CN107831503B - Satellite orbit analysis comparison system and method based on real-time telemetering data - Google Patents
Satellite orbit analysis comparison system and method based on real-time telemetering data Download PDFInfo
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- CN107831503B CN107831503B CN201710862226.6A CN201710862226A CN107831503B CN 107831503 B CN107831503 B CN 107831503B CN 201710862226 A CN201710862226 A CN 201710862226A CN 107831503 B CN107831503 B CN 107831503B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
- G01S19/06—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding data
Abstract
The invention provides a satellite orbit analysis and comparison system and method based on real-time telemetering data. The real-time data receiving terminal is used for receiving satellite telemetering data and test equipment data; the satellite orbit calculation unit performs data interaction with the real-time data receiving terminal and the analysis comparison presenting terminal in a network mode, and realizes data analysis and comparison of different satellites by calling an algorithm library of a unified interface; the analysis comparison presentation terminal can receive the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, analyze and compare the results of the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, and give a comparison result. The method is suitable for orbit analysis and comparison of satellite multi-type data.
Description
Technical Field
The invention relates to a satellite orbit analysis and comparison system and a method, in particular to a satellite orbit analysis and comparison system and a method based on real-time telemetering data.
Background
When the satellite is tested on the ground, the test on the relevant parameters of the orbit is often less, the simulation calculation mode is often adopted, and along with the development of the test means and the test technology, the maturity and the popularization of the satellite autonomous control technology, the urgency of the satellite orbit relevant parameters is gradually paid more attention. In general, a satellite performs orbit calculation and autonomous control according to a state of a GPS and its initial conditions, and therefore, a ground test is required to verify a result of the orbit calculation and check autonomous operation of the satellite. Different satellite orbits and tasks are different, so that a satellite orbit calculation method and an autonomous control method are different, the orbit analysis comparison method with the unified interface, which is suitable for different satellites, is designed, the significance for improving the comprehensiveness of satellite ground tests is achieved, and an important basis can be provided for global diagnosis of the satellites.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a satellite orbit analysis comparison system and method based on real-time telemetering data, which are suitable for the orbit analysis comparison of satellite multi-type data.
According to one aspect of the invention, a satellite orbit analysis comparison system based on real-time telemetry data is provided, which is characterized by comprising:
the real-time data receiving terminal is used for receiving satellite telemetering data and test equipment data;
the satellite orbit calculation unit is used for carrying out data interaction with the real-time data receiving terminal and the analysis comparison presenting terminal in a network mode and realizing data analysis and comparison of different satellites by calling an algorithm library of a unified interface;
and the analysis comparison presentation terminal can receive the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, analyze and compare the results of the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, and give a comparison result.
Preferably, the real-time data receiving terminal performs normalization processing on the received satellite telemetry data and the ground equipment, and extracts required data from multiple types of data for uniform distribution and storage.
Preferably, the real-time data receiving terminal receives satellite telemetry data, radio frequency signal data, other wired acquisition data, bus data and remote sensing terminal data; extracting satellite engineering value information from satellite telemetering data, and acquiring initial calculation initial values and results of orbit calculation and program control; acquiring relevant characteristics of radio frequency signals from the radio frequency signal data, and acquiring a result state controlled by a satellite radio frequency relevant program; extracting the change of the satellite state from other wired acquisition data to obtain the execution result of the autonomous control of the satellite; extracting an on-orbit autonomous remote control signal sent by the satellite from the bus data, and judging the execution condition of the satellite instruction; and extracting relevant information of satellite load data from the remote sensing data, and acquiring the load state change of the satellite autonomous control.
Preferably, the real-time data receiving terminal performs grouping management on different satellite data, and different satellites bind different port numbers to distribute data to the satellite orbit calculation unit and the analysis comparison presentation terminal.
Preferably, the satellite orbit calculation unit performs data interaction with at least one orbit calculation library in the form of a dynamic link library, and the satellite orbit calculation unit uses mutually independent orbit calculation and program control calculation; the satellite orbit calculation unit is used for simulating the in-orbit state of the satellite, performing satellite autonomous control according to the orbit condition and outputting the calculation result.
Preferably, the orbit calculation library performs orbit calculation according to the requirements and characteristics of different satellites, and the orbit calculation library adopts a dynamic link library form.
Preferably, the program-controlled computation is implemented by inputting a relevant telemetering determination result, the program-controlled computation adopts a program-controlled computation library, and the program-controlled computation library adopts a dynamic link library form.
Preferably, the analysis, comparison and presentation terminal receives telemetering data distributed by a satellite real-time data receiving terminal and a calculation result of a satellite orbit calculation unit, and different satellites are identified according to data interfaces and data identifiers; outputting error and error information to provide analysis results for ground test; the analysis comparison terminal displays the remote measurement information of all satellites in a unified way, namely, the comparison results of all satellites are displayed together, so that the analysis comparison terminal is convenient for monitoring personnel to judge and analyze.
The invention also provides a satellite orbit analysis and comparison method based on real-time telemetering data, which is characterized by comprising the following steps: carrying out normalization processing and data screening on the received data, pushing the screened data to a computing unit for track computing, and finishing the track computing for program control computing; after the calculation is finished, the analysis and comparison terminal carries out analysis and comparison, processing is carried out according to the analysis and comparison result, if alarming is needed, the alarming result is firstly stored, and then a user is prompted to carry out processing; if the calculation result is normal, the value of the calculation result is stored, since iterative calculation may be required in the calculation process, part of the correct calculation result is updated to the initial calculation value, the current calculation beat is ended, and after next data comes, the data calculation and comparison of the next beat are performed according to the result of the previous calculation and the initial calculation value of the current calculation.
Compared with the prior art, the invention has the following beneficial effects: (1) the invention provides a satellite orbit analysis comparison design based on real-time telemetering data, which supports comprehensive processing analysis aiming at multi-type satellite test data; (2) the invention adopts different satellite orbit calculation units to realize different kinds of orbit calculation of different satellites and autonomous satellite control in different modes; (3) the invention adopts the unified interface, thereby ensuring the adaptability of the simulation interfaces of different satellites.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a satellite orbit analysis and alignment system based on real-time telemetry data according to the present invention;
fig. 2 is a working flow chart of the satellite orbit analysis comparison method based on real-time telemetry data according to the invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, the system for analyzing and comparing satellite orbits based on real-time telemetry data of the present invention comprises:
the real-time data receiving terminal is used for receiving satellite telemetering data and test equipment data;
the satellite orbit calculation unit is used for carrying out data interaction with the real-time data receiving terminal and the analysis comparison presenting terminal in a network mode and realizing data analysis and comparison of different satellites by calling an algorithm library of a unified interface;
and the analysis comparison presentation terminal can receive the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, analyze and compare the results of the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, and give a comparison result.
And the real-time data receiving terminal performs normalization processing on the received satellite telemetering data and the ground equipment, and extracts required data from various types of data to uniformly distribute and store the data. The real-time data receiving terminal performs data storage on the received data for one time so as to meet the requirement of subsequent off-line data playback.
The real-time data receiving terminal can receive satellite telemetering data, radio frequency signal data, other wired acquisition data, bus data and remote sensing terminal data. Extracting satellite engineering value information from satellite telemetering data, and acquiring initial calculation initial values and results of orbit calculation and program control; acquiring relevant characteristics of radio frequency signals from the radio frequency signal data, and acquiring a result state controlled by a satellite radio frequency relevant program; extracting the change of the satellite state from other wired acquisition data to obtain the execution result of the autonomous control of the satellite; extracting an on-orbit autonomous remote control signal sent by the satellite from the bus data, and judging the execution condition of the satellite instruction; and extracting relevant information of satellite load data from the remote sensing data, and acquiring the load state change of the satellite autonomous control. The telemetering data is used for acquiring initial conditions and final execution results of orbit calculation, and the ground equipment data is used for monitoring the state of the satellite and the change of an external interface.
The real-time data receiving terminal performs grouping management on different satellite data, and different satellites bind different port numbers to distribute data to the satellite orbit calculation unit and the analysis and comparison presentation terminal.
The satellite orbit calculation unit performs data interaction with at least one orbit calculation library in a dynamic link library mode, and the satellite orbit calculation unit performs mutually independent orbit calculation and program control calculation; the satellite orbit calculation unit is used for simulating the in-orbit state of the satellite, performing satellite autonomous control according to the orbit condition and outputting the calculation result.
The orbit calculation library carries out orbit calculation according to the requirements and characteristics of different satellites, adopts a dynamic link library form, can realize the calculation of orbits by calling STK (STK is a commercial analysis software which is developed by American Analytical Graphics company and is in a leading position in the aerospace field) or Matlab and other existing tools, and can also be realized by adopting an autonomous programming mode. The satellite orbit calculation unit adopts a modular design, an orbit calculation algorithm and an autonomous program control algorithm are packaged, an algorithm library of different satellites is replaced, and the calculation library can be realized by calling STK (Standard tool kit) or Matlab and the like.
The program control calculation is realized by a mode of inputting related telemetering to give a judgment result, the program control calculation adopts a program control calculation library, and the program control calculation library adopts a dynamic link library form and can be realized by calling Matlab or autonomous programming. The program-controlled calculation is realized by directly giving a comparison result, and usually the result of the track computer library is used as an input of the program-controlled computer library.
Aiming at the occasion of multi-satellite parallel test, the satellite orbit calculation unit adopts a dynamic link library dynamic configuration mode, namely, the corresponding modes of the multi-orbit calculation library and the program control calculation library are realized according to the configuration of a user, and different satellites are distinguished according to corresponding identifiers in data.
Analyzing, comparing and presenting the telemetering data distributed by the satellite real-time data receiving terminal and the calculation result of the satellite orbit calculation unit by the terminal, and identifying different satellites according to the interfaces of the data and the data identifiers; and outputting error and error information to provide an analysis result for the ground test.
The analysis comparison terminal displays the telemetering information of all satellites in a unified way, namely, the comparison results of all satellites are displayed together, so that the analysis and comparison terminal is convenient for monitoring personnel to judge and analyze.
The analysis comparison presentation terminal can provide abnormal result alarm modes in various modes such as voice, characters and the like, and prompts monitoring personnel to pay attention.
The analysis comparison terminal serves as a unique human-computer interface in the system and provides data comparison, data display, historical data query and alarm functions for the outside. Correspondingly, a database is arranged in the system to store and read comparison result data, the functions are realized through four independent modules of a data comparison service, a data presentation service, a data query service and a data alarm service, and the modular design is beneficial to subsequent system upgrading and maintenance cost reduction.
As shown in fig. 2, the satellite orbit analysis and comparison method based on real-time telemetry data of the present invention comprises the following steps: carrying out normalization processing and data screening on the received data, pushing the screened data to a computing unit for track computing, and finishing the track computing for program control computing; after the calculation is finished, the analysis and comparison terminal carries out analysis and comparison, processing is carried out according to the analysis and comparison result, if alarming is needed, the alarming result is firstly stored, and then a user is prompted to carry out processing; if the calculation result is normal, the value of the calculation result is stored, since iterative calculation may be required in the calculation process, part of the correct calculation result is updated to the initial calculation value, the current calculation beat is ended, and after next data comes, the data calculation and comparison of the next beat are performed according to the result of the previous calculation and the initial calculation value of the current calculation.
The invention unifies different types of data into effective data which can be identified by the back end and has no redundancy, namely, data necessary for track calculation, program control calculation, analysis and comparison are selected from the effective data, redundant data are removed, and the data throughput of the system is reduced.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (6)
1. A satellite orbit analysis comparison system based on real-time telemetry data, comprising:
the real-time data receiving terminal is used for receiving satellite telemetering data and test equipment data;
the satellite orbit calculation unit is used for carrying out data interaction with the real-time data receiving terminal and the analysis comparison presenting terminal in a network mode and realizing data analysis and comparison of different satellites by calling an algorithm library of a unified interface;
the analysis comparison presentation terminal can receive the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, analyze and compare the results of the data collected by the real-time data receiving terminal and the data calculated by the satellite orbit calculation unit, and give a comparison result;
the real-time data receiving terminal performs normalization processing on the received satellite telemetering data and the ground equipment, and extracts required data from various types of data to perform uniform distribution and storage;
the real-time data receiving terminal receives satellite telemetering data, radio frequency signal data, wired acquisition data, bus data and remote sensing terminal data; extracting satellite engineering value information from satellite telemetering data, and acquiring initial calculation initial values and results of orbit calculation and program control; acquiring relevant characteristics of radio frequency signals from the radio frequency signal data, and acquiring a result state controlled by a satellite radio frequency relevant program; extracting the change of the satellite state from the wired acquisition data to obtain the execution result of the autonomous control of the satellite; extracting an on-orbit autonomous remote control signal sent by the satellite from the bus data, and judging the execution condition of the satellite instruction; and extracting relevant information of satellite load data from the remote sensing data, and acquiring the load state change of the satellite autonomous control.
2. The system according to claim 1, wherein the real-time data receiving terminal performs packet management on different satellite data, and different satellites bind different port numbers to distribute data to the satellite orbit calculation unit and the analysis and comparison presentation terminal.
3. The real-time telemetry data based satellite orbit analysis and comparison system according to claim 2, wherein the satellite orbit calculation unit performs data interaction with at least one orbit calculation library in the form of dynamic link library, and the satellite orbit calculation unit uses independent orbit calculation and program control calculation; the satellite orbit calculation unit is used for simulating the in-orbit state of the satellite, performing satellite autonomous control according to the orbit condition and outputting the calculation result.
4. The system for analyzing and comparing satellite orbits based on real-time telemetry data according to claim 3, wherein the orbit calculation library performs orbit calculation according to the requirements and characteristics of different satellites, and the orbit calculation library is in a form of a dynamic link library.
5. The system according to claim 4, wherein the programmed calculation is implemented by inputting relevant telemetry to give a decision result, and the programmed calculation is implemented by a programmed calculation library in the form of a dynamic link library.
6. The system for analyzing and comparing satellite orbits based on real-time telemetry data as claimed in claim 5, wherein the analyzing and comparing presentation terminal receives telemetry data distributed by a satellite real-time data receiving terminal and the calculation result of the satellite orbit calculation unit, and identifies different satellites according to the interface of the data and the data identification; outputting error and error information to provide analysis results for ground test; and the telemetering information of all satellites is uniformly displayed, namely, the comparison results of all satellites are displayed together, so that the monitoring personnel can conveniently judge and analyze.
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| CN114297084B (en) * | 2021-12-31 | 2022-08-19 | 北京航天驭星科技有限公司 | Method and device for testing satellite test, operation and control data interface, electronic equipment and medium |
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| CN103646127B (en) * | 2013-11-20 | 2016-06-29 | 中国空间技术研究院 | Satellite orbit gesture visual three-dimensional display packing |
| CN104267714B (en) * | 2014-09-10 | 2017-06-13 | 航天东方红卫星有限公司 | Orbit satellite attitude control system test and system detection method |
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