CN112124640B - High-value space facility autonomous survival method and system based on multi-element situation perception - Google Patents
High-value space facility autonomous survival method and system based on multi-element situation perception Download PDFInfo
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- CN112124640B CN112124640B CN202011045122.4A CN202011045122A CN112124640B CN 112124640 B CN112124640 B CN 112124640B CN 202011045122 A CN202011045122 A CN 202011045122A CN 112124640 B CN112124640 B CN 112124640B
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- B64—AIRCRAFT; AVIATION; COSMONAUTICS
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Abstract
The invention provides a high-value space facility autonomous survival method and system based on multi-element situation awareness, wherein a plurality of navigation satellites detect a target without prior information in real time to sense the situation of space fragments and non-cooperative targets to acquire situation awareness information, inter-satellite transmission of the situation awareness information is performed through inter-satellite links, and the situation awareness information is sent to a ground-based space monitoring system through the inter-satellite links; the ground space monitoring system forms early warning information according to the situation perception information, and the operation control system sends the early warning information to the navigation satellite; a heaven-earth integrated information network is constructed through an inter-satellite link and a satellite-earth link so as to realize end-to-end information sharing between any two points at any time in any environment; the navigation satellite enhances the reliability and survival ability of situation awareness information to resist attacks of enemies through a heaven-earth integrated information network; and after the navigation satellite receives the early warning information, electromagnetic radiation shielding and disguising are carried out so as to improve the survival capability and the maneuvering capability of the navigation satellite.
Description
Technical Field
The invention relates to the technical field of spacecraft autonomous countermeasure, in particular to a high-value space facility autonomous survival method and system based on multi-element situation perception.
Background
The spatial situation perception refers to the understanding and perception of all events, threats, activities occurring in the space and the current states of various spatial systems, so that command decisions and operating personnel can acquire and maintain the spatial advantages in a violent space game. In a broad sense, ballistic missiles, high and low orbit working satellites, abandoned satellites, space debris, various micro-satellites in the near-earth space and the like which temporarily fly through the space are all objects for sensing the spatial situation.
The navigation satellite is used as a high-value space facility, runs in the middle and high orbits of the near-earth space, is not easily attacked by ground guided weapons and high-energy weapons, but is not prevented from being invaded and attacked by space fragments or space-based anti-satellite weapons. The navigation system has the characteristics of channel disclosure, information format disclosure, signal frequency disclosure, coding mode disclosure and the like, and is extremely easy to be attacked in various types while having strong navigation position service capability. In order to improve the viability of the navigation system, it is necessary to improve the defense capability of the navigation satellite, and effectively resist and resolve potential malicious interference and damage, thereby ensuring accurate and reliable navigation positioning service capability.
With the complex situation of international battles, the 'clean soil' of twenty thousand kilometers above the ground which should be calm originally also increasingly appears as the shadow of military disputes in the big country. The united states army in 1997 proposed the concept of spatial confrontation, which was defined as: the enemy is prevented from using the satellite navigation information, the own party and the allied troops can effectively utilize the satellite navigation information, and simultaneously, the satellite navigation information is not influenced in areas outside the war zone and is utilized peacefully. At present, a space monitoring system, namely a space monitoring network, which consists of three types of detectors which are special, dual-purpose and available is formed in the United states; most of domestic researches aim at monitoring space-based and foundation targets, monitored data are not effectively collected to a uniform platform for uniform management, and the method is applied to autonomous survival of space facilities. Therefore, the situation awareness-based high-value space facility autonomous countermeasure technology has become an important direction for the development of the aerospace field in recent years.
Disclosure of Invention
The invention aims to provide a high-value space facility autonomous survival method and system based on multivariate situation awareness, and the method and system are used for solving the problem that an existing navigation satellite is very easy to be attacked by space debris or space-based anti-satellite weapons.
In order to solve the technical problem, the invention provides a high-value space facility autonomous survival method based on multivariate situational awareness, which comprises the following steps:
the navigation satellites detect the targets without prior information in real time through the wide-field photoelectric detection load and the high-detection-sensitivity electromagnetic environment monitoring load so as to sense the situation of space fragments and non-cooperative targets and acquire situation sensing information;
the navigation satellites transmit the situation awareness information among the satellites through inter-satellite links;
the navigation satellites transmit the situation awareness information to a ground-based space monitoring system through satellite-ground links;
the ground space monitoring system forms early warning information according to the situation perception information and sends the early warning information to a running control system;
the operation control system sends the early warning information to the navigation satellite;
a plurality of navigation satellites construct a space-ground integrated information network through the inter-satellite links and the satellite-ground links so as to realize end-to-end information sharing in any environment, at any time and between any two points;
the navigation satellite enhances the reliability and survival ability of the situation awareness information to resist attacks of enemies through a heaven-earth integrated information network;
and after receiving the early warning information, the navigation satellite performs electromagnetic radiation shielding and disguising so as to improve the survival capability and the maneuvering capability of the navigation satellite.
Optionally, in the method for autonomous survival of a high-value space facility based on multi-element situation awareness, the method further includes:
the navigation satellite combines the space target and the electromagnetic environment monitoring capability to construct a satellite-borne intelligent multi-element situation perception data processing system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires situation awareness information detected by the photoelectric detection load and the electromagnetic environment monitoring load;
the satellite-borne intelligent multi-element situation awareness data processing system acquires ground support data and early warning information of the ground space monitoring system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires multi-satellite monitoring data and situation awareness information sent by other navigation satellites;
the satellite-borne intelligent multi-element situation awareness data processing system forms heaven and earth mass data according to situation awareness information, ground support data, early warning information and multi-satellite monitoring data;
the space-borne intelligent multi-element situation awareness data processing system analyzes the heaven and earth mass data, predicts the tracks of the space fragments and the non-cooperative targets, identifies the surface characteristics of the space fragments and the non-cooperative targets, autonomously determines the threat levels of the space fragments and the non-cooperative targets, generates and broadcasts early warning information, generates an avoidance strategy and controls a space-borne high-thrust engine to maneuver and avoid.
Optionally, in the method for autonomous survival of a high-value space facility based on multi-element situation awareness, the method further includes:
the satellite-borne intelligent multi-element situation awareness data processing system analyzes electromagnetic interference from the ground and the space according to the multi-satellite monitoring data, autonomously determines interference characteristics, positions interference source positions, generates and broadcasts relevant information, autonomously generates an anti-interference coping strategy and implements the anti-interference coping strategy.
Optionally, in the method for autonomous survival of a high-value space facility based on multi-element situation awareness, the method further includes:
the photoelectric detection load detects visible light, infrared, multispectral and hyperspectral to provide meter-level observation and an optical space target;
and a phased array radar is arranged on the navigation satellite, and is used for early warning a non-cooperative target, searching, capturing and tracking the non-cooperative target, providing accurate target orbit and characteristic data, and early warning when the navigation satellite is threatened.
Optionally, in the method for autonomous survival of a high-value space facility based on multi-element situation awareness, the method further includes:
a rapid attack identification detection and report system is established on the navigation satellite so as to carry out planet-ground combined interference detection and interference protection;
the rapid attack identification detection and report system is provided with an electromagnetic environment monitoring load and a high-speed information processing network;
the electromagnetic environment monitoring load detects a low-orbit non-cooperative target, and when a navigation satellite receives an interference signal of the non-cooperative target, the electromagnetic environment monitoring load monitors the frequency and the power of the interference signal, evaluates the interference signal and provides early warning information for the navigation satellite and a ground space monitoring system;
the high-speed information processing network is provided with a Space wire high-speed bus to carry out real-time propagation of the situation awareness information and enable the navigation satellite to have the rapid coordination capability with the ground monitoring system;
the rapid attack recognition detection and report system can cope with electromagnetic monitoring and target positioning under different interference environments through the on-rail reconstruction function.
Optionally, in the method for autonomous survival of a high-value space facility based on multi-element situation awareness, the method further includes:
a high-speed data transmission network, a high-efficiency intra-satellite transmission protocol and a high-efficiency inter-satellite transmission protocol are installed on the navigation satellite, so that situation awareness information is transmitted among satellites at high speed, and timely transmission of situation awareness information of any network node in the satellite and between the satellites is completed;
the navigation satellites on different orbits are utilized to carry out multiple coverage, a large amount of monitoring target and background characteristic measurement data are rapidly transmitted to the ground space monitoring system in real time, unified scheduling and commanding are carried out, and response is made to possible threats.
Optionally, in the method for autonomous survival of high-value space facilities based on multi-element situation awareness,
and the ground space monitoring system catalogues and analyzes the situation awareness information to form early warning information.
The invention also provides a high-value space facility autonomous survival system based on multi-element situation perception, which comprises:
the navigation satellites are configured to detect the targets without prior information in real time through the wide-field photoelectric detection loads and the high-detection-sensitivity electromagnetic environment monitoring loads so as to sense the situation of the space debris and the non-cooperative targets and acquire situation sensing information;
a plurality of the navigation satellites, further configured to perform inter-satellite communication of the situational awareness information over inter-satellite links;
a plurality of the navigation satellites further configured to transmit the situational awareness information to a ground-based spatial monitoring system over a satellite-to-ground link;
the ground space monitoring system is configured to form early warning information according to the situation awareness information and send the early warning information to an operation control system;
the operation control system is configured to send the early warning information to the navigation satellite;
the plurality of navigation satellites are further configured to construct a space-ground integrated information network through the inter-satellite links and the satellite-ground links so as to achieve end-to-end information sharing in any environment, at any moment and between any two points;
the navigation satellite is further configured to enhance the reliability and survival capability of the situation awareness information against attacks of enemies through a heaven-earth integrated information network;
and the navigation satellite is also configured to shield and disguise electromagnetic radiation after receiving the early warning information so as to improve the survival capability and maneuvering capability of the navigation satellite.
In the high-value space facility autonomous survival method and system based on multi-situation awareness, provided by the invention, a navigation satellite has the capacity of carrying out systematic and continuous monitoring and information collection on a space target or an electromagnetic interference source, data of a multi-attribute, multi-time-period and multi-observation source of the target, even a ground system are integrated, the position, the speed, the temperature field, the size, the shape, the surface characteristic and the like of the target are identified through onboard autonomous data processing, the generated early warning information is broadcasted to the ground system and other satellites through satellite-to-ground and inter-satellite links, the target threat level is autonomously determined, and further relevant evasion and equal-phase anti-interference strategies are generated to mobilize onboard resource implementation.
Drawings
FIG. 1 is a schematic view of a navigation satellite space-ground integration system based on multi-element situation awareness according to an embodiment of the present invention;
fig. 2 is a schematic view of an intra-satellite navigation satellite based on multivariate situational awareness according to an embodiment of the present invention.
Detailed Description
The high-value space facility autonomous survival method and system based on multivariate situation awareness provided by the invention are further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Furthermore, features from different embodiments of the invention may be combined with each other, unless otherwise indicated. For example, a feature of the second embodiment may be substituted for a corresponding or functionally equivalent or similar feature of the first embodiment, and the resulting embodiments are likewise within the scope of the disclosure or recitation of the present application.
The core idea of the invention is to provide a high-value space facility autonomous survival method and system based on multivariate situation awareness, so as to solve the problem that the existing navigation satellite is very easy to be attacked by space debris or space-based anti-satellite weapons.
At present, close space non-cooperative targets are one of the major security threats for high-value space facilities such as navigation satellites, including controlled aircraft, micrometeors, space debris, and kinetic weapons launched by aircraft. For these security threats, the current design of navigation satellites has the disadvantages that:
lack of early warning of non-cooperative targets; if the approaching non-cooperative target is an artificial aircraft, the approaching non-cooperative target generally has a regular shape, a regular trackable characteristic and certain maneuverability; working and heat dissipation of an electronic device inside the infrared sensor lead the surface of the infrared sensor to have certain infrared characteristics; maintaining mobility of the propulsion system so that the propulsion system has certain wake and infrared characteristics; although small and miniature designs are made, their size is at least above cubic decimeters. These features, within hundreds of kilometers of the navigation satellite, may be captured by satellite-borne optical or microwave radar equipment, but currently, navigation satellites do not have the ability to recognize their shape, surface state, temperature field, etc., and to aggregate these features for transmission to a ground-based monitoring system.
Lack of ability to circumvent kinetic weapons; an enemy aircraft which is close to a satellite can possibly launch a cold weapon with a certain speed, and can kill a navigation satellite by means of high-speed impact, and has the characteristics of small volume and unobvious infrared characteristics like a micrometeor. The orbit has obvious orientation characteristic, and the material is composed of metal with high probability. For the current navigation satellite, the radar equipment which cannot identify the threat in time is used for reconnaissance and early warning, and the instantaneous high-thrust orbital transfer device is not configured, so that enough maneuvering capability is provided to avoid the threat coming at a flying speed.
The response to electromagnetic interference is insufficient; at present, the navigation satellite relates to a miniaturized and mature product for electromagnetic environment monitoring of a frequency band. However, the current navigation satellite does not have a technology for autonomously processing multi-satellite detection data to form a positioning result for being called by adjacent satellite equipment, and also does not have countermeasures for autonomously generating corresponding anti-interference, such as closing an interfered channel, autonomously entering an autonomous operation mode by the satellite, changing a communication frequency point and the like, so as to ensure that high-quality navigation service can still be provided during the interfered period.
The problem to be solved by the invention is to overcome the defects of the prior art, and provide a next generation navigation satellite which has the capability of carrying out systematic and continuous monitoring and information collection on a space target or an electromagnetic interference source, integrates data of multiple attributes, multiple time periods, multiple observation sources and even a ground system of the target, identifies the position, the speed, the temperature field, the size, the shape, the surface characteristic and the like of the target through autonomous data processing on the satellite, broadcasts generated early warning information to the ground system and other satellites through links between the satellite and the earth, autonomously determines the threat level of the target, further generates related strategies of evasion, interference resistance and the like, and mobilizes the implementation of resources on the satellite.
In order to realize the thought, the invention provides a high-value space facility autonomous survival method based on multi-element situation perception, which comprises the following steps: as shown in fig. 1, a plurality of navigation satellites detect a target without prior information in real time through a wide-field photoelectric detection load and a high-detection-sensitivity electromagnetic environment monitoring load, so as to perform situation awareness on space debris and a non-cooperative target and acquire situation awareness information; the navigation satellites transmit the situation awareness information among the satellites through inter-satellite links; the navigation satellites transmit the situation awareness information to a ground-based space monitoring system through satellite-ground links; the ground space monitoring system forms early warning information according to the situation perception information and sends the early warning information to a running control system; the operation control system sends the early warning information to the navigation satellite; a plurality of navigation satellites construct a space-ground integrated information network through the inter-satellite links and the satellite-ground links so as to realize end-to-end information sharing in any environment, at any time and between any two points; the navigation satellite enhances the reliability and survival ability of the situation awareness information to resist attacks of enemies through a heaven-earth integrated information network; and after receiving the early warning information, the navigation satellite performs electromagnetic radiation shielding and disguising so as to improve the survival capability and the maneuvering capability of the navigation satellite.
Aiming at the threat of international space countermeasure, the navigation satellite needs to research an autonomous survival technology based on multi-element situation perception, and the design scheme of the technology can be divided into two types from the aspect of safety protection modes: passive and active. Passive protection is to protect against hostile attacks by enhancing the reliability of navigation satellites and the survivability of the information provided. Passive protection may take measures including improving the survivability and satellite mobility of satellite devices, shielding against electromagnetic radiation, and camouflage. On the initiative side, the system is required to have the capability of detecting, tracking, identifying, intercepting and destroying the attack force of the other side.
As the basis of spatial situation perception, a navigation satellite can construct a space-ground integrated information network through inter-satellite and satellite-ground links so as to realize end-to-end communication and information sharing between any two points in any environment and at any time. The navigation satellite is provided with a wide-field photoelectric detection load and a high-detection-sensitivity electromagnetic monitoring load to detect the target without prior information in time; the high-speed and low-speed buses are utilized to realize the rapid receiving and sending of situation perception information between the satellite and the ground and the real-time transmission of in-satellite perception information, the information is rapidly transmitted to the ground through an inter-satellite link or a satellite-ground link for cataloguing, the target is analyzed cooperatively, the early warning information is formed by the rapid servo response capability, the ground uplink real-time warning is realized, and the autonomous survival capability of the satellite is improved.
In an embodiment of the present invention, the method for autonomous survival of high-value space facilities based on multivariate situation awareness further includes: the navigation satellite combines the space target and the electromagnetic environment monitoring capability to construct a satellite-borne intelligent multi-element situation perception data processing system; the satellite-borne intelligent multi-element situation awareness data processing system acquires situation awareness information detected by the photoelectric detection load and the electromagnetic environment monitoring load; the satellite-borne intelligent multi-element situation awareness data processing system acquires ground support data and early warning information of the ground space monitoring system; the satellite-borne intelligent multi-element situation awareness data processing system acquires multi-satellite monitoring data and situation awareness information sent by other navigation satellites; the satellite-borne intelligent multi-element situation awareness data processing system forms heaven and earth mass data according to situation awareness information, ground support data, early warning information and multi-satellite monitoring data; the space-borne intelligent multi-element situation awareness data processing system analyzes the heaven and earth mass data, predicts the tracks of the space fragments and the non-cooperative targets, identifies the surface characteristics of the space fragments and the non-cooperative targets, autonomously determines the threat levels of the space fragments and the non-cooperative targets, generates and broadcasts early warning information, generates an avoidance strategy and controls a space-borne high-thrust engine to maneuver and avoid.
In an embodiment of the present invention, the method for autonomous survival of high-value space facilities based on multivariate situation awareness further includes: the satellite-borne intelligent multi-element situation awareness data processing system analyzes electromagnetic interference from the ground and the space according to the multi-satellite monitoring data, autonomously determines interference characteristics, positions interference source positions, generates and broadcasts relevant information, autonomously generates an anti-interference coping strategy and implements the anti-interference coping strategy.
The navigation satellite can combine the current space target, the technical capability of electromagnetic environment monitoring and the development trend of a plurality of years in the future to construct a satellite-borne intelligent multi-element situation perception data processing system based on a ground system and a navigation satellite constellation support. The system comprises a photoelectric detection load and an electromagnetic environment monitoring load, has the capacity of predicting a space non-cooperative target track and identifying the surface characteristics of the space non-cooperative target track through processing and analyzing heaven and earth mass data, can autonomously determine the threat level of the space non-cooperative target track, further generates and broadcasts early warning information, generates an avoidance strategy, and utilizes a satellite-borne high-thrust engine to maneuver and avoid; for electromagnetic interference from the ground and the space, the data processing system autonomously determines interference characteristics according to multi-satellite monitoring data, positions the position of an interference source, generates and broadcasts relevant information, autonomously generates an anti-interference coping strategy and implements the anti-interference coping strategy.
The main means for the navigation satellite to acquire situation awareness information to realize autonomous survival are as follows:
photoelectric detection and reconnaissance technology: a photoelectric detection load (for detecting visible light, infrared, multispectral and hyperspectral) is arranged on the navigation satellite and used for providing meter-level observation and optical space targets and generating identification data in time; the method comprises the following steps of installing a phased array radar for early warning of non-friend targets, searching, capturing and tracking the targets, providing accurate target orbit and characteristic data, and early warning when a satellite system is threatened; and an engine with high thrust is configured, and measures are flexibly taken to avoid the threat according to the type and the danger degree of the threat.
The satellite-ground combined interference detection and protection technology comprises the following steps: a rapid attack identification detection and report system is established on the navigation satellite, and the system is provided with an electromagnetic environment monitoring load and a high-speed information processing network. The electromagnetic environment monitoring load is used for detecting a low-orbit non-friend target, when a navigation satellite is maliciously invaded by an enemy, parameters such as frequency and power of an interference signal can be monitored, attack warning, threat identification and characterization are provided, attack is quickly evaluated, early warning information is provided for ground station workers, the ground station is assisted to better operate and interpret data downloaded from the satellite, and therefore whether the satellite is attacked or affected by a space environment is determined, and a decision is made; the high-speed information processing network is provided with a Space wire high-speed bus for sensing real-time transmission of information and enabling the navigation satellite to have the capability of fast cooperative work with the foundation monitoring system; in addition, the rapid attack identification detection and reporting system also has an on-track reconstruction function so as to cope with electromagnetic monitoring and target positioning under different interference environments.
The situation awareness information inter-satellite high-speed mutual transmission technology comprises the following steps: as shown in fig. 2, a high-speed data transmission network and a high-efficiency intra-satellite and inter-satellite transmission protocol are designed on the navigation satellite, so that the sensing data of any network node in the intra-satellite and the inter-satellite can be timely and effectively transmitted, multiple coverage is realized by using satellites on different orbits, a large amount of monitoring target and background characteristic measurement data are rapidly transmitted to a ground space monitoring system in real time, uniform scheduling and commanding are performed, and timely and effective response is made to possible threats.
The invention provides a situation awareness-based high-value space facility autonomous survival technology, which comprises the following steps: installing a photoelectric detection load and a phased array radar on a navigation satellite for detecting a non-friend target and early warning of a missile; an engine with high thrust is installed on a navigation satellite, and the threat level is distinguished according to satellite-ground combined detection data, so that effective avoidance is carried out; a rapid attack identification detection and report system is established on a navigation satellite, can be used for detecting space electromagnetic interference, and determines whether the satellite is attacked or influenced by the space environment in cooperation with the ground, so as to make a decision; the rapid attack identification detection and report system established on the navigation satellite has the capability of on-orbit reconstruction so as to deal with electromagnetic monitoring and target positioning under different interference environments; the navigation satellite gathers multi-satellite electromagnetic monitoring data through a high-speed data transmission network to form a positioning result, on the basis of having autonomous processing capacity, adjacent satellite equipment can be used, networked shared data are formed among satellites, and the shared data can be transmitted to the ground through a satellite-ground high-speed link to be uniformly scheduled and commanded on the ground.
In summary, the above embodiments have described in detail different configurations of the method and system for autonomous survival of high-value space facilities based on multi-situation awareness, but it is understood that the present invention is not limited to the configurations listed in the above embodiments, and any modifications based on the configurations provided by the above embodiments are within the scope of the present invention. One skilled in the art can take the contents of the above embodiments to take a counter-measure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (7)
1. A high-value space facility autonomous survival method based on multivariate situational awareness is characterized by comprising the following steps:
the navigation satellites detect the targets without prior information in real time through the wide-field photoelectric detection load and the high-detection-sensitivity electromagnetic environment monitoring load so as to sense the situation of space fragments and non-cooperative targets and acquire situation sensing information;
the navigation satellites transmit the situation awareness information among the satellites through inter-satellite links; and
the navigation satellites transmit the situation awareness information to a ground-based space monitoring system through satellite-ground links;
the ground space monitoring system forms early warning information according to the situation perception information and sends the early warning information to a running control system;
the operation control system sends the early warning information to the navigation satellite;
a plurality of navigation satellites construct a space-ground integrated information network through the inter-satellite links and the satellite-ground links so as to realize end-to-end information sharing in any environment, at any time and between any two points;
the navigation satellite enhances the reliability and survival ability of the situation awareness information to resist attacks of enemies through a heaven-earth integrated information network; and
after the navigation satellite receives the early warning information, electromagnetic radiation shielding and disguising are carried out so as to improve the survival capability and the maneuvering capability of the navigation satellite;
the navigation satellite combines the space target and the electromagnetic environment monitoring capability to construct a satellite-borne intelligent multi-element situation perception data processing system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires situation awareness information detected by the photoelectric detection load and the electromagnetic environment monitoring load;
the satellite-borne intelligent multi-element situation awareness data processing system acquires ground support data and early warning information of the ground space monitoring system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires multi-satellite monitoring data and situation awareness information sent by other navigation satellites;
the satellite-borne intelligent multi-element situation awareness data processing system forms heaven and earth mass data according to situation awareness information, ground support data, early warning information and multi-satellite monitoring data;
the space-borne intelligent multi-element situation awareness data processing system analyzes the heaven and earth mass data, predicts the tracks of the space fragments and the non-cooperative targets, identifies the surface characteristics of the space fragments and the non-cooperative targets, autonomously determines the threat levels of the space fragments and the non-cooperative targets, generates and broadcasts early warning information, generates an avoidance strategy and controls a space-borne high-thrust engine to maneuver and avoid.
2. The multi-situation awareness-based high-value space facility autonomous survival method of claim 1, further comprising:
the satellite-borne intelligent multi-element situation awareness data processing system analyzes electromagnetic interference from the ground and the space according to the multi-satellite monitoring data, autonomously determines interference characteristics, positions interference source positions, generates and broadcasts relevant information, autonomously generates an anti-interference coping strategy and implements the anti-interference coping strategy.
3. The multi-situation awareness-based high-value space facility autonomous survival method of claim 1, further comprising:
the photoelectric detection load detects visible light, infrared, multispectral and hyperspectral to provide meter-level observation and an optical space target;
and a phased array radar is arranged on the navigation satellite, and is used for early warning a non-cooperative target, searching, capturing and tracking the non-cooperative target, providing accurate target orbit and characteristic data, and early warning when the navigation satellite is threatened.
4. The multi-situation awareness-based high-value space facility autonomous survival method of claim 1, further comprising:
a rapid attack identification detection and report system is established on the navigation satellite so as to carry out planet-ground combined interference detection and interference protection;
the rapid attack identification detection and report system is provided with an electromagnetic environment monitoring load and a high-speed information processing network;
the electromagnetic environment monitoring load detects a low-orbit non-cooperative target, and when a navigation satellite receives an interference signal of the non-cooperative target, the electromagnetic environment monitoring load monitors the frequency and the power of the interference signal, evaluates the interference signal and provides early warning information for the navigation satellite and a ground space monitoring system;
the high-speed information processing network is provided with a Space wire high-speed bus to carry out real-time propagation of the situation awareness information and enable the navigation satellite to have the rapid coordination capability with the ground monitoring system;
the rapid attack recognition detection and report system can cope with electromagnetic monitoring and target positioning under different interference environments through the on-rail reconstruction function.
5. The multi-situation awareness-based high-value space facility autonomous survival method of claim 1, further comprising:
a high-speed data transmission network, a high-efficiency intra-satellite transmission protocol and a high-efficiency inter-satellite transmission protocol are installed on the navigation satellite, so that situation awareness information is transmitted among satellites at high speed, and timely transmission of situation awareness information of any network node in the satellite and between the satellites is completed;
the navigation satellites on different orbits are utilized to carry out multiple coverage, a large amount of monitoring target and background characteristic measurement data are rapidly transmitted to the ground space monitoring system in real time, unified scheduling and commanding are carried out, and response is made to possible threats.
6. The multi-situation awareness-based high-value space facility autonomous survival method of claim 1,
and the ground space monitoring system catalogues and analyzes the situation awareness information to form early warning information.
7. A high value space facility autonomous survival system based on multivariate situational awareness, comprising:
the navigation satellites are configured to detect the targets without prior information in real time through the wide-field photoelectric detection loads and the high-detection-sensitivity electromagnetic environment monitoring loads so as to sense the situation of the space debris and the non-cooperative targets and acquire situation sensing information;
a plurality of the navigation satellites, further configured to perform inter-satellite communication of the situational awareness information over inter-satellite links;
a plurality of the navigation satellites further configured to transmit the situational awareness information to a ground-based spatial monitoring system over a satellite-to-ground link;
the ground space monitoring system is configured to form early warning information according to the situation awareness information and send the early warning information to an operation control system;
the operation control system is configured to send the early warning information to the navigation satellite;
the plurality of navigation satellites are further configured to construct a space-ground integrated information network through the inter-satellite links and the satellite-ground links so as to achieve end-to-end information sharing in any environment, at any moment and between any two points;
the navigation satellite is further configured to enhance the reliability and survival capability of the situation awareness information against attacks of enemies through a heaven-earth integrated information network;
the navigation satellite is further configured to shield and disguise electromagnetic radiation after receiving the early warning information so as to improve the survival capability and maneuvering capability of the navigation satellite;
the navigation satellite combines the space target and the electromagnetic environment monitoring capability to construct a satellite-borne intelligent multi-element situation perception data processing system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires situation awareness information detected by the photoelectric detection load and the electromagnetic environment monitoring load;
the satellite-borne intelligent multi-element situation awareness data processing system acquires ground support data and early warning information of the ground space monitoring system;
the satellite-borne intelligent multi-element situation awareness data processing system acquires multi-satellite monitoring data and situation awareness information sent by other navigation satellites;
the satellite-borne intelligent multi-element situation awareness data processing system forms heaven and earth mass data according to situation awareness information, ground support data, early warning information and multi-satellite monitoring data;
the space-borne intelligent multi-element situation awareness data processing system analyzes the heaven and earth mass data, predicts the tracks of the space fragments and the non-cooperative targets, identifies the surface characteristics of the space fragments and the non-cooperative targets, autonomously determines the threat levels of the space fragments and the non-cooperative targets, generates and broadcasts early warning information, generates an avoidance strategy and controls a space-borne high-thrust engine to maneuver and avoid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210240934.7A CN114906353A (en) | 2020-09-29 | 2020-09-29 | Navigation satellite space situation perception method |
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