CN104267622A - Satellite telemetering acquisition device and method based on tasks and time - Google Patents
Satellite telemetering acquisition device and method based on tasks and time Download PDFInfo
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- CN104267622A CN104267622A CN201410455711.8A CN201410455711A CN104267622A CN 104267622 A CN104267622 A CN 104267622A CN 201410455711 A CN201410455711 A CN 201410455711A CN 104267622 A CN104267622 A CN 104267622A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007726 management method Methods 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000036541 health Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention relates to a satellite telemetering acquisition device and method, in particular to a satellite telemetering acquisition device and method based on tasks and time. The device is provided for establishing corresponding relations between telemetered data of a satellite system, and the real-time tasks and the time, and therefore possible ways are provided for the system to establish health data envelopment. The device comprises a multiplexer for receiving the telemetered data, a bus controller for receiving a bus controller start command, a time management FPGA and a CPU, wherein the downstream area of the multiplexer is sequentially connected with an operational amplifier filter, a high-speed A/D converter and an AD controller; the CPU is connected with the AD controller, the bus controller and the time management FPGA, the downstream area of the CPU is connected with an FIFO set, and the downstream area of the FIFO set is connected with a storage array written in through the FPGA. Objective laws and knowledge among task sequences, time sequences and the telemetered data can be mined, the reliability of telemetering processing results is enhanced, and meanwhile satellite in-orbit scientific management becomes possible.
Description
Technical field
The present invention relates to a kind of satellite telemetry harvester and acquisition method thereof, be specifically related to satellite telemetry harvester and the acquisition method thereof of a kind of task based access control and time.
Background technology
The execution of current satellite task is asynchronism and concurrency with the collection of the telemetry of reaction satellite transit health status.The startup of task has certain randomness in time, and the acquisition of telemetry cannot corresponding relation real-time with task creation.The method causes following problem:
1) system acquisition state of health data time cost is large: perform in the time before certain task to the telemetry information of the corresponding task of collection from system, telemetry information is insignificant, namely during this period of time in system health state cannot with real-time telemetry data for according to judging.Spended time is needed again to obtain the telemetry intelligence (TELINT) of target.
2) task of system and telemetry intelligence (TELINT) corresponding relation complicated: same object computer is under different mission modes, same task pattern different command, same commands in different time, and telemetry intelligence (TELINT) all there are differences.When the data analysis that will gather, can find out, there is larger difference in telemetry intelligence (TELINT) state in unified time section.Telemetry intelligence (TELINT) cannot set up corresponding relation with the time shaft under task order.
3) because most of telemetry intelligence (TELINT) is cannot statistic quantification, therefore cause can the system information of comparison extremely limited, packet Lip river cannot be set up, thus set up system health information curve by the comparison of mass data, for more senior system provides the support of health analysis.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, satellite telemetry harvester and the acquisition method thereof of a kind of task based access control and time are provided, the telemetry of satellite system and real-time task and time can be made to set up corresponding relation, thus set up health data envelope for system possible approaches is provided.
In order to achieve the above object, the satellite telemetry harvester of task based access control and time comprises the MUX receiving telemetry, the bus controller receiving telemetry-acquisition startup command and a time management FPGA, and MUX downstream is connected amplifier and wave filter, high-speed a/d converter, AD controller successively;
Also comprise the CPU be connected with AD controller, bus controller, time management FPGA, the downstream of CPU is connected with FIFO group, and FIFO group downstream is connected with the storage array write by FPGA.
Described FIFO group comprises a FIFO and the 2nd FIFO, and a FIFO is all connected CPU with the upstream of the 2nd FIFO, and downstream connects FPGA.
The satellite telemetry acquisition method of task based access control and time, comprises the following steps:
Step one: bus controller identical collection interval time of being separated by receives logger task coding after the startup command of a telemetry-acquisition, and is transferred to CPU, and CPU starts telemetry-acquisition and also generates task sequence;
Step 2: telemetry enters temporary reservoir in AD controller by MUX, amplifier and wave filter, high-speed a/d converter successively, the mode that the identical collection interval time in time management FPGA interval starts a telemetry-acquisition obtains telemetry intelligence (TELINT) and temporally stores temporarily, ephemeral data rise time sequence in CPU time of reception management FPGA, the ephemeral data that CPU receives in AD controller generates telemetry-acquisition sample;
After step 3: CPU receives and transfers instruction, by task sequence, time series and telemetry-acquisition sample delivery to FIFO group;
Step 4: FIFO group is write completely and data are wherein stored array by FPGA write.
After in described step 3, CPU receives and transfers instruction, by task sequence, time series and telemetry-acquisition sample delivery to the FIFO in FIFO group;
In step 4, a FIFO writes completely and data is wherein stored array by FPGA write, starts written information in the 2nd FIFO simultaneously;
When the first data fifo write is complete, and the 2nd FIFO writes completely, returns step 3.
Gather interval time in described step one and step 2 and be 1ms.
Compared with prior art, the present invention can excavate task sequence, the objective law existed between time series and telemetry and knowledge, the basis of existing satellite framework make the acquisition of telemetry parameter more rich regular, the process criterion of telemetry becomes more meticulous more, instead of the mode being judged satellitosis by telemetry valid value range, improve the confidence level of remote measurement result, make satellite scientific management in-orbit become possibility simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the satellite telemetry harvester of a kind of task based access control and time;
Fig. 2 is the process flow diagram of the acquisition method of the satellite telemetry harvester of a kind of task based access control and time;
Fig. 3 is course of work schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
See Fig. 1, the satellite telemetry harvester of a kind of task based access control and time, comprise the MUX receiving telemetry, the bus controller receiving telemetry-acquisition startup command and time management FPGA, MUX downstream is connected amplifier and wave filter, high-speed a/d converter, AD controller successively; Also comprise the CPU be connected with AD controller, bus controller, time management FPGA, downstream connection the one FIFO of CPU and the downstream of the 2nd FIFO, FIFO and the 2nd FIFO are connected with the storage array write by FPGA.
See Fig. 2 and Fig. 3, the satellite telemetry acquisition method of a kind of task based access control and time, comprises the following steps:
Step one: bus controller 1ms of being separated by receives logger task coding after the startup command of a telemetry-acquisition, and is transferred to CPU, and CPU starts telemetry-acquisition and also generates task sequence;
Step 2: telemetry enters temporary reservoir in AD controller by MUX, amplifier and wave filter, high-speed a/d converter successively, the mode that time management FPGA interval 1ms starts a telemetry-acquisition obtains telemetry intelligence (TELINT) and temporally stores temporarily, ephemeral data rise time sequence in CPU time of reception management FPGA, the ephemeral data that CPU receives in AD controller generates telemetry-acquisition sample;
After step 3: CPU receives and transfers instruction, give a FIFO by task sequence, time series and telemetry-acquisition sample delivery;
Step 4 a: FIFO writes completely and data are wherein stored array by FPGA write, starts written information in the 2nd FIFO simultaneously; When the first data fifo write is complete, and the 2nd FIFO writes completely, returns step 3, message is carried out buffer memory by the mode of table tennis, writes the action of FLASH with FPGA.。
The then directly power-off when system works is abnormal, data are not preserved; When system acceptance to task be remote measurement resolve time, set up according to system context, task coding, command code and the time information envelope that takes remote measurement, set up the corresponding relation of working environment task, order, time and remote range, thus whether the work quantizing each module of telemetry parameter confirmation system is normal, and carry out anomaly analysis and fault isolation by the interactive calculation of telemetry intelligence (TELINT).
When satellite is through land station, by play-back command, the bus task sequence preserved in storage array, time series, remote measurement value are passed to uphole equipment under passing through.Carry out Data Analysis by uphole equipment according to agreement and set up task based access control sequence, seasonal effect in time series telemetering state information envelope.Basic telemetry envelope can accurately judge as basis for estimation real-time telemetry data envelopment by uphole equipment.
In certain remote sensing satellite, storage unit in information collecting device has possessed MT mode of operation, according to task based access control sequence, seasonal effect in time series telemetry-acquisition method, not only can make full use of the existing function of storage unit, and task sequence, the objective law existed between time series and telemetry and knowledge can be obtained, substantially increase the confidence level of satellitosis judged result.
Claims (5)
1. the satellite telemetry harvester of a task based access control and time, it is characterized in that: comprise the MUX receiving telemetry, the bus controller receiving telemetry-acquisition startup command and time management FPGA, MUX downstream is connected amplifier and wave filter, high-speed a/d converter, AD controller successively;
Also comprise the CPU be connected with AD controller, bus controller, time management FPGA, the downstream of CPU is connected with FIFO group, and FIFO group downstream is connected with the storage array write by FPGA.
2. the satellite telemetry harvester of a kind of task based access control according to claim 1 and time, is characterized in that: described FIFO group comprises a FIFO and the 2nd FIFO, and a FIFO is all connected CPU with the upstream of the 2nd FIFO, and downstream connects FPGA.
3. the satellite telemetry acquisition method of task based access control and time, is characterized in that: comprise the following steps:
Step one: bus controller identical collection interval time of being separated by receives logger task coding after the startup command of a telemetry-acquisition, and is transferred to CPU, and CPU starts telemetry-acquisition and also generates task sequence;
Step 2: telemetry enters temporary reservoir in AD controller by MUX, amplifier and wave filter, high-speed a/d converter successively, the mode that the identical collection interval time in time management FPGA interval starts a telemetry-acquisition obtains telemetry intelligence (TELINT) and temporally stores temporarily, ephemeral data rise time sequence in CPU time of reception management FPGA, the ephemeral data that CPU receives in AD controller generates telemetry-acquisition sample;
After step 3: CPU receives and transfers instruction, by task sequence, time series and telemetry-acquisition sample delivery to FIFO group;
Step 4: FIFO group is write completely and data are wherein stored array by FPGA write.
4. the satellite telemetry acquisition method of a kind of task based access control according to claim 3 and time, it is characterized in that: after in described step 3, CPU receives and transfers instruction, by task sequence, time series and telemetry-acquisition sample delivery to the FIFO in FIFO group;
In step 4, a FIFO writes completely and data is wherein stored array by FPGA write, starts written information in the 2nd FIFO simultaneously;
When the first data fifo write is complete, and the 2nd FIFO writes completely, returns step 3.
5. the satellite telemetry acquisition method of a kind of task based access control according to claim 3 and time, is characterized in that: gather interval time in described step one and step 2 and be 1ms.
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| CN201410455711.8A CN104267622B (en) | 2014-09-09 | 2014-09-09 | Satellite telemetering acquisition device and method based on tasks and time |
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| CN201410455711.8A CN104267622B (en) | 2014-09-09 | 2014-09-09 | Satellite telemetering acquisition device and method based on tasks and time |
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| CN104267622B CN104267622B (en) | 2017-02-08 |
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Cited By (3)
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| CN108563166A (en) * | 2018-03-23 | 2018-09-21 | 哈尔滨工程大学 | The in-orbit healthy integrated management terminal of moonlet based on FPGA and management method |
| CN110955628A (en) * | 2019-11-18 | 2020-04-03 | 上海卫星工程研究所 | Analog quantity telemetering acquisition method and acquisition system based on sampling address |
| CN113131990A (en) * | 2021-04-06 | 2021-07-16 | 航天科工空间工程发展有限公司 | Commercial low-orbit satellite communication system |
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| CN110955628A (en) * | 2019-11-18 | 2020-04-03 | 上海卫星工程研究所 | Analog quantity telemetering acquisition method and acquisition system based on sampling address |
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| CN113131990B (en) * | 2021-04-06 | 2022-09-23 | 航天科工空间工程发展有限公司 | Commercial low-orbit satellite communication system |
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| CN104267622B (en) | 2017-02-08 |
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