CN103984592B - A kind of satellite command series processing method and device based on multitask - Google Patents
A kind of satellite command series processing method and device based on multitask Download PDFInfo
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- CN103984592B CN103984592B CN201410210694.1A CN201410210694A CN103984592B CN 103984592 B CN103984592 B CN 103984592B CN 201410210694 A CN201410210694 A CN 201410210694A CN 103984592 B CN103984592 B CN 103984592B
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Abstract
A kind of satellite command series processing method and device based on multitask, the described method comprises the following steps：（1）Obtain all indirect instructions of telecommand required by task；（2）Be encapsulated into the form of the injecting data of respective number for all indirect instructions and form command sequence by the maximum encapsulation value according to every injecting data, wherein the command sequence includes at least one instruction task；（3）Send all injecting datas in the command sequence.The present invention greatly reduces terrestrial operation number of times, simplifies operating process, reduces human operational error, effectively increases reliability, security and the ease for use of straighforward operation；The terrestrial operation time is reduced simultaneously, remote control resources occupation rate is reduced, remote control efficiency is improve.
Description
Technical field
It is that one kind faces spacecraft efficiently specifically the present invention relates to aerospace measurement and control technology field
Satellite command series processing method and device based on multitask in program control.
Background technology
Ground typically has two kinds in face of the stored program control system of spacecraft：Indirect instruction mode and injecting data mode.Indirect instruction
Length is shorter, and its data field length is several crossed joints, and the mainly control such as some units or application state switching, parameter setting refers to
Order；The treatment of indirect instruction includes：Produce, application sends, send, judge the processes such as implementation status, it is necessary to many people participate in multiple
Operation, the every treatment of indirect instruction most 6 second time of short needs.Injecting data length is more long, the word of its data field length about hundreds of
Section, the mainly data more long such as orbital data, almanac data, software code；The place of every injecting data of injecting data mode
The reason most 8 second time of short needs.As the function of satellite becomes increasingly complex, completing a control task or load task needs multiple
The a plurality of indirect instruction of unit is performed successively according to certain flow, and some tasks need tens even hundreds and thousands of instructions to press
Performed successively according to certain flow.At present, all it is that indirect instruction completion is repeatedly sent by ground, existing indirect instruction is sent out one by one
Mode is sent to inject often, the cost time is long, it is necessary to expend substantial amounts of manpower and channel resource, the normal execution to task brings
Certain risk.
The content of the invention
It is an object of the present invention to provide a kind of satellite command series processing method based on multitask, can be simplifiedly
Face straighforward operation, improves remote control resource utilization, improves the reliability and security of task.
To achieve the above object, the invention provides a kind of satellite command series processing method based on multitask, including
Following steps：(1) all indirect instructions of telecommand required by task are obtained；(2) according to every maximum encapsulation of injecting data
Be encapsulated into the form of the injecting data of respective number for all indirect instructions and form command sequence by value, wherein the command sequence
Including at least one instruction task；(3) all injecting datas in the command sequence are sent.
Further, at least one instruction task includes at least one injecting data, at least one injecting data bag
Include at least one indirect instruction.
Further, the command sequence form is：Length：For identifying since validity field to assignment instructions list
The total byte length that field terminates；Type：Different instruction task type for distinguishing satellite execution；Verification and：For identifying
Terminate the cumulative and verification of all bytes to assignment instructions list field since validity field, only verification passes through satellite
This command sequence can be performed；Validity：Custom feature；Number of tasks：For identifying all instruction task quantity；Total instruction
Number：For identifying the total instruction number included when time command sequence；Mission bit stream：Corresponding starting for identifying all instruction tasks
Order number information, each instruction task has two byte informations；Assignment instructions list：It is detailed for identifying all instructions.Its
In, the number of tasks is from 1 open numbering.The initial order of all instruction tasks is numbered from 1 open numbering in the mission bit stream,
The initial order numbering fixation of do-nothing instruction task fills out 0.
Another object of the present invention, also provides a kind of satellite command series processing device based on multitask, including：One refers to
Acquisition module is made, all indirect instructions for obtaining telecommand required by task；One package module, mould is obtained with the instruction
Block is connected, the injecting data for all indirect instructions to be encapsulated into respective number according to the maximum encapsulation value of every injecting data
Form in form command sequence, wherein the command sequence include at least one instruction task；One sending module, with the encapsulation
Module is connected, for sending all injecting datas in the command sequence.
It is an advantage of the current invention that greatly reducing terrestrial operation number of times, operating process is simplified, reduce manual operation
Error, effectively increases reliability, security and the ease for use of straighforward operation；The terrestrial operation time is reduced simultaneously, is reduced
Remote control resources occupation rate, improves remote control efficiency；And the twin check by command sequence and the redundancy of instruction perform raising
The reliability and security of load task, there is stronger future in engineering applications, also can popularization and application other satellites load
In the remote control format of the complex task that task or a plurality of instruction of other needs coordinate.
Brief description of the drawings
Fig. 1, a kind of flow chart of the satellite command series processing method based on multitask of the present invention；
Fig. 2, is command sequence form schematic diagram of the present invention；
Fig. 3, a kind of Organization Chart of the satellite command series processing device based on multitask of the present invention.
Specific embodiment
A kind of satellite command series processing method and device based on multitask for providing the present invention below in conjunction with the accompanying drawings
Specific embodiment elaborate.
Shown in Figure 1, a kind of satellite command series processing method based on multitask is comprised the following steps：S11：Obtain
Take all indirect instructions of telecommand required by task；S12：According to every maximum encapsulation value of injecting data by all indirect fingers
Order forms command sequence in being encapsulated into the form of the injecting data of respective number, wherein the command sequence includes at least one instruction
Task；S13：Send all injecting datas in the command sequence.The following is the detailed description to above-mentioned steps.
S11：Obtain all indirect instructions of telecommand required by task.
Through analysis, the instruction of satellite remote command required by task is indirect instruction, if indirect instruction is encapsulated into note
In entering the form of data, then every injecting data can accommodate a plurality of (such as 12) indirect instruction, and this will greatly improve observing and controlling
Segmental arc utilization rate, and substantially reduce the complexity of ground remote control operation.By taking existing satellite remote control form agreement as an example, one
Complete remote control frame (i.e. injecting data) is most long only to support 512 bytes, and the byte information of every indirect instruction is defined as 29 words
Section, adds corresponding packet header bag tail and command information, so the indirect instruction number that injecting data can be encapsulated is most
It is 12.But in fact, in practical application, if being all can for remote control frame length (512) and the byte information (29) of indirect instruction
With what is adjusted, the open ended indirect instruction quantity of injecting data determines according to actual conditions.
S12：All indirect instructions are encapsulated into maximum encapsulation value according to every injecting data the injection number of respective number
According to form in form command sequence.
Because every injecting data can include a plurality of indirect instruction, therefore can be by all of telecommand mission requirements
Indirect instruction is packaged into one or more injecting data, forms a command sequence and is processed；For example certain load task needs
, then be sequentially encapsulated into a form for injecting data for 12 indirect instructions and form a command sequence by 12 indirect instructions；
Instruction inside command sequence can dynamically insert each bar short instruction information, it is not necessary to permanent order, substantially increase remote control
Efficiency.Namely one command sequence include at least one instruction task, one instruction task include at least one injecting data, one note
Entering data includes at least one indirect instruction.
With reference to Fig. 2, the command sequence form can include length, type, verification and, validity, number of tasks, always instruct
Number and assignment instructions list.
Wherein, length：For identifying the total byte length terminated to assignment instructions list field since validity field,
Without unsigned int, 4B (byte) is accounted for；
Type：Different instruction task type for distinguishing satellite execution, such as imaging, observation, data transfer etc. are accounted for
2B；
Verification and：For identify since validity field to assignment instructions list field terminate the cumulative of all bytes and
Verification, only verification can just perform this command sequence by satellite, account for 2B；
Validity：It is custom feature, can fixes and fill out 77H, accounts for 1B；
Number of tasks：For identifying all instruction task quantity, 1B is accounted for, from 1 open numbering, each command sequence can include
Multiple instruction task；
Total instruction number：For identifying the total instruction number included when time command sequence, 2B is accounted for, total instruction number maximum is depended on
Spaceborne computer is opened up to the size of command sequence SRAM, and total instruction number span is 1~550；
Mission bit stream：Corresponding initial order number information for identifying all instruction tasks, each instruction task has two
Byte information, wherein, the initial order numbering of all instruction tasks from 1 open numbering, number by the initial order of do-nothing instruction task
Fixation fills out 0；
Assignment instructions list：It is detailed for identifying all instructions, byte number is accounted for for variable, each indirect instruction includes N
Byte information, packet time for each instruction, instruction code, order parameter containing each bar indirect instruction etc..
As shown in Fig. 2 the mission bit stream of the command sequence includes 63 initial order number informations of instruction task, from
The initial order of task 1 numbering is until the initial order of task 63 numbering.
Number of tasks and total instruction number herein is different concepts.Every injecting data can accommodate 12 and refer to indirectly in foregoing
Order refers to that the remote control frame of 512 bytes accommodates up to 12 indirect instructions, and this is appointed by satellite remote control form；One
Individual satellite command task can be made up of the instruction of 1~n bars, and n cannot exceed total instruction number.And satellite has multiple-task in one day
Need to perform, in order to improve the efficiency of remote control injection, all of instruction task can be together encapsulated in command sequence the inside, it is maximum
63 instruction tasks are supported, the instruction number that all instruction tasks are added up is limited by total instruction number.
As shown in Fig. 2 assignment instructions list includes instruction 1 to instruction n information, each indirect instruction is believed including N byte
Breath.N is the corresponding value of total instruction number.
S13：Send all injecting datas in the command sequence.
Arranged according to satellite remote control form, all injecting datas in the command sequence are split into corresponding remote control
Frame, after upper note to satellite, is then assembled into a complete command sequence.Because every injecting data can be comprising a plurality of indirect
Instruction, therefore the transmission of task is completed by forming the form of command sequence, terrestrial operation number of times is reduced, simplify operation stream
Journey, reduces human operational error, effectively increases reliability, security and the ease for use of straighforward operation；Reduce ground simultaneously
The face operating time, remote control resources occupation rate is reduced, improve remote control efficiency；And twin check by command sequence and refer to
The redundancy of order performs the reliability and security that improve load task, there is stronger future in engineering applications, can also be applicable
In the load task of other satellites or other remote control formats of complex task for needing a plurality of instruction cooperation.
For example, certain load task needs 12 instructions, 14 load tasks are carried out every day, every time the upper note of palpus 3 days
Load task.Table 1 lists traditional indirect instruction and ratio of the command sequence of the present invention in terms of transmission time, transmission times
Compared with, wherein, the every treatment of indirect instruction most 6 second time of short needs, the every treatment of injecting data most 8 second time of short needs.
Compared by following table and can be seen that, it is clear that the transmission times of command sequence of the present invention and transmission time are much smaller than traditional indirect instruction
Mode, efficiency is greatly improved.
| Sequence number | Performance | Traditional indirect instruction | Command sequence of the present invention |
| 1 | The transmission time (S) | 3024 | 336 |
| 2 | Transmission times | 504 | 42 |
The traditional indirect instruction of table 1 and the Performance comparision of command sequence.
With reference to Fig. 3, a kind of satellite command series processing device based on multitask of the present invention, including：One instruction
Acquisition module 31, a package module 32 and a sending module 33.
The instruction acquisition module 31, all indirect instructions for obtaining telecommand required by task.Through analysis, satellite
The instruction of telecommand required by task is indirect instruction, if indirect instruction is encapsulated into the form of injecting data, then
Every injecting data can accommodate a plurality of (such as 12) indirect instruction, and this will greatly improve TT ＆ c arc utilization rate, and significantly
Reduce the complexity of ground remote control operation.
The package module 32 is connected with the instruction acquisition module 33, for according to every maximum encapsulation of injecting data
Be encapsulated into the form of the injecting data of respective number for all indirect instructions and form command sequence by value.Due to every injecting data
A plurality of indirect instruction can be included, therefore all indirect instructions of telecommand mission requirements can be packaged into one or more
Injecting data, forms a command sequence and is processed.Instruction inside command sequence can dynamically insert each bar short instruction
Information, it is not necessary to permanent order, substantially increases remote control efficiency.Namely one command sequence include at least one instruction task, one
Instruction task includes at least one injecting data, and an injecting data includes at least one indirect instruction.
The command sequence form can include length, type, verification and, validity, number of tasks, total instruction number and times
Business instruction list, with specific reference to shown in Fig. 2.
Wherein, length：For identifying the total byte length terminated to assignment instructions list field since validity field,
Without unsigned int, 4B (byte) is accounted for；
Type：Different instruction task type for distinguishing satellite execution, such as imaging, observation, data transfer etc. are accounted for
2B；
Verification and：For identify since validity field to assignment instructions list field terminate the cumulative of all bytes and
Verification, only verification can just perform this command sequence by satellite, account for 2B；
Validity：It is custom feature, can fixes and fill out 77H, accounts for 1B；
Number of tasks：For identifying all instruction task quantity, 1B is accounted for, from 1 open numbering, each command sequence can include
Multiple instruction task；
Total instruction number：For identifying the total instruction number included when time command sequence, 2B is accounted for, total instruction number maximum is depended on
Spaceborne computer is opened up to the size of command sequence SRAM, and total instruction number span is 1~550；
Mission bit stream：Corresponding initial order number information for identifying all instruction tasks, each instruction task has two
Byte information, wherein, the initial order numbering of all instruction tasks from 1 open numbering, number by the initial order of do-nothing instruction task
Fixation fills out 0；
Assignment instructions list：It is detailed for identifying all instructions, byte number is accounted for for variable, each indirect instruction includes N
Byte information, packet time for each instruction, instruction code, order parameter containing each bar indirect instruction etc..
The sending module 33 is connected with the package module 32, for sending all injection numbers in the command sequence
According to.Arranged according to satellite remote control form, all injecting datas in the command sequence are split into corresponding remote control frame, upper note
To after satellite, a complete command sequence is then assembled into.Because every injecting data can include a plurality of indirect instruction, because
This completes the transmission of task by forming the form of command sequence, reduces terrestrial operation number of times, simplifies operating process, reduces
Human operational error, effectively increases reliability, security and the ease for use of straighforward operation；When reducing terrestrial operation simultaneously
Between, remote control resources occupation rate is reduced, improve remote control efficiency；And the twin check by command sequence and the redundancy of instruction
Execution improves the reliability and security of load task, there is stronger future in engineering applications, also can popularization and application defended at other
In the remote control format of the complex task that the load task of star or a plurality of instruction of other needs coordinate.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of satellite command series processing method based on multitask, it is characterised in that comprise the following steps：
(1) all indirect instructions of telecommand required by task are obtained；
(2) all indirect instructions are encapsulated into the maximum encapsulation value according to every injecting data the lattice of the injecting data of respective number
Command sequence is formed in formula, wherein the command sequence includes at least one instruction task；
(3) all injecting datas in the command sequence are sent；Wherein,
The command sequence form is：
Length：For identifying the total byte length terminated to assignment instructions list field since validity field；
Type：Different instruction task type for distinguishing satellite execution；
Verification and：Terminate the cumulative and school of all bytes to assignment instructions list field since validity field for identifying
Test, only verification can just perform this command sequence by satellite；
Validity：Custom feature；
Number of tasks：For identifying all instruction task quantity；
Total instruction number：For identifying the total instruction number included when time command sequence；
Mission bit stream：Corresponding initial order number information for identifying all instruction tasks, each instruction task has two bytes
Information；
Assignment instructions list：It is detailed for identifying all instructions.
2. the satellite command series processing method based on multitask according to claim 1, it is characterised in that it is described at least
One instruction task includes at least one injecting data, and at least one injecting data includes at least one indirect instruction.
3. the satellite command series processing method based on multitask according to claim 1, it is characterised in that the task
Count from 1 open numbering.
4. the satellite command series processing method of multitask is based on according to claim 1, it is characterised in that the task letter
From 1 open numbering, the initial order numbering fixation of do-nothing instruction task fills out 0 to the initial order numbering of all instruction tasks in breath.
5. a kind of satellite command series processing device based on multitask, it is characterised in that including：
One instruction acquisition module, all indirect instructions for obtaining telecommand required by task；
One package module, is connected with the instruction acquisition module, for that will be owned according to every maximum encapsulation value of injecting data
Indirect instruction forms command sequence in being encapsulated into the form of the injecting data of respective number, wherein the command sequence is included at least
One instruction task；
One sending module, is connected with the package module, for sending all injecting datas in the command sequence；Wherein
The command sequence form is：
Length：For identifying the total byte length terminated to assignment instructions list field since validity field；
Type：Different instruction task type for distinguishing satellite execution；
Verification and：Terminate the cumulative and school of all bytes to assignment instructions list field since validity field for identifying
Test, only verification can just perform this command sequence by satellite；
Validity：Custom feature；
Number of tasks：For identifying all instruction task quantity；
Total instruction number：For identifying the total instruction number included when time command sequence；
Mission bit stream：Corresponding initial order number information for identifying all instruction tasks, each instruction task has two bytes
Information；
Assignment instructions list：It is detailed for identifying all instructions.
6. the satellite command series processing device based on multitask according to claim 5, it is characterised in that it is described at least
One instruction task includes at least one injecting data, and at least one injecting data includes at least one indirect instruction.
7. the satellite command series processing device based on multitask according to claim 5, it is characterised in that the task
Count from 1 open numbering.
8. the satellite command series processing device based on multitask according to claim 5, it is characterised in that the task
From 1 open numbering, the initial order numbering fixation of do-nothing instruction task fills out 0 to the initial order numbering of all instruction tasks in information.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107506892A (en) * | 2017-07-17 | 2017-12-22 | 北京空间飞行器总体设计部 | It is a kind of towards the ground integrated Intelligent control system of quiet rail Optical remote satellite star |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105511311B (en) * | 2015-11-30 | 2018-05-18 | 上海卫星工程研究所 | Efficient remote sensing satellite multisystem coordination with the synthesis control method |
| CN105959055B (en) * | 2016-04-15 | 2019-07-12 | 上海微小卫星工程中心 | A kind of aerospace vehicle and its method of telemetering |
| CN105763643B (en) * | 2016-04-20 | 2018-12-21 | 航天东方红卫星有限公司 | Injecting method on a kind of moonlet electronics load task using task template |
| CN106406863B (en) * | 2016-08-31 | 2019-07-12 | 西安空间无线电技术研究所 | A kind of in-orbit data safety method for reconfiguration for the instruments and meters software that carries people to fly |
| CN110034814B (en) * | 2019-03-29 | 2021-07-13 | 航天东方红卫星有限公司 | Agile satellite task trigger mode instruction design method |
| CN110398985B (en) * | 2019-08-14 | 2022-11-11 | 北京信成未来科技有限公司 | Distributed self-adaptive unmanned aerial vehicle measurement and control system and method |
| CN112328209A (en) * | 2020-10-22 | 2021-02-05 | 中国科学院国家空间科学中心 | Editing and checking method for deep space probe payload data injection packet |
| CN112650198B (en) * | 2020-12-21 | 2022-07-05 | 中国人民解放军63920部队 | Multi-spacecraft injection plan automatic generation and control method and device |
| CN113110308B (en) * | 2021-02-25 | 2022-03-25 | 北京空间飞行器总体设计部 | Lunar surface sampling three-in-one flight control cooperative work flow optimization method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7006039B2 (en) * | 2003-08-05 | 2006-02-28 | University Of Hawaii | Microwave self-phasing antenna arrays for secure data transmission & satellite network crosslinks |
| KR100549614B1 (en) * | 2003-11-05 | 2006-02-03 | 기륭전자 주식회사 | Wireless remote controller using time division protocol and Satellite radio receiver including the same |
| CN100559411C (en) * | 2007-10-30 | 2009-11-11 | 航天东方红卫星有限公司 | A kind of satellite remote command operational method |
| CN101876699B (en) * | 2009-04-30 | 2012-12-12 | 中国科学院空间科学与应用研究中心 | Control system and control method of satellite-borne microwave radiometer |
| CN102081704A (en) * | 2011-01-25 | 2011-06-01 | 中国科学院国家天文台 | Generation method for ontrack-operation injection data of scientific detecting instrument lunar probe |
| CN102520715B (en) * | 2011-12-28 | 2013-10-23 | 北京航空航天大学 | Universal satellite ground overall control test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107506892A (en) * | 2017-07-17 | 2017-12-22 | 北京空间飞行器总体设计部 | It is a kind of towards the ground integrated Intelligent control system of quiet rail Optical remote satellite star |
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