CN114337777A - Thermodynamic diagram-based satellite energy-saving method, system, device and medium - Google Patents
Thermodynamic diagram-based satellite energy-saving method, system, device and medium Download PDFInfo
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Abstract
The invention discloses a satellite energy-saving method, a system, a device and a medium based on thermodynamic diagrams, which comprise the following steps: acquiring satellite operation data and population thermodynamic diagrams; the satellite operation data comprises satellite position information; obtaining a first heat value of a satellite according to the satellite position information and the population thermodynamic diagram; when the first heating power value is lower than a first heating power threshold value, a sleep instruction is sent to the satellite, and the satellite is controlled to enter a sleep state; when the first heat value is higher than the second heat value, an activation instruction is sent to the satellite to control the satellite to enter an activation state, implementation management on dynamic change of the population density cluster is achieved through thermodynamic diagrams, energy-saving control can be better performed on the satellite, loss of energy of the satellite is reduced, unnecessary data transmission of the satellite is reduced after data of the thermodynamic diagrams and satellite position information are mapped, and maximization of communication service is achieved in emergency. The invention is widely applied to the technical field of satellite communication.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a satellite energy-saving method, a satellite energy-saving system, a satellite energy-saving device and a satellite energy-saving medium based on thermodynamic diagrams.
Background
Satellite communication technology easily covers air, ocean, forest, desert area and other areas with extensive sparseness, which is difficult to be realized by ground mobile communication technology with low cost. Satellite communication is not easily affected by natural disasters and is an important means of emergency communication, the only way for acquiring energy by a satellite at present is solar energy, and energy conservation of the satellite is always a worldwide challenge problem for better emergency or disaster relief.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a satellite energy saving method, system, device and medium based on thermodynamic diagram.
In one aspect, an embodiment of the present invention includes a satellite energy saving method based on thermodynamic diagrams, including:
acquiring satellite operation data and population thermodynamic diagrams; the satellite operation data comprises satellite position information;
obtaining a first heat value of a satellite according to the satellite position information and the population thermodynamic diagram;
when the first heating power value is lower than a first heating power threshold value, a sleep instruction is sent to the satellite, and the satellite is controlled to enter a sleep state;
and when the first heat value is higher than the second heat threshold value, sending an activation instruction to the satellite to control the satellite to enter an activation state.
Further, the satellite energy saving method based on thermodynamic diagram further includes:
when the number of the satellites is smaller than or equal to a first number threshold value, sending an instruction to the satellites in a broadcasting mode;
when the number of the satellites is larger than a first number threshold value, the satellites are divided into at least two satellite groups, and an instruction is sent to the satellites in a multicast mode for each satellite group.
Further, the satellite operation data includes satellite power information, and further includes:
grouping a plurality of satellites according to the satellite communication radius range to obtain a plurality of satellite groups;
obtaining the position information of the satellite group according to the satellite position information;
obtaining a second heat value of the satellite group according to the position information of the satellite group and the population thermodynamic diagram;
and when the second heating power value is lower than a third heating power threshold value, sending a sleep instruction to the satellites in the satellite group in a multicast mode, and activating the satellites of which the satellite electric quantity is larger than the first electric quantity threshold value in the satellite group.
Further, the satellite operation data includes a satellite load balancing weight, and further includes:
and when the first heat value is higher than a second heat threshold, controlling the satellite with the satellite load balancing weight less than or equal to a first weight threshold to keep in an activated state.
Further, the satellite energy saving method based on thermodynamic diagram further includes:
determining an average load balancing value of each satellite group according to the satellite load balancing weight;
determining a first group of satellites and a second group of satellites in the plurality of groups of satellites; the first satellite group is a satellite group with an average load balance value larger than a second weight threshold, and the second satellite group is a satellite group with an average load balance value smaller than or equal to the second weight threshold;
sending a sleep instruction to the satellites in the first satellite group;
and sending an activation instruction to the satellites in the second satellite group.
Further, the step of obtaining a first heating power value of a satellite according to the satellite position information and the population thermodynamic diagram comprises:
matching the satellite position information with the population thermodynamic diagram to obtain an area range of the satellite corresponding to the thermodynamic diagram;
and collecting the heat power values in the regional range of the thermodynamic diagram to obtain a first heat power value of the satellite.
In another aspect, an embodiment of the present invention further includes a satellite network system, including:
the satellite energy-saving control system comprises a core network, an energy-saving control center and a satellite energy-saving control center, wherein the core network is internally provided with the energy-saving control center which is used for executing the satellite energy-saving method based on thermodynamic diagrams;
a satellite cluster comprising a plurality of satellites;
the satellite base station is used for connecting the satellite cluster and the core network.
In another aspect, an embodiment of the present invention further includes a computer apparatus, including a memory and a processor, where the memory is used to store at least one program, and the processor is used to load the at least one program to perform the thermodynamic diagram based satellite energy saving method according to the present invention.
In another aspect, an embodiment of the present invention further includes a storage medium having a program executable by a processor stored therein, wherein the program executable by the processor is configured to perform the thermodynamic diagram based satellite energy saving method according to the present invention when executed by the processor.
The invention has the beneficial effects that: the satellite energy-saving method based on the thermodynamic diagram is based on the thermodynamic diagram, matching is carried out according to the satellite position information, effective sleeping and awakening are carried out on the satellite in different orders of magnitude, effective communication is provided for terminal users, the corresponding satellite is awakened to provide communication service when the population density is high, sleeping is carried out in unmanned areas such as mountains, rivers or glacier ocean currents, the energy of the satellite can be greatly saved, and therefore people in need can be better served.
Drawings
FIG. 1 is a flow chart of a method for saving energy of a satellite based on thermodynamic diagram in an embodiment;
FIG. 2 is a flow chart of a method for saving energy in a satellite according to another embodiment;
FIG. 3 is a flow chart of a method for saving energy in a satellite according to another embodiment;
fig. 4 is an overall block diagram of a satellite network system in the embodiment.
Detailed Description
The satellite energy saving method based on thermodynamic diagrams in the embodiment includes the following steps with reference to fig. 1:
s1, acquiring satellite operation data and population thermodynamic diagrams;
s2, obtaining a first heat value of the satellite according to the satellite position information and the population thermodynamic diagram;
s3, when the first heating power value is lower than a first heating power threshold value, sending a sleep instruction to the satellite to control the satellite to enter a sleep state;
and S4, when the first heat value is higher than the second heat threshold, sending an activation instruction to the satellite to control the satellite to enter an activation state.
In step S1, the satellite operation data includes satellite position information. And the satellite reports the load and the state of the satellite, the service condition of the solar cell panel, thermodynamic diagram data, longitude and latitude and other data at regular time. The thermodynamic diagrams are updated at regular time according to actual conditions, for example, population flow occurs during spring migration, data of the thermodynamic diagrams are updated in a large scale at the moment, and the updated data are sent to a satellite in time, so that the maximization of communication services is realized, and reasonable allocation of resources is realized. In another situation, an emergency mechanism is started when extreme weather occurs, such as natural disasters like typhoons and earthquakes, and the ground base station may be damaged or cannot provide services, so that thermodynamic diagram data needs to be reported through a satellite and the satellite needs to be controlled and adjusted in time, thereby ensuring the normal operation of the ground communication service. Thermodynamic diagrams refer to population thermodynamic diagrams because satellites are oriented to provide communication services to a population of people.
When step S2 is executed, the longitude and latitude information of the satellites is matched with the population information on the thermodynamic diagram according to the satellite position information, where the position information generally refers to the longitude and latitude information of the satellites, the position of each satellite corresponds to a corresponding service area, the thermodynamic information and the population number in the area are related, generally, the greater the population number is, the higher the thermodynamic value in the area is, the first thermodynamic value of the satellite can be obtained by aggregating the thermodynamic values in the area, where the first thermodynamic value is not only one value, and each satellite has a corresponding thermodynamic value to be matched in the area corresponding to the thermodynamic diagram according to the position where the satellite is located. The thermodynamic diagram generally refers to a thermodynamic diagram of the entire area of the satellite cluster, such as distribution data of the thermodynamic diagram of the earth, and may also be a thermodynamic diagram corresponding to an operation area.
When step S3 is executed, generally, when the first thermal value is lower than the first thermal threshold, for example, when the satellite action area is a place unsuitable for human living, such as a glacier, an unmanned area, or ocean current, the user terminal access amount is small, the satellite does not provide corresponding services, and at this time, a sleep command may be sent to the satellite to control the satellite to perform a sleep state. And in the dormant state, the satellite only reports longitude and latitude data and energy data and receives activation instruction information.
When step S4 is executed, generally, when the first thermal value is higher than the second thermal threshold, for example, when the satellite action area is a place where population gathers, such as a city, and the like, at this time, the user terminal has a large access amount, and the satellite needs to provide a corresponding service for the user terminal, at this time, an activation instruction is sent to the satellite, the satellite is controlled to enter an activation state, and a corresponding service is provided for the corresponding user terminal.
It should be further noted that, when the number of satellites is less than or equal to the first number threshold, the instruction is sent to the satellites in a broadcast manner, and when the number of satellites is greater than the first number threshold, the satellites are divided into at least two satellite groups, and the instruction is sent to the satellites in a multicast manner for each satellite group. If the number of the satellites is less than 100, the satellites can be activated at one time in a broadcasting mode, if the number of the satellites is more than 100, a communication radius range needs to be defined, communication is carried out in the communication range, a multicast mode is used, the satellites are awakened quickly, or the satellites are enabled to enter a dormant state quickly.
As shown in fig. 2, the position information of the satellite group after the grouping can be obtained from the position information of the satellites. The satellite group generally has the advantages that the satellites are close to each other, the region range which is responsible for the whole satellite group is obtained by the region which is responsible for each satellite in the satellite group, the position information of the satellite group is matched with the population thermodynamic diagram to obtain the second heat value of the whole satellite group, and when the second heat value is lower than the third heat threshold, the sleep instruction is sent to all the satellites in the satellite group in a multicast mode, the satellites with the satellite electric quantity larger than the first electric quantity threshold in the satellite group are activated, and the loss of connection of the satellites with low energy is prevented.
In a satellite network, a satellite distributes tasks to a plurality of satellites (operation units) through load balancing to execute the tasks, so that the work tasks are completed together. And when the first heat value of the satellite is higher than the second heat threshold, controlling the satellite with the satellite load balancing weight less than or equal to the first weight threshold to keep an activated state, wherein a single satellite is controlled. As through calculation of weight factors for load balancing, services continue to be provided in densely populated areas of thermodynamic diagram data display for satellites that do not exceed 80% of the highest weight factors, thereby avoiding additional increases in energy consumption resulting from out-of-order wake-up of other satellites.
As shown in fig. 3, an average load balancing value of each satellite group may be determined according to the load balancing weight of a single satellite; determining a first group of satellites and a second group of satellites in a plurality of groups of satellites; the first satellite group is a satellite group with an average load balance value larger than a second weight threshold value, and the second satellite group is a satellite group with an average load balance value smaller than or equal to the second weight threshold value; sending a sleep instruction to satellites in the first satellite group; and sending an activation instruction to the satellites in the second satellite group. For example, the satellite groups are simultaneously divided into several groups to deal with the communication service in the population dense area in the thermodynamic diagram, the switching among the groups can be carried out in a multicast mode without waking up all satellites in the same area at one time, and when the average weight of the satellite groups reaches 80%, other groups need to be activated to share the communication tasks, thereby realizing the optimal energy-saving effect. The cluster control is carried out on a plurality of low orbit satellites through load balancing, and the low orbit satellites are divided according to the clusters, so that the advantages of the clusters are fully utilized, the communication requirement is met to the maximum degree, and meanwhile, the energy-saving operation is realized to the maximum degree. The method comprises the steps of sending activating and sleeping instructions to wake up sleeping satellites or enable the satellites to enter a sleeping state, wherein most satellites only need to keep few necessary data transmission, so that energy consumption caused by frequent data receiving and sending is avoided, the updating period of thermodynamic diagram data is relatively long, unnecessary data transmission of the satellites is reduced after the thermodynamic diagram data and longitude and latitude are mapped, energy conservation maximization in unmanned areas is achieved, and communication service maximization is achieved in emergency.
It should be noted that, according to the longitude and latitude data reported by the satellite, the energy saving mode needs to be exited if the satellite is a densely populated area. According to whether the satellite cluster reaches the safety threshold of the load balancing weight, if the safety threshold exceeds 80%, all the satellites of the cluster need to be forced to enter a dormant state, the situation that energy is exhausted due to the fact that the satellites do not enter the dormant state in time and service capacity is completely lost is prevented, in this situation, batch switching operation needs to be carried out, the satellites of the cluster group with sufficient energy enter an activated state from the dormant state, and therefore energy-saving optimal configuration is achieved.
The present invention also includes a satellite network system, as shown in fig. 2, including:
the system comprises a core network, an energy-saving control center and a satellite energy-saving control center, wherein the core network is internally provided with the energy-saving control center, and the energy-saving control center is used for executing the satellite energy-saving method based on thermodynamic diagrams in the embodiment; when an energy-saving control center module of a core network enters an energy-saving state according to longitude and latitude and electric quantity information reported by a satellite and according to matching of a thermodynamic diagram or a weight value of load balance, issuing an activation or sleep instruction message to the satellite, and remotely controlling the satellite to enter a sleep mode or an activation state according to the current self running track or the self electric quantity condition;
a satellite cluster comprising a plurality of satellites;
the satellite base station is used for connecting the satellite cluster and the core network.
The satellite network system can execute any combination of the implementation steps of the method embodiment, and has corresponding functions and beneficial effects of the method.
The invention also comprises an automatic computer code generation device, which comprises a memory and a processor, wherein the memory is used for storing at least one program, and the processor is used for loading the at least one program to execute the thermodynamic diagram-based satellite energy-saving method.
The computer code automatic generation device can execute any combination implementation steps of the method embodiment, and has corresponding functions and beneficial effects of the method.
The present invention also includes a storage medium having stored therein processor-executable instructions for performing the thermodynamic diagram based satellite power saving method of the present invention when executed by a processor.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the descriptions of upper, lower, left, right, etc. used in the present disclosure are only relative to the mutual positional relationship of the constituent parts of the present disclosure in the drawings. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, unless defined otherwise, all technical and scientific terms used in this example have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description of the embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this embodiment, the term "and/or" includes any combination of one or more of the associated listed items.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language ("e.g.," such as "or the like") provided with this embodiment is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer readable medium configured with the computer program, where the medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, operations of processes described in this embodiment can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described in this embodiment (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the methods may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging system, device, or the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory medium or device, whether removable or integrated onto a computing platform, such as a hard disk, optical read and/or write media, RAM, ROM, etc., so that it may be read by a programmable computer, which when read by the computer may be used to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described in this embodiment includes these and other different types of non-transitory computer-readable media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein.
A computer program can be applied to input data to perform the functions described in the present embodiment to convert the input data to generate output data that is stored to a non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (9)
1. A satellite energy saving method based on thermodynamic diagrams is characterized by comprising the following steps:
acquiring satellite operation data and population thermodynamic diagrams; the satellite operation data comprises satellite position information;
obtaining a first heat value of a satellite according to the satellite position information and the population thermodynamic diagram;
when the first heating power value is lower than a first heating power threshold value, a sleep instruction is sent to the satellite, and the satellite is controlled to enter a sleep state; and when the first heat value is higher than the second heat threshold value, sending an activation instruction to the satellite to control the satellite to enter an activation state.
2. The thermodynamic diagram-based satellite energy saving method according to claim 1, further comprising:
when the number of the satellites is smaller than or equal to a first number threshold value, sending an instruction to the satellites in a broadcasting mode;
when the number of the satellites is larger than a first number threshold value, the satellites are divided into at least two satellite groups, and an instruction is sent to the satellites in a multicast mode for each satellite group.
3. The thermodynamic diagram-based satellite energy saving method according to claim 2, wherein the satellite operation data includes satellite power information, further comprising:
grouping a plurality of satellites according to the satellite communication radius range to obtain a plurality of satellite groups;
obtaining the position information of the satellite group according to the satellite position information;
obtaining a second heat value of the satellite group according to the position information of the satellite group and the population thermodynamic diagram;
and when the second heating power value is lower than a third heating power threshold value, sending a sleep instruction to the satellites in the satellite group in a multicast mode, and activating the satellites of which the satellite electric quantity is larger than the first electric quantity threshold value in the satellite group.
4. The thermodynamic diagram-based satellite energy saving method according to any one of claims 1 to 3, wherein the satellite operation data includes satellite load balancing weights, further comprising:
and when the first heat value is higher than a second heat threshold, controlling the satellite with the satellite load balancing weight less than or equal to a first weight threshold to keep in an activated state.
5. The thermodynamic diagram-based satellite energy saving method according to claim 4, further comprising:
determining an average load balancing value of each satellite group according to the satellite load balancing weight;
determining a first group of satellites and a second group of satellites in the plurality of groups of satellites; the first satellite group is a satellite group with an average load balance value larger than a second weight threshold, and the second satellite group is a satellite group with an average load balance value smaller than or equal to the second weight threshold;
sending a sleep instruction to the satellites in the first satellite group;
and sending an activation instruction to the satellites in the second satellite group.
6. The thermodynamic diagram-based satellite energy saving method according to any one of claims 1-3, wherein the step of obtaining a first thermal value of a satellite according to the satellite position information and the population thermodynamic diagram comprises:
matching the satellite position information with the population thermodynamic diagram to obtain an area range of the satellite corresponding to the thermodynamic diagram; and collecting the heat power values in the regional range of the thermodynamic diagram to obtain a first heat power value of the satellite.
7. A satellite network system, comprising:
a core network, wherein an energy-saving control center is arranged in the core network, and the energy-saving control center is used for executing the thermodynamic diagram-based satellite energy-saving method of any one of claims 1-6;
a satellite cluster comprising a plurality of satellites;
the satellite base station is used for connecting the satellite cluster and the core network.
8. A computer apparatus comprising a memory for storing at least one program and a processor for loading the at least one program to perform the method of any one of claims 1-6.
9. A storage medium having stored therein a program executable by a processor, wherein the program executable by the processor is adapted to perform the method of any one of claims 1-6 when executed by the processor.
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