Space measurement and control ground station phased array beam resource scheduling architecture and method

Abstract

The invention discloses a spaceflight measurement and control ground station phased array beam resource scheduling architecture and method, and relates to the field of spacecraft measurement and control, and the architecture comprises a spaceflight measurement and control user demand center, a spaceflight measurement and control task scheduling center and a plurality of ground stations. The task scheduling center allocates measurement and control tasks to each station through a coarse-grained model; after receiving the tasks, the ground station performs fine-grained array conflict resolution and feeds back a result, and the center performs secondary scheduling according to the feedback until all the tasks are successful or processed according to rules. According to the method, two conflict judgment modes of a trajectory distance threshold model or a conflict resolution capability prediction model uploaded by a station end are supported, array surface resource dynamic sharing is realized, fixed beam number limitation is broken through, and the measurement and control efficiency and the cost-effectiveness ratio are improved.

Description

Technical Field

[0001] This invention relates to the field of spacecraft telemetry, tracking and command (TT&C), specifically to a phased array beam resource scheduling architecture and method for spacecraft TT&C ground stations. Background Technology

[0002] The statements in this section are provided only as background information in relation to this disclosure and may not constitute prior art.

[0003] In the field of aerospace telemetry, tracking, and command (TT&C), phased array beam resource scheduling is a crucial aspect of ensuring the smooth execution of space missions. Traditional scheduling methods allocate TT&C tasks based on a fixed number of beams generated by the phased array. For example, a certain phased array can generate a certain number of independent beams. During the assignment of telemetry and control tasks, the ground station may be considered by the dispatch center to be only capable of undertaking certain tasks. This mode of scheduling is relatively simple and can maintain basic operations when the number of spacecraft is limited. However, with the explosive growth in the number of spacecraft, especially low-Earth orbit satellites, its drawbacks have become increasingly prominent, severely restricting the improvement of space telemetry and control efficiency and effectiveness. Specifically, this manifests in the following ways: (1) Traditional scheduling methods result in limited array utilization: The beam resources of phased arrays have great potential. However, under the constraint of a fixed number of beams, only some array elements need to be activated to complete the telemetry and control task response. The remaining arrays cannot be effectively utilized due to the scheduling mechanism, resulting in a waste of telemetry and control resources. This not only reduces the efficiency of phased array equipment but also increases the execution cost of telemetry and control tasks.

[0004] (2) In recent years, active array conflict resolution technology has received widespread attention. This technology can alleviate the potential conflicts that may occur between active arrays corresponding to multiple telemetry and control tasks to a certain extent, enabling a single ground station phased array to support multiple telemetry and control tasks even when only one channel is activated. When the active arrays of multiple telemetry and control tasks do not conflict with each other, effective resource sharing can be achieved, significantly improving telemetry and control efficiency. However, the traditional scheduling method based on a fixed number of beams cannot fully realize the potential of active array conflict resolution technology.

[0005] In summary, it is necessary to study a new beam resource scheduling architecture, namely, a phased array beam resource scheduling architecture and method for aerospace telemetry and control ground stations, to fully integrate the advantages of existing technologies, break the limitations of the traditional fixed number of beams, and achieve dynamic and flexible scheduling of array resources. By comprehensively considering the characteristics of telemetry and control missions, the correlation between missions, the actual occupancy of array resources, and intelligent algorithms or advanced scheduling strategies, a beam optimization generation and allocation scheme can be achieved. Summary of the Invention

[0006] The purpose of this invention is to address the problems of limited telemetry and control efficiency, low cost-effectiveness, and inapplicability to emerging active array conflict resolution technologies to improve the multi-target capability of phased arrays across the entire space domain, resulting from traditional mission scheduling centers relying on fixed beam counts of phased arrays at ground stations for telemetry and control mission scheduling. This invention provides a phased array beam resource scheduling architecture and method for aerospace telemetry and control ground stations. Specifically, spacecraft telemetry and control requirements are collected by the aerospace telemetry and control user requirement center and sent to the aerospace telemetry and control mission scheduling center. The mission scheduling center performs model-based coarse-grained mission scheduling. The scheduling result must ensure that for a specific ground telemetry and control station, the number of telemetry and control missions received is not less than the number of amplitude- and phase-weighted channels integrated in its phased array, while simultaneously ensuring the smooth formation of response beams for each telemetry and control mission through active array conflict resolution technology. The ground telemetry and control station performs phased array beam resource scheduling based on the set of telemetry and control missions issued by the mission scheduling center and feeds back the phased array beam resource scheduling results to the scheduling center. The aerospace telemetry and control mission scheduling center performs secondary scheduling according to specific rules based on the feedback information from the ground telemetry and control station. Once all ground tracking and control stations report successful array resource scheduling, the mission scheduling center updates and generates a new scheduling plan. This beam resource scheduling framework, by introducing protocol feedback between ground tracking and control stations and the mission scheduling center, further improves the flexibility and efficiency of phased array beam resource scheduling. It overcomes the limitation in traditional beam resource scheduling where the number of tracking and control tasks a phased array can undertake is restricted by the number of amplitude-phase weighted channels, significantly improving the utilization efficiency of phased array resources and the multi-beam capabilities of ground tracking and control stations. It can support the intensive space tracking and control needs of future large-scale constellations and other emerging scenarios, thus solving the aforementioned problems.

[0007] The technical solution of the present invention is as follows: A phased array beam resource scheduling architecture for aerospace telemetry and control ground stations includes: The Spacecraft Measurement and Control User Request Center is used to collect the measurement and control requests of spacecraft and send them to the Spacecraft Measurement and Control Mission Scheduling Center. The aerospace telemetry and control mission scheduling center is used to centrally schedule telemetry and control requirements based on the phased array beam resource conflict detection model, generate mission scheduling results, and distribute them to various ground telemetry and control stations. Several ground tracking and control stations are used to perform local phased array resource scheduling based on mission scheduling results and to feed the scheduling results back to the aerospace tracking and control mission scheduling center. The task scheduling results ensure that the number of telemetry and control tasks received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station, and not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating array conflict resolution technology.

[0008] Furthermore, the phased array beam resource conflict detection model includes: Trajectory distance threshold detection model and / or conflict resolution capability prediction model; in: The trajectory distance threshold detection model is used to calculate the spatiotemporal overlap factor between any two trajectories based on the motion trajectories of different spacecraft within the same visible arc segment. When the spatiotemporal overlap factor is less than a preset threshold, it is determined that the active surface conflict cannot be resolved. When it is greater than or equal to the preset threshold, it is determined that the active surface conflict can be resolved. The conflict resolution capability prediction model is uploaded from the ground control station to the aerospace control mission scheduling center. It is used to predict the maximum number of beams that can be formed without conflict after the active array conflict resolution technology is applied to the input control mission set.

[0009] Furthermore, the preset threshold is determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station.

[0010] Furthermore, after receiving the scheduling results from all ground tracking and control stations, the aerospace telemetry and control mission scheduling center will perform a secondary scheduling process if there are any scheduling failures. The secondary scheduling process includes: Abandon the failed telemetry and control mission directly; Alternatively, adjust the preset threshold and re-execute centralized scheduling; Alternatively, failed scheduling tasks may be reassigned to reserved telemetry and control resources for beamforming.

[0011] Furthermore, the aerospace telemetry and control user demand center communicates with the aerospace telemetry and control mission scheduling center, as well as with the aerospace telemetry and control mission scheduling center and various ground telemetry and control stations, through high-speed data transmission links.

[0012] This invention also proposes a phased array beam resource scheduling method for aerospace telemetry and control ground stations, based on the aforementioned phased array beam resource scheduling architecture for aerospace telemetry and control ground stations, including: Step S1: The Space Telemetry and Control User Request Center collects the spacecraft's telemetry and control requirements and sends them to the Space Telemetry and Control Mission Scheduling Center in advance; Step S2: The aerospace telemetry and control mission scheduling center centrally schedules telemetry and control requirements based on the phased array beam resource conflict detection model and generates mission scheduling results; wherein the number of telemetry and control missions received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station, and is not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating the array conflict resolution technology. Step S3: The space tracking and control mission scheduling center distributes the mission scheduling results to various ground tracking and control stations; Step S4: The ground telemetry and control station performs local phased array resource scheduling based on the mission scheduling results, and keeps the active array conflict resolution technology in the enabled state during the scheduling process; Step S5: The ground control station sends feedback information on whether the scheduling was successful or failed to the aerospace tracking and control mission scheduling center; Step S6: After receiving all feedback information, if all scheduling is successful, the aerospace telemetry and control mission scheduling center will update and generate a telemetry and control mission scheduling plan; if there are any scheduling failures, a secondary scheduling process will be performed.

[0013] Furthermore, the phased array beam resource conflict detection model is a trajectory distance threshold detection model. The trajectory distance threshold detection model determines whether the active array conflict can be resolved by comparing the spatiotemporal overlap factor between any two spacecraft trajectories with a preset threshold.

[0014] Furthermore, the preset threshold is determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station.

[0015] Furthermore, the phased array beam resource conflict detection model is a conflict resolution capability prediction model. The conflict resolution capability prediction model is uploaded in advance by the ground control station to the aerospace control mission scheduling center. It is used to predict the maximum number of beams that can be formed without conflict after the activation array conflict resolution technology is applied to the input control mission set.

[0016] Furthermore, the secondary scheduling process includes: Abandon the failed telemetry and control mission directly; Alternatively, adjust the preset threshold and repeat steps S2 to S5; Alternatively, failed scheduling tasks may be reassigned to reserved telemetry and control resources for beamforming.

[0017] Compared with existing technologies, the advantages of this invention are: 1. The core components and business processes between the components of the proposed beam resource scheduling architecture are presented. In particular, a two-level iterative beam resource scheduling framework is proposed, consisting of coarse-grained task scheduling by the task scheduling center and fine-grained phased array beam resource scheduling by the ground telemetry and control station. This reduces the complexity of the beam resource scheduling problem and breaks through the limitation in the traditional beam resource scheduling framework that the number of telemetry and control tasks supported by the phased array does not exceed the number of amplitude and phase weighted channels integrated in its array elements.

[0018] 2. For two special scenarios where the spacecraft telemetry, tracking, and command (TT&C) mission scheduling center lacks information on the phased array conflict resolution capability of the ground TT&C station, two different technical approaches are proposed to ensure that the mission scheduling result output by the mission scheduling center is not less than the number of independent beams that the ground TT&C station can form, and does not exceed the maximum number of beams supported by the phased array conflict resolution technology. The two technical approaches are: adjusting the spatiotemporal overlap factor between any two spacecraft trajectories within the same visible arc segment, and the ground TT&C station uploading its own phased array conflict resolution capability prediction model to the mission scheduling center in advance. Attached Figure Description

[0019] Figure 1 A schematic diagram of the proposed phased array beam scheduling architecture and method for aerospace telemetry and control ground stations; Figure 2 This is the signaling flowchart corresponding to Specific Implementation Example 4; Figure 3 This is the signaling flowchart corresponding to Specific Implementation Example 5; Figure 4 This is a schematic diagram of the structure of an electronic device provided in an embodiment of the present invention. Detailed Implementation

[0020] It should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0021] The features and performance of the present invention will be further described in detail below with reference to embodiments.

[0022] Example 1 With the rapid deployment of large low-Earth orbit constellations, the number of spacecraft that a single ground control station needs to serve simultaneously has surged from single digits in the past to dozens or even hundreds. Traditional scheduling systems simplify the beam capability of phased arrays to a fixed constant of "amplitude-phase weighted channel number": if a station has M channels, the scheduling center rigidly stipulates that it can only accept a maximum of M telemetry and control tasks.

[0023] This approach was adequate when the number of satellites was small, but it has revealed two major bottlenecks in today's high-density mission scenarios: 1. Low array utilization rate - In most cases, only some array elements need to be activated to complete M tasks, while the rest of the array is forced to remain idle. 2. The advantages of "activation array conflict resolution technology" cannot be fully utilized. This new technology theoretically allows multiple beams to be formed simultaneously in non-overlapping subarray areas on the same array surface, thereby breaking through the physical upper limit of M. However, the traditional "fixed beam quota" mechanism has rendered it obsolete.

[0024] Therefore, this embodiment proposes a "coarse-fine two-level iterative" scheduling framework: the task scheduling center first performs coarse-grained allocation according to the principle of "≥ number of channels, ≤ upper limit of conflict resolution"; the ground station then performs fine-grained conflict resolution and beam generation based on the local array status, and realizes dynamic adjustment through feedback closed loop, thereby breaking the traditional constraint of "the number of channels is the upper limit" and significantly improving the utilization efficiency of telemetry and control resources.

[0025] In this embodiment, for details, please refer to... Figure 1 A phased array beam resource scheduling architecture for aerospace telemetry and control ground stations, specifically including: The Spacecraft Measurement and Control User Request Center is used to collect the measurement and control requests of spacecraft and send them to the Spacecraft Measurement and Control Mission Scheduling Center. The aerospace telemetry, tracking, and command (TT&C) mission scheduling center is used to centrally schedule TT&C requirements based on the phased array beam resource conflict detection model, generate mission scheduling results, and distribute them to various ground TT&C stations; that is, to execute mission scheduling for TT&C requirements sent by user request centers based on available TT&C resources. Several ground tracking and control stations are used to perform local phased array resource scheduling based on mission scheduling results and to feed the scheduling results back to the aerospace tracking and control mission scheduling center. Among them, the task scheduling result ensures that the number of telemetry and control tasks received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station (i.e. the number of independent beams that the phased array can generate), and is not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating the array surface conflict resolution technology. Specifically, the aerospace telemetry and control user demand center communicates with the aerospace telemetry and control mission scheduling center, as well as with the aerospace telemetry and control mission scheduling center and various ground telemetry and control stations, through high-speed data transmission links.

[0026] In this embodiment, specifically, the phased array beam resource conflict detection model includes: The trajectory distance threshold detection model and / or conflict resolution capability prediction model; that is, the above-mentioned phased array beam resource conflict detection model includes two types: one is the trajectory distance threshold detection model, which is decoupled from the specific multi-beam capability implementation of the phased array; the other is the conflict resolution capability prediction model.

[0027] in: The trajectory distance threshold detection model is used to calculate the spatiotemporal overlap factor between any two trajectories based on the motion trajectories of different spacecraft within the same visible arc segment. When the spatiotemporal overlap factor is less than a preset threshold, it is determined that the active surface conflict cannot be resolved. When it is greater than or equal to the preset threshold, it is determined that the active surface conflict can be resolved. The trajectory distance threshold detection model calculates the spatiotemporal overlap factor between any two spacecraft trajectories based on the motion trajectories of different spacecraft on the same visible arc segment. If it is less than the preset threshold If the phased array beam resource conflict detection model determines that the two spacecraft will experience an active array conflict, exceeding the maximum conflict resolution capability of the active array conflict resolution model, and if it is greater than or equal to a preset threshold... The phased array beam resource conflict model, on the other hand, suggests that the conflict between the active arrays of the two spacecraft can be resolved. By preset threshold Different telemetry and control task allocation schemes can be generated; generally, The smaller the value, the more tasks are allocated to ground stations, but the higher the probability of conflicts; conversely, The larger the value, the fewer tasks are allocated to the ground station, and the lower the probability of conflict.

[0028] In this embodiment, the preset threshold is specifically determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station; The mechanism for determining the preset threshold can decouple the task scheduling of the scheduling center from the phased array conflict resolution capability, thereby reducing computational complexity and improving computational efficiency.

[0029] The conflict resolution capability prediction model is uploaded from the ground control station to the aerospace control mission scheduling center. It is used to predict the maximum number of beams that can be formed without conflict after the activation array conflict resolution technology is applied to the input control mission set. Ground-based tracking and control stations can also upload their own conflict resolution capability prediction model to the aerospace tracking and control mission scheduling center in advance. This prediction model can predict the active array conflict resolution capability for different tracking and control mission inputs. That is, for an input set of tracking and control missions, after the ground-based tracking and control station executes the active array conflict resolution technology, it can guarantee the maximum number of beamformations without active array conflicts. It is worth noting that this model only performs a predictive function and does not provide a specific scheduling scheme.

[0030] In this embodiment, specifically, after receiving the scheduling results from all ground tracking and control stations, the aerospace tracking and control mission scheduling center performs a secondary scheduling process if there are any scheduling failures. The secondary scheduling process includes: Directly abandon failed monitoring and control tasks; it should be noted that this strategy is only suitable for situations where the number of failed monitoring and control tasks is small and their priority is not high. Alternatively, adjust the preset threshold (e.g., increase it) and re-execute centralized scheduling; Alternatively, failed scheduling tasks can be assigned to reserved telemetry and control resources for beamforming; that is, failed scheduling tasks are placed in specific "reserved" telemetry and control resources and beamforming is performed using the reserved telemetry and control resources. This strategy is only suitable for handling urgent and high-priority telemetry and control tasks.

[0031] Based on the above scheduling architecture, this embodiment can achieve efficient and flexible scheduling of phased array beam resources at ground telemetry and control stations. By fully utilizing the array surface resources of the phased array, it overcomes the limitation that the number of phased array beams is restricted by the number of amplitude-phase weighted channels, significantly improving the multi-beam capability of the phased array at ground telemetry and control stations and enhancing the cost-effectiveness of the telemetry and control system.

[0032] Example 2 Example 2, based on the phased array beam resource scheduling architecture for aerospace telemetry and control ground stations proposed in Example 1, proposes a method for scheduling phased array beam resources for aerospace telemetry and control ground stations. Please refer to [link / reference]. Figure 1 and Figure 2 ,include: Step S1: The Space Telemetry and Control User Request Center collects the spacecraft's telemetry and control requirements and sends them to the Space Telemetry and Control Mission Scheduling Center in advance; Step S2: The aerospace telemetry and control mission scheduling center centrally schedules telemetry and control requirements based on the phased array beam resource conflict detection model and generates mission scheduling results; wherein the number of telemetry and control missions received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station (i.e., the number of independent beams that the phased array can generate), and is not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating the array conflict resolution technology; Step S3: The space tracking and control mission scheduling center distributes the mission scheduling results to various ground tracking and control stations; Step S4: The ground control station performs local phased array resource scheduling based on the mission scheduling results, and keeps the active array surface conflict resolution technology enabled during the scheduling process; that is, when the ground control station receives the telemetry and control mission issued by the mission scheduling center, it begins to perform local phased array resource scheduling to support the beamforming required by different telemetry and control missions. During this process, the active array surface conflict resolution technology is enabled by default. That is, it makes every effort to ensure the beamforming required by the telemetry and control mission. Step S5: The ground control station sends feedback information on whether the scheduling was successful or failed to the aerospace tracking and control mission scheduling center; the scheduling failure information must clearly state the scheduling failure mission ID and other information. Step S6: After receiving all feedback information, if all scheduling is successful, the aerospace telemetry and control mission scheduling center will update and generate a telemetry and control mission scheduling plan; if there are any scheduling failures, a secondary scheduling process will be performed.

[0033] In this embodiment, specifically, the phased array beam resource conflict detection model is a trajectory distance threshold detection model. The trajectory distance threshold detection model determines whether the active array conflict can be resolved by comparing the spatiotemporal overlap factor between any two spacecraft trajectories with a preset threshold. The trajectory distance threshold detection model calculates the spatiotemporal overlap factor between any two spacecraft trajectories based on the motion trajectories of different spacecraft on the same visible arc segment. If it is less than the preset threshold If the phased array beam resource conflict detection model determines that the two spacecraft will experience an active array conflict, exceeding the maximum conflict resolution capability of the active array conflict resolution model, and if it is greater than or equal to a preset threshold... The phased array beam resource conflict model, on the other hand, suggests that the conflict between the active arrays of the two spacecraft can be resolved. By preset threshold Different telemetry and control task allocation schemes can be generated; generally, The smaller the value, the more tasks are allocated to ground stations, but the higher the probability of conflicts; conversely, The larger the value, the fewer tasks are allocated to the ground station, and the lower the probability of conflict.

[0034] In this embodiment, the preset threshold is specifically determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station; The mechanism for determining the preset threshold can decouple the task scheduling of the scheduling center from the phased array conflict resolution capability, thereby reducing computational complexity and improving computational efficiency.

[0035] In this embodiment, specifically, the secondary scheduling process includes: Directly abandon failed monitoring and control tasks; it should be noted that this strategy is only suitable for situations where the number of failed monitoring and control tasks is small and their priority is not high. Alternatively, adjust the preset threshold (e.g., increase it) and repeat steps S2 to S5; Alternatively, failed scheduling tasks can be assigned to reserved telemetry and control resources for beamforming; that is, failed scheduling tasks are placed in specific "reserved" telemetry and control resources and beamforming is performed using the reserved telemetry and control resources. This strategy is only suitable for handling urgent and high-priority telemetry and control tasks.

[0036] Based on the above scheduling process, this embodiment can achieve efficient and flexible scheduling of phased array beam resources at ground telemetry and control stations. By fully utilizing the array surface resources of the phased array, it overcomes the limitation that the number of phased array beams is limited by the number of amplitude-phase weighted channels, significantly improving the multi-beam capability of the phased array at ground telemetry and control stations and enhancing the cost-effectiveness of the telemetry and control system.

[0037] Example 3 Example 3 is a further improvement on Example 2; please refer to [link / reference]. Figure 1 and Figure 3 A method for scheduling phased array beam resources in aerospace telemetry and control ground stations, comprising: Step S1: The Space Telemetry and Control User Request Center collects the spacecraft's telemetry and control requirements and sends them to the Space Telemetry and Control Mission Scheduling Center in advance; Step S2: The aerospace telemetry and control mission scheduling center centrally schedules telemetry and control requirements based on the phased array beam resource conflict detection model and generates mission scheduling results; wherein the number of telemetry and control missions received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station (i.e., the number of independent beams that the phased array can generate), and is not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating the array conflict resolution technology; Step S3: The space tracking and control mission scheduling center distributes the mission scheduling results to various ground tracking and control stations; Step S4: The ground control station performs local phased array resource scheduling based on the mission scheduling results, and keeps the active array surface conflict resolution technology enabled during the scheduling process; that is, when the ground control station receives the telemetry and control mission issued by the mission scheduling center, it begins to perform local phased array resource scheduling to support the beamforming required by different telemetry and control missions. During this process, the active array surface conflict resolution technology is enabled by default. That is, it makes every effort to ensure the beamforming required by the telemetry and control mission. Step S5: The ground control station sends feedback information on whether the scheduling was successful or failed to the aerospace tracking and control mission scheduling center; the scheduling failure information must clearly state the scheduling failure mission ID and other information. Step S6: After receiving all feedback information, if all scheduling is successful, the aerospace telemetry and control mission scheduling center will update and generate a telemetry and control mission scheduling plan; if there are any scheduling failures, a secondary scheduling process will be performed.

[0038] In this embodiment, specifically, the phased array beam resource conflict detection model is a conflict resolution capability prediction model. The conflict resolution capability prediction model is uploaded in advance by the ground control station to the aerospace control mission scheduling center to predict the maximum number of beams that can be formed without conflict after the activation array conflict resolution technology is executed on the input control mission set. Ground-based tracking and control stations can also upload their own conflict resolution capability prediction model to the aerospace tracking and control mission scheduling center in advance. This prediction model can predict the active array conflict resolution capability for different tracking and control mission inputs. That is, for an input set of tracking and control missions, after the ground-based tracking and control station executes the active array conflict resolution technology, it can guarantee the maximum number of beamformations without active array conflicts. It is worth noting that this model only performs a predictive function and does not provide a specific scheduling scheme.

[0039] In this embodiment, specifically, the secondary scheduling process includes: Directly abandon failed monitoring and control tasks; it should be noted that this strategy is only suitable for situations where the number of failed monitoring and control tasks is small and their priority is not high. Alternatively, adjust the preset threshold (e.g., increase it) and repeat steps S2 to S5; Alternatively, failed scheduling tasks can be assigned to reserved telemetry and control resources for beamforming; that is, failed scheduling tasks are placed in specific "reserved" telemetry and control resources and beamforming is performed using the reserved telemetry and control resources. This strategy is only suitable for handling urgent and high-priority telemetry and control tasks.

[0040] Based on the above scheduling process, this embodiment can achieve efficient and flexible scheduling of phased array beam resources at ground telemetry and control stations. By fully utilizing the array surface resources of the phased array, it overcomes the limitation that the number of phased array beams is limited by the number of amplitude-phase weighted channels, significantly improving the multi-beam capability of the phased array at ground telemetry and control stations and enhancing the cost-effectiveness of the telemetry and control system.

[0041] Example 4 Please see Figure 1 and Figure 2 In this embodiment, only one ground control station A is considered. The business processes between other ground control stations and the space mission scheduling center are the same as those between control station A and control station A. High-speed data transmission links, such as optical fibers, exist between the space telemetry and control user demand center and the space telemetry and control mission scheduling center, and between the space telemetry and control mission scheduling center and various ground control stations. The specific business processes are as follows: Step 1: The Space Telemetry and Control User Request Center collects the spacecraft's telemetry and control mission requirements in advance and sends them to the Space Telemetry and Control Mission Scheduling Center.

[0042] Step 2: The space tracking and control mission scheduling center performs model-based coarse-grained mission scheduling on the received tracking and control mission requests. The scheduling result ensures that for each ground tracking and control station, the number of tracking and control missions received is not less than the number of its amplitude-phase weighted channels (i.e., the number of independent beams that can be formed), and does not exceed the maximum number of beamforming beams that the phased array active surface collision resolution technology can support. This scheduling characteristic is achieved by controlling the nearest distance threshold parameter between the trajectories of various spacecraft within the same visible arc segment. accomplish.

[0043] Step 3: The space tracking and control mission scheduling center distributes the mission scheduling results to each ground tracking and control station.

[0044] Step 4: The ground control station performs phased array resource scheduling for the received set of control tasks. The phased array activation conflict resolution technology is enabled by default.

[0045] Step 5: The ground control station feeds back the array beam resource scheduling results to the aerospace tracking and control mission scheduling center.

[0046] Step 6: If all ground tracking and control stations report successful array resource scheduling, the aerospace tracking and control mission scheduling center updates and generates a mission scheduling plan. Otherwise, secondary scheduling is performed according to specific rules. These rules include: directly abandoning tracking and control missions that failed to schedule; adjusting preset thresholds. (For example, increase), perform model-based task scheduling, that is, steps 2, 3, 4, and 5 need to be repeated; put the failed scheduling tasks into specific "reserved" telemetry and control resources, and use the reserved telemetry and control resources for beamforming. This strategy is only suitable for handling urgent and high-priority telemetry and control tasks.

[0047] Example 5 Please see Figure 1 and Figure 3 In this embodiment, only one ground control station A is considered because the business processes of other ground control stations and the space mission scheduling center are the same as those of control station A. High-speed data transmission links, such as optical fibers, exist between the space telemetry and control user demand center and the space telemetry and control mission scheduling center, as well as between the space telemetry and control mission scheduling center and various ground control stations.

[0048] Specifically, unlike Example 4, in this example, each ground tracking and control station uploads a phased array active surface conflict resolution capability prediction model related to itself to the aerospace tracking and control mission scheduling center in advance. This prediction model can predict the active surface conflict resolution capability for different tracking and control mission input sets; that is, for an input set of tracking and control missions, after the ground tracking and control station's phased array executes active surface conflict resolution technology, it can guarantee a maximum number of beamformations without active surface conflicts. It is worth noting that this model only performs a predictive function and does not provide a specific scheduling scheme. The specific business process is as follows: Step 1: The Space Telemetry and Control User Request Center collects the mission requirements of the spacecraft in advance and sends them to the Space Telemetry and Control Mission Scheduling Center.

[0049] Step 2: The aerospace telemetry and control mission scheduling center performs model-based mission scheduling on the received telemetry and control mission requests. Similar to Example 4, the scheduling result ensures that for each ground telemetry and control station, the number of telemetry and control missions received is not less than the number of its amplitude-phase weighted channels, i.e., the number of independent beams that can be formed, and that the phased array activation surface conflict resolution technology can ensure the smooth formation of response beams for each telemetry and control mission. The difference is that, due to the existence of the phased array conflict resolution capability prediction model for each ground telemetry and control station, the aerospace telemetry and control mission scheduling center can perform global mission scheduling planning, and the accuracy of mission scheduling is significantly improved compared to Example 1. When the phased array activation surface conflict resolution capability prediction model is completely accurate, subsequent steps 5 and 6 can be omitted (because the telemetry and control missions allocated to each ground telemetry and control station can definitely achieve complete conflict resolution through activation surface conflict resolution technology), which can significantly reduce the time overhead of the scheduling process.

[0050] Step 3: The space tracking and control mission scheduling center distributes the mission scheduling results to each ground tracking and control station.

[0051] Step 4: The ground telemetry and control station performs phased array beam resource scheduling for the received telemetry and control task set, and the phased array activation surface conflict resolution technology is enabled by default.

[0052] Step 5: The ground control station feeds back the array beam resource scheduling results to the aerospace tracking and control mission scheduling center.

[0053] Step 6: If all ground tracking and control stations report successful array beam resource scheduling, the aerospace tracking and control mission scheduling center updates and generates a mission scheduling plan. Otherwise, secondary scheduling is performed according to specific rules. Secondary scheduling rules include: directly abandoning failed tracking and control missions; repeating model-based mission scheduling (steps 2, 3, 4, and 5); placing failed missions into specific "reserved" tracking and control resources and utilizing these resources for beamforming, etc.

[0054] Example 6 Based on the same technical concept, embodiments of the present invention also provide an electronic device that can implement the phased array beam resource scheduling method for aerospace telemetry and control ground stations provided in the above embodiments of the present invention. In one embodiment, the electronic device can be a server, a terminal device, or other electronic equipment. Figure 4 As shown, the electronic device may include: At least one processor and a memory connected to the at least one processor. In this embodiment of the invention, the specific connection medium between the processor and the memory is not limited. Figure 4 The example used is the connection between the processor and memory via a bus. The bus... Figure 4 The connections between other components are indicated by thick lines and are for illustrative purposes only, not as limiting information. Buses can be divided into address buses, data buses, control buses, etc., but for ease of representation, [the specific bus type is not shown here]. Figure 4 The processor is represented by a single thick line, but this does not imply that there is only one bus or one type of bus. Alternatively, a processor can also be called a controller; there are no restrictions on the name.

[0055] In this embodiment of the invention, the memory stores instructions executable by at least one processor. By executing the instructions stored in the memory, the at least one processor can execute the phased array beam resource scheduling method for aerospace telemetry and control ground stations described above. The processor can implement... Figure 4 The functions of each module in the device shown.

[0056] The processor is the control center of the device. It can connect to various parts of the control device through various interfaces and lines. By running or executing instructions stored in memory and calling data stored in memory, it can monitor the device's various functions and process data, thereby enabling overall monitoring of the device.

[0057] In an alternative design, the processor may include one or more processing units. The processor may integrate an application processor and a modem processor, wherein the application processor primarily handles the operating system, user interface, and applications, while the modem processor primarily handles wireless communication. It is understood that the modem processor may also not be integrated into the processor. In some embodiments, the processor and memory may be implemented on the same chip; in some embodiments, they may also be implemented separately on separate chips.

[0058] The processor can be a general-purpose processor, such as a CPU, digital signal processor, application-specific integrated circuit, field-programmable gate array or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component, capable of implementing or executing the methods, steps, and logic block diagrams disclosed in the embodiments of this invention. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the phased array beam resource scheduling method for aerospace telemetry and control ground stations disclosed in the embodiments of this invention can be directly manifested as execution by a hardware processor, or execution by a combination of hardware and software modules within the processor.

[0059] Memory, as a non-volatile computer-readable storage medium, can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules. Memory can include at least one type of storage medium, such as flash memory, hard disk, multimedia card, card-type memory, random access memory (RAM), static random access memory (SRAM), programmable read-only memory (PROM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), magnetic memory, magnetic disk, optical disk, etc. Memory is any other medium capable of carrying or storing desired program code in the form of instructions or data structures, and accessible by a computer, but is not limited thereto. In embodiments of the present invention, memory can also be a circuit or any other device capable of implementing storage functions, used to store program instructions and / or data.

[0060] By designing and programming the processor, the code corresponding to the phased array beam resource scheduling method for aerospace telemetry and control ground stations described in the foregoing embodiments can be embedded into the chip, enabling the chip to execute the steps of the method described in the foregoing embodiments during runtime. How to design and program the processor is a technique well-known to those skilled in the art and will not be elaborated upon here.

[0061] Based on the same inventive concept, embodiments of the present invention also provide a storage medium storing computer instructions, which, when executed on a computer, cause the computer to perform a phased array beam resource scheduling method for aerospace telemetry and control ground stations as described above.

[0062] In some alternative embodiments, the present invention also provides a method for scheduling phased array beam resources of a space telemetry and control ground station, which can also be implemented in the form of a program product, including program code. When the program product is run on a device, the program code is used to cause the control device to perform the steps in the method for scheduling phased array beam resources of a space telemetry and control ground station according to various exemplary embodiments of the present invention as described above.

[0063] It should be noted that although several units or sub-units of the apparatus have been mentioned in the detailed description above, this division is merely exemplary and not mandatory. In fact, according to embodiments of the invention, the features and functions of two or more units described above can be embodied in one unit. Conversely, the features and functions of one unit described above can be further divided and embodied by multiple units. Furthermore, although the operation of the method of the invention is described in a specific order in the drawings, this does not require or imply that these operations must be performed in that specific order, or that all the operations shown must be performed to achieve the desired result. Additionally or alternatively, certain steps may be omitted, multiple steps may be combined into one step, and / or one step may be broken down into multiple steps.

[0064] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0065] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a server, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0066] Program code for performing the operations of this invention can be written using any combination of one or more programming languages, including object-oriented programming languages ​​such as Java and C++, as well as conventional procedural programming languages ​​such as C or similar languages. The program code can be executed entirely on the user's computing device, partially on the user's device, as a standalone software package, partially on the user's computing device and partially on a remote computing device, or entirely on a remote computing device or server.

[0067] In cases involving remote computing devices, the remote computing device can be connected to the user's computing device via any type of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computing device (e.g., via the Internet using an Internet service provider).

[0068] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0069] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0070] The embodiments described above merely illustrate specific implementation methods of this application, and while the descriptions are detailed and specific, they should not be construed as limiting the scope of protection of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the technical solution of this application, and these modifications and improvements all fall within the scope of protection of this application.

[0071] This background section is provided to generally present the context of the invention. The work of the currently named inventors, the work to the extent described in this background section, and aspects of this section that did not constitute prior art at the time of application are neither expressly nor impliedly acknowledged as prior art to the invention.

Claims

1. A phased array beam resource scheduling architecture for aerospace telemetry and control ground stations, characterized in that, include: The Spacecraft Measurement and Control User Request Center is used to collect the measurement and control requests of spacecraft and send them to the Spacecraft Measurement and Control Mission Scheduling Center. The aerospace telemetry and control mission scheduling center is used to centrally schedule telemetry and control requirements based on the phased array beam resource conflict detection model, generate mission scheduling results, and distribute them to various ground telemetry and control stations. Several ground tracking and control stations are used to perform local phased array resource scheduling based on mission scheduling results and to feed the scheduling results back to the aerospace tracking and control mission scheduling center. The task scheduling results ensure that the number of telemetry and control tasks received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station, and not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating array conflict resolution technology.

2. The phased array beam resource scheduling architecture for aerospace telemetry and control ground stations according to claim 1, characterized in that, The phased array beam resource conflict detection model includes: Trajectory distance threshold detection model and / or conflict resolution capability prediction model; in: The trajectory distance threshold detection model is used to calculate the spatiotemporal overlap factor between any two trajectories based on the motion trajectories of different spacecraft within the same visible arc segment. When the spatiotemporal overlap factor is less than a preset threshold, it is determined that the active surface conflict cannot be resolved. When it is greater than or equal to the preset threshold, it is determined that the active surface conflict can be resolved. The conflict resolution capability prediction model is uploaded from the ground control station to the aerospace control mission scheduling center. It is used to predict the maximum number of beams that can be formed without conflict after the active array conflict resolution technology is applied to the input control mission set.

3. The phased array beam resource scheduling architecture for aerospace telemetry and control ground stations according to claim 2, characterized in that, The preset threshold is determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station.

4. A phased array beam resource scheduling architecture for aerospace telemetry and control ground stations according to any one of claims 1-3, characterized in that, After receiving the scheduling results from all ground tracking and control stations, the aerospace tracking and control mission scheduling center will perform a secondary scheduling process if there are any scheduling failures. The secondary scheduling process includes: Abandon the failed telemetry and control mission directly; Alternatively, adjust the preset threshold and re-execute centralized scheduling; Alternatively, failed scheduling tasks may be reassigned to reserved telemetry and control resources for beamforming.

5. The phased array beam resource scheduling architecture for aerospace telemetry and control ground stations according to claim 1, characterized in that, The aerospace telemetry and control user demand center communicates with the aerospace telemetry and control mission scheduling center, as well as with the aerospace telemetry and control mission scheduling center and various ground telemetry and control stations, through high-speed data transmission links.

6. A method for scheduling phased array beam resources in a space telemetry and control ground station, characterized in that, A phased array beam resource scheduling architecture for aerospace telemetry and control ground stations according to any one of claims 1-5 includes: Step S1: The Space Telemetry and Control User Request Center collects the spacecraft's telemetry and control requirements and sends them to the Space Telemetry and Control Mission Scheduling Center in advance; Step S2: The aerospace telemetry and control mission scheduling center centrally schedules telemetry and control requirements based on the phased array beam resource conflict detection model and generates mission scheduling results; wherein the number of telemetry and control missions received by any ground telemetry and control station is not less than the number of amplitude and phase weighted channels of the phased array of the ground telemetry and control station, and is not greater than the maximum number of beamforming that the ground telemetry and control station can support by activating the array conflict resolution technology. Step S3: The space tracking and control mission scheduling center distributes the mission scheduling results to various ground tracking and control stations; Step S4: The ground telemetry and control station performs local phased array resource scheduling based on the mission scheduling results, and keeps the active array conflict resolution technology in the enabled state during the scheduling process; Step S5: The ground control station sends feedback information on whether the scheduling was successful or failed to the aerospace tracking and control mission scheduling center; Step S6: After receiving all feedback information, if all scheduling is successful, the aerospace telemetry and control mission scheduling center will update and generate a telemetry and control mission scheduling plan; if there are any scheduling failures, a secondary scheduling process will be performed.

7. A method for scheduling phased array beam resources at a space telemetry and control ground station according to claim 6, characterized in that, The phased array beam resource conflict detection model is a trajectory distance threshold detection model. The trajectory distance threshold detection model determines whether the active array conflict can be resolved by comparing the spatiotemporal overlap factor between any two spacecraft trajectories with a preset threshold.

8. A method for scheduling phased array beam resources of a space telemetry and control ground station according to claim 7, characterized in that, The preset threshold is determined by one of the following methods: (1) Use a fixed preset threshold; (2) Obtain the initial value of the preset threshold based on pre-training or historical data, and make fine adjustments based on the phased array surface resource scheduling results fed back by the ground telemetry and control station.

9. A method for scheduling phased array beam resources at a space telemetry and control ground station according to claim 6, characterized in that, The phased array beam resource conflict detection model is a conflict resolution capability prediction model. The conflict resolution capability prediction model is uploaded in advance by the ground control station to the aerospace control mission scheduling center. It is used to predict the maximum number of beams that can be formed without conflict after the activation array conflict resolution technology is applied to the input control mission set.

10. A method for scheduling phased array beam resources of a space telemetry and control ground station according to any one of claims 6-9, characterized in that, The secondary scheduling process includes: Abandon the failed telemetry and control mission directly; Alternatively, adjust the preset threshold and repeat steps S2 to S5; Alternatively, failed scheduling tasks may be reassigned to reserved telemetry and control resources for beamforming.

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