en) * | 2022-06-10 | 2022-08-19 | 西安中科天塔科技股份有限公司 | Satellite load instruction execution judging system and method |
| CN115442275B (en) * | 2022-07-27 | 2024-02-27 | 北京邮电大学 | Hybrid telemetry method and system based on hierarchical trusted streams |
| CN115293459B (en) * | 2022-09-26 | 2022-12-06 | 北京开运联合信息技术集团股份有限公司 | Digital twin satellite payload health management system |
| CN116488711B (en) * | 2023-06-15 | 2023-08-22 | 上海航天空间技术有限公司 | Method and system for establishing satellite-ground emergency communication |
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