CN115396008B - Method, system and device for multi-level relay satellite constellation interplanetary navigation - Google Patents

Abstract

The invention discloses a method, a system and equipment for multi-stage relay satellite constellation inter-satellite navigation. The method comprises the following steps: 1) Arranging a plurality of earth orbit satellites to form a first-stage relay satellite constellation; arranging a plurality of satellites in a translation point setting area of an earth and moon gravitation system and a translation point setting area of an earth and sun gravitation system to form a second-stage relay satellite constellation; arranging a plurality of satellites around the earth in a translation point setting area of an earth and solar gravitation system and a corona orbit around the earth to form a third-level relay satellite constellation; each stage comprises at least four satellites; 2) The satellite ground station orbits the first-stage relay satellite, the orbits of the relay satellites are mutually determined among the relay satellite constellations of all stages, and then the navigation positioning of the interstellar deep space exploration satellite is realized through the multi-stage relay satellites. The invention builds a navigation positioning constellation based on the orbit of the translational point setting area, uses fewer satellites to realize the satellite navigation of the interplanetary detection from the earth to the sun, and can greatly save time and investment.

Description

Method, system and device for multi-level relay satellite constellation interplanetary navigation

technical field

The present disclosure relates to the field of satellite navigation, in particular to a method, system and device for implementing interplanetary satellite navigation by using multi-level satellites to form a relay constellation, which is used for interplanetary satellite navigation between the earth and the sun.

Background technique

At present, GPS, GLONASS, Galileo, Beidou and other global navigation and positioning systems are relatively mature technologies for the navigation and positioning of the earth's surface and near-earth targets. The interplanetary deep space exploration of the sun, planets, and asteroids in the solar system outside the earth's orbit is the development direction of various space powers, and the related interplanetary deep space exploration technology is a hot spot for the development of various countries. Navigation and positioning of interplanetary probes is one of the key technologies for deep space exploration. my country's patent documents CN100501331C, CN108494472A, CN111536980B, etc. have all done related research and development, and have related technologies. However, there is currently no method and system for realizing interplanetary satellite navigation and positioning using multi-level relay satellites that are applicable between the earth and the sun.

Contents of the invention

The main purpose of the present disclosure is to provide a method and system for realizing interplanetary satellite navigation and positioning by a multi-level relay satellite constellation, which is used to solve at least one of the above technical problems.

In order to achieve the above purpose, on the one hand, the present disclosure proposes a multi-level relay satellite constellation interplanetary navigation method, including:

Satellites in earth orbit form the first-level relay satellite constellation, and satellites on the regional orbit set by the translation point of the earth and the moon's gravitational system and satellites on the regional orbit set by the translation point of the earth's gravitational system form the second-level relay satellite Constellation, the satellites on the regional orbit set by the translation point of the earth and the sun's gravitational system and the satellites in the halo orbit around the earth form the third-level relay satellite constellation; the first, second, and third-level relay satellite constellations, each The first-level relay satellite constellation consists of at least four satellites; the satellite ground station determines the orbit of the first-level relay satellite; Orbit determination of the second-level relay satellite, the second-level relay satellite determines the orbit of the third-level relay satellite through the on-board computing components according to the measurement data received by the third-level relay satellite; the third-level relay satellite receives The measurement data of the second-level relay satellite is determined by the on-board calculation unit to determine the orbit of the second-level relay satellite. The orbit determination of the first-level relay satellites; because the first-level and third-level opening angles are too small, the orbit determination of the first level to the third level or the third level to the first level is not easy to achieve, so it is necessary to deploy the second level satellites as Relay constellation. The invention uses the first, second and third relay satellites to form a constellation to navigate the interplanetary satellites. After the interplanetary satellite is launched from the earth, when it reaches the coverage area of the first-level relay satellite, it receives the navigation signal of the first-level relay satellite, and uses the first-level relay satellite to monitor the interplanetary satellite that enters its coverage area. Positioning and navigation; when the interplanetary satellite reaches the coverage of the second-level relay satellite, it receives the navigation signal of the second-level relay satellite, and uses the second-level relay satellite to pair the interstellar satellite that enters its coverage Carry out positioning and navigation; when the interplanetary satellite reaches the coverage of the third-level relay satellite, receive the navigation signal of the third-level relay satellite, and use the third-level relay satellite to pair the interplanetary satellite within its coverage. The satellite performs positioning and navigation; the relay satellite communication data of each level and the communication data of the interplanetary satellite communicate with the satellite ground station or communicate with the relay satellite of each level through the satellite communication component.

Optionally, the first-stage relay satellite is a geosynchronous orbit satellite.

Optionally, the translation point of the earth and the moon gravitational system sets the second stage relay satellite on the regional orbit, wherein the translation point is the fourth point, the fifth point, the second point of the earth-moon Lagrangian point; the translation point of the earth and the sun gravitational system sets the second-level relay satellite on the regional orbit, and its translation point is the first point and the second point of the earth-sun Lagrangian. Wherein, the satellite orbit is a halo orbit near each translation point.

Optionally, the translation point of the earth and the sun gravitational system sets the third-level relay satellite on the regional orbit, wherein the translation point is the fourth point and the fifth point of the earth-sun Lagrangian; the halo around the earth ( halo) orbit is a halo orbit whose radius is less than 0.2 times the distance between the sun and the earth (0.2AU), and the halo orbit plane is a satellite orbit that is not parallel to the ecliptic plane.

Another aspect of the present disclosure proposes a multi-level relay satellite constellation interplanetary navigation system, including:

The interplanetary navigation constellation composed of the first, second, and third-level relay satellites, each level of relay satellite constellation consists of at least four satellites; the earth orbit satellites form the first-level relay satellite constellation, the earth and the moon gravitational system translation The satellites on the regional orbit set by the point and the satellites on the regional orbit set by the translation point of the earth and the sun's gravitational system form the second-level relay satellite constellation. The earth's halo (halo) orbit satellites form the third-level relay satellite constellation; the satellite ground station is used for navigation to the first-level relay satellite; the first-level relay satellite is used for second-level relay satellite navigation, and the second-level Relay satellite to third-level relay satellite navigation; third-level relay satellite to second-level relay satellite navigation, second-level relay satellite to first-level relay satellite navigation; first, second and third-level Following satellite-to-interplanetary satellite navigation.

Optionally, the first-stage relay satellite is a geosynchronous orbit satellite.

Optionally, the translation point of the earth and the moon gravitational system sets the second-level relay satellite on the regional orbit, wherein the translation point is the fourth point, the fifth point, and the second point of the earth-moon Lagrangian; The second-level relay satellite on the regional orbit set by the translation point of the solar gravitational system, where the translation point is the first point and the second point of the Earth-sun Lagrangian; the satellite orbit is near each translation point Halo track.

Optionally, the translation point of the earth and the sun gravitational system sets the third-level relay satellite on the regional orbit, wherein the translation point is the fourth point and the fifth point of the earth-sun Lagrangian; the halo around the earth ( halo) orbit is a satellite orbit in which the halo orbit radius is less than 0.2 times the distance between the sun and the earth (0.2AU), and the halo orbit plane is not parallel to the ecliptic plane.

Another aspect of the present disclosure proposes a computer device, including a memory and a processor. The memory stores a computer program that can run on the processor. It is characterized in that, when the processor executes the computer program, the above-mentioned multi-stage relay satellite is realized. The steps of the method of interplanetary navigation.

Optionally, the satellite navigation signals calculated and processed by the computing equipment are transmitted to relay satellites and interplanetary satellites at all levels through the ground station, and the ephemeris data of relay satellites and interplanetary satellites at all levels are transmitted to the ground station through satellite communication components , the ephemeris data received by the ground station is calculated and processed by the computing device.

Optionally, the satellite navigation signals calculated and processed by the computing equipment are transmitted to the relay satellites and interplanetary satellites at all levels through the satellite communication components, and the relay satellite ephemeris and interplanetary satellite ephemeris data at all levels are transmitted to all levels through the satellite communication components Relay satellites and interplanetary satellites are launched, and the ephemeris data received by satellites is calculated and processed by computing equipment.

Beneficial effect:

The disclosure proposes a method for interplanetary navigation of a multi-level relay satellite constellation. The method sets up regional orbits by selecting translation points between various systems of the solar system, and establishes multi-level relay satellites to form a navigation and positioning constellation. The orbits of the relay satellites are mutually determined among the multi-level relay satellite constellations, and then the navigation and positioning of the interplanetary deep space exploration satellites are realized through the multi-level relay satellites. This method builds a relatively stable navigation and positioning constellation based on the orbit of the region set by the translation point, and uses fewer satellites to realize interplanetary exploration satellite navigation from the earth to the sun, which can greatly save time and investment.

Description of drawings

FIG. 1A shows a schematic diagram of a first-stage relay satellite constellation.

FIG. 1B shows a schematic diagram of a second-level relay satellite constellation.

FIG. 1C shows a schematic diagram of a third-level relay satellite constellation.

Fig. 2 schematically shows a flowchart of a navigation method in an embodiment of the present disclosure.

Fig. 3 schematically shows a block diagram of a computer device according to another embodiment of the present disclosure.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific details and with reference to the accompanying drawings.

The navigation and positioning of interplanetary probes is one of the key technologies for deep space exploration. At present, there is no method suitable for deploying multi-level relay satellites between the earth and the sun to realize interplanetary satellite navigation and positioning. Based on this, the present disclosure provides a method for interplanetary satellite navigation.

FIG. 1 shows a schematic diagram of a system for realizing the method for multi-level relay satellite interplanetary navigation of the present disclosure. As shown in FIG. 1 , the system for multi-level relay satellite interplanetary navigation includes a three-level relay satellite constellation. As shown in Figure 1A, the earth orbit satellites form the first-level relay satellite constellation, and the first-level relay satellites are geosynchronous orbit satellites. As shown in Figure 1B, the satellites on the regional orbit set by the translation point of the earth and the moon's gravitational system and the satellites on the orbit set by the fixed point of the earth's gravitational system and the sun form the second-level relay satellite constellation. The following satellite part is located in the halo orbit near the translation point of the earth and moon gravitational system, and the translation point is the fourth point, the fifth point and the second point of the earth-moon Lagrangian. The second-stage relay satellite part is located in the halo orbit near the translation point of the earth and the sun gravitational system, and the translation point is the first point and the second point of the earth-sun Lagrangian. As shown in Figure 1C, the satellites on the orbit set by the translation point of the earth and the sun’s gravitational system and the satellites in the halo orbit around the earth form the third-level relay satellite constellation, and the third-level relay satellites are partly located between the earth and the earth. On the halo (halo) orbit of the area where the translation point of the solar gravitational system is set, the translation point is the fourth point and the fifth point of the Earth-sun Lagrange, and the third-stage relay satellite part is located in the halo around the earth ( halo) orbit is an orbit with a halo orbit radius less than 0.2 times the distance between the sun and the earth (0.2AU), and preferably the halo orbit plane is perpendicular to the ecliptic plane.

Fig. 2 schematically shows a flowchart of a navigation method in an embodiment of the present disclosure. As shown in Figure 2, the method of using multi-level relay satellites to realize interplanetary satellite navigation and positioning includes:

The satellite ground station determines the orbit of the first-level relay satellite; the first-level relay satellite determines the orbit of the second-level relay satellite; the second-level relay satellite determines the orbit of the third-level relay satellite; the third-level relay satellite The satellite determines the orbit of the second-level relay satellite, and the second-level relay satellite determines the orbit of the first-level relay satellite; the first, second, and third-level relay satellites navigate and position interplanetary satellites.

Fig. 3 schematically shows a block diagram of a computer device adapted to implement the above-described method for interplanetary navigation of a multi-level relay satellite constellation according to an embodiment of the present disclosure. Those skilled in the art can understand that the structure shown in FIG. 3 is only a block diagram of a partial structure related to the embodiment of the present disclosure, and does not constitute a limitation to the computer equipment on which the embodiment of the present disclosure is applied. A specific computer Devices may include more or fewer components than shown in the figures, or combine certain components, or have a different arrangement of components.

As shown in FIG. 3 , the computer device 300 includes a memory 310 and a processor 320 . The computer device 300 can execute the method according to the embodiment of the present disclosure.

Specifically, the processor 320 may include, for example, a general-purpose microprocessor, an instruction set processor and/or a related chipset and/or a special-purpose microprocessor (eg, an application-specific integrated circuit (ASIC)), and the like. Processor 320 may also include on-board memory for caching purposes. The processor 320 may be a single processing unit or a plurality of processing units for performing different actions of the method flow according to the embodiments of the present disclosure.

The memory 310 of the computer equipment, for example, can be a non-volatile computer-readable storage medium, and specific examples include but are not limited to: magnetic storage devices, such as magnetic tape or hard disk (HDD); optical storage devices, such as compact discs (CD-ROM) ; memory, such as random access memory (RAM) or flash memory; and the like.

The memory 310 may include a computer program 311 which may include code/computer-executable instructions which when executed by the processor 320 cause the processor 320 to perform a method according to an embodiment of the present disclosure or any variation thereof.

The computer program 311 may be configured to have, for example, computer program codes including computer program modules. For example, in an example embodiment, the code in the computer program 311 may include one or more program modules, such as including 311A, module 311B, . . . . It should be noted that the division method and number of modules are not fixed, and those skilled in the art can use appropriate program modules or program module combinations according to actual conditions. When these program module combinations are executed by the processor 320, the processor 320 can A method according to an embodiment of the present disclosure or any variation thereof is performed.

The present disclosure also provides a computer-readable storage medium. The computer-readable storage medium may be included in the device/apparatus/system described in the above embodiments; it may also exist independently without being assembled into the device/system device/system. The above-mentioned computer-readable storage medium carries one or more programs, and when the above-mentioned one or more programs are executed, the method according to the embodiment of the present disclosure is realized.

According to an embodiment of the present disclosure, the computer-readable storage medium may be a non-volatile computer-readable storage medium, such as may include but not limited to: portable computer disk, hard disk, random access memory (RAM), read-only memory (ROM) , erasable programmable read-only memory (EPROM or flash memory), portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In the present disclosure, a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or portion of code that includes one or more logical functions for implementing specified executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. It should also be noted that each block in the block diagrams or flowchart illustrations, and combinations of blocks in the block diagrams or flowchart illustrations, can be implemented by a dedicated hardware-based system that performs the specified function or operation, or can be implemented by a A combination of dedicated hardware and computer instructions.

The above embodiments are only descriptions of preferred implementations of the present disclosure, and are not intended to limit the scope of the present disclosure. Without departing from the design spirit of the present disclosure, those skilled in the art may make various modifications and changes to the technical solutions of the present disclosure. All improvements should fall within the protection scope determined by the claims of the present disclosure.

Claims (8)

1. A method for multi-stage relay satellite constellation interplanetary navigation, the steps comprising: 1) Deploy multiple earth-orbiting satellites to form the first-level relay satellite constellation; deploy multiple satellites in the setting area for the translation point of the earth and the moon's gravitational system and the setting area for the translation point of the earth's gravitational system to form the second-level medium Subsequent satellite constellation; multiple satellites are arranged in the set area of the translation point of the earth and the sun's gravitational system and the halo orbit around the earth to form a third-level relay satellite constellation; each level of relay satellite constellation includes at least four satellites; 2) The satellite ground station determines the orbit of the first-level relay satellite, the first-level relay satellite receives the measurement data of the second-level relay satellite, and uses the on-board calculation component to calculate the orbit of the second-level relay satellite. Following the orbit determination of the satellite, the second-level relay satellite receives the measurement data of the third-level relay satellite, and determines the orbit of the third-level relay satellite through the on-board computing component; after the interplanetary satellite is launched from the earth , when reaching the coverage area of the first-level relay satellite, receive the navigation signal of the first-level relay satellite, and use the first-level relay satellite to locate and navigate the interplanetary satellite entering its coverage area; When the interstellar satellite reaches the coverage of the second-level relay satellite, it receives the navigation signal of the second-level relay satellite, and uses the second-level relay satellite to perform positioning and navigation for the interstellar satellite entering its coverage; when the When the interplanetary satellite reaches the coverage area of the third-level relay satellite, it receives the navigation signal of the third-level relay satellite, and uses the third-level relay satellite to perform positioning and navigation for the interstellar satellite entering its coverage area; all levels The relay satellite communication data and the communication data of the interplanetary satellite are communicated with the satellite ground station or with relay satellites of all levels through the satellite communication unit. 2. The method according to claim 1, wherein the satellites forming the first-level relay satellite constellation are satellites in geosynchronous orbit. 3. The method according to claim 1, characterized in that, the translation points of the earth and moon gravitational system for laying out the second-stage relay satellite are the fourth point and the fifth point of the earth-moon Lagrangian , the second point; the translation point of the earth and sun gravitational system used to deploy the second-level relay satellite is the first point and the second point of the Earth-Sun Lagrangian; the orbit of the second-level relay satellite is selected from The fourth point, the fifth point, and the second point of the earth-moon Lagrangian, the first point and the second point of the earth-sun Lagrangian are the halo orbits of the setting area. 4. The method according to claim 1, characterized in that, the translation point of the earth and the sun gravitational system for laying out the third-level relay satellite is the earth-sun Lagrangian fourth point, the fifth point; A satellite orbit whose halo orbit radius around the earth is less than 0.2 times the distance between the sun and the earth, and whose halo orbit plane is not parallel to the ecliptic plane. 5. The method according to claim 1, wherein the relay satellites of each stage generate the ephemeris data and the navigation signals of the interplanetary satellites. 6. The method according to claim 1, wherein when the first-level relay satellite cannot communicate with the satellite ground station, the second-level relay satellite constellation is used for the ephemeris data of the second-level relay satellite constellation. Determining the orbit of the first-level relay satellite, determining the orbit of the second-level relay satellite according to the ephemeris data of the third-level relay satellite; Determining the orbit of the relay satellite, determining the orbit of the third-level relay satellite according to the ephemeris data of the second-level relay satellite. 7. A system for interplanetary navigation of a multi-level relay satellite constellation, characterized in that it includes a satellite ground station and a three-level relay satellite constellation, and each level of relay satellite constellation includes at least four satellites; wherein, The first-stage relay satellite constellation consists of multiple Earth-orbiting satellites; The second-level relay satellite constellation is composed of multiple satellites arranged in the setting area of the translation point of the earth and the moon gravitational system and the setting area of the translation point of the earth and sun gravitational system; The third-level relay satellite constellation is composed of a set area of the translation point of the earth and the sun's gravitational system and multiple satellites arranged in halo orbits around the earth; The satellite ground station is used to determine the orbit of the first-stage relay satellite; the first-stage relay satellite is used to determine the orbit of the second-stage relay satellite through the on-board calculation component according to the received measurement data of the second-stage relay satellite. Orbit determination of the relay satellite; the second-level relay satellite is used to determine the orbit of the third-level relay satellite through the on-board calculation component according to the received measurement data of the third-level relay satellite; the third-level relay satellite The satellite is used to determine the orbit of the second-level relay satellite through the on-board calculation component according to the received measurement data of the second-level relay satellite, and the second-level relay satellite is used to determine the orbit of the second-level relay satellite according to the received first-level relay satellite. The measurement data of the first-level relay satellites is used to determine the orbit of the first-level relay satellites through the on-board computing components; the first, second, and third-level relay satellites are used to navigate and position interplanetary satellites entering their coverage areas. 8. A computer device, comprising a memory and a processor, the memory is stored with a computer program that can run on the processor, it is characterized in that, when the processor executes the computer program, the method according to any one of claims 1 to 6 is implemented A step of.

Images