CN117648286A - Satellite-borne intelligent computing system supporting autonomous mission planning - Google Patents
Satellite-borne intelligent computing system supporting autonomous mission planning Download PDFInfo
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Abstract
The invention provides a satellite-borne intelligent computing system supporting autonomous task planning, which comprises a satellite-borne computer, satellite software and control software, wherein the satellite-borne computer comprises a CPU board, a satellite interface board, a control interface board and an interface expansion board; the CPU board is provided with a CPU, and the CPU is used for running the planetary software and the control software and is used as an upper computer of the system; the star interface board and the control interface board run FPGA lower computer codes for interface expansion; the interface expansion board runs the FPGA lower computer code and is used for carrying out data interaction with the load and inter-satellite communication module; the satellite software and the control software are executed together to realize the autonomous task planning function of the satellite. The beneficial effects of the invention are as follows: the method can improve the autonomous health management and autonomous task planning capability of the satellite in orbit and reduce the difficulty and resource investment of ground maintenance of the satellite in orbit.
Description
Technical Field
The invention relates to the technical field of satellites, in particular to a satellite-borne intelligent computing system supporting autonomous mission planning.
Background
In the current aerospace field, the number of in-orbit satellites is increased, and corresponding ground operation and maintenance work is also increased. Limited satellite measurement and control resources, the remote measurement data of the satellite can be received only after the satellite enters the environment, and task instructions are uploaded, so that a great deal of manpower and time are required to be invested in the satellite in-orbit operation.
Disclosure of Invention
The invention provides a satellite-borne intelligent computing system supporting autonomous task planning, which comprises a satellite-borne computer, satellite software and control software, wherein the satellite-borne computer comprises a CPU board, a satellite interface board, a control interface board and an interface expansion board; the CPU board is provided with a CPU, and the CPU is used for running the planetary software and the control software and is used as an upper computer of the system; the star interface board and the control interface board run FPGA lower computer codes for interface expansion; the interface expansion board runs the FPGA lower computer code and is used for carrying out data interaction with the load and inter-satellite communication module;
the satellite software and the control software are executed together to realize the autonomous task planning function of the satellite.
As a further improvement of the invention, the star interface board is provided with a thermal management function interface, the control interface board is provided with a power supply and distribution interface and a state acquisition and control output interface of the attitude control component, and the interface expansion board is provided with a load data interaction interface and an inter-satellite communication data delivery interface.
As a further improvement of the invention, the autonomous task planning function of the satellite is that the satellite autonomously develops a load task according to a ground instruction, the control software adjusts the attitude of the satellite according to the load task requirement, the satellite is oriented to the earth by turning the sun orientation in the cruising mode, and the side swing angle is adjusted; the satellite software autonomously controls related subsystems of the satellite, so that thermal control, power supply, telemetering acquisition, instruction control and service data forwarding and storage of the load are guaranteed; and the satellite runs the load according to a preset load task instruction sequence, and independently carries out the load task when the satellite gesture, the orbit position, the energy source and the thermal control condition meet the requirements.
As a further improvement of the invention, the on-board intelligent computing system further comprises an autonomous operation management function of the satellite.
As a further improvement of the invention, in the process of realizing the autonomous operation management function, the star software collects the whole star telemetry state, and after analysis processing, the data is assembled into a whole star telemetry frame and is downloaded to the ground through a measurement and control channel; executing instructions for uploading the satellite to the ground, and autonomously operating the satellite software and the control software to generate instructions; maintaining the time and orbit of the satellite, introducing the time and high-precision orbit of the GNSS or BD to calibrate the satellite, and synchronizing with the ground.
As a further improvement of the invention, the satellite-borne intelligent computing system also comprises an autonomous health management function of the satellite, which is completed by the satellite software and is used for finding and processing the satellite in-orbit abnormality.
As a further improvement of the invention, the autonomous health management function comprises whole-satellite energy safety management, whole-satellite energy margin is evaluated by combining the satellite running orbit and the residual electric quantity of the storage battery, and the output voltage and the current of the power supply and distribution channel are collected for telemetering and evaluating whole-satellite power supply safety; the communication state of the satellite-borne computer and other components is monitored, the communication error count is counted, and the normal operation of the whole satellite information flow is ensured by initializing measures of a bus controller, a bus main-standby switching module, a reset module and a module main-standby switching module.
As a further improvement of the invention, the satellite-borne intelligent computing system also comprises an autonomous data uplink and downlink function of the satellite, which is completed by the satellite software and is used for data transmission between the satellite and the ground.
As a further improvement of the invention, the autonomous data uplink and downlink functions comprise that after the satellite enters the ground, the satellite starts a measurement and control transmitter, downloads satellite telemetry data, receives an instruction of ground injection, and autonomously shuts down the measurement and control transmitter after the satellite leaves the ground; the satellite starts a data transmission function when approaching to the data transmission station according to the coordinates of the ground data transmission station, and downloads load service data stored by the satellite to the ground; when the satellite is overseas, the satellite data can be sent to the satellite in the environment through the inter-satellite communication module, and the ground for downloading the overseas satellite data is completed by the satellite in the environment; also, the ground can forward the control command to the satellite in the overseas through the inter-satellite communication module of the satellite in the environment.
The beneficial effects of the invention are as follows: the method can improve the autonomous health management and autonomous task planning capability of the satellite in orbit and reduce the difficulty and resource investment of ground maintenance of the satellite in orbit.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of an on-board intelligent computing system;
FIG. 3 is a functional schematic of an on-board intelligent computing system.
Detailed Description
As shown in fig. 1, the invention discloses a satellite-borne intelligent computing system supporting autonomous task planning, which is core equipment for satellite management and control, and realizes satellite running state analysis by collecting, processing and controlling satellite data; and (3) running an autonomous management program on the planet, driving the attitude control component to adjust the attitude of the satellite, and controlling the satellite load to complete the satellite task so as to realize autonomous management.
As shown in fig. 2, the spaceborne intelligent computing system comprises a spaceborne computer, spaceborne software and control software, wherein the spaceborne computer comprises a CPU board, a spaceborne interface board, a control interface board and an interface expansion board; the CPU board is provided with a CPU, and the CPU is used for running the planetary software and the control software and is used as an upper computer of the system; the star interface board and the control interface board run FPGA lower computer codes for interface expansion; the interface expansion board runs the FPGA lower computer code and is used for carrying out data interaction with the load and inter-satellite communication module.
The star interface board is provided with a thermal management function interface, the control interface board is provided with a power supply and distribution interface and a state acquisition and control output interface of the attitude control component, and the interface expansion board is provided with a load data interaction interface and an inter-satellite communication data delivery interface.
As shown in fig. 3, the functions of the on-board smart computing system include: autonomous operation management, autonomous health management, autonomous task planning and autonomous data uplink and downlink. The system can effectively improve the intelligent level of the satellite, enable the satellite to independently develop operation management in orbit and plan the execution of load tasks, and reduce the labor investment of ground maintenance.
The autonomous operation management function of the satellite is a basic function of the satellite in-orbit operation, is completed by satellite software, comprises acquisition of the whole satellite telemetry state, and after analysis and processing, the data are assembled into a whole satellite telemetry frame and are downloaded to the ground through a measurement and control channel; executing instructions for uploading the satellite to the ground, and autonomously operating the satellite software and the control software to generate instructions; maintaining the time and orbit of the satellite, introducing the time and high-precision orbit of the GNSS or BD to calibrate the satellite, and synchronizing with the ground.
The autonomous health management function of the satellite is used for finding and processing the satellite in-orbit abnormality and is completed by satellite software. The method comprises the steps of whole-satellite energy safety management, whole-satellite energy margin evaluation by combining a satellite operation orbit and the residual capacity of a storage battery pack, acquisition of output voltage and current telemetry of a power supply and distribution channel, and whole-satellite power supply safety evaluation; the communication state of the satellite-borne computer and other components is monitored, the communication error count is counted, and the normal operation of the whole satellite information flow is ensured through measures such as initializing a bus controller, bus main-standby switching, a reset module, module main-standby switching and the like.
The autonomous task planning function of the satellite is that the satellite autonomously carries out load tasks according to ground instructions and the load tasks are jointly executed by satellite software and control software. The control software adjusts the satellite attitude according to the load task requirement, changes the sun orientation to the earth orientation in the cruising mode, and adjusts the side swing angle; the satellite software autonomously controls related subsystems of the satellite, so that thermal control, power supply, telemetering acquisition, instruction control and service data forwarding and storage of the load are guaranteed; and the satellite runs the load according to a preset load task instruction sequence, and independently carries out the load task when the satellite gesture, the orbit position, the energy source and the thermal control condition meet the requirements.
The autonomous data uplink and downlink functions of the satellite are used for data transmission between the satellite and the ground, and are completed by satellite software. After entering the satellite, the satellite starts a measurement and control transmitter, downloads satellite telemetry data, receives an instruction of ground injection, and automatically closes the measurement and control transmitter after the satellite leaves the environment; the satellite starts a data transmission function when approaching to the data transmission station according to the coordinates of the ground data transmission station, and downloads load service data stored by the satellite to the ground; when the satellite is overseas, the satellite data can be sent to the satellite in the environment through the inter-satellite communication module, and the ground for downloading the overseas satellite data is completed by the satellite in the environment; also, the ground can forward the control command to the satellite in the overseas through the inter-satellite communication module of the satellite in the environment.
In summary, the satellite-borne intelligent computing system integrates the data interaction interfaces of the attitude control component, the load, the thermal control management component and the like, can directly collect the states of all devices on the satellite, processes and analyzes the collected data, runs a control algorithm to generate control signals of all execution mechanisms, and completes the control task of the satellite; meanwhile, the collected data are packed, stored and transmitted to a ground control station or other satellites through communication equipment; and receiving the injection data of the remote control unit, and completing the forwarding of the indirect instruction.
In the invention, the satellite-borne intelligent computing system supports the autonomous operation and maintenance of satellites in orbit. The system supports acquisition of satellite platform temperature telemetry and control of a heating loop, and can develop self-control temperature according to service requirements; the system supports the time of introducing GNSS (GNSS navigation system in the United states) and BD (Beidou navigation system) for calibration, maintains the on-satellite time and ensures the synchronization of the satellite time and the ground time; the system supports receiving real-time orbit determination data and orbit extrapolation data without positioning, autonomously updates satellite orbit data and downloads ground synchronization; the system supports acquisition of attitude control component data and control of the propulsion component, and satellite autonomous attitude control and satellite orbit maintenance can be carried out according to service requirements; the system supports the function of expanding inter-satellite communication, and can send satellite telemetry data outside a measurement and control area (outside a national border) to satellites in the measurement and control area and receive the telemetry data through a ground measurement and control station.
In the invention, the satellite-borne intelligent computing system supports autonomous planning of satellite on-orbit load tasks. After the ground sending instruction is enabled, the satellite autonomously performs the operations of energy safety assessment, thermal management, orbit maintenance, satellite attitude adjustment, load operation management, service data storage and the like according to the orbit and the target position, and when the satellite passes the border, the satellite data transmission is automatically started, and the service data is downloaded to the ground station.
The method can improve the autonomous health management and autonomous task planning capability of the satellite in orbit and reduce the difficulty and resource investment of ground maintenance of the satellite in orbit. The invention is mainly applied to satellites with multiple in-orbit tasks or satellite constellations with multiple in-orbit networking of satellites.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (9)
1. An on-board intelligent computing system supporting autonomous mission planning, characterized in that: the system comprises a spaceborne computer, spaceborne software and control software, wherein the spaceborne computer comprises a CPU board, a spaceborne interface board, a control interface board and an interface expansion board; the CPU board is provided with a CPU, and the CPU is used for running the planetary software and the control software and is used as an upper computer of the system; the star interface board and the control interface board run FPGA lower computer codes for interface expansion; the interface expansion board runs the FPGA lower computer code and is used for carrying out data interaction with the load and inter-satellite communication module;
the satellite software and the control software are executed together to realize the autonomous task planning function of the satellite.
2. The on-board intelligent computing system of claim 1, wherein: the star interface board is provided with a thermal management function interface, the control interface board is provided with a power supply and distribution interface and a state acquisition and control output interface of the attitude control component, and the interface expansion board is provided with a load data interaction interface and an inter-satellite communication data delivery interface.
3. The on-board intelligent computing system of claim 1, wherein: the autonomous task planning function of the satellite is that the satellite autonomously develops a load task according to a ground instruction, the control software adjusts the attitude of the satellite according to the load task requirement, the sun orientation is changed into the earth orientation under the cruising mode, and the side sway angle is adjusted; the satellite software autonomously controls related subsystems of the satellite, so that thermal control, power supply, telemetering acquisition, instruction control and service data forwarding and storage of the load are guaranteed; and the satellite runs the load according to a preset load task instruction sequence, and independently carries out the load task when the satellite gesture, the orbit position, the energy source and the thermal control condition meet the requirements.
4. The on-board intelligent computing system of claim 1, wherein: the on-board intelligent computing system also includes autonomous operation management functions for the satellites.
5. The on-board intelligent computing system of claim 4, wherein: in the process of realizing the autonomous operation management function, the star software collects the whole star telemetry state, and after analysis processing, the data are assembled into a whole star telemetry frame which is transmitted to the ground through a measurement and control channel; executing instructions for uploading the satellite to the ground, and autonomously operating the satellite software and the control software to generate instructions; maintaining the time and orbit of the satellite, introducing the time and high-precision orbit of the GNSS or BD to calibrate the satellite, and synchronizing with the ground.
6. The on-board intelligent computing system of claim 1, wherein: the satellite-borne intelligent computing system further comprises an autonomous health management function of the satellite completed by the satellite software, wherein the autonomous health management function is used for finding and processing the satellite in-orbit abnormality.
7. The on-board intelligent computing system of claim 6, wherein: the autonomous health management function comprises whole-satellite energy safety management, whole-satellite energy margin is estimated by combining a satellite running orbit and the residual electric quantity of a storage battery pack, and the whole-satellite power supply safety is estimated by collecting output voltage and current telemetry of a power supply and distribution channel; the communication state of the satellite-borne computer and other components is monitored, the communication error count is counted, and the normal operation of the whole satellite information flow is ensured by initializing measures of a bus controller, a bus main-standby switching module, a reset module and a module main-standby switching module.
8. The on-board intelligent computing system of claim 1, wherein: the satellite-borne intelligent computing system further comprises an autonomous data uplink and downlink function of the satellite completed by the satellite software, wherein the autonomous data uplink and downlink function is used for data transmission between the satellite and the ground.
9. The on-board intelligent computing system of claim 8, wherein: the autonomous data uplink and downlink functions comprise that after the satellite enters the environment, the satellite starts a measurement and control transmitter, downloads satellite telemetry data, receives an instruction of ground injection, and autonomously closes the measurement and control transmitter after the satellite exits the environment; the satellite starts a data transmission function when approaching to the data transmission station according to the coordinates of the ground data transmission station, and downloads load service data stored by the satellite to the ground; when the satellite is overseas, the satellite data can be sent to the satellite in the environment through the inter-satellite communication module, and the ground for downloading the overseas satellite data is completed by the satellite in the environment; also, the ground can forward the control command to the satellite in the overseas through the inter-satellite communication module of the satellite in the environment.
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| CN202311575404.9A CN117648286A (en) | 2023-11-22 | 2023-11-22 | Satellite-borne intelligent computing system supporting autonomous mission planning |
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